4 # Wrapper for AC_CONFIG_SUBDIR
6 AC_DEFUN([LC_CONFIG_SRCDIR], [
7 AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
14 # lustre specific paths
16 AC_DEFUN([LC_PATH_DEFAULTS], [
17 # ptlrpc kernel build requires this
25 demodir='$(docdir)/demo'
28 pkgexampledir='${pkgdatadir}/examples'
29 AC_SUBST(pkgexampledir)
35 # is the target os supported?
37 AC_DEFUN([LC_TARGET_SUPPORTED], [
46 ]) # LC_TARGET_SUPPORTED
49 # LC_GLIBC_SUPPORT_FHANDLES
51 AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [
52 AC_CHECK_FUNCS([name_to_handle_at],
53 [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1,
54 [file handle and related syscalls are supported])],
55 [AC_MSG_WARN([file handle and related syscalls are not supported])])
56 ]) # LC_GLIBC_SUPPORT_FHANDLES
59 # LC_GLIBC_SUPPORT_COPY_FILE_RANGE
61 AC_DEFUN([LC_GLIBC_SUPPORT_COPY_FILE_RANGE], [
62 AC_CHECK_FUNCS([copy_file_range],
63 [AC_DEFINE(HAVE_COPY_FILE_RANGE, 1,
64 [copy_file_range() is supported])],
65 [AC_MSG_WARN([copy_file_range() is not supported])])
66 ]) # LC_GLIBC_SUPPORT_COPY_FILE_RANGE
71 AC_DEFUN([LC_FID2PATH_ANON_UNION], [
74 AC_MSG_CHECKING([if 'struct getinfo_fid2path' has anonymous union])
75 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
76 #include <linux/lustre/lustre_idl.h>
79 struct getinfo_fid2path gf;
80 struct lu_fid root_fid;
82 *gf.gf_root_fid = root_fid;
86 AC_DEFINE(HAVE_FID2PATH_ANON_UNIONS, 1, [union is unnamed])
92 ]) # LC_FID2PATH_ANON_UNION
97 # Ensure the stack size is at least 8k in Lustre server (all kernels)
99 AC_DEFUN([LC_SRC_STACK_SIZE], [
100 LB2_LINUX_TEST_SRC([stack_size_8k], [
101 #include <linux/thread_info.h>
103 #if THREAD_SIZE < 8192
104 #error "stack size < 8192"
108 AC_DEFUN([LC_STACK_SIZE], [
109 LB2_MSG_LINUX_TEST_RESULT([if stack size is at least 8k],
110 [stack_size_8k], [],[
112 [Lustre requires that Linux is configured with at least a 8KB stack.])
119 # Allow the user to set the MDS thread upper limit
121 AC_DEFUN([LC_MDS_MAX_THREADS], [
122 AC_MSG_CHECKING([for maximum number of MDS threads])
123 AC_ARG_WITH([mds_max_threads],
124 AS_HELP_STRING([--with-mds-max-threads=count],
125 [maximum threads available on the MDS: (default=512)]),
126 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
127 [maximum number of MDS threads])])
128 AC_MSG_RESULT([$with_mds_max_threads])
129 ]) # LC_MDS_MAX_THREADS
134 # the pinger is temporary, until we have the recovery node in place
136 AC_DEFUN([LC_CONFIG_PINGER], [
137 AC_MSG_CHECKING([whether to enable Lustre pinger support])
138 AC_ARG_ENABLE([pinger],
139 AS_HELP_STRING([--disable-pinger],
140 [disable recovery pinger support]),
141 [], [enable_pinger="yes"])
142 AC_MSG_RESULT([$enable_pinger])
143 AS_IF([test "x$enable_pinger" != xno], [
144 AC_DEFINE(CONFIG_LUSTRE_FS_PINGER, 1, [Use the Pinger])
145 AC_SUBST(ENABLE_PINGER, yes)
147 AC_SUBST(ENABLE_PINGER, no)
149 ]) # LC_CONFIG_PINGER
154 # do checksum of bulk data between client and OST
156 AC_DEFUN([LC_CONFIG_CHECKSUM], [
157 AC_MSG_CHECKING([whether to enable data checksum support])
158 AC_ARG_ENABLE([checksum],
159 AS_HELP_STRING([--disable-checksum],
160 [disable data checksum support]),
161 [], [enable_checksum="yes"])
162 AC_MSG_RESULT([$enable_checksum])
163 AS_IF([test "x$enable_checksum" != xno], [
164 AC_DEFINE(CONFIG_ENABLE_CHECKSUM, 1, [do data checksums])
165 AC_SUBST(ENABLE_CHECKSUM, yes)
167 AC_SUBST(ENABLE_CHECKSUM, no)
169 ]) # LC_CONFIG_CHECKSUM
174 # enable distributed flock by default
176 AC_DEFUN([LC_CONFIG_FLOCK], [
177 AC_MSG_CHECKING([whether to enable flock by default])
178 AC_ARG_ENABLE([flock],
179 AS_HELP_STRING([--disable-flock],
180 [disable flock by default]),
181 [], [enable_flock="yes"])
182 AC_MSG_RESULT([$enable_flock])
183 AS_IF([test "x$enable_flock" != xno], [
184 AC_DEFINE(CONFIG_ENABLE_FLOCK, 1, [enable flock by default])
185 AC_SUBST(ENABLE_FLOCK, yes)
187 AC_SUBST(ENABLE_FLOCK, no)
192 # LC_CONFIG_HEALTH_CHECK_WRITE
194 # Turn off the actual write to the disk
196 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
197 AC_MSG_CHECKING([whether to enable a write with the health check])
198 AC_ARG_ENABLE([health_write],
199 AS_HELP_STRING([--enable-health_write],
200 [enable disk writes when doing health check]),
201 [], [enable_health_write="no"])
202 AC_MSG_RESULT([$enable_health_write])
203 AS_IF([test "x$enable_health_write" != xno], [
204 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])
205 AC_SUBST(ENABLE_HEALTH_WRITE, yes)
207 AC_SUBST(ENABLE_HEALTH_WRITE, no)
209 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
212 # LC_CONFIG_LRU_RESIZE
214 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
215 AC_MSG_CHECKING([whether to enable lru self-adjusting])
216 AC_ARG_ENABLE([lru_resize],
217 AS_HELP_STRING([--enable-lru-resize],
218 [enable lru resize support]),
219 [], [enable_lru_resize="yes"])
220 AC_MSG_RESULT([$enable_lru_resize])
221 AS_IF([test "x$enable_lru_resize" != xno], [
222 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
223 AC_SUBST(ENABLE_LRU_RESIZE, yes)
225 AC_SUBST(ENABLE_LRU_RESIZE, no)
227 ]) # LC_CONFIG_LRU_RESIZE
232 # Quota support. The kernel must support CONFIG_QUOTA.
234 AC_DEFUN([LC_SRC_CONFIG_QUOTA], [
235 LB2_SRC_CHECK_CONFIG_IM([QUOTA])
237 AC_DEFUN([LC_CONFIG_QUOTA], [
238 LB2_TEST_CHECK_CONFIG_IM([QUOTA],[],[AC_MSG_ERROR(
239 [Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])])
245 # fhandle kernel support for open_by_handle_at() and name_to_handle_at()
246 # system calls. The kernel must support CONFIG_FHANDLE.
248 AC_DEFUN([LC_SRC_CONFIG_FHANDLE], [
249 LB2_SRC_CHECK_CONFIG_IM([FHANDLE])
251 AC_DEFUN([LC_CONFIG_FHANDLE], [
252 LB2_TEST_CHECK_CONFIG_IM([FHANDLE],[],[AC_MSG_ERROR(
253 [Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.])])
254 ]) # LC_CONFIG_FHANDLE
257 # LC_POSIX_ACL_CONFIG
261 AC_DEFUN([LC_SRC_POSIX_ACL_CONFIG], [
262 LB2_SRC_CHECK_CONFIG_IM([FS_POSIX_ACL])
264 AC_DEFUN([LC_POSIX_ACL_CONFIG], [
265 LB2_TEST_CHECK_CONFIG_IM([FS_POSIX_ACL],
266 [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])],
268 ]) # LC_POSIX_ACL_CONFIG
270 # CRYPTO_MD5 check and warn only if GSS is not disabled.
273 # LC_CONFIG_GSS_KEYRING
275 # default 'auto', tests for dependencies, if found, enables;
276 # only called if gss is enabled
278 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
279 AC_MSG_CHECKING([whether to enable gss keyring backend])
280 AC_ARG_ENABLE([gss_keyring],
281 [AS_HELP_STRING([--disable-gss-keyring],
282 [disable gss keyring backend])],
283 [], [AS_IF([test "x$enable_gss" != xno], [
284 enable_gss_keyring="yes"], [
285 enable_gss_keyring="auto"])])
286 AC_MSG_RESULT([$enable_gss_keyring])
287 AS_IF([test "x$enable_gss_keyring" != xno], [
288 LB_CHECK_CONFIG_IM([KEYS], [], [
289 gss_keyring_conf_test="fail"
290 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
292 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
293 gss_keyring_conf_test="fail"
294 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
296 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
297 AC_DEFINE([HAVE_GSS_KEYRING], [1],
298 [Define this if you enable gss keyring backend])
299 enable_gss_keyring="yes"
301 AS_IF([test "x$enable_gss_keyring" = xyes], [
302 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
309 ]) # LC_CONFIG_GSS_KEYRING
312 # LC_KEY_TYPE_INSTANTIATE_2ARGS
314 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
316 AC_DEFUN([LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS], [
317 LB2_LINUX_TEST_SRC([key_type_instantiate_2args], [
318 #include <linux/key-type.h>
320 ((struct key_type *)0)->instantiate(0, NULL);
323 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
324 LB2_MSG_LINUX_TEST_RESULT([if 'key_type->instantiate' has two args],
325 [key_type_instantiate_2args], [
326 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
327 [key_type->instantiate has two args])
329 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
334 AC_DEFUN([LC_CONFIG_SUNRPC], [
335 LB_CHECK_CONFIG_IM([SUNRPC], [], [
336 AS_IF([test "x$sunrpc_required" = xyes], [
339 kernel SUNRPC support is required by using GSS.
342 ]) # LC_CONFIG_SUNRPC
345 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
347 # Build gss and related tools of Lustre. Currently both kernel and user space
348 # parts are depend on linux platform.
350 AC_DEFUN([LC_CONFIG_GSS], [
351 AC_MSG_CHECKING([whether to enable gss support])
353 [AS_HELP_STRING([--enable-gss], [enable gss support])],
354 [], [enable_gss="auto"])
355 AC_MSG_RESULT([$enable_gss])
357 AC_ARG_VAR([TEST_JOBS],
358 [simultaneous jobs during configure (defaults to $(nproc))])
359 if test "x$ac_cv_env_TEST_JOBS_set" != "xset"; then
360 TEST_JOBS=${TEST_JOBS:-$(nproc)}
364 AC_ARG_VAR([TEST_DIR],
365 [location of temporary parallel configure tests (defaults to $PWD/lb2)])
366 TEST_DIR=${TEST_DIR:-${ac_pwd}/_lpb}
369 AS_IF([test "x$enable_gss" != xno], [
370 LC_CONFIG_GSS_KEYRING
372 sunrpc_required=$enable_gss
376 require_krb5=$enable_gss
380 AS_IF([test -n "$KRBDIR"], [
381 gss_conf_test="success"
383 gss_conf_test="failure"
386 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
387 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
390 enable_gss_keyring="no"
394 AS_IF([test "x$enable_ssk" != xno], [
395 enable_ssk=$enable_gss
398 enable_gss_keyring="no"
404 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
405 AC_DEFUN([LC_OPENSSL_HMAC], [
406 has_hmac_functions="no"
407 saved_flags="$CFLAGS"
409 AC_MSG_CHECKING([whether OpenSSL has HMAC_Init_ex])
410 AS_IF([test "x$enable_ssk" != xno], [
411 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
412 #include <openssl/hmac.h>
413 #include <openssl/evp.h>
417 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
421 has_hmac_functions="yes"
424 AC_MSG_RESULT([$has_hmac_functions])
425 CFLAGS="$saved_flags"
428 # LC_OPENSSL_EVP_PKEY
430 # OpenSSL 3.0 introduces EVP_PKEY_get_params
431 AC_DEFUN([LC_OPENSSL_EVP_PKEY], [
433 saved_flags="$CFLAGS"
435 AC_MSG_CHECKING([whether OpenSSL has EVP_PKEY_get_params])
436 AS_IF([test "x$enable_ssk" != xno], [
437 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
438 #include <openssl/evp.h>
443 int rc = EVP_PKEY_get_params(NULL, params);
447 AC_DEFINE(HAVE_OPENSSL_EVP_PKEY, 1, [OpenSSL EVP_PKEY_get_params])
451 CFLAGS="$saved_flags"
452 AC_MSG_RESULT([$has_evp_pkey])
453 ]) # LC_OPENSSL_EVP_PKEY
458 # Check whether to enable Lustre client crypto
460 AC_DEFUN([LC_OPENSSL_SSK], [
461 AS_IF([test "x$enable_ssk" != xno], [
465 AS_IF([test "x$has_hmac_functions" = xyes -o "x$has_evp_pkey" = xyes], [
466 AC_DEFINE(HAVE_OPENSSL_SSK, 1, [OpenSSL HMAC functions needed for SSK])
470 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
471 AC_MSG_RESULT([$enable_ssk])
474 # LC_OPENSSL_GETSEPOL
476 # OpenSSL is needed for l_getsepol
477 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
478 saved_flags="$CFLAGS"
480 AC_MSG_CHECKING([whether openssl-devel is present])
481 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
482 #include <openssl/evp.h>
485 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
489 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
490 enable_getsepol="yes"
496 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
499 AC_MSG_RESULT([$enable_getsepol])
500 CFLAGS="$saved_flags"
501 ]) # LC_OPENSSL_GETSEPOL
504 AC_DEFUN([LC_HAVE_LIBAIO], [
505 AC_CHECK_HEADER([libaio.h],
507 AC_MSG_WARN([libaio is not installed on the system]))
511 # LC_INVALIDATE_RANGE
513 # 3.11 invalidatepage requires the length of the range to invalidate
515 AC_DEFUN([LC_SRC_INVALIDATE_RANGE], [
516 LB2_LINUX_TEST_SRC([address_space_ops_invalidatepage_3args], [
517 #include <linux/fs.h>
519 struct address_space_operations a_ops;
520 a_ops.invalidatepage(NULL, 0, 0);
523 AC_DEFUN([LC_INVALIDATE_RANGE], [
525 [if 'address_space_operations.invalidatepage' requires 3 arguments])
526 LB2_LINUX_TEST_RESULT([address_space_ops_invalidatepage_3args], [
527 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
528 [address_space_operations.invalidatepage needs 3 arguments])
530 ]) # LC_INVALIDATE_RANGE
533 # LC_HAVE_DIR_CONTEXT
535 # 3.11 readdir now takes the new struct dir_context
537 AC_DEFUN([LC_SRC_HAVE_DIR_CONTEXT], [
538 LB2_LINUX_TEST_SRC([dir_context], [
539 #include <linux/fs.h>
541 #ifdef FMODE_KABI_ITERATE
542 #error "back to use readdir in kabi_extand mode"
544 struct dir_context ctx;
550 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
551 LB2_MSG_LINUX_TEST_RESULT([if 'dir_context' exist],
553 AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist])
555 ]) # LC_HAVE_DIR_CONTEXT
560 # 3.11 dentry_operations.d_compare() taken 5 arguments.
562 AC_DEFUN([LC_SRC_D_COMPARE_5ARGS], [
563 LB2_LINUX_TEST_SRC([d_compare_5args], [
564 #include <linux/dcache.h>
566 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
569 AC_DEFUN([LC_D_COMPARE_5ARGS], [
570 LB2_MSG_LINUX_TEST_RESULT([if 'd_compare' taken 5 arguments],
572 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
573 [d_compare need 5 arguments])
575 ]) # LC_D_COMPARE_5ARGS
580 # 3.11 need to access d_count to get dentry reference count
582 AC_DEFUN([LC_SRC_HAVE_DCOUNT], [
583 LB2_LINUX_TEST_SRC([d_count], [
584 #include <linux/dcache.h>
586 struct dentry de = { };
589 count = d_count(&de);
592 AC_DEFUN([LC_HAVE_DCOUNT], [
593 LB2_MSG_LINUX_TEST_RESULT([if 'd_count' exists],
595 AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist])
600 # LC_PID_NS_FOR_CHILDREN
602 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
604 AC_DEFUN([LC_SRC_PID_NS_FOR_CHILDREN], [
605 LB2_LINUX_TEST_SRC([pid_ns_for_children], [
606 #include <linux/nsproxy.h>
609 ns.pid_ns_for_children = NULL;
612 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
613 LB2_MSG_LINUX_TEST_RESULT([if 'struct nsproxy' has 'pid_ns_for_children'],
614 [pid_ns_for_children], [
615 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
616 ['struct nsproxy' has 'pid_ns_for_children'])
618 ]) # LC_PID_NS_FOR_CHILDREN
621 # LC_OLDSIZE_TRUNCATE_PAGECACHE
623 # 3.12 truncate_pagecache without oldsize parameter
625 AC_DEFUN([LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE], [
626 LB2_LINUX_TEST_SRC([truncate_pagecache_old_size], [
627 #include <linux/mm.h>
629 truncate_pagecache(NULL, 0, 0);
632 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
633 LB2_MSG_LINUX_TEST_RESULT([if 'truncate_pagecache' with 'old_size' parameter],
634 [truncate_pagecache_old_size], [
635 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
638 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
643 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
644 # It was added to linux kernel 3.12
646 AC_DEFUN([LC_SRC_PTR_ERR_OR_ZERO_MISSING], [
647 LB2_LINUX_TEST_SRC([is_err_or_null], [
648 #include <linux/err.h>
650 if (PTR_ERR_OR_ZERO(NULL)) return 0;
653 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
654 LB2_MSG_LINUX_TEST_RESULT([if 'PTR_ERR_OR_ZERO' is missing],
656 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
657 ['PTR_ERR_OR_ZERO' exist])
659 ]) # LC_PTR_ERR_OR_ZERO_MISSING
662 # LC_HAVE_DENTRY_D_U_D_ALIAS
664 # 3.11 kernel moved d_alias to the union d_u in struct dentry
666 # Some distros move d_alias to d_u but it is still a struct list
668 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
669 LB2_LINUX_TEST_SRC([d_alias_list], [
670 #include <linux/list.h>
671 #include <linux/dcache.h>
674 INIT_LIST_HEAD(&de.d_u.d_alias);
677 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
678 LB2_MSG_LINUX_TEST_RESULT([if list 'dentry.d_u.d_alias' exist],
680 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
681 [list dentry.d_u.d_alias exist])
683 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
686 # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
688 # Some distros move d_alias to d_u and it is an hlist
690 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
691 LB2_LINUX_TEST_SRC([d_alias_hlist], [
692 #include <linux/list.h>
693 #include <linux/dcache.h>
696 INIT_HLIST_NODE(&de.d_u.d_alias);
699 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
700 LB2_MSG_LINUX_TEST_RESULT([if hlist 'dentry.d_u.d_alias' exist],
702 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
703 [list dentry.d_u.d_alias exist])
705 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
709 # LC_HAVE_DENTRY_D_CHILD
711 # 3.11 kernel d_child has been moved out of the union d_u
714 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_CHILD], [
715 LB2_LINUX_TEST_SRC([d_child], [
716 #include <linux/list.h>
717 #include <linux/dcache.h>
720 INIT_LIST_HEAD(&de.d_child);
723 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
724 LB2_MSG_LINUX_TEST_RESULT([if 'dentry.d_child' exist],
726 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1, [dentry.d_child exist])
728 ]) # LC_HAVE_DENTRY_D_CHILD
733 # 3.12 ki_left removed from struct kiocb
735 AC_DEFUN([LC_SRC_KIOCB_KI_LEFT], [
736 LB2_LINUX_TEST_SRC([kiocb_ki_left], [
737 #include <linux/aio.h>
739 ((struct kiocb*)0)->ki_left = 0;
742 AC_DEFUN([LC_KIOCB_KI_LEFT], [
743 LB2_MSG_LINUX_TEST_RESULT([if 'struct kiocb' with 'ki_left' member],
745 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
748 ]) # LC_KIOCB_KI_LEFT
751 # LC_REGISTER_SHRINKER_RET
753 # v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
755 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_RET], [
756 LB2_LINUX_TEST_SRC([register_shrinker_ret], [
757 #include <linux/mm.h>
759 if (register_shrinker(NULL))
760 unregister_shrinker(NULL);
763 AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
764 LB2_MSG_LINUX_TEST_RESULT([if register_shrinker() returns status],
765 [register_shrinker_ret], [
766 AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
767 [register_shrinker() returns status])
769 ]) # LC_REGISTER_SHRINKER_RET
772 # LC_VFS_RENAME_5ARGS
774 # 3.13 has vfs_rename with 5 args
776 AC_DEFUN([LC_SRC_VFS_RENAME_5ARGS], [
777 LB2_LINUX_TEST_SRC([vfs_rename_5args], [
778 #include <linux/fs.h>
780 vfs_rename(NULL, NULL, NULL, NULL, NULL);
782 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
783 [kernel has vfs_rename with 5 args])
786 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
787 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has 'vfs_rename' with 5 args],
788 [vfs_rename_5args], [
789 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
790 [kernel has vfs_rename with 5 args])
792 ]) # LC_VFS_RENAME_5ARGS
795 # LC_VFS_UNLINK_3ARGS
797 # 3.13 has vfs_unlink with 3 args
799 AC_DEFUN([LC_SRC_VFS_UNLINK_3ARGS], [
800 LB2_LINUX_TEST_SRC([vfs_unlink_3args], [
801 #include <linux/fs.h>
803 vfs_unlink(NULL, NULL, NULL);
806 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
807 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has 'vfs_unlink' with 3 args],
808 [vfs_unlink_3args], [
809 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
810 [kernel has vfs_unlink with 3 args])
812 ]) # LC_VFS_UNLINK_3ARGS
814 # LC_HAVE_D_IS_POSITIVE
816 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
817 # d_is_positive is added
819 AC_DEFUN([LC_SRC_HAVE_D_IS_POSITIVE], [
820 LB2_LINUX_TEST_SRC([d_is_positive], [
821 #include <linux/dcache.h>
826 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
827 LB2_MSG_LINUX_TEST_RESULT([if 'd_is_positive' exist],
829 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
830 ['d_is_positive' is available])
832 ]) # LC_HAVE_D_IS_POSITIVE
837 # 3.14 move some of its data in struct bio into the new
840 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER], [
841 LB2_LINUX_TEST_SRC([have_bvec_iter], [
842 #include <linux/bio.h>
844 struct bvec_iter iter;
846 iter.bi_bvec_done = 0;
849 AC_DEFUN([LC_HAVE_BVEC_ITER], [
850 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has struct bvec_iter],
852 AC_DEFINE(HAVE_BVEC_ITER, 1,
853 [kernel has struct bvec_iter])
855 ]) # LC_HAVE_BVEC_ITER
860 # 3.14 adds set_acl method to inode_operations
861 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
863 AC_DEFUN([LC_SRC_IOP_SET_ACL], [
864 LB2_LINUX_TEST_SRC([inode_ops_set_acl], [
865 #include <linux/fs.h>
867 struct inode_operations iop;
871 AC_DEFUN([LC_IOP_SET_ACL], [
872 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations' has '.set_acl' member function],
873 [inode_ops_set_acl], [
874 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
875 [inode_operations has .set_acl member function])
880 # LC_HAVE_TRUNCATE_IPAGE_FINAL
882 # 3.14 bring truncate_inode_pages_final for evict_inode
884 AC_DEFUN([LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL], [
885 LB2_LINUX_TEST_SRC([truncate_ipages_final], [
886 #include <linux/mm.h>
888 truncate_inode_pages_final(NULL);
891 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
892 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has truncate_inode_pages_final],
893 [truncate_ipages_final], [
894 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
895 [kernel has truncate_inode_pages_final])
897 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
900 # LC_IOPS_RENAME_WITH_FLAGS
902 # 3.14 has inode_operations->rename with 5 args
903 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
905 AC_DEFUN([LC_SRC_IOPS_RENAME_WITH_FLAGS], [
906 LB2_LINUX_TEST_SRC([iops_rename_with_flags], [
907 #include <linux/fs.h>
909 struct inode *i1 = NULL, *i2 = NULL;
910 struct dentry *d1 = NULL, *d2 = NULL;
912 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
914 ]) # LC_IOPS_RENAME_WITH_FLAGS
915 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
916 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations->rename' taken flags as argument],
917 [iops_rename_with_flags], [
918 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
919 [inode_operations->rename need flags as argument])
921 ]) # LC_IOPS_RENAME_WITH_FLAGS
924 # LC_VFS_RENAME_6ARGS
926 # 3.15 has vfs_rename with 6 args
928 AC_DEFUN([LC_SRC_VFS_RENAME_6ARGS], [
929 LB2_LINUX_TEST_SRC([vfs_rename_6args], [
930 #include <linux/fs.h>
932 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
935 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
936 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has 'vfs_rename' with 6 args],
937 [vfs_rename_6args], [
938 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
939 [kernel has vfs_rename with 6 args])
941 ]) # LC_VFS_RENAME_6ARGS
944 # LC_DIRECTIO_USE_ITER
946 # 3.16 kernel changes direct IO to use iov_iter
948 AC_DEFUN([LC_SRC_DIRECTIO_USE_ITER], [
949 LB2_LINUX_TEST_SRC([direct_io_iter], [
950 #include <linux/fs.h>
952 struct address_space_operations ops = { };
953 struct iov_iter *iter = NULL;
956 ops.direct_IO(0, NULL, iter, offset);
959 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
960 LB2_MSG_LINUX_TEST_RESULT([if direct IO uses iov_iter],
962 AC_DEFINE(HAVE_DIRECTIO_ITER, 1, [direct IO uses iov_iter])
964 ]) # LC_DIRECTIO_USE_ITER
967 # LC_HAVE_IOV_ITER_INIT_DIRECTION
970 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
971 # changed iov_iter_init api to start accepting a tag
972 # that defines if its a read or write operation
974 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION], [
975 LB2_LINUX_TEST_SRC([iter_init], [
976 #include <linux/uio.h>
977 #include <linux/fs.h>
979 const struct iovec *iov = NULL;
981 iov_iter_init(NULL, READ, iov, 1, 0);
984 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
985 LB2_MSG_LINUX_TEST_RESULT([if 'iov_iter_init' takes a tag],
987 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
988 [iov_iter_init handles directional tag])
990 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
993 # LC_HAVE_IOV_ITER_TRUNCATE
996 # 3.16 introduces a new API iov_iter_truncate()
998 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_TRUNCATE], [
999 LB2_LINUX_TEST_SRC([iter_truncate], [
1000 #include <linux/uio.h>
1001 #include <linux/fs.h>
1003 struct iov_iter *i = NULL;
1005 iov_iter_truncate(i, 0);
1008 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1009 LB2_MSG_LINUX_TEST_RESULT([if 'iov_iter_truncate' exists],
1011 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1013 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1016 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1018 # 3.16 introduces [read|write]_iter to struct file_operations
1020 AC_DEFUN([LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1021 LB2_LINUX_TEST_SRC([file_function_iter], [
1022 #include <linux/fs.h>
1024 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1025 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1028 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1029 LB2_MSG_LINUX_TEST_RESULT([if 'file_operations.[read|write]_iter' exist],
1030 [file_function_iter], [
1031 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1032 [file_operations.[read|write]_iter functions exist])
1034 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1037 # LC_PAGECACHE_GET_PAGE
1039 # Kernel version 3.16 commit 2457aec63745e235bcafb7ef312b182d8682f0fc
1040 # @pagecache_get_page was introduced since Linux 3.16
1042 AC_DEFUN([LC_SRC_PAGECACHE_GET_PAGE], [
1043 LB2_LINUX_TEST_SRC([pagecache_get_page], [
1044 #include <linux/pagemap.h>
1046 pagecache_get_page(NULL, 0, 0, 0);
1049 AC_DEFUN([LC_PAGECACHE_GET_PAGE], [
1050 LB2_MSG_LINUX_TEST_RESULT([if 'pagecache_get_page' exists],
1051 [pagecache_get_page], [
1052 AC_DEFINE(HAVE_PAGECACHE_GET_PAGE, 1,
1053 ['pagecache_get_page' is available])
1055 ]) # LC_PAGECACHE_GET_PAGE
1058 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1060 # 3.17 replace sector_size with interval in struct blk_integrity
1062 AC_DEFUN([LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY], [
1063 LB2_LINUX_TEST_SRC([interval_blk_integrity], [
1064 #include <linux/blkdev.h>
1066 ((struct blk_integrity *)0)->interval = 0;
1069 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1070 LB2_MSG_LINUX_TEST_RESULT([if 'blk_integrity.interval' exist],
1071 [interval_blk_integrity], [
1072 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1073 [blk_integrity.interval exist])
1075 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1080 # 3.17 replaces key_type::match with match_preparse
1081 # and has new struct key_match_data
1083 AC_DEFUN([LC_SRC_KEY_MATCH_DATA], [
1084 LB2_LINUX_TEST_SRC([key_match], [
1085 #include <linux/key-type.h>
1087 struct key_match_data data;
1089 data.raw_data = NULL;
1092 AC_DEFUN([LC_KEY_MATCH_DATA], [
1093 LB2_MSG_LINUX_TEST_RESULT([if struct key_match field exist],
1095 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1, [struct key_match_data exist])
1097 ]) # LC_KEY_MATCH_DATA
1100 # LC_HAVE_BLK_INTEGRITY_ITER
1102 # Linux commit v3.17-rc5-69-g1859308853b1 replaces
1103 # struct blk_integrity_exchg with struct blk_integrity_iter
1105 # LB_CHECK_LINUX_HEADER has already run so we can rely on
1106 # HAVE_LINUX_BLK_INTEGRITY_HEADER being set correctly before
1109 AC_DEFUN([LC_SRC_HAVE_BLK_INTEGRITY_ITER], [
1110 LB2_LINUX_TEST_SRC([blk_integrity_iter], [
1111 #ifdef HAVE_LINUX_BLK_INTEGRITY_HEADER
1112 # include <linux/blk-integrity.h>
1114 # include <linux/blkdev.h>
1117 struct blk_integrity_iter iter;
1119 iter.prot_buf = NULL;
1122 AC_DEFUN([LC_HAVE_BLK_INTEGRITY_ITER], [
1123 LB2_MSG_LINUX_TEST_RESULT([if struct blk_integrity_iter exist],
1124 [blk_integrity_iter], [
1125 AC_DEFINE(HAVE_BLK_INTEGRITY_ITER, 1,
1126 [kernel has struct blk_integrity_iter])
1128 ]) # LC_HAVE_BLK_INTEGRITY_ITER
1131 # LC_NFS_FILLDIR_USE_CTX
1133 # 3.18 kernel moved from void cookie to struct dir_context
1135 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX], [
1136 LB2_LINUX_TEST_SRC([filldir_ctx], [
1137 #include <linux/fs.h>
1139 int filldir(struct dir_context *ctx, const char* name,
1140 int i, loff_t off, u64 tmp, unsigned temp)
1145 struct dir_context ctx = {
1149 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1152 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1153 LB2_MSG_LINUX_TEST_RESULT([if filldir_t uses struct dir_context],
1155 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1156 [filldir_t needs struct dir_context as argument])
1158 ]) # LC_NFS_FILLDIR_USE_CTX
1161 # LC_PERCPU_COUNTER_INIT
1163 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1164 # to pass a GFP_* memory allocation flag for internal
1165 # memory allocation purposes.
1167 AC_DEFUN([LC_SRC_PERCPU_COUNTER_INIT], [
1168 LB2_LINUX_TEST_SRC([percpu_counter_init], [
1169 #include <linux/percpu_counter.h>
1171 percpu_counter_init(NULL, 0, GFP_KERNEL);
1174 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1175 LB2_MSG_LINUX_TEST_RESULT([if percpu_counter_init uses GFP_* flag as argument],
1176 [percpu_counter_init], [
1177 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1178 [percpu_counter_init uses GFP_* flag])
1180 ]) # LC_PERCPU_COUNTER_INIT
1183 # LC_KIOCB_HAS_NBYTES
1185 # 3.19 kernel removed ki_nbytes from struct kiocb
1187 AC_DEFUN([LC_SRC_KIOCB_HAS_NBYTES], [
1188 LB2_LINUX_TEST_SRC([ki_nbytes], [
1189 #include <linux/fs.h>
1191 struct kiocb iocb = { };
1196 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1197 LB2_MSG_LINUX_TEST_RESULT([if struct kiocb has ki_nbytes field],
1199 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1201 ]) # LC_KIOCB_HAS_NBYTES
1204 # LC_HAVE_DQUOT_QC_DQBLK
1206 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
1207 # Added in commit 14bf61ffe
1209 AC_DEFUN([LC_SRC_HAVE_DQUOT_QC_DQBLK], [
1210 LB2_LINUX_TEST_SRC([qc_dqblk], [
1211 #include <linux/fs.h>
1212 #include <linux/quota.h>
1214 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
1217 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
1218 LB2_MSG_LINUX_TEST_RESULT([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
1220 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
1221 [quotactl_ops.set_dqblk takes struct qc_dqblk])
1222 AC_DEFINE(HAVE_DQUOT_KQID, 1,
1223 [quotactl_ops.set_dqblk takes struct kqid])
1225 ]) # LC_HAVE_DQUOT_QC_DQBLK
1228 # LC_HAVE_AIO_COMPLETE
1230 # 3.19 kernel makes aio_complete() static
1232 AC_DEFUN([LC_SRC_HAVE_AIO_COMPLETE], [
1233 LB2_LINUX_TEST_SRC([aio_complete], [
1234 #include <linux/aio.h>
1236 aio_complete(NULL, 0, 0);
1239 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
1240 LB2_MSG_LINUX_TEST_RESULT([if kernel has exported aio_complete()],
1242 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
1244 ]) # LC_HAVE_AIO_COMPLETE
1247 # LC_HAVE_IS_ROOT_INODE
1249 # 3.19 kernel adds is_root_inode()
1250 # Commit a7400222e3eb ("new helper: is_root_inode()")
1252 AC_DEFUN([LC_SRC_HAVE_IS_ROOT_INODE], [
1253 LB2_LINUX_TEST_SRC([is_root_inode], [
1254 #include <linux/fs.h>
1256 is_root_inode(NULL);
1259 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1260 LB2_MSG_LINUX_TEST_RESULT([if kernel has is_root_inode()],
1262 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1264 ]) # LC_HAVE_IS_ROOT_INODE
1267 # LC_BACKING_DEV_INFO_REMOVAL
1269 # 3.20 kernel removed backing_dev_info from address_space
1271 AC_DEFUN([LC_SRC_BACKING_DEV_INFO_REMOVAL], [
1272 LB2_LINUX_TEST_SRC([backing_dev_info], [
1273 #include <linux/fs.h>
1275 struct address_space mapping;
1277 mapping.backing_dev_info = NULL;
1280 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1281 LB2_MSG_LINUX_TEST_RESULT([if struct address_space has backing_dev_info],
1282 [backing_dev_info], [
1283 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1285 ]) # LC_BACKING_DEV_INFO_REMOVAL
1288 # LC_HAVE_PROJECT_QUOTA
1290 # Kernel version v4.0-rc1-197-g847aac644e92
1292 AC_DEFUN([LC_SRC_HAVE_PROJECT_QUOTA], [
1293 LB2_LINUX_TEST_SRC([get_projid], [
1295 #include <linux/quota.h>
1297 struct dquot_operations ops = { };
1299 ops.get_projid(NULL, NULL);
1302 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1303 LB2_MSG_LINUX_TEST_RESULT([if get_projid exists],
1305 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1306 [get_projid function exists])
1308 ]) # LC_HAVE_PROJECT_QUOTA
1313 # 4.1 kernel has iov_iter_rw
1315 AC_DEFUN([LC_SRC_IOV_ITER_RW], [
1316 LB2_LINUX_TEST_SRC([iov_iter_rw], [
1317 #include <linux/fs.h>
1318 #include <linux/uio.h>
1320 struct iov_iter *iter = NULL;
1325 AC_DEFUN([LC_IOV_ITER_RW], [
1326 LB2_MSG_LINUX_TEST_RESULT([if iov_iter_rw exist],
1328 AC_DEFINE(HAVE_IOV_ITER_RW, 1, [iov_iter_rw exist])
1333 # LC_HAVE_SYNC_READ_WRITE
1335 # 4.1 new_sync_[read|write] no longer exported
1337 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1338 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1339 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1340 [new_sync_[read|write] is exported by the kernel])])
1341 ]) # LC_HAVE_SYNC_READ_WRITE
1346 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1348 AC_DEFUN([LC_SRC_HAVE___BI_CNT], [
1349 LB2_LINUX_TEST_SRC([have___bi_cnt], [
1350 #include <asm/atomic.h>
1351 #include <linux/bio.h>
1352 #include <linux/blk_types.h>
1354 struct bio bio = { };
1356 cnt = atomic_read(&bio.__bi_cnt);
1359 AC_DEFUN([LC_HAVE___BI_CNT], [
1360 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has __bi_cnt in struct bio],
1362 AC_DEFINE(HAVE___BI_CNT, 1, [struct bio has __bi_cnt])
1364 ]) # LC_HAVE___BI_CNT
1367 # LC_SYMLINK_OPS_USE_NAMEIDATA
1369 # For the 4.2+ kernels the file system internal symlink api no
1370 # longer uses struct nameidata as a argument
1372 AC_DEFUN([LC_SRC_SYMLINK_OPS_USE_NAMEIDATA], [
1373 LB2_LINUX_TEST_SRC([symlink_use_nameidata], [
1374 #include <linux/namei.h>
1375 #include <linux/fs.h>
1377 struct nameidata *nd = NULL;
1379 ((struct inode_operations *)0)->follow_link(NULL, nd);
1380 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1383 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1384 LB2_MSG_LINUX_TEST_RESULT([if symlink inode operations have struct nameidata argument],
1385 [symlink_use_nameidata], [
1386 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1387 [symlink inode operations need struct nameidata argument])
1389 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1392 # LC_BIO_ENDIO_USES_ONE_ARG
1394 # 4.2 kernel bio_endio now only takes one argument
1396 AC_DEFUN([LC_SRC_BIO_ENDIO_USES_ONE_ARG], [
1397 LB2_LINUX_TEST_SRC([bio_endio], [
1398 #include <linux/bio.h>
1403 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1404 LB2_MSG_LINUX_TEST_RESULT([if 'bio_endio' with one argument exist],
1406 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1407 [bio_endio takes only one argument])
1409 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1412 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1414 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1416 AC_DEFUN([LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1417 LB2_LINUX_TEST_SRC([account_page_dirtied_3a], [
1418 #include <linux/mm.h>
1420 account_page_dirtied(NULL, NULL, NULL);
1423 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1424 LB2_MSG_LINUX_TEST_RESULT([if 'account_page_dirtied' with 3 args exists],
1425 [account_page_dirtied_3a], [
1426 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1427 [account_page_dirtied takes three arguments])
1429 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1432 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1434 # Kernel version 4.12 commit 7a7ffe65c8c5
1435 # introduced crypto_alloc_skcipher().
1437 AC_DEFUN([LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1438 LB2_LINUX_TEST_SRC([crypto_alloc_skcipher], [
1439 #include <crypto/skcipher.h>
1441 crypto_alloc_skcipher(NULL, 0, 0);
1444 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1445 LB2_MSG_LINUX_TEST_RESULT([if crypto_alloc_skcipher is defined],
1446 [crypto_alloc_skcipher], [
1447 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1448 [crypto_alloc_skcipher is defined])
1450 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1453 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1455 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1456 # 'struct blk_integrity_profile' is also added in this version,
1457 # thus use this to determine whether 'struct blk_integrity' has profile
1459 AC_DEFUN([LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1460 LB2_LINUX_TEST_SRC([blk_integrity_interval_exp], [
1461 #include <linux/blkdev.h>
1463 ((struct blk_integrity *)0)->interval_exp = 0;
1466 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1467 LB2_MSG_LINUX_TEST_RESULT([if 'blk_integrity.interval_exp' exist],
1468 [blk_integrity_interval_exp], [
1469 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1470 [blk_integrity.interval_exp exist])
1472 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1475 # LC_HAVE_CACHE_HEAD_HLIST
1477 # 4.3 kernel swiched to hlist for cache_head
1479 AC_DEFUN([LC_SRC_HAVE_CACHE_HEAD_HLIST], [
1480 LB2_LINUX_TEST_SRC([cache_head_has_hlist], [
1481 #include <linux/sunrpc/cache.h>
1483 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1486 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1487 LB2_MSG_LINUX_TEST_RESULT([if 'struct cache_head' has 'cache_list' field],
1488 [cache_head_has_hlist], [
1489 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1490 [cache_head has hlist cache_list])
1492 ]) # LC_HAVE_CACHE_HEAD_HLIST
1495 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1497 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1498 # simplified xattr_handler handling by passing in the handler pointer
1500 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1501 LB2_LINUX_TEST_SRC([xattr_handler_simplified], [
1502 #include <linux/xattr.h>
1504 struct xattr_handler handler;
1506 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1507 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1510 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1511 LB2_MSG_LINUX_TEST_RESULT([if 'struct xattr_handler' functions pass in handler pointer],
1512 [xattr_handler_simplified], [
1513 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1,
1514 [handler pointer is parameter])
1516 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1519 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1521 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1523 AC_DEFUN([LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1524 LB2_LINUX_TEST_SRC([bio_integrity_payload_bip_iter], [
1525 #include <linux/bio.h>
1527 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1530 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1531 LB2_MSG_LINUX_TEST_RESULT([if 'bio_integrity_payload.bip_iter' exist],
1532 [bio_integrity_payload_bip_iter], [
1533 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1534 [bio_integrity_payload.bip_iter exist])
1536 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1539 # LC_BIO_INTEGRITY_PREP_FN
1541 # Lustre kernel patch extents bio_integrity_prep to accept optional
1542 # generate/verify_fn as extra args.
1544 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN], [
1545 LB2_LINUX_TEST_SRC([bio_integrity_prep_fn], [
1546 #include <linux/bio.h>
1548 bio_integrity_prep_fn(NULL, NULL, NULL);
1551 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1552 LB2_MSG_LINUX_TEST_RESULT([if 'bio_integrity_prep_fn' exists],
1553 [bio_integrity_prep_fn], [
1554 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1555 [kernel has bio_integrity_prep_fn])
1556 AC_SUBST(PATCHED_INTEGRITY_INTF)
1558 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1560 ]) # LC_BIO_INTEGRITY_PREP_FN
1562 # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1564 # 13 kernel integrity API has changed and in 4.13+
1565 # (as well as in rhel 8.4) bio_integrity_prep() returns boolean true
1568 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1569 LB2_LINUX_TEST_SRC([bio_integrity_prep_ret_bool], [
1570 #include <linux/bio.h>
1571 #include <linux/typecheck.h>
1573 #pragma GCC diagnostic warning "-Werror"
1574 typedef bool (*bio_integrity_prep_type)(struct bio *bio) ;
1576 typecheck_fn(bio_integrity_prep_type, bio_integrity_prep);
1579 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1580 LB2_MSG_LINUX_TEST_RESULT([if 'bio_integrity_prep_fn' returns bool],
1581 [bio_integrity_prep_ret_bool], [
1582 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL, 1,
1583 [bio_integrity_prep_fn returns bool])
1585 ]) # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1590 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1592 AC_DEFUN([LC_SRC_HAVE_BI_OPF], [
1593 LB2_LINUX_TEST_SRC([have_bi_opf], [
1594 #include <linux/bio.h>
1601 AC_DEFUN([LC_HAVE_BI_OPF], [
1602 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has bi_opf in struct bio],
1604 AC_DEFINE(HAVE_BI_OPF, 1, [struct bio has bi_opf])
1609 # LC_HAVE_SUBMIT_BIO_2ARGS
1611 # 4.4 removed an argument from submit_bio
1613 AC_DEFUN([LC_SRC_HAVE_SUBMIT_BIO_2ARGS], [
1614 LB2_LINUX_TEST_SRC([have_submit_bio_2args], [
1615 #include <linux/bio.h>
1618 submit_bio(READ, &bio);
1621 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1622 LB2_MSG_LINUX_TEST_RESULT([if submit_bio takes two arguments],
1623 [have_submit_bio_2args], [
1624 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1625 [submit_bio takes two arguments])
1627 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1630 # LC_HAVE_CLEAN_BDEV_ALIASES
1632 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1633 # (SLES12/kernel commit 29f3ad7d8380364c)
1635 AC_DEFUN([LC_SRC_HAVE_CLEAN_BDEV_ALIASES], [
1636 LB2_LINUX_TEST_SRC([have_clean_bdev_aliases], [
1637 #include <linux/buffer_head.h>
1639 clean_bdev_aliases(NULL,1,1);
1642 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1643 LB2_MSG_LINUX_TEST_RESULT([if kernel has clean_bdev_aliases],
1644 [have_clean_bdev_aliases], [
1645 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1646 [kernel has clean_bdev_aliases])
1648 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1651 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1653 # 4.4 kernel have moved locks API users to
1654 # locks_lock_inode_wait()
1656 AC_DEFUN([LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1657 LB2_LINUX_TEST_SRC([locks_lock_file_wait], [
1658 #include <linux/fs.h>
1660 locks_lock_file_wait(NULL, NULL);
1663 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1664 LB2_MSG_LINUX_TEST_RESULT([if 'locks_lock_file_wait' exists],
1665 [locks_lock_file_wait], [
1666 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1667 [kernel has locks_lock_file_wait])
1669 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1672 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1674 # 4.4 kernel merged type-specific data with the payload data for keys
1676 AC_DEFUN([LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1677 LB2_LINUX_TEST_SRC([key_payload_data_array], [
1678 #include <linux/key.h>
1680 struct key key = { };
1682 key.payload.data[0] = NULL;
1685 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1686 LB2_MSG_LINUX_TEST_RESULT([if 'struct key' has 'payload.data' as an array],
1687 [key_payload_data_array], [
1688 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1690 ]) # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1693 # LC_HAVE_XATTR_HANDLER_NAME
1695 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1696 # add a name member to struct xattr_handler
1698 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_NAME], [
1699 LB2_LINUX_TEST_SRC([xattr_handler_name], [
1700 #include <linux/xattr.h>
1702 ((struct xattr_handler *)NULL)->name = NULL;
1705 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1706 LB2_MSG_LINUX_TEST_RESULT([if 'struct xattr_handler' has a name member],
1707 [xattr_handler_name], [
1708 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
1709 [xattr_handler has a name member])
1711 ]) # LC_HAVE_XATTR_HANDLER_NAME
1714 # LC_HAVE_FILE_DENTRY
1716 # 4.5 adds wrapper file_dentry
1718 AC_DEFUN([LC_SRC_HAVE_FILE_DENTRY], [
1719 LB2_LINUX_TEST_SRC([file_dentry], [
1720 #include <linux/fs.h>
1725 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1726 LB2_MSG_LINUX_TEST_RESULT([if Linux kernel has 'file_dentry'],
1728 AC_DEFINE(HAVE_FILE_DENTRY, 1, [kernel has file_dentry])
1730 ]) # LC_HAVE_FILE_DENTRY
1733 # LC_HAVE_INODE_LOCK
1735 # 4.5 introduced inode_lock
1737 AC_DEFUN([LC_SRC_HAVE_INODE_LOCK], [
1738 LB2_LINUX_TEST_SRC([inode_lock], [
1739 #include <linux/fs.h>
1744 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1745 LB2_MSG_LINUX_TEST_RESULT([if 'inode_lock' is defined],
1747 AC_DEFINE(HAVE_INODE_LOCK, 1, [inode_lock is defined])
1749 ]) # LC_HAVE_INODE_LOCK
1752 # LC_HAVE_IOP_GET_LINK
1754 # 4.5 vfs replaced iop->follow_link with
1757 AC_DEFUN([LC_SRC_HAVE_IOP_GET_LINK], [
1758 LB2_LINUX_TEST_SRC([inode_ops_get_link], [
1759 #include <linux/fs.h>
1761 struct inode_operations iop;
1762 iop.get_link = NULL;
1765 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1766 LB2_MSG_LINUX_TEST_RESULT([if 'iop' has 'get_link'],
1767 [inode_ops_get_link], [
1768 AC_DEFINE(HAVE_IOP_GET_LINK, 1, [have iop get_link])
1770 ]) # LC_HAVE_IOP_GET_LINK
1773 # LC_HAVE_IN_COMPAT_SYSCALL
1775 # 4.6 renamed is_compat_task to in_compat_syscall
1777 AC_DEFUN([LC_SRC_HAVE_IN_COMPAT_SYSCALL], [
1778 LB2_LINUX_TEST_SRC([in_compat_syscall], [
1779 #include <linux/compat.h>
1781 in_compat_syscall();
1784 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1785 LB2_MSG_LINUX_TEST_RESULT([if 'in_compat_syscall' is defined],
1786 [in_compat_syscall], [
1787 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1, [have in_compat_syscall])
1789 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1792 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1794 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1795 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1796 # to xattr_handler functions
1798 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1799 LB2_LINUX_TEST_SRC([xattr_handler_inode_param], [
1800 #include <linux/xattr.h>
1802 const struct xattr_handler handler;
1804 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1805 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1808 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1809 LB2_MSG_LINUX_TEST_RESULT([if 'struct xattr_handler' functions have inode parameter],
1810 [xattr_handler_inode_param], [
1811 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1813 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1818 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1819 # introduced parallel lookups in the VFS layer. The inline function
1820 # d_in_lookup was added to notify when the same item was being queried
1823 AC_DEFUN([LC_SRC_D_IN_LOOKUP], [
1824 LB2_LINUX_TEST_SRC([d_in_lookup], [
1825 #include <linux/dcache.h>
1830 AC_DEFUN([LC_D_IN_LOOKUP], [
1831 LB2_MSG_LINUX_TEST_RESULT([if 'd_in_lookup' is defined],
1833 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1838 # LC_LOCK_PAGE_MEMCG
1840 # Kernel version 4.6 adds lock_page_memcg(page)
1841 # Linux commit v5.15-12273-gab2f9d2d3626
1842 # mm: unexport {,un}lock_page_memcg
1844 AC_DEFUN([LC_SRC_LOCK_PAGE_MEMCG], [
1845 LB2_LINUX_TEST_SRC([lock_page_memcg], [
1846 #include <linux/memcontrol.h>
1848 lock_page_memcg(NULL);
1851 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1852 LB2_MSG_LINUX_TEST_RESULT([if 'lock_page_memcg' is defined],
1853 [lock_page_memcg], [
1854 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1, [lock_page_memcg is defined])
1856 ]) # LC_LOCK_PAGE_MEMCG
1859 # LC_HAVE_DOWN_WRITE_KILLABLE
1861 # Kernel version v4.6-rc3-28-g916633a40370
1863 AC_DEFUN([LC_SRC_HAVE_DOWN_WRITE_KILLABLE], [
1864 LB2_LINUX_TEST_SRC([down_write_killable], [
1865 #include <linux/rwsem.h>
1867 struct rw_semaphore sem;
1871 rc = down_write_killable(&sem);
1875 AC_DEFUN([LC_HAVE_DOWN_WRITE_KILLABLE], [
1876 LB2_MSG_LINUX_TEST_RESULT([if down_write_killable exists],
1877 [down_write_killable], [
1878 AC_DEFINE(HAVE_DOWN_WRITE_KILLABLE, 1,
1879 [down_write_killable function exists])
1881 ]) # LC_HAVE_DOWN_WRITE_KILLABLE
1886 # Kernel version 4.7-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
1887 # add new d_init to initialize dentry at allocation time
1889 AC_DEFUN([LC_SRC_D_INIT], [
1890 LB2_LINUX_TEST_SRC([d_init], [
1891 #include <linux/dcache.h>
1893 struct dentry_operations ops = { };
1896 rc = ops.d_init(NULL);
1899 AC_DEFUN([LC_D_INIT], [
1900 LB2_MSG_LINUX_TEST_RESULT([if dentry operations supports 'd_init'],
1902 AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
1909 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1910 # direct-io: eliminate the offset argument to ->direct_IO
1912 AC_DEFUN([LC_SRC_DIRECTIO_2ARGS], [
1913 LB2_LINUX_TEST_SRC([direct_io_2args], [
1914 #include <linux/fs.h>
1916 struct address_space_operations ops = { };
1917 struct iov_iter *iter = NULL;
1918 struct kiocb *iocb = NULL;
1921 rc = ops.direct_IO(iocb, iter);
1924 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1925 LB2_MSG_LINUX_TEST_RESULT([if '->direct_IO()' takes 2 arguments],
1926 [direct_io_2args], [
1927 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1, [direct_IO has 2 arguments])
1929 ]) # LC_DIRECTIO_2ARGS
1932 # LC_GENERIC_WRITE_SYNC_2ARGS
1934 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1935 # fs: add IOCB_SYNC and IOCB_DSYNC
1937 AC_DEFUN([LC_SRC_GENERIC_WRITE_SYNC_2ARGS], [
1938 LB2_LINUX_TEST_SRC([generic_write_sync_2args], [
1939 #include <linux/fs.h>
1941 struct kiocb *iocb = NULL;
1944 rc = generic_write_sync(iocb, 0);
1947 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1948 LB2_MSG_LINUX_TEST_RESULT([if 'generic_write_sync()' takes 2 arguments],
1949 [generic_write_sync_2args], [
1950 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1951 [generic_write_sync has 2 arguments])
1953 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1956 # LC_FOP_ITERATE_SHARED
1958 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1960 AC_DEFUN([LC_SRC_FOP_ITERATE_SHARED], [
1961 LB2_LINUX_TEST_SRC([fop_iterate_shared], [
1962 #include <linux/fs.h>
1964 struct file_operations fop;
1965 fop.iterate_shared = NULL;
1968 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1969 LB2_MSG_LINUX_TEST_RESULT([if 'file_operations' has 'iterate_shared'],
1970 [fop_iterate_shared], [
1971 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1972 [file_operations has iterate_shared])
1974 ]) # LC_FOP_ITERATE_SHARED
1977 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
1979 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
1980 # generic_file_splice_read() to using ->read_iter. We can test this
1981 # change since default_file_splice_read() is no longer exported.
1983 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
1984 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
1985 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
1986 [default_file_splice_read is exported])])
1987 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
1990 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1992 # 4.8 posix_acl_valid takes struct user_namespace
1994 AC_DEFUN([LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS], [
1995 LB2_LINUX_TEST_SRC([posix_acl_valid], [
1996 #include <linux/fs.h>
1997 #include <linux/posix_acl.h>
1999 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2002 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2003 LB2_MSG_LINUX_TEST_RESULT([if 'posix_acl_valid' takes 'struct user_namespace'],
2004 [posix_acl_valid], [
2005 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2006 [posix_acl_valid takes struct user_namespace])
2008 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2011 # LC_D_COMPARE_4ARGS
2013 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2014 # get rid of 'parent' argument of ->d_compare()
2016 AC_DEFUN([LC_SRC_D_COMPARE_4ARGS], [
2017 LB2_LINUX_TEST_SRC([d_compare_4args], [
2018 #include <linux/dcache.h>
2020 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2023 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2024 LB2_MSG_LINUX_TEST_RESULT([if 'd_compare' taken 4 arguments],
2025 [d_compare_4args], [
2026 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2027 [d_compare need 4 arguments])
2029 ]) # LC_D_COMPARE_4ARGS
2032 # LC_FULL_NAME_HASH_3ARGS
2034 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2035 # vfs: make the string hashes salt the hash
2037 AC_DEFUN([LC_SRC_FULL_NAME_HASH_3ARGS], [
2038 LB2_LINUX_TEST_SRC([full_name_hash_3args], [
2039 #include <linux/stringhash.h>
2042 hash = full_name_hash(NULL,NULL,0);
2045 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2046 LB2_MSG_LINUX_TEST_RESULT([if 'full_name_hash' taken 3 arguments],
2047 [full_name_hash_3args], [
2048 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2049 [full_name_hash need 3 arguments])
2051 ]) # LC_FULL_NAME_HASH_3ARGS
2054 # LC_STRUCT_POSIX_ACL_XATTR
2056 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2057 # posix_acl: xattr representation cleanups
2059 AC_DEFUN([LC_SRC_STRUCT_POSIX_ACL_XATTR], [
2060 LB2_LINUX_TEST_SRC([struct_posix_acl_xattr], [
2061 #include <linux/fs.h>
2062 #include <linux/posix_acl_xattr.h>
2064 struct posix_acl_xattr_header *h = NULL;
2065 struct posix_acl_xattr_entry *e;
2066 e = (void *)(h + 1);
2069 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2070 LB2_MSG_LINUX_TEST_RESULT([if 'struct posix_acl_xattr_{header,entry}' defined],
2071 [struct_posix_acl_xattr], [
2072 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2073 [struct posix_acl_xattr_{header,entry} defined])
2075 ]) # LC_STRUCT_POSIX_ACL_XATTR
2080 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2081 # removed {get,set,remove}xattr inode operations
2083 AC_DEFUN([LC_SRC_IOP_XATTR], [
2084 LB2_LINUX_TEST_SRC([inode_ops_xattr], [
2085 #include <linux/fs.h>
2087 struct inode_operations iop;
2088 iop.setxattr = NULL;
2089 iop.getxattr = NULL;
2090 iop.removexattr = NULL;
2093 AC_DEFUN([LC_IOP_XATTR], [
2094 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations' has {get,set,remove}xattr members],
2095 [inode_ops_xattr], [
2096 AC_DEFINE(HAVE_IOP_XATTR, 1,
2097 [inode_operations has {get,set,remove}xattr members])
2104 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2105 # cred: simpler, 1D supplementary groups
2107 AC_DEFUN([LC_SRC_GROUP_INFO_GID], [
2108 LB2_LINUX_TEST_SRC([group_info_gid], [
2109 #include <linux/cred.h>
2112 p = ((struct group_info *)0)->gid;
2115 AC_DEFUN([LC_GROUP_INFO_GID], [
2116 LB2_MSG_LINUX_TEST_RESULT([if 'struct group_info' has member 'gid'],
2118 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2119 [struct group_info has member gid])
2121 ]) # LC_GROUP_INFO_GID
2126 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2127 # added __vfs_{get,set,remove}xattr helpers
2129 AC_DEFUN([LC_SRC_VFS_SETXATTR], [
2130 LB2_LINUX_TEST_SRC([vfs_setxattr], [
2131 #include <linux/xattr.h>
2133 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2136 AC_DEFUN([LC_VFS_SETXATTR], [
2137 LB2_MSG_LINUX_TEST_RESULT([if '__vfs_setxattr' helper is available],
2139 AC_DEFINE(HAVE_VFS_SETXATTR, 1, ['__vfs_setxattr' is available])
2141 ]) # LC_VFS_SETXATTR
2144 # LC_POSIX_ACL_UPDATE_MODE
2146 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2147 # posix_acl: Clear SGID bit when setting file permissions
2149 AC_DEFUN([LC_SRC_POSIX_ACL_UPDATE_MODE], [
2150 LB2_LINUX_TEST_SRC([posix_acl_update_mode], [
2151 #include <linux/fs.h>
2152 #include <linux/posix_acl.h>
2154 posix_acl_update_mode(NULL, NULL, NULL);
2157 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2158 LB2_MSG_LINUX_TEST_RESULT([if 'posix_acl_update_mode' exists],
2159 [posix_acl_update_mode], [
2160 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2161 ['posix_acl_update_mode' is available])
2163 ]) # LC_POSIX_ACL_UPDATE_MODE
2166 # LC_HAVE_BDI_IO_PAGES
2168 # Kernel version 4.9 commit 9491ae4aade6814afcfa67f4eb3e3342c2b39750
2169 # mm: don't cap request size based on read-ahead setting
2170 # This patch introduces a bdi hint, io_pages.
2172 AC_DEFUN([LC_SRC_HAVE_BDI_IO_PAGES], [
2173 LB2_LINUX_TEST_SRC([bdi_has_io_pages], [
2174 #include <linux/backing-dev.h>
2176 struct backing_dev_info info;
2181 AC_DEFUN([LC_HAVE_BDI_IO_PAGES], [
2182 LB2_MSG_LINUX_TEST_RESULT([if 'struct backing_dev_info' has 'io_pages' field],
2183 [bdi_has_io_pages], [
2184 AC_DEFINE(HAVE_BDI_IO_PAGES, 1,
2185 [backing_dev_info has io_pages])
2187 ]) # LC_HAVE_BDI_IO_PAGES
2190 # LC_IOP_GENERIC_READLINK
2192 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2193 # removed generic_readlink from individual file systems
2195 AC_DEFUN([LC_SRC_IOP_GENERIC_READLINK], [
2196 LB2_LINUX_TEST_SRC([inode_ops_readlink], [
2197 #include <linux/fs.h>
2199 struct inode_operations iop;
2200 iop.readlink = generic_readlink;
2203 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2204 LB2_MSG_LINUX_TEST_RESULT([if 'generic_readlink' still exist],
2205 [inode_ops_readlink], [
2206 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2207 [generic_readlink has been removed])
2209 ]) # LC_IOP_GENERIC_READLINK
2212 # LC_HAVE_VM_FAULT_ADDRESS
2214 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2215 # removed virtual_address field. Need to use address field instead
2217 AC_DEFUN([LC_SRC_HAVE_VM_FAULT_ADDRESS], [
2218 LB2_LINUX_TEST_SRC([vm_fault_address], [
2219 #include <linux/mm.h>
2221 struct vm_fault vmf = { 0 };
2222 unsigned long addr = (unsigned long)vmf.address;
2226 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2227 LB2_MSG_LINUX_TEST_RESULT([if 'struct vm_fault' replaced virtual_address with address field],
2228 [vm_fault_address], [
2229 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2230 [virtual_address has been replaced by address field])
2232 ]) # LC_HAVE_VM_FAULT_ADDRESS
2235 # LC_INODEOPS_ENHANCED_GETATTR
2237 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2238 # expanded getattr to be able to get more stat information.
2240 AC_DEFUN([LC_SRC_INODEOPS_ENHANCED_GETATTR], [
2241 LB2_LINUX_TEST_SRC([getattr_path], [
2242 #include <linux/fs.h>
2246 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2249 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2250 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations' getattr member can gather advance stats],
2252 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2253 [inode_operations .getattr member function can gather advance stats])
2255 ]) # LC_INODEOPS_ENHANCED_GETATTR
2258 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2260 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2261 # removed struct vm_area_struct as an argument for vm_operations since
2262 # in the same kernel version struct vma_area_struct was folded into
2265 AC_DEFUN([LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2266 LB2_LINUX_TEST_SRC([vm_operations_no_vm_area_struct], [
2267 #include <linux/mm.h>
2269 struct vm_fault vmf;
2271 ((struct vm_operations_struct *)0)->fault(&vmf);
2272 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2275 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2276 LB2_MSG_LINUX_TEST_RESULT([if 'struct vm_operations' removed struct vm_area_struct],
2277 [vm_operations_no_vm_area_struct], [
2278 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2279 ['struct vm_operations' remove struct vm_area_struct argument])
2281 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2284 # LC_HAVE_KEY_USAGE_REFCOUNT
2286 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2287 # converted key.usage from atomic_t to refcount_t.
2289 AC_DEFUN([LC_SRC_HAVE_KEY_USAGE_REFCOUNT], [
2290 LB2_LINUX_TEST_SRC([key_usage_refcount], [
2291 #include <linux/key.h>
2293 struct key key = { };
2295 refcount_read(&key.usage);
2298 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2299 LB2_MSG_LINUX_TEST_RESULT([if 'key.usage' is refcount_t],
2300 [key_usage_refcount], [
2301 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1,
2302 [key.usage is of type refcount_t])
2304 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2307 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2309 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2310 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2312 AC_DEFUN([LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2313 LB2_LINUX_TEST_SRC([crypto_max_alg_name], [
2314 #include <linux/crypto.h>
2316 #if CRYPTO_MAX_ALG_NAME != 128
2321 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2322 LB2_MSG_LINUX_TEST_RESULT([if 'CRYPTO_MAX_ALG_NAME' is 128],
2323 [crypto_max_alg_name], [
2324 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2325 ['CRYPTO_MAX_ALG_NAME' is 128])
2327 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2330 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2331 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2334 AC_DEFUN([LC_SRC_CURRENT_TIME], [
2335 LB2_LINUX_TEST_SRC([current_time], [
2336 #include <linux/fs.h>
2340 attr.ia_atime = current_time(NULL);
2343 AC_DEFUN([LC_CURRENT_TIME], [
2344 LB2_MSG_LINUX_TEST_RESULT([if CURRENT_TIME has been replaced with current_time],
2346 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2347 [current_time() has replaced CURRENT_TIME])
2349 ]) # LC_CURRENT_TIME
2352 # LC_HAVE_GET_INODE_USAGE
2354 # Kernel version v4.12-rc2-43-g7a9ca53aea10
2356 AC_DEFUN([LC_SRC_HAVE_GET_INODE_USAGE], [
2357 LB2_LINUX_TEST_SRC([get_inode_usage], [
2359 #include <linux/quota.h>
2361 struct dquot_operations ops = { };
2363 ops.get_inode_usage(NULL, NULL);
2366 AC_DEFUN([LC_HAVE_GET_INODE_USAGE], [
2367 LB2_MSG_LINUX_TEST_RESULT([if get_inode_usage exists],
2368 [get_inode_usage], [
2369 AC_DEFINE(HAVE_GET_INODE_USAGE, 1,
2370 [get_inode_usage function exists])
2372 ]) # LC_HAVE_GET_INODE_USAGE
2375 # LC_SUPER_SETUP_BDI_NAME
2377 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2378 # unified bdi handling
2380 AC_DEFUN([LC_SRC_SUPER_SETUP_BDI_NAME], [
2381 LB2_LINUX_TEST_SRC([super_setup_bdi_name], [
2382 #include <linux/fs.h>
2384 super_setup_bdi_name(NULL, "lustre");
2387 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2388 LB2_MSG_LINUX_TEST_RESULT([if 'super_setup_bdi_name' exist],
2389 [super_setup_bdi_name], [
2390 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2391 ['super_setup_bdi_name' is available])
2393 ]) # LC_SUPER_SETUP_BDI_NAME
2398 # 4.12 replace bi_error to bi_status
2400 AC_DEFUN([LC_SRC_BI_STATUS], [
2401 LB2_LINUX_TEST_SRC([bi_status], [
2402 #include <linux/blk_types.h>
2404 ((struct bio *)0)->bi_status = 0;
2407 AC_DEFUN([LC_BI_STATUS], [
2408 LB2_MSG_LINUX_TEST_RESULT([if 'bi_status' exist],
2410 AC_DEFINE(HAVE_BI_STATUS, 1, ['bi_status' is available])
2415 # LC_PAGEVEC_INIT_ONE_PARAM
2417 # 4.14 pagevec_init takes one parameter
2419 AC_DEFUN([LC_SRC_PAGEVEC_INIT_ONE_PARAM], [
2420 LB2_LINUX_TEST_SRC([pagevec_init], [
2421 #include <linux/pagevec.h>
2426 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2427 LB2_MSG_LINUX_TEST_RESULT([if 'pagevec_init' takes one parameter],
2429 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2430 ['pagevec_init' takes one parameter])
2432 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2437 # 4.14 replaced bi_bdev to bi_disk
2439 AC_DEFUN([LC_SRC_BI_BDEV], [
2440 LB2_LINUX_TEST_SRC([bi_bdev], [
2441 #include <linux/bio.h>
2443 ((struct bio *)0)->bi_bdev = NULL;
2446 AC_DEFUN([LC_BI_BDEV], [
2447 LB2_MSG_LINUX_TEST_RESULT([if 'bi_bdev' exist],
2449 AC_DEFINE(HAVE_BI_BDEV, 1, ['bi_bdev' is available])
2454 # LC_INTERVAL_TREE_CACHED
2456 # 4.14 f808c13fd3738948e10196496959871130612b61
2457 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2459 AC_DEFUN([LC_SRC_INTERVAL_TREE_CACHED], [
2460 LB2_LINUX_TEST_SRC([itree_cached], [
2461 #include <linux/interval_tree_generic.h>
2462 struct foo { struct rb_node rb; int last; int a,b;};
2463 #define START(n) ((n)->a)
2464 #define LAST(n) ((n)->b)
2465 struct rb_root_cached tree;
2466 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2467 START, LAST, , foo);
2469 foo_insert(NULL, &tree);
2472 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2473 LB2_MSG_LINUX_TEST_RESULT([if interval_trees use rb_tree_cached],
2475 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2476 [interval trees use rb_tree_cached])
2478 ]) # LC_INTERVAL_TREE_CACHED
2483 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2485 AC_DEFUN([LC_IS_ENCRYPTED], [
2486 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2488 #include <linux/fs.h>
2490 (void)IS_ENCRYPTED((struct inode *)1);
2492 has_is_encrypted="yes"
2494 ]) # LC_IS_ENCRYPTED used by LC_CONFIG_CRYPTO
2499 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2501 AC_DEFUN([LC_SRC_I_PAGES], [
2502 LB2_LINUX_TEST_SRC([i_pages], [
2503 #include <linux/fs.h>
2505 struct address_space mapping = {};
2508 i_pages = &mapping.i_pages;
2511 AC_DEFUN([LC_I_PAGES], [
2512 LB2_MSG_LINUX_TEST_RESULT([if struct address_space has i_pages],
2514 AC_DEFINE(HAVE_I_PAGES, 1, [struct address_space has i_pages])
2521 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2522 # mm: create the new vm_fault_t type
2524 AC_DEFUN([LC_SRC_VM_FAULT_T], [
2525 LB2_LINUX_TEST_SRC([vm_fault_t], [
2526 #include <linux/mm_types.h>
2528 vm_fault_t x = VM_FAULT_SIGBUS;
2532 AC_DEFUN([LC_VM_FAULT_T], [
2533 LB2_MSG_LINUX_TEST_RESULT([if vm_fault_t type exists],
2535 AC_DEFINE(HAVE_VM_FAULT_T, 1, [if vm_fault_t type exists])
2542 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2543 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2545 AC_DEFUN([LC_SRC_VM_FAULT_RETRY], [
2546 LB2_LINUX_TEST_SRC([VM_FAULT_RETRY], [
2547 #include <linux/mm.h>
2549 #ifndef VM_FAULT_RETRY
2555 AC_DEFUN([LC_VM_FAULT_RETRY], [
2556 LB2_MSG_LINUX_TEST_RESULT([if VM_FAULT_RETRY is defined],
2558 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2559 [if VM_FAULT_RETRY is defined])
2561 ]) # LC_VM_FAULT_RETRY
2564 # LC_ALLOC_FILE_PSEUDO
2566 # kernel 4.18-rc1 commit d93aa9d82aea80b80f225dbf9c7986df444d8106
2567 # new wrapper: alloc_file_pseudo()
2569 AC_DEFUN([LC_SRC_ALLOC_FILE_PSEUDO], [
2570 LB2_LINUX_TEST_SRC([alloc_file_pseudo], [
2571 #include <linux/file.h>
2574 file = alloc_file_pseudo(NULL, NULL, "[test]",
2578 AC_DEFUN([LC_ALLOC_FILE_PSEUDO], [
2579 LB2_MSG_LINUX_TEST_RESULT([if 'alloc_file_pseudo' is defined],
2580 [alloc_file_pseudo], [
2581 AC_DEFINE(HAVE_ALLOC_FILE_PSEUDO, 1,
2582 ['alloc_file_pseudo' exist])
2584 ]) # LC_ALLOC_FILE_PSEUDO
2587 # LC_INODE_TIMESPEC64
2589 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2590 # fs: add timespec64_truncate()
2591 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2592 # inode timestamps switched to timespec64
2593 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2594 # y2038: remove unused time interfaces
2598 # When inode times are timespec64 stop using the deprecated
2601 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2602 # fs: Delete timespec64_trunc()
2604 AC_DEFUN([LC_SRC_INODE_TIMESPEC64], [
2605 LB2_LINUX_TEST_SRC([inode_timespec64], [
2606 #include <linux/fs.h>
2608 struct inode *inode = NULL;
2609 struct timespec64 ts = {0, 1};
2611 inode->i_atime = ts;
2615 AC_DEFUN([LC_INODE_TIMESPEC64], [
2616 LB2_MSG_LINUX_TEST_RESULT([if inode timestamps are struct timespec64],
2617 [inode_timespec64], [
2618 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2619 [inode times are using timespec64])
2621 ]) # LC_INODE_TIMESPEC64
2624 # LC_RADIX_TREE_TAG_SET
2626 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2627 # xarray: Add XArray marks - replaced radix_tree_tag_set
2629 AC_DEFUN([LC_SRC_RADIX_TREE_TAG_SET], [
2630 LB2_LINUX_TEST_SRC([radix_tree_tag_set], [
2631 #include <linux/fs.h>
2632 #include <linux/radix-tree.h>
2634 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2637 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2638 LB2_MSG_LINUX_TEST_RESULT([if 'radix_tree_tag_set' exists],
2639 [radix_tree_tag_set], [
2640 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2641 [radix_tree_tag_set exists])
2643 ]) # LC_RADIX_TREE_TAG_SET
2646 # LC_UAPI_LINUX_MOUNT_H
2648 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2649 # vfs: Suppress MS_* flag defs within the kernel ...
2651 AC_DEFUN([LC_SRC_UAPI_LINUX_MOUNT_H], [
2652 LB2_LINUX_TEST_SRC([uapi_linux_mount], [
2653 #include <uapi/linux/mount.h>
2659 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2660 LB2_MSG_LINUX_TEST_RESULT([if MS_RDONLY was moved to uapi/linux/mount.h],
2661 [uapi_linux_mount], [
2662 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2663 [if MS_RDONLY was moved to uapi/linux/mount.h])
2665 ]) # LC_UAPI_LINUX_MOUNT_H
2668 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2670 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2671 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2673 # Now that the reader functions are all RCU protected, use a regular
2674 # spinlock rather than a reader/writer lock.
2676 AC_DEFUN([LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2677 LB2_LINUX_TEST_SRC([hash_lock_isa_spinlock_t], [
2678 #include <linux/sunrpc/cache.h>
2680 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2684 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2685 LB2_MSG_LINUX_TEST_RESULT([if cache_detail->hash_lock is a spinlock],
2686 [hash_lock_isa_spinlock_t], [
2687 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2688 [if cache_detail->hash_lock is a spinlock])
2690 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2693 # LC_GENL_FAMILY_HAS_RESV_START_OP
2695 # Linux v5.0-11693-g3b0f31f2b8c9
2696 # genetlink: make policy common to family
2698 AC_DEFUN([LC_SRC_GENL_FAMILY_HAS_RESV_START_OP], [
2699 LB2_LINUX_TEST_SRC([genl_family_has_resv_start_op], [
2700 #include <net/genetlink.h>
2702 static const struct genl_family family = {
2703 .resv_start_op = 42,
2708 AC_DEFUN([LC_GENL_FAMILY_HAS_RESV_START_OP], [
2709 LB2_MSG_LINUX_TEST_RESULT([if struct genl_family has resv_start_op member],
2710 [genl_family_has_resv_start_op], [
2711 AC_DEFINE(GENL_FAMILY_HAS_RESV_START_OP, 1,
2712 [struct genl_family has resv_start_op member])
2714 ]) # LC_GENL_FAMILY_HAS_RESV_START_OP
2717 # LC_HAVE_BVEC_ITER_ALL
2719 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2720 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2722 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER_ALL], [
2723 LB2_LINUX_TEST_SRC([struct_bvec_iter_all], [
2724 #include <linux/bvec.h>
2726 struct bvec_iter_all iter;
2730 AC_DEFUN([LC_HAVE_BVEC_ITER_ALL], [
2731 LB2_MSG_LINUX_TEST_RESULT([if bvec_iter_all exists for multi-page bvec iternation],
2732 [struct_bvec_iter_all], [
2733 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2734 [if bvec_iter_all exists for multi-page bvec iternation])
2736 ]) # LC_HAVE_BVEC_ITER_ALL
2739 # LC_ACCOUNT_PAGE_DIRTIED
2741 # After 5.2 kernel page dirtied is not exported
2743 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2744 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2745 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2746 [account_page_dirtied is exported])])
2747 ]) # LC_ACCOUNT_PAGE_DIRTIED
2750 # LC_KEYRING_SEARCH_4ARGS
2752 # Kernel 5.2 commit dcf49dbc8077
2753 # keys: Add a 'recurse' flag for keyring searches
2755 AC_DEFUN([LC_SRC_KEYRING_SEARCH_4ARGS], [
2756 LB2_LINUX_TEST_SRC([keyring_search_4args], [
2757 #include <linux/key.h>
2760 keyring_search(keyring, NULL, NULL, false);
2763 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2764 LB2_MSG_LINUX_TEST_RESULT([if 'keyring_search' has 4 args],
2765 [keyring_search_4args], [
2766 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2767 [keyring_search has 4 args])
2769 ]) # LC_KEYRING_SEARCH_4ARGS
2772 # LC_BIO_BI_PHYS_SEGMENTS
2774 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2775 # block: remove the bi_phys_segments field in struct bio
2777 AC_DEFUN([LC_SRC_BIO_BI_PHYS_SEGMENTS], [
2778 LB2_LINUX_TEST_SRC([bye_bio_bi_phys_segments], [
2779 #include <linux/bio.h>
2781 struct bio *bio = NULL;
2782 bio->bi_phys_segments++;
2785 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2786 LB2_MSG_LINUX_TEST_RESULT([if struct bio has bi_phys_segments member],
2787 [bye_bio_bi_phys_segments], [
2788 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2789 [struct bio has bi_phys_segments member])
2791 ]) # LC_BIO_BI_PHYS_SEGMENTS
2794 # LC_HAVE_FLUSH_DELAYED_FPUT
2796 # kernel commit v3.5-rc6-284-g4a9d4b024a31 adds flush_delayed_fput()
2797 # kernel commit v5.3-rc2-13-g7239a40ca8bf exports flush_delayed_fput()
2799 AC_DEFUN([LC_HAVE_FLUSH_DELAYED_FPUT], [
2800 LB_CHECK_EXPORT([flush_delayed_fput], [fs/file_table.c],
2801 [AC_DEFINE(HAVE_FLUSH_DELAYED_FPUT, 1,
2802 [flush_delayed_fput() is exported by the kernel])])
2803 ]) # LC_FLUSH_DELAYED_FPUT
2806 # LC_LM_COMPARE_OWNER_EXISTS
2808 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2809 # locks: Cleanup lm_compare_owner and lm_owner_key
2810 # removed lm_compare_owner
2812 AC_DEFUN([LC_SRC_LM_COMPARE_OWNER_EXISTS], [
2813 LB2_LINUX_TEST_SRC([lock_manager_ops_lm_compare_owner], [
2814 #include <linux/fs.h>
2816 struct lock_manager_operations lm_ops;
2817 lm_ops.lm_compare_owner = NULL;
2820 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2821 LB2_MSG_LINUX_TEST_RESULT([if lock_manager_operations has lm_compare_owner],
2822 [lock_manager_ops_lm_compare_owner], [
2823 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2824 [lock_manager_operations has lm_compare_owner])
2826 ]) # LC_LM_COMPARE_OWNER_EXISTS
2829 # LC_FSCRYPT_SUPPORT
2831 # 5.4 introduced fscrypt encryption policies v2
2833 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2834 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2836 #define __FS_HAS_ENCRYPTION 0
2837 #include <linux/fscrypt.h>
2839 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2841 has_fscrypt_support="yes"
2843 ]) # LC_FSCRYPT_SUPPORT used by LC_CONFIG_CRYPTO
2846 # LC_FSCRYPT_DIGESTED_NAME
2848 # Kernel 5.5-rc4 edc440e3d27fb31e6f9663cf413fad97d714c060
2849 # improved the format of no-key names. This results in the
2850 # removal of FSCRYPT_FNAME_DIGEST and FSCRYPT_FNAME_DIGEST_SIZE.
2852 AC_DEFUN([LC_SRC_FSCRYPT_DIGESTED_NAME], [
2853 LB2_LINUX_TEST_SRC([fscrypt_digested_name], [
2854 #include <linux/fscrypt.h>
2856 struct fscrypt_digested_name fname;
2861 AC_DEFUN([LC_FSCRYPT_DIGESTED_NAME], [
2862 LB2_MSG_LINUX_TEST_RESULT([if fscrypt has 'struct fscrypt_digested_name'],
2863 [fscrypt_digested_name], [
2864 AC_DEFINE(HAVE_FSCRYPT_DIGESTED_NAME, 1,
2865 ['struct fscrypt_digested_name' exists])
2867 ]) # LC_FSCRYPT_DIGESTED_NAME
2870 # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2872 # Kernel 5.7-rc7 ed318a6cc0b620440e65f48eb527dc3df7269ce4
2873 # replaces fscrypt_dummy_context_enabled() with
2874 # fscrypt_get_dummy_context(). Later kernels rename
2875 # fscrypt_get_dummy_context() to fscrypt_get_dummy_policy()
2876 # which is why we test fscrypt_dummy_context_enabled().
2878 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2879 LB2_LINUX_TEST_SRC([fscrypt_dummy_context_enabled], [
2880 #include <linux/fscrypt.h>
2882 fscrypt_dummy_context_enabled(NULL);
2885 AC_DEFUN([LC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2886 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_dummy_context_enabled() exists],
2887 [fscrypt_dummy_context_enabled], [
2888 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1,
2889 [fscrypt_dummy_context_enabled() exists])
2891 ]) # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2894 # LC_HAVE_KTHREAD_USE_MM
2896 # kernel 5.8 commit f5678e7f2ac31c270334b936352f0ef2fe7dd2b3
2897 # kernel: better document the use_mm/unuse_mm API contract
2899 AC_DEFUN([LC_SRC_HAVE_KTHREAD_USE_MM], [
2900 LB2_LINUX_TEST_SRC([kthread_use_mm], [
2901 #include <linux/kthread.h>
2903 kthread_use_mm(NULL);
2906 AC_DEFUN([LC_HAVE_KTHREAD_USE_MM], [
2907 AC_MSG_CHECKING([if have kthread_use_mm])
2908 LB2_LINUX_TEST_RESULT([kthread_use_mm], [
2909 AC_DEFINE(HAVE_KTHREAD_USE_MM, 1, ['kthread_use_mm' exists])
2911 ]) # LC_HAVE_KTHREAD_USE_MM
2914 # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2916 # Kernel 5.9-rc4 8b10fe68985278de4926daa56ad6af701839e40a
2917 # removed the inode parameter for the fscrypt function
2918 # fscrypt_fname_alloc_buffer()
2920 AC_DEFUN([LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2921 LB2_LINUX_TEST_SRC([fscrypt_fname_alloc_buffer], [
2922 #include <linux/fscrypt.h>
2924 fscrypt_fname_alloc_buffer(0, NULL);
2927 AC_DEFUN([LC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2928 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_fname_alloc_buffer() removed inode parameter],
2929 [fscrypt_fname_alloc_buffer], [
2930 AC_DEFINE(HAVE_FSCRYPT_FNAME_ALLOC_BUFFER_NO_INODE, 1,
2931 [fscrypt_fname_alloc_buffer() does not have inode parameter])
2933 ]) # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2936 # LC_FSCRYPT_SET_CONTEXT
2938 # Kernel 5.9-rc4 a992b20cd4ee360dbbe6f69339cb07146e4304d6
2939 # fscrypt_get_encryption_info() is not GFP_NOFS safe which
2940 # is used by fscrypt_inherit_context. Replace fscrypt_inherit_context,
2941 # with two new functions, fscrypt_prepare_new_inode() and
2942 # fscrypt_set_context()
2944 AC_DEFUN([LC_SRC_FSCRYPT_SET_CONTEXT], [
2945 LB2_LINUX_TEST_SRC([fscrypt_set_context], [
2946 #include <linux/fscrypt.h>
2948 fscrypt_set_context(NULL, NULL);
2949 fscrypt_prepare_new_inode(NULL, NULL, NULL);
2952 AC_DEFUN([LC_FSCRYPT_SET_CONTEXT], [
2953 LB2_MSG_LINUX_TEST_RESULT([if 'fscrypt_set_context()' exists],
2954 [fscrypt_set_context], [
2955 AC_DEFINE(HAVE_FSCRYPT_SET_CONTEXT, 1,
2956 [fscrypt_set_context() does exist])
2958 ]) # LC_FSCRYPT_SET_CONTEXT
2961 # LC_FSCRYPT_D_REVALIDATE
2963 # kernel 5.9-rc4 5b2a828b98ec1872799b1b4d82113c76a12d594f
2964 # exported fscrypt_d_revalidate()
2966 AC_DEFUN([LC_FSCRYPT_D_REVALIDATE], [
2967 LB_CHECK_EXPORT([fscrypt_d_revalidate], [fs/crypto/fname.c],
2968 [AC_DEFINE(HAVE_FSCRYPT_D_REVALIDATE, 1,
2969 [fscrypt_d_revalidate() is exported by the kernel])])
2970 ]) # LC_FSCRYPT_D_REVALIDATE
2973 # LC_FSCRYPT_NOKEY_NAME
2975 # kernel 5.9-rc4 70fb2612aab62d47e03f82eaa7384a8d30ca175d
2976 # renamed is_ciphertext_name to is_nokey_name
2978 AC_DEFUN([LC_SRC_FSCRYPT_NOKEY_NAME], [
2979 LB2_LINUX_TEST_SRC([fname_is_nokey_name], [
2980 #include <linux/fscrypt.h>
2982 struct fscrypt_name fname;
2984 fname.is_nokey_name = true;
2987 AC_DEFUN([LC_FSCRYPT_NOKEY_NAME], [
2988 LB2_MSG_LINUX_TEST_RESULT([if struct fscrypt_name has is_nokey_name field],
2989 [fname_is_nokey_name], [
2990 AC_DEFINE(HAVE_FSCRYPT_NOKEY_NAME, 1,
2991 [struct fscrypt_name has is_nokey_name field])
2993 ]) # LC_FSCRYPT_NOKEY_NAME
2996 # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
2997 # Kernel 5.9-rc4 c8c868abc91ff23f6f5c4444c419de7c277d77e1
2998 # changed fscrypt_set_test_dummy_encryption() take a 'const char *
3000 AC_DEFUN([LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3001 LB2_LINUX_TEST_SRC([fscrypt_set_test_dummy_encryption], [
3002 #include <linux/fscrypt.h>
3005 fscrypt_set_test_dummy_encryption(NULL, arg, NULL);
3008 AC_DEFUN([LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3009 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_set_test_dummy_encryption() take 'const char' parameter],
3010 [fscrypt_set_test_dummy_encryption], [
3011 AC_DEFINE(HAVE_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG, 1,
3012 [fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3014 ]) # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3017 # LC_FSCRYPT_DUMMY_POLICY
3019 # Kernel 5.9-rc4 ac4acb1f4b2b6b7e8d913537cccec8789903e164
3020 # move the test dummy context for fscrypt_policy which is
3021 # also used by the user land interface.
3023 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_POLICY], [
3024 LB2_LINUX_TEST_SRC([fscrypt_free_dummy_policy], [
3025 #include <linux/fscrypt.h>
3027 fscrypt_free_dummy_policy(NULL);
3030 AC_DEFUN([LC_FSCRYPT_DUMMY_POLICY], [
3031 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_free_dummy_policy() exists],
3032 [fscrypt_free_dummy_policy], [
3033 AC_DEFINE(HAVE_FSCRYPT_DUMMY_POLICY, 1,
3034 [fscrypt_free_dummy_policy() exists])
3036 ]) # LC_FSCRYPT_DUMMY_POLICY
3039 # LC_HAVE_ITER_FILE_SPLICE_WRITE
3041 # Linux commit v5.9-rc1-6-g36e2c7421f02
3042 # fs: don't allow splice read/write without explicit ops
3044 AC_DEFUN([LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE], [
3045 LB2_LINUX_TEST_SRC([iter_file_splice_write], [
3046 #include <linux/fs.h>
3048 (void)iter_file_splice_write(NULL, NULL, NULL, 1, 0);
3051 AC_DEFUN([LC_HAVE_ITER_FILE_SPLICE_WRITE], [
3052 LB2_MSG_LINUX_TEST_RESULT([if iter_file_splice_write() exists],
3053 [iter_file_splice_write], [
3054 AC_DEFINE(HAVE_ITER_FILE_SPLICE_WRITE, 1,
3055 ['iter_file_splice_write' exists])
3057 ]) # LC_HAVE_ITER_FILE_SPLICE_WRITE
3060 # LC_HAVE_BDI_DEBUG_STATS
3062 # Linux kernel v5.10 commit 2d146b924ec3c0873f06308d149684dc1105d9a3
3063 # backing-dev: no need to check return value of debugfs_create functions
3064 # backing_dev_info.debug_stats was remove.
3066 AC_DEFUN([LC_SRC_HAVE_BDI_DEBUG_STATS], [
3067 LB2_LINUX_TEST_SRC([bdi_has_debug_stats], [
3068 #include <linux/backing-dev-defs.h>
3070 struct backing_dev_info info;
3072 info.debug_stats = NULL;
3075 AC_DEFUN([LC_HAVE_BDI_DEBUG_STATS], [
3076 AC_MSG_CHECKING([if 'struct backing_dev_info' has 'debug_stats' field])
3077 LB2_LINUX_TEST_RESULT([bdi_has_debug_stats], [
3078 AC_DEFINE(HAVE_BDI_DEBUG_STATS, 1,
3079 [backing_dev_info has debug_stats])
3081 ]) # LC_HAVE_BDI_DEBUG_STATS
3084 # LC_FSCRYPT_IS_NOKEY_NAME
3086 # Kernel 5.10-rc4 159e1de201b6fca10bfec50405a3b53a561096a8
3087 # introduced fscrypt_is_nokey_name() inline macro. While
3088 # introduced for 5.10 kernels it was backported to earlier
3089 # Ubuntu kernels. Also it hides the change introduced due
3090 # to git commit 501e43fbe for kernel 5.9 which also was
3091 # backported to earlier Ubuntu kernels.
3093 AC_DEFUN([LC_SRC_FSCRYPT_IS_NOKEY_NAME], [
3094 LB2_LINUX_TEST_SRC([fscrypt_is_no_key_name], [
3095 #include <linux/fscrypt.h>
3097 fscrypt_is_nokey_name(NULL);
3100 AC_DEFUN([LC_FSCRYPT_IS_NOKEY_NAME], [
3101 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_is_no_key_name() exists],
3102 [fscrypt_is_no_key_name], [
3103 AC_DEFINE(HAVE_FSCRYPT_IS_NOKEY_NAME, 1,
3104 [fscrypt_is_nokey_name() exists])
3106 ]) # LC_FSCRYPT_IS_NOKEY_NAME
3109 # LC_FSCRYPT_PREPARE_READDIR
3111 # Kernel 5.10-rc4 ec0caa974cd092549ab282deb8ec7ea73b36eba0
3112 # replaced fscrypt_get_encryption_info() with
3113 # fscrypt_prepare_readdir()
3115 AC_DEFUN([LC_SRC_FSCRYPT_PREPARE_READDIR], [
3116 LB2_LINUX_TEST_SRC([fscrypt_prepare_readdir], [
3117 #include <linux/fscrypt.h>
3119 fscrypt_prepare_readdir(NULL);
3122 AC_DEFUN([LC_FSCRYPT_PREPARE_READDIR], [
3123 LB2_MSG_LINUX_TEST_RESULT([if fscrypt_prepare_readdir() exists],
3124 [fscrypt_prepare_readdir], [
3125 AC_DEFINE(HAVE_FSCRYPT_PREPARE_READDIR, 1,
3126 [fscrypt_prepare_readdir() exists])
3128 ]) # LC_FSCRYPT_PREPARE_READDIR
3133 # Linux: v5.11-rc5-9-g309dca309fc3
3134 # block: store a block_device pointer in struct bio
3135 # created bio_set_dev macro
3136 # Linux: v5.15-rc6-127-gcf6d6238cdd3
3137 # block: turn macro helpers into inline functions
3138 # created inline function(s).
3140 # Only provide a bio_set_dev it is is not proveded by the kernel
3142 AC_DEFUN([LC_SRC_BIO_SET_DEV], [
3143 LB2_LINUX_TEST_SRC([bio_set_dev], [
3144 #include <linux/bio.h>
3146 struct bio *bio = NULL;
3147 struct block_device *bdev = NULL;
3149 bio_set_dev(bio, bdev);
3152 AC_DEFUN([LC_BIO_SET_DEV], [
3153 LB2_MSG_LINUX_TEST_RESULT([if 'bio_set_dev' is available],
3155 AC_DEFINE(HAVE_BIO_SET_DEV, 1, ['bio_set_dev' is available])
3160 # LC_HAVE_USER_NAMESPACE_ARG
3162 # kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb
3163 # fs: make helpers idmap mount aware
3164 # Extend some inode methods with an additional user namespace argument.
3166 AC_DEFUN([LC_SRC_HAVE_USER_NAMESPACE_ARG], [
3167 LB2_LINUX_TEST_SRC([inode_ops_has_user_namespace_argument], [
3168 #include <linux/fs.h>
3170 ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
3174 AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
3175 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations' members have user namespace argument],
3176 [inode_ops_has_user_namespace_argument], [
3177 AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
3178 ['inode_operations' members have user namespace argument])
3180 ]) # LC_HAVE_USER_NAMESPACE_ARG
3183 # LC_HAVE_FILEATTR_GET
3185 # kernel 5.13 4c5b479975212065ef39786e115fde42847e95a9
3186 # vfs: add fileattr ops
3187 # Add inode operations to replace FS_IOC_[SG]ETFLAGS ioctl
3188 # The type signature of ->fileattr_set is not stable for the
3189 # first few iterations, so don't commit to a particular signature
3190 # here. Hopefully we will only want to support the final version.
3192 AC_DEFUN([LC_HAVE_FILEATTR_GET], [
3193 tmp_flags="$EXTRA_KCFLAGS"
3194 EXTRA_KCFLAGS="-Werror"
3195 LB_CHECK_COMPILE([if 'inode_operations' has fileattr_get (and fileattr_set)],
3197 #include <linux/fs.h>
3199 ((struct inode_operations *)1)->fileattr_get(NULL, NULL);
3201 AC_DEFINE(HAVE_FILEATTR_GET, 1,
3202 ['inode_operations' has fileattr_get and fileattr_set])
3204 EXTRA_KCFLAGS="$tmp_flags"
3205 ]) # LC_HAVE_FILEATTR_GET
3207 # LC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
3209 # Kernel 5.13 commit f0b65f39ac505e8f1dcdaa165aa7b8c0bd6fd454
3210 # iov_iter: replace iov_iter_copy_from_user_atomic() with iterator-advancing variant
3212 AC_DEFUN([LC_SRC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC], [
3213 LB2_LINUX_TEST_SRC([copy_page_from_iter_atomic], [
3214 #include <linux/uio.h>
3216 copy_page_from_iter_atomic(NULL, 0, 0, NULL);
3219 AC_DEFUN([LC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC], [
3220 AC_MSG_CHECKING([if have copy_page_from_iter_atomic])
3221 LB2_LINUX_TEST_RESULT([copy_page_from_iter_atomic], [
3222 AC_DEFINE(HAVE_COPY_PAGE_FROM_ITER_ATOMIC, 1,
3223 ['copy_page_from_iter_atomic' exists])
3225 ]) # LC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
3228 # LC_HAVE_GET_ACL_RCU_ARG
3230 # kernel 5.15 commit 0cad6246621b5887d5b33fea84219d2a71f2f99a
3231 # vfs: add rcu argument to ->get_acl() callback
3232 # Add a rcu argument to the ->get_acl() callback to allow
3233 # get_cached_acl_rcu() to call the ->get_acl() method.
3235 AC_DEFUN([LC_SRC_HAVE_GET_ACL_RCU_ARG], [
3236 LB2_LINUX_TEST_SRC([get_acl_rcu_argument], [
3237 #include <linux/fs.h>
3239 ((struct inode_operations *)1)->get_acl((struct inode *)NULL, 0, false);
3242 AC_DEFUN([LC_HAVE_GET_ACL_RCU_ARG], [
3243 LB2_MSG_LINUX_TEST_RESULT([if 'get_acl' has a rcu argument],
3244 [get_acl_rcu_argument], [
3245 AC_DEFINE(HAVE_GET_ACL_RCU_ARG, 1,
3246 ['get_acl' has a rcu argument])
3248 ]) # LC_HAVE_GET_ACL_RCU_ARG
3250 # LC_HAVE_FAULT_IN_IOV_ITER_READABLE
3252 # Kernel 5.15 commit a6294593e8a1290091d0b078d5d33da5e0cd3dfe
3253 # iov_iter: Turn iov_iter_fault_in_readable into fault_in_iov_iter_readable
3255 AC_DEFUN([LC_SRC_HAVE_FAULT_IN_IOV_ITER_READABLE], [
3256 LB2_LINUX_TEST_SRC([fault_in_iov_iter_readable], [
3257 #include <linux/uio.h>
3259 fault_in_iov_iter_readable(NULL, 0);
3262 AC_DEFUN([LC_HAVE_FAULT_IN_IOV_ITER_READABLE], [
3263 AC_MSG_CHECKING([if have fault_in_iov_iter_readable])
3264 LB2_LINUX_TEST_RESULT([fault_in_iov_iter_readable], [
3265 AC_DEFINE(HAVE_FAULT_IN_IOV_ITER_READABLE, 1,
3266 ['fault_in_iov_iter_readable' exists])
3268 ]) # LC_HAVE_FAULT_IN_IOV_ITER_READABLE
3271 # LC_HAVE_INVALIDATE_LOCK
3273 # Kernel version v5.15-rc1 commit 730633f0b7f951726e87f912a6323641f674ae34
3274 # mm: Protect operations adding pages to page cache with invalidate_lock
3276 AC_DEFUN([LC_HAVE_INVALIDATE_LOCK], [
3277 tmp_flags="$EXTRA_KCFLAGS"
3278 EXTRA_KCFLAGS="-Werror"
3279 LB_CHECK_COMPILE([if have address_space have invalidate_lock member],
3280 address_space_invalidate_lock, [
3281 #include <linux/fs.h>
3283 struct address_space *mapping = NULL;
3285 filemap_invalidate_lock(mapping);
3287 AC_DEFINE(HAVE_INVALIDATE_LOCK, 1,
3288 [address_space invalidate_lock member exists])
3290 EXTRA_KCFLAGS="$tmp_flags"
3291 ]) # LC_HAVE_INVALIDATE_LOCK
3294 # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3296 # Linux v5.15-rc1-20-g15bf32398ad4
3297 # security: Return xattr name from security_dentry_init_security()
3299 AC_DEFUN([LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3300 LB2_LINUX_TEST_SRC([security_dentry_init_security_xattr_name_arg], [
3301 #include <linux/security.h>
3303 struct dentry *dentry = NULL;
3305 const struct qstr *name = NULL;
3306 const char *xattr_name = NULL;
3309 int rc = security_dentry_init_security(dentry, mode, name, &xattr_name,
3315 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3316 LB2_MSG_LINUX_TEST_RESULT([if security_dentry_init_security() returns xattr name],
3317 [security_dentry_init_security_xattr_name_arg], [
3318 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG, 1,
3319 [security_dentry_init_security() returns xattr name])
3321 ]) # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3324 # LC_HAVE_KIOCB_COMPLETE_2ARGS
3326 # kernel v5.15-rc6-145-g6b19b766e8f0
3327 # fs: get rid of the res2 iocb->ki_complete argument
3329 AC_DEFUN([LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS], [
3330 LB2_LINUX_TEST_SRC([kiocb_ki_complete_2args], [
3331 #include <linux/fs.h>
3333 static void complete_fn(struct kiocb *iocb, long ret)
3339 struct kiocb *kio = NULL;
3341 kio->ki_complete = complete_fn;
3344 AC_DEFUN([LC_HAVE_KIOCB_COMPLETE_2ARGS], [
3345 LB2_MSG_LINUX_TEST_RESULT([if kiocb->ki_complete() has 2 arguments],
3346 [kiocb_ki_complete_2args], [
3347 AC_DEFINE(HAVE_KIOCB_COMPLETE_2ARGS, 1,
3348 [kiocb->ki_complete() has 2 arguments])
3350 ]) # LC_HAVE_KIOCB_COMPLETE_2ARGS
3353 # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3355 # Linux commit v5.16-rc4-44-g452e9e6992fe
3356 # filemap: Add filemap_remove_folio and __filemap_remove_folio
3358 # Also removes the export of delete_from_page_cache
3360 AC_DEFUN([LC_EXPORTS_DELETE_FROM_PAGE_CACHE], [
3361 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
3362 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
3363 [delete_from_page_cache is exported])])
3364 ]) # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3368 # LC_HAVE_WB_STAT_MOD
3370 # Kernel 5.16-rc1 bd3488e7b4d61780eb3dfaca1cc6f4026bcffd48
3371 # mm/writeback: Rename __add_wb_stat() to wb_stat_mod()
3373 AC_DEFUN([LC_HAVE_WB_STAT_MOD], [
3374 tmp_flags="$EXTRA_KCFLAGS"
3375 EXTRA_KCFLAGS="-Werror"
3376 LB_CHECK_COMPILE([if wb_stat_mod() exists],
3378 #include <linux/backing-dev.h>
3380 wb_stat_mod(NULL, WB_WRITEBACK, 1);
3382 AC_DEFINE(HAVE_WB_STAT_MOD, 1,
3383 [wb_stat_mod() exists])
3385 EXTRA_KCFLAGS="$tmp_flags"
3386 ]) # LC_HAVE_WB_STAT_MOD
3389 # LC_HAVE_INVALIDATE_FOLIO
3391 # linux commit v5.17-rc4-10-g128d1f8241d6
3392 # fs: Add invalidate_folio() aops method
3394 AC_DEFUN([LC_SRC_HAVE_INVALIDATE_FOLIO], [
3395 LB2_LINUX_TEST_SRC([address_spaace_operaions_invalidate_folio], [
3396 #include <linux/fs.h>
3398 struct address_space_operations *aops = NULL;
3399 struct folio *folio = NULL;
3400 aops->invalidate_folio(folio, 0, PAGE_SIZE);
3404 AC_DEFUN([LC_HAVE_INVALIDATE_FOLIO], [
3405 LB2_MSG_LINUX_TEST_RESULT([if have address_spaace_operaions->invalidate_folio() member],
3406 [address_spaace_operaions_invalidate_folio], [
3407 AC_DEFINE(HAVE_INVALIDATE_FOLIO, 1,
3408 [address_spaace_operaions->invalidate_folio() member exists])
3410 ]) # LC_HAVE_INVALIDATE_FOLIO
3413 # LC_HAVE_DIRTY_FOLIO
3415 # linux commit v5.17-rc4-38-g6f31a5a261db
3416 # fs: Add aops->dirty_folio
3417 # ... replaces ->set_page_dirty() with ->dirty_folio()
3419 AC_DEFUN([LC_SRC_HAVE_DIRTY_FOLIO], [
3420 LB2_LINUX_TEST_SRC([address_spaace_operaions_dirty_folio], [
3421 #include <linux/fs.h>
3423 struct address_space_operations *aops = NULL;
3424 struct address_space *mapping = NULL;
3425 struct folio *folio = NULL;
3426 bool dirty = aops->dirty_folio(mapping, folio);
3430 AC_DEFUN([LC_HAVE_DIRTY_FOLIO], [
3431 LB2_MSG_LINUX_TEST_RESULT([if have address_spaace_operaions->dirty_folio() member],
3432 [address_spaace_operaions_dirty_folio], [
3433 AC_DEFINE(HAVE_DIRTY_FOLIO, 1,
3434 [address_spaace_operaions->dirty_folio() member exists])
3436 ]) # LC_HAVE_DIRTY_FOLIO
3439 # LC_HAVE_ALLOC_INODE_SB
3441 # linux commit v5.17-49-g8b9f3ac5b01d
3442 # fs: introduce alloc_inode_sb() to allocate filesystems specific inode
3444 AC_DEFUN([LC_SRC_HAVE_ALLOC_INODE_SB], [
3445 LB2_LINUX_TEST_SRC([alloc_inode_sb], [
3446 #include <linux/fs.h>
3448 struct super_block *sb = NULL;
3449 struct kmem_cache *cache = NULL;
3451 (void)alloc_inode_sb(sb, cache, GFP_NOFS);
3454 AC_DEFUN([LC_HAVE_ALLOC_INODE_SB], [
3455 LB2_MSG_LINUX_TEST_RESULT([if alloc_inode_sb() exists],
3457 AC_DEFINE(HAVE_ALLOC_INODE_SB, 1,
3458 [alloc_inode_sb() exists])
3460 ]) # LC_HAVE_ALLOC_INODE_SB
3463 # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3465 # Linux commit v5.18-rc5-221-gb7446e7cf15f
3466 # fs: Remove aop flags parameter from grab_cache_page_write_begin()
3468 AC_DEFUN([LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3469 LB2_LINUX_TEST_SRC([grab_cache_page_write_begin_with_flags], [
3470 #include <linux/pagemap.h>
3472 struct address_space *mapping = NULL;
3473 (void)grab_cache_page_write_begin(mapping, 0, 1);
3476 AC_DEFUN([LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3477 LB2_MSG_LINUX_TEST_RESULT([if grab_cache_page_write_begin() has flags argument],
3478 [grab_cache_page_write_begin_with_flags], [
3479 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS, 1,
3480 [grab_cache_page_write_begin() has flags argument])
3482 ]) # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3485 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3487 # Linux commit v5.18-rc5-241-g5efe7448a142
3488 # fs: Introduce aops->read_folio
3490 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3491 LB2_LINUX_TEST_SRC([address_space_operations_read_folio], [
3492 #include <linux/fs.h>
3494 struct address_space_operations *aops = NULL;
3495 struct file *file = NULL;
3496 struct folio *folio = NULL;
3497 int err = aops->read_folio(file, folio);
3501 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3502 LB2_MSG_LINUX_TEST_RESULT([if struct address_space_operations() has read_folio()],
3503 [address_space_operations_read_folio], [
3504 AC_DEFINE(HAVE_AOPS_READ_FOLIO, 1,
3505 [struct address_space_operations() has read_folio()])
3507 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3510 # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3512 # Linux commit v5.18-rc5-280-ge9b5b23e957e
3513 # fs: Change the type of filler_t
3515 AC_DEFUN([LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3516 LB2_LINUX_TEST_SRC([read_cache_page_filler_with_file], [
3517 #include <linux/pagemap.h>
3518 static inline int _filler(struct file *file, struct folio *f)
3523 struct address_space *mapping = NULL;
3524 struct file *file = NULL;
3525 struct page *page = read_cache_page(mapping, 0, _filler, file);
3529 AC_DEFUN([LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3530 LB2_MSG_LINUX_TEST_RESULT([if read_cache_page() filler_t needs struct file],
3531 [read_cache_page_filler_with_file], [
3532 AC_DEFINE(HAVE_READ_CACHE_PAGE_WANTS_FILE, 1,
3533 [read_cache_page() filler_t needs struct file])
3535 ]) # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3538 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3540 # Linux commit v5.18-rc5-282-gfa29000b6b26
3541 # fs: Add aops->release_folio
3543 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3544 LB2_LINUX_TEST_SRC([address_space_operations_release_folio], [
3545 #include <linux/fs.h>
3547 struct address_space_operations *aops = NULL;
3548 struct folio *folio = NULL;
3549 int err = aops->release_folio(folio, GFP_KERNEL);
3553 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3554 LB2_MSG_LINUX_TEST_RESULT([if struct address_space_operations() has release_folio()],
3555 [address_space_operations_release_folio], [
3556 AC_DEFINE(HAVE_AOPS_RELEASE_FOLIO, 1,
3557 [struct address_space_operations() has release_folio()])
3559 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3562 # LC_HAVE_LSMCONTEXT_INIT
3564 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3565 # kernel linux-hwe-5.19 commit fef1deb99dad87dd700afae76b35c5b5750e33a8
3566 # LSM: Removed scaffolding function lsmcontext_init
3568 AC_DEFUN([LC_SRC_HAVE_LSMCONTEXT_INIT], [
3569 LB2_LINUX_TEST_SRC([lsmcontext_init], [
3570 #include <linux/security.h>
3572 struct lsmcontext ctx = {};
3574 lsmcontext_init(&ctx, "", 0, 0);
3577 AC_DEFUN([LC_HAVE_LSMCONTEXT_INIT], [
3578 LB2_MSG_LINUX_TEST_RESULT([if lsmcontext_init is available],
3579 [lsmcontext_init], [
3580 AC_DEFINE(HAVE_LSMCONTEXT_INIT, 1,
3581 [lsmcontext_init is available])
3583 ]) # LC_HAVE_LSMCONTEXT_INIT
3586 # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3588 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3589 # kernel linux-hwe-5.19 commit 57d0004bc811254916be30f94c86d9607867deb0
3590 # LSM: Use lsmcontext in security_dentry_init_security
3592 AC_DEFUN([LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3593 LB2_LINUX_TEST_SRC([security_dentry_init_security_with_ctx], [
3594 #include <linux/security.h>
3596 struct dentry *dentry = NULL;
3597 const struct qstr *name = NULL;
3598 struct lsmcontext *ctx = NULL;
3599 const char *xattr_name = "";
3601 (void)security_dentry_init_security(dentry, 0, name,
3605 AC_DEFUN([LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3606 LB2_MSG_LINUX_TEST_RESULT([if security_dentry_init_security needs lsmcontext],
3607 [security_dentry_init_security_with_ctx], [
3608 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX, 1,
3609 [security_dentry_init_security needs lsmcontext])
3611 ]) # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3616 # Linux commit v5.19-rc2-6-g868941b14441
3617 # fs: remove no_llseek
3619 AC_DEFUN([LC_SRC_HAVE_NO_LLSEEK], [
3620 LB2_LINUX_TEST_SRC([no_llseek], [
3621 #include <linux/fs.h>
3623 static const struct file_operations fops = {
3624 .llseek = &no_llseek,
3629 AC_DEFUN([LC_HAVE_NO_LLSEEK], [
3630 LB2_MSG_LINUX_TEST_RESULT([if no_llseek() is available],
3632 AC_DEFINE(HAVE_NO_LLSEEK, 1, [no_llseek() is available])
3634 ]) # LC_HAVE_NO_LLSEEK
3637 # LC_DQUOT_TRANSFER_WITH_USER_NS
3639 # Linux commit v5.19-rc3-6-g71e7b535b890
3640 # quota: port quota helpers mount ids
3642 AC_DEFUN([LC_SRC_DQUOT_TRANSFER_WITH_USER_NS], [
3643 LB2_LINUX_TEST_SRC([dquot_transfer], [
3644 #include <linux/quotaops.h>
3646 struct user_namespace *userns = NULL;
3647 struct inode *inode = NULL;
3648 struct iattr *iattr = NULL;
3649 int err __attribute__ ((unused));
3651 err = dquot_transfer(userns, inode, iattr);
3654 AC_DEFUN([LC_DQUOT_TRANSFER_WITH_USER_NS], [
3655 LB2_MSG_LINUX_TEST_RESULT([if dquot_transfer() has user_ns argument],
3657 AC_DEFINE(HAVE_DQUOT_TRANSFER_WITH_USER_NS, 1,
3658 [dquot_transfer() has user_ns argument])
3660 ]) # LC_DQUOT_TRANSFER_WITH_USER_NS
3663 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3665 # Linux commit v5.19-rc3-392-g5490da4f06d1
3666 # fs: Add aops->migrate_folio
3668 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3669 LB2_LINUX_TEST_SRC([address_space_operations_migrate_folio], [
3670 #include <linux/fs.h>
3672 struct address_space_operations *aops = NULL;
3673 struct address_space *m = NULL;
3674 struct folio *src = NULL;
3675 struct folio *dst = NULL;
3676 int err = aops->migrate_folio(m, dst, src, MIGRATE_ASYNC);
3680 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3681 LB2_MSG_LINUX_TEST_RESULT([if struct address_space_operations() has migrate_folio()],
3682 [address_space_operations_migrate_folio], [
3683 AC_DEFINE(HAVE_AOPS_MIGRATE_FOLIO, 1,
3684 [struct address_space_operations() has migrate_folio()])
3686 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3689 # LC_REGISTER_SHRINKER_FORMAT_NAMED
3691 # Linux commit v5.19-rc4-52-ge33c267ab70d
3692 # mm: shrinkers: provide shrinkers with names
3694 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED], [
3695 LB2_LINUX_TEST_SRC([register_shrinker_format], [
3696 #include <linux/mm.h>
3698 if (register_shrinker(NULL, "lustre-%ps", __func__))
3699 unregister_shrinker(NULL);
3702 AC_DEFUN([LC_REGISTER_SHRINKER_FORMAT_NAMED], [
3703 LB2_MSG_LINUX_TEST_RESULT([if register_shrinker() returns status],
3704 [register_shrinker_format], [
3705 AC_DEFINE(HAVE_REGISTER_SHRINKER_FORMAT_NAMED, 1,
3706 [register_shrinker() returns status])
3708 ]) # LC_REGISTER_SHRINKER_FORMAT_NAMED
3711 # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3713 # From Linux commit v5.19-rc5-17-g0c5fd887d2bb
3714 # acl: move idmapped mount fixup into vfs_{g,s}etxattr()
3715 # Until Linux commit v6.0-rc3-6-g6344e66970c6
3716 # xattr: constify value argument in vfs_setxattr()
3718 AC_DEFUN([LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3719 LB2_LINUX_TEST_SRC([vfs_setxattr_non_const_value_arg], [
3720 #include <linux/xattr.h>
3722 struct dentry *de = NULL;
3723 const char *name = "an.xattr";
3724 const void *value = NULL;
3725 int err = vfs_setxattr(&init_user_ns, de, name, value, 0, 0);
3728 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3729 AC_DEFUN([LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3730 LB2_MSG_LINUX_TEST_RESULT([if vfs_setxattr() value argument is non-const],
3731 [vfs_setxattr_non_const_value_arg], [
3732 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3734 [vfs_setxattr() value argument is const void *])
3736 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3737 [((void *)(value))],
3738 [vfs_setxattr() value argument is non-const])
3740 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3743 # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3745 # Linux commit v5.19-10313-geba2d3d79829
3746 # get rid of non-advancing variants
3748 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3749 LB2_LINUX_TEST_SRC([iov_iter_get_pages_alloc2], [
3750 #include <linux/uio.h>
3752 struct iov_iter *iter = NULL;
3753 struct page ***pages = NULL;
3756 size_t result __attribute__ ((unused));
3757 result = iov_iter_get_pages_alloc2(iter, pages, maxsize, &start);
3760 AC_DEFUN([LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3761 LB2_MSG_LINUX_TEST_RESULT([if iov_iter_get_pages_alloc2() is available],
3762 [iov_iter_get_pages_alloc2], [
3763 AC_DEFINE(HAVE_IOV_ITER_GET_PAGES_ALLOC2, 1,
3764 [iov_iter_get_pages_alloc2() is available])
3766 ]) # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3769 # LC_HAVE_GET_RANDOM_U32_AND_U64
3771 # Linux commit v4.10-rc3-6-gc440408cf690
3772 # random: convert get_random_int/long into get_random_u32/u64
3773 # Linux commit v6.0-11338-gde492c83cae0
3774 # prandom: remove unused functions
3776 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_AND_U64], [
3777 LB2_LINUX_TEST_SRC([get_random_u32_and_u64], [
3778 #include <linux/random.h>
3780 u32 rand32 = get_random_u32();
3781 u64 rand64 = get_random_u64();
3786 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_AND_U64], [
3787 LB2_MSG_LINUX_TEST_RESULT([if get_random_u32() and get_random_u64() are available],
3788 [get_random_u32_and_u64], [
3789 AC_DEFINE(HAVE_GET_RANDOM_U32_AND_U64, 1,
3790 [get_random_[u32|u64] are available])
3792 AC_DEFINE([get_random_u32()], [prandom_u32()],
3793 [get_random_u32() is not available, use prandom_u32])
3795 ]) # LC_HAVE_GET_RANDOM_U32_AND_U64
3798 # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3800 # Linux commit v6.0-rc1-2-g25885a35a720
3801 # Change calling conventions for filldir_t
3803 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3804 LB2_LINUX_TEST_SRC([filldir_ctx_return_bool], [
3805 #include <linux/fs.h>
3807 bool filldir(struct dir_context *ctx, const char* name,
3808 int i, loff_t off, u64 tmp, unsigned temp)
3813 struct dir_context ctx = {
3817 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
3820 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3821 LB2_MSG_LINUX_TEST_RESULT([if filldir_t uses struct dir_context and returns bool],
3822 [filldir_ctx_return_bool], [
3823 AC_DEFINE(HAVE_FILLDIR_USE_CTX_RETURN_BOOL, 1,
3824 [filldir_t needs struct dir_context and returns bool])
3825 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
3826 [filldir_t needs struct dir_context as argument])
3827 AC_DEFINE(FILLDIR_TYPE, bool,
3828 [filldir_t return type is bool or int])
3830 AC_DEFINE(FILLDIR_TYPE, int,
3831 [filldir_t return type is bool or int])
3833 ]) # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3836 # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3838 # Linux commit v6.0-rc3-94-g35b471467f88
3839 # filemap: add filemap_get_folios_contig()
3841 AC_DEFUN([LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3842 LB2_LINUX_TEST_SRC([filemap_get_folios_contig], [
3843 #include <linux/pagemap.h>
3845 struct address_space *m = NULL;
3847 struct folio_batch *fbatch = NULL;
3848 (void)filemap_get_folios_contig(m, &start, ULONG_MAX, fbatch);
3851 AC_DEFUN([LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3852 LB2_MSG_LINUX_TEST_RESULT([if filemap_get_folios_contig() is available],
3853 [filemap_get_folios_contig], [
3854 AC_DEFINE(HAVE_FILEMAP_GET_FOLIOS_CONTIG, 1,
3855 [filemap_get_folios_contig() is available])
3857 ]) # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3860 # LC_HAVE_GET_RANDOM_U32_BELOW
3862 # Linux commit v6.1-13825-g3c202d14a9d7
3863 # prandom: remove prandom_u32_max()
3865 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_BELOW], [
3866 LB2_LINUX_TEST_SRC([get_random_u32_below], [
3867 #include <linux/random.h>
3869 u32 rand32 = get_random_u32_below(99);
3873 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_BELOW], [
3874 LB2_MSG_LINUX_TEST_RESULT([if get_random_u32_below()is available],
3875 [get_random_u32_below], [
3876 AC_DEFINE(HAVE_GET_RANDOM_U32_BELOW, 1,
3877 [get_random_u32_below() is available])
3879 AC_DEFINE([get_random_u32_below(v)], [prandom_u32_max(v)],
3880 [get_random_u32_below() is not available])
3882 ]) # LC_HAVE_GET_RANDOM_U32_BELOW
3885 # LC_HAVE_ACL_WITH_DENTRY
3887 # Linux commit v6.1-rc1-2-g138060ba92b3
3888 # fs: pass dentry to set acl method
3889 # Linux commit v6.1-rc1-4-g7420332a6ff4
3890 # fs: add new get acl method
3892 AC_DEFUN([LC_SRC_HAVE_ACL_WITH_DENTRY], [
3893 LB2_LINUX_TEST_SRC([acl_with_dentry], [
3894 #include <linux/fs.h>
3896 struct dentry *dentry = NULL;
3898 ((struct inode_operations *)1)->get_acl(NULL, dentry, 0);
3902 AC_DEFUN([LC_HAVE_ACL_WITH_DENTRY], [
3903 LB2_MSG_LINUX_TEST_RESULT([if 'get_acl' and 'set_acl' use dentry argument],
3904 [acl_with_dentry], [
3905 AC_DEFINE(HAVE_ACL_WITH_DENTRY, 1,
3906 ['get_acl' and 'set_acl' use dentry argument])
3908 ]) # LC_HAVE_ACL_WITH_DENTRY
3911 # LC_HAVE_U64_CAPABILITY
3913 # linux kernel v6.2-13111-gf122a08b197d
3914 # capability: just use a 'u64' instead of a 'u32[2]' array
3916 AC_DEFUN([LC_SRC_HAVE_U64_CAPABILITY], [
3917 LB2_LINUX_TEST_SRC([kernel_cap_t_has_u64_value], [
3918 #include <linux/cred.h>
3919 #include <linux/capability.h>
3921 kernel_cap_t cap __attribute__ ((unused));
3922 cap.val = 0xffffffffffffffffull;
3925 AC_DEFUN([LC_HAVE_U64_CAPABILITY], [
3926 LB2_MSG_LINUX_TEST_RESULT([if 'kernel_cap_t' has u64 val],
3927 [kernel_cap_t_has_u64_value], [
3928 AC_DEFINE(HAVE_U64_CAPABILITY, 1,
3929 ['kernel_cap_t' has u64 val])
3931 ]) # LC_HAVE_U64_CAPABILITY
3934 # LC_HAVE_MNT_IDMAP_ARG
3936 # linux kernel v6.2-rc1-4-gb74d24f7a74f
3937 # fs: port ->getattr() to pass mnt_idmap
3938 # linux kernel v6.2-rc1-3-gc1632a0f1120
3939 # fs: port ->setattr() to pass mnt_idmap
3941 AC_DEFUN([LC_SRC_HAVE_MNT_IDMAP_ARG], [
3942 LB2_LINUX_TEST_SRC([inode_ops_getattr_has_mnt_idmap_argument], [
3943 #include <linux/mount.h>
3944 #include <linux/fs.h>
3946 ((struct inode_operations *)1)->getattr((struct mnt_idmap *)NULL,
3950 AC_DEFUN([LC_HAVE_MNT_IDMAP_ARG], [
3951 LB2_MSG_LINUX_TEST_RESULT([if 'inode_operations' members have mnt_idmap argument],
3952 [inode_ops_getattr_has_mnt_idmap_argument], [
3953 AC_DEFINE(HAVE_MNT_IDMAP_ARG, 1,
3954 ['inode_operations' members have mnt_idmap argument])
3955 AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
3956 [use mnt_idmap in place of user_namespace argument])
3957 AC_DEFINE(HAVE_DQUOT_TRANSFER_WITH_USER_NS, 1,
3958 [use mnt_idmap with dquot_transfer])
3960 ]) # LC_HAVE_MNT_IDMAP_ARG
3963 # LC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK
3965 # Linux commit v6.2-rc3-9-g5970e15dbcfe
3966 # filelock: move file locking definitions to separate header file
3968 AC_DEFUN([LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK], [
3969 LB2_LINUX_TEST_SRC([locks_lock_file_wait_in_filelock], [
3970 #include <linux/filelock.h>
3972 locks_lock_file_wait(NULL, NULL);
3975 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK], [
3976 LB2_MSG_LINUX_TEST_RESULT([if 'locks_lock_file_wait' exists in filelock.h],
3977 [locks_lock_file_wait_in_filelock], [
3978 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
3979 [kernel has locks_lock_file_wait in filelock.h])
3980 AC_DEFINE(HAVE_LINUX_FILELOCK_HEADER, 1,
3981 [linux/filelock.h is present])
3983 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK
3988 # Lustre linux kernel checks
3990 AC_DEFUN([LC_PROG_LINUX_SRC], [
3991 AS_IF([test "x$enable_gss" != xno], [
3992 LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS
3993 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_MD5])
3994 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA1])
3995 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA256])
3996 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA512])
3998 AS_IF([test "x$enable_server" != xno], [
4002 LC_SRC_CONFIG_FHANDLE
4003 LC_SRC_POSIX_ACL_CONFIG
4004 LC_SRC_HAVE_PROJECT_QUOTA
4007 LC_SRC_INVALIDATE_RANGE
4008 LC_SRC_HAVE_DIR_CONTEXT
4009 LC_SRC_D_COMPARE_5ARGS
4011 LC_SRC_PID_NS_FOR_CHILDREN
4014 LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE
4015 LC_SRC_PTR_ERR_OR_ZERO_MISSING
4016 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST
4017 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
4018 LC_SRC_HAVE_DENTRY_D_CHILD
4019 LC_SRC_KIOCB_KI_LEFT
4020 LC_SRC_REGISTER_SHRINKER_RET
4023 LC_SRC_VFS_RENAME_5ARGS
4024 LC_SRC_VFS_UNLINK_3ARGS
4025 LC_SRC_HAVE_D_IS_POSITIVE
4028 LC_SRC_HAVE_BVEC_ITER
4029 LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL
4030 LC_SRC_IOPS_RENAME_WITH_FLAGS
4034 LC_SRC_VFS_RENAME_6ARGS
4037 LC_SRC_DIRECTIO_USE_ITER
4038 LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION
4039 LC_SRC_HAVE_IOV_ITER_TRUNCATE
4040 LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
4041 LC_SRC_PAGECACHE_GET_PAGE
4044 LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY
4045 LC_SRC_KEY_MATCH_DATA
4046 LC_SRC_HAVE_BLK_INTEGRITY_ITER
4049 LC_SRC_NFS_FILLDIR_USE_CTX
4050 LC_SRC_PERCPU_COUNTER_INIT
4053 LC_SRC_KIOCB_HAS_NBYTES
4054 LC_SRC_HAVE_DQUOT_QC_DQBLK
4055 LC_SRC_HAVE_AIO_COMPLETE
4056 LC_SRC_HAVE_IS_ROOT_INODE
4059 LC_SRC_BACKING_DEV_INFO_REMOVAL
4063 LC_SRC_HAVE___BI_CNT
4066 LC_SRC_BIO_ENDIO_USES_ONE_ARG
4067 LC_SRC_SYMLINK_OPS_USE_NAMEIDATA
4068 LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS
4069 LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER
4072 LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
4073 LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
4074 LC_SRC_HAVE_CACHE_HEAD_HLIST
4075 LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED
4078 LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT
4079 LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY
4080 LC_SRC_HAVE_XATTR_HANDLER_NAME
4081 LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
4083 LC_SRC_HAVE_SUBMIT_BIO_2ARGS
4084 LC_SRC_HAVE_CLEAN_BDEV_ALIASES
4087 LC_SRC_HAVE_FILE_DENTRY
4090 LC_SRC_HAVE_INODE_LOCK
4091 LC_SRC_HAVE_IOP_GET_LINK
4092 LC_SRC_HAVE_IN_COMPAT_SYSCALL
4093 LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM
4094 LC_SRC_LOCK_PAGE_MEMCG
4095 LC_SRC_HAVE_DOWN_WRITE_KILLABLE
4100 LC_SRC_DIRECTIO_2ARGS
4101 LC_SRC_GENERIC_WRITE_SYNC_2ARGS
4102 LC_SRC_FOP_ITERATE_SHARED
4105 LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS
4106 LC_SRC_D_COMPARE_4ARGS
4107 LC_SRC_FULL_NAME_HASH_3ARGS
4108 LC_SRC_STRUCT_POSIX_ACL_XATTR
4112 LC_SRC_GROUP_INFO_GID
4114 LC_SRC_POSIX_ACL_UPDATE_MODE
4115 LC_SRC_HAVE_BDI_IO_PAGES
4118 LC_SRC_IOP_GENERIC_READLINK
4119 LC_SRC_HAVE_VM_FAULT_ADDRESS
4122 LC_SRC_INODEOPS_ENHANCED_GETATTR
4123 LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG
4124 LC_SRC_HAVE_KEY_USAGE_REFCOUNT
4125 LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128
4129 LC_SRC_SUPER_SETUP_BDI_NAME
4133 LC_SRC_HAVE_GET_INODE_USAGE
4136 LC_SRC_PAGEVEC_INIT_ONE_PARAM
4138 LC_SRC_INTERVAL_TREE_CACHED
4142 LC_SRC_VM_FAULT_RETRY
4146 LC_SRC_INODE_TIMESPEC64
4147 LC_SRC_ALLOC_FILE_PSEUDO
4150 LC_SRC_RADIX_TREE_TAG_SET
4151 LC_SRC_UAPI_LINUX_MOUNT_H
4152 LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
4155 LC_SRC_GENL_FAMILY_HAS_RESV_START_OP
4158 LC_SRC_HAVE_BVEC_ITER_ALL
4161 LC_SRC_KEYRING_SEARCH_4ARGS
4164 LC_SRC_BIO_BI_PHYS_SEGMENTS
4165 LC_SRC_LM_COMPARE_OWNER_EXISTS
4168 LC_SRC_FSCRYPT_DIGESTED_NAME
4171 LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED
4174 LC_SRC_HAVE_KTHREAD_USE_MM
4177 LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER
4178 LC_SRC_FSCRYPT_SET_CONTEXT
4179 LC_SRC_FSCRYPT_NOKEY_NAME
4180 LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
4181 LC_SRC_FSCRYPT_DUMMY_POLICY
4182 LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE
4185 LC_SRC_HAVE_BDI_DEBUG_STATS
4186 LC_SRC_FSCRYPT_IS_NOKEY_NAME
4187 LC_SRC_FSCRYPT_PREPARE_READDIR
4193 LC_SRC_HAVE_USER_NAMESPACE_ARG
4196 LC_SRC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
4199 LC_SRC_HAVE_GET_ACL_RCU_ARG
4200 LC_SRC_HAVE_FAULT_IN_IOV_ITER_READABLE
4203 LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4204 LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS
4207 LC_SRC_HAVE_INVALIDATE_FOLIO
4208 LC_SRC_HAVE_DIRTY_FOLIO
4211 LC_SRC_HAVE_ALLOC_INODE_SB
4214 LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4215 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4216 LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4217 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4218 LC_SRC_HAVE_LSMCONTEXT_INIT
4219 LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
4222 LC_SRC_HAVE_NO_LLSEEK
4223 LC_SRC_DQUOT_TRANSFER_WITH_USER_NS
4224 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4225 LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED
4226 LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4227 LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4230 LC_SRC_HAVE_GET_RANDOM_U32_AND_U64
4231 LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4232 LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4235 LC_SRC_HAVE_GET_RANDOM_U32_BELOW
4236 LC_SRC_HAVE_ACL_WITH_DENTRY
4239 LC_SRC_HAVE_MNT_IDMAP_ARG
4240 LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK
4241 LC_SRC_HAVE_U64_CAPABILITY
4243 # kernel patch to extend integrity interface
4244 LC_SRC_BIO_INTEGRITY_PREP_FN
4247 AC_DEFUN([LC_PROG_LINUX_RESULTS], [
4248 AS_IF([test "x$enable_gss" != xno], [
4249 LC_KEY_TYPE_INSTANTIATE_2ARGS
4251 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_MD5], [],
4253 [kernel MD5 support is recommended by using GSS.])])
4254 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
4256 [kernel SHA1 support is recommended by using GSS.])])
4257 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
4259 [kernel SHA256 support is recommended by using GSS.])])
4260 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
4262 [kernel SHA512 support is recommended by using GSS.])])
4264 AS_IF([test "x$enable_server" != xno], [
4270 LC_HAVE_PROJECT_QUOTA
4277 LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
4278 LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
4279 LC_HAVE_DENTRY_D_CHILD
4280 LC_PID_NS_FOR_CHILDREN
4283 LC_OLDSIZE_TRUNCATE_PAGECACHE
4284 LC_PTR_ERR_OR_ZERO_MISSING
4286 LC_REGISTER_SHRINKER_RET
4291 LC_HAVE_D_IS_POSITIVE
4295 LC_HAVE_TRUNCATE_IPAGES_FINAL
4296 LC_IOPS_RENAME_WITH_FLAGS
4303 LC_DIRECTIO_USE_ITER
4304 LC_HAVE_IOV_ITER_INIT_DIRECTION
4305 LC_HAVE_IOV_ITER_TRUNCATE
4306 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
4307 LC_PAGECACHE_GET_PAGE
4310 LC_HAVE_INTERVAL_BLK_INTEGRITY
4312 LC_HAVE_BLK_INTEGRITY_ITER
4315 LC_PERCPU_COUNTER_INIT
4316 LC_NFS_FILLDIR_USE_CTX
4320 LC_HAVE_DQUOT_QC_DQBLK
4321 LC_HAVE_AIO_COMPLETE
4322 LC_HAVE_IS_ROOT_INODE
4325 LC_BACKING_DEV_INFO_REMOVAL
4332 LC_BIO_ENDIO_USES_ONE_ARG
4333 LC_SYMLINK_OPS_USE_NAMEIDATA
4334 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
4335 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
4338 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
4339 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
4340 LC_HAVE_CACHE_HEAD_HLIST
4341 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
4344 LC_HAVE_LOCKS_LOCK_FILE_WAIT
4345 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
4346 LC_HAVE_XATTR_HANDLER_NAME
4348 LC_HAVE_SUBMIT_BIO_2ARGS
4349 LC_HAVE_CLEAN_BDEV_ALIASES
4356 LC_HAVE_IOP_GET_LINK
4359 LC_HAVE_IN_COMPAT_SYSCALL
4360 LC_HAVE_XATTR_HANDLER_INODE_PARAM
4362 LC_HAVE_DOWN_WRITE_KILLABLE
4368 LC_GENERIC_WRITE_SYNC_2ARGS
4369 LC_FOP_ITERATE_SHARED
4372 LC_HAVE_POSIX_ACL_VALID_USER_NS
4374 LC_FULL_NAME_HASH_3ARGS
4375 LC_STRUCT_POSIX_ACL_XATTR
4381 LC_POSIX_ACL_UPDATE_MODE
4382 LC_HAVE_BDI_IO_PAGES
4385 LC_IOP_GENERIC_READLINK
4386 LC_HAVE_VM_FAULT_ADDRESS
4389 LC_INODEOPS_ENHANCED_GETATTR
4390 LC_VM_OPERATIONS_REMOVE_VMF_ARG
4391 LC_HAVE_KEY_USAGE_REFCOUNT
4392 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
4396 LC_SUPER_SETUP_BDI_NAME
4400 LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
4401 LC_HAVE_GET_INODE_USAGE
4404 LC_PAGEVEC_INIT_ONE_PARAM
4406 LC_INTERVAL_TREE_CACHED
4414 LC_ALLOC_FILE_PSEUDO
4418 LC_RADIX_TREE_TAG_SET
4419 LC_UAPI_LINUX_MOUNT_H
4420 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
4423 LC_GENL_FAMILY_HAS_RESV_START_OP
4426 LC_HAVE_BVEC_ITER_ALL
4429 LC_KEYRING_SEARCH_4ARGS
4432 LC_BIO_BI_PHYS_SEGMENTS
4433 LC_HAVE_FLUSH_DELAYED_FPUT
4434 LC_LM_COMPARE_OWNER_EXISTS
4437 LC_FSCRYPT_DIGESTED_NAME
4440 LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
4443 LC_HAVE_KTHREAD_USE_MM
4446 LC_HAVE_ITER_FILE_SPLICE_WRITE
4449 LC_FSCRYPT_FNAME_ALLOC_BUFFER
4450 LC_FSCRYPT_SET_CONTEXT
4451 LC_FSCRYPT_D_REVALIDATE
4452 LC_FSCRYPT_NOKEY_NAME
4453 LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
4454 LC_FSCRYPT_DUMMY_POLICY
4457 LC_HAVE_BDI_DEBUG_STATS
4458 LC_FSCRYPT_IS_NOKEY_NAME
4459 LC_FSCRYPT_PREPARE_READDIR
4465 LC_HAVE_USER_NAMESPACE_ARG
4468 LC_HAVE_FILEATTR_GET
4469 LC_HAVE_COPY_PAGE_FROM_ITER_ATOMIC
4472 LC_HAVE_GET_ACL_RCU_ARG
4475 LC_HAVE_GET_ACL_RCU_ARG
4476 LC_HAVE_INVALIDATE_LOCK
4477 LC_HAVE_FAULT_IN_IOV_ITER_READABLE
4480 LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4481 LC_HAVE_KIOCB_COMPLETE_2ARGS
4482 LC_EXPORTS_DELETE_FROM_PAGE_CACHE
4486 LC_HAVE_INVALIDATE_FOLIO
4490 LC_HAVE_ALLOC_INODE_SB
4493 LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4494 LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4495 LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4496 LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4497 LC_HAVE_LSMCONTEXT_INIT
4498 LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
4502 LC_DQUOT_TRANSFER_WITH_USER_NS
4503 LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4504 LC_REGISTER_SHRINKER_FORMAT_NAMED
4505 LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4506 LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4509 LC_HAVE_GET_RANDOM_U32_AND_U64
4510 LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4511 LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4514 LC_HAVE_GET_RANDOM_U32_BELOW
4515 LC_HAVE_ACL_WITH_DENTRY
4518 LC_HAVE_MNT_IDMAP_ARG
4519 LC_HAVE_LOCKS_LOCK_FILE_WAIT_IN_FILELOCK
4520 LC_HAVE_U64_CAPABILITY
4522 # kernel patch to extend integrity interface
4523 LC_BIO_INTEGRITY_PREP_FN
4529 # Lustre linux kernel checks
4531 AC_DEFUN([LC_PROG_LINUX], [
4532 AC_MSG_NOTICE([Lustre kernel checks
4533 ==============================================================================])
4538 LC_CONFIG_HEALTH_CHECK_WRITE
4539 LC_CONFIG_LRU_RESIZE
4542 LC_GLIBC_SUPPORT_FHANDLES
4543 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
4547 # 4.1.0 - Check export
4548 LC_HAVE_SYNC_READ_WRITE
4550 # 4.8 - Check export
4551 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
4553 # 5.2 - Check export
4554 LC_ACCOUNT_PAGE_DIRTIED
4561 # Check whether to build the client side of Lustre
4563 AC_DEFUN([LC_CONFIG_CLIENT], [
4564 AC_MSG_CHECKING([whether to build Lustre client support])
4565 AC_ARG_ENABLE([client],
4566 AS_HELP_STRING([--disable-client],
4567 [disable Lustre client support]),
4568 [], [enable_client="yes"])
4569 AC_MSG_RESULT([$enable_client])
4570 ]) # LC_CONFIG_CLIENT
4575 AC_DEFUN([LB_CONFIG_MPITESTS], [
4576 AC_ARG_ENABLE([mpitests],
4577 AS_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
4578 [include mpi tests]), [
4579 enable_mpitests="yes"
4582 MPICC_WRAPPER="mpicc"
4583 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4586 enable_mpitests="no"
4590 MPICC_WRAPPER=$enableval
4591 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
4595 enable_mpitests="yes"
4596 MPICC_WRAPPER="mpicc"
4597 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4600 if test "x$enable_mpitests" != "xno"; then
4603 AC_CACHE_CHECK([whether mpitests can be built],
4604 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4608 MPI_Initialized(&flag);
4611 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
4613 enable_mpitests=$lb_cv_mpi_tests
4617 AC_SUBST(MPICC_WRAPPER)
4618 ]) # LB_CONFIG_MPITESTS
4623 # whether to enable quota support global control
4625 AC_DEFUN([LC_ENABLE_QUOTA], [
4626 AC_MSG_CHECKING([whether to enable quota support global control])
4627 AC_ARG_ENABLE([quota],
4628 AS_HELP_STRING([--enable-quota],
4629 [enable quota support]),
4630 [], [enable_quota="yes"])
4631 AS_IF([test "x$enable_quota" = xyes],
4632 [AC_MSG_RESULT([yes])],
4633 [AC_MSG_RESULT([no])])
4634 ]) # LC_ENABLE_QUOTA
4639 AC_DEFUN([LC_QUOTA], [
4643 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
4644 AC_CHECK_HEADER([sys/quota.h],
4645 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
4646 [Define to 1 if you have <sys/quota.h>.])],
4647 [AC_MSG_ERROR([did not find <sys/quota.h> on your system])])
4654 # configure support for optional OSD implementation
4656 AC_DEFUN([LC_OSD_ADDON], [
4657 AC_MSG_CHECKING([whether to use OSD addon])
4659 AS_HELP_STRING([--with-osd=path],
4660 [set path to optional osd]),
4667 OSDADDON="$with_osd"
4674 AS_IF([test $ENABLEOSDADDON -eq 0], [
4678 OSDMODNAME=$(basename $OSDADDON)
4679 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
4680 AC_MSG_RESULT([cannot link])
4682 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
4683 AC_MSG_RESULT([$OSDMODNAME])
4684 OSDADDON="obj-m += $OSDMODNAME/"
4686 AC_MSG_RESULT([cannot link])
4696 # Check whether to enable Lustre client crypto
4698 AC_DEFUN([LC_CONFIG_CRYPTO], [
4699 AC_MSG_CHECKING([whether to enable Lustre client crypto])
4700 AC_ARG_ENABLE([crypto],
4701 AS_HELP_STRING([--enable-crypto=yes|no|in-kernel],
4702 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
4703 [], [enable_crypto="auto"])
4704 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
4708 LC_FSCRYPT_SUPPORT])
4709 AS_IF([test "x$enable_crypto" = xin-kernel], [
4710 AS_IF([test "x$has_fscrypt_support" = xyes], [
4711 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
4712 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
4713 enable_crypto=no])],
4714 [AS_IF([test "x$has_is_encrypted" = xyes], [
4715 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
4716 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
4717 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1, [embedded llcrypt uses llcrypt_dummy_context_enabled()])
4718 enable_crypto="embedded-llcrypt"
4719 enable_llcrypt=yes], [
4720 AS_IF([test "x$enable_crypto" = xyes],
4721 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
4722 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
4723 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
4724 enable_crypto=no])])
4725 AS_IF([test "x$enable_dist" != xno], [
4727 enable_llcrypt=yes])
4728 AC_MSG_RESULT([$enable_crypto])
4729 ]) # LC_CONFIG_CRYPTO
4734 # other configure checks
4736 AC_DEFUN([LC_CONFIGURE], [
4737 AC_MSG_NOTICE([Lustre core checks
4738 ==============================================================================])
4740 # maximum MDS thread count
4743 # lustre/utils/gss/gss_util.c
4744 # lustre/utils/llog_reader.c
4745 # lustre/utils/create_iam.c
4746 # lustre/utils/libiam.c
4747 AC_CHECK_HEADERS([netdb.h endian.h])
4748 AC_CHECK_FUNCS([gethostbyname])
4750 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
4751 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
4752 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
4754 ext2fs.h not found. Please install e2fsprogs development package.
4759 # lustre/tests/statx_test.c
4760 AC_CHECK_FUNCS([statx])
4762 # lustre/utils/lfs.c
4763 AS_IF([test "$enable_dist" = "no"], [
4764 AC_CHECK_LIB([z], [crc32], [
4765 AC_CHECK_HEADER([zlib.h], [], [
4766 AC_MSG_ERROR([zlib.h not found.])])
4769 zlib library not found. Please install zlib development package.])
4775 AC_CHECK_LIB([selinux], [is_selinux_enabled],
4776 [AC_CHECK_HEADERS([selinux/selinux.h],
4777 [SELINUX="-lselinux"
4778 AC_DEFINE([HAVE_SELINUX], 1,
4779 [support for selinux ])],
4782 No libselinux-devel package found, unable to build selinux enabled tools
4787 No selinux package found, unable to build selinux enabled tools
4792 AC_CHECK_LIB([keyutils], [add_key])
4795 AC_MSG_CHECKING([whether to report minimum OST free space])
4796 AC_ARG_ENABLE([mindf],
4797 AS_HELP_STRING([--enable-mindf],
4798 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
4799 [], [enable_mindf="no"])
4800 AC_MSG_RESULT([$enable_mindf])
4801 AS_IF([test "$enable_mindf" = "yes"], [
4802 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
4803 AC_SUBST(ENABLE_MINDF, yes)
4805 AC_SUBST(ENABLE_MINDF, no)
4808 AC_MSG_CHECKING([whether to randomly failing memory alloc])
4809 AC_ARG_ENABLE([fail_alloc],
4810 AS_HELP_STRING([--disable-fail-alloc],
4811 [disable randomly alloc failure]),
4812 [], [enable_fail_alloc="yes"])
4813 AC_MSG_RESULT([$enable_fail_alloc])
4814 AS_IF([test "x$enable_fail_alloc" != xno], [
4815 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
4816 AC_SUBST(ENABLE_FAIL_ALLOC, yes)
4818 AC_SUBST(ENABLE_FAIL_ALLOC, no)
4821 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
4822 AC_ARG_ENABLE([invariants],
4823 AS_HELP_STRING([--enable-invariants],
4824 [enable invariant checking (cpu intensive)]),
4825 [], [enable_invariants="no"])
4826 AC_MSG_RESULT([$enable_invariants])
4827 AS_IF([test "x$enable_invariants" = xyes], [
4828 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
4829 [enable invariant checking])
4830 AC_SUBST(ENABLE_INVARIANTS, yes)
4832 AC_SUBST(ENABLE_INVARIANTS, no)
4835 AC_MSG_CHECKING([whether to track references with lu_ref])
4836 AC_ARG_ENABLE([lu_ref],
4837 AS_HELP_STRING([--enable-lu_ref],
4838 [enable lu_ref reference tracking code]),
4839 [], [enable_lu_ref="no"])
4840 AC_MSG_RESULT([$enable_lu_ref])
4841 AS_IF([test "x$enable_lu_ref" = xyes], [
4842 AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
4843 [enable lu_ref reference tracking code])
4844 AC_SUBST(ENABLE_LU_REF, yes)
4846 AC_SUBST(ENABLE_LU_REF, no)
4849 AC_MSG_CHECKING([whether to enable page state tracking])
4850 AC_ARG_ENABLE([pgstate-track],
4851 AS_HELP_STRING([--enable-pgstate-track],
4852 [enable page state tracking]),
4853 [], [enable_pgstat_track="no"])
4854 AC_MSG_RESULT([$enable_pgstat_track])
4855 AS_IF([test "x$enable_pgstat_track" = xyes], [
4856 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
4857 [enable page state tracking code])
4858 AC_SUBST(ENABLE_PGSTAT_TRACK, yes)
4860 AC_SUBST(ENABLE_PGSTAT_TRACK, no)
4864 AC_MSG_CHECKING([systemd unit file directory])
4865 AC_ARG_WITH([systemdsystemunitdir],
4866 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
4867 [Directory for systemd service files])],
4868 [], [with_systemdsystemunitdir=auto])
4869 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
4870 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
4871 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
4872 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
4873 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
4874 with_systemdsystemunitdir=no],
4875 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
4876 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
4877 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
4878 AC_MSG_RESULT([$with_systemdsystemunitdir])
4880 AC_MSG_CHECKING([bash-completion directory])
4881 AC_ARG_WITH([bash-completion-dir],
4882 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
4883 [Install the bash auto-completion script in this directory.]),
4885 [with_bash_completion_dir=yes])
4886 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
4887 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
4888 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
4889 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
4892 BASH_COMPLETION_DIR="$with_bash_completion_dir"
4894 AC_SUBST([BASH_COMPLETION_DIR])
4895 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
4901 # AM_CONDITIONALS for lustre
4903 AC_DEFUN([LC_CONDITIONALS], [
4904 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
4905 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
4906 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
4907 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
4908 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
4909 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
4910 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
4911 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
4912 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
4913 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
4914 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
4915 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
4916 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
4917 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
4918 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
4919 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
4920 ]) # LC_CONDITIONALS
4925 # files that should be generated with AC_OUTPUT
4927 AC_DEFUN([LC_CONFIG_FILES],
4931 lustre/autoconf/Makefile
4932 lustre/conf/Makefile
4933 lustre/conf/resource/Makefile
4935 lustre/include/Makefile
4936 lustre/include/lustre/Makefile
4937 lustre/include/uapi/linux/lustre/Makefile
4938 lustre/kernel_patches/targets/5.14-rhel9.2.target
4939 lustre/kernel_patches/targets/5.14-rhel9.1.target
4940 lustre/kernel_patches/targets/5.14-rhel9.0.target
4941 lustre/kernel_patches/targets/4.18-rhel8.8.target
4942 lustre/kernel_patches/targets/4.18-rhel8.7.target
4943 lustre/kernel_patches/targets/4.18-rhel8.6.target
4944 lustre/kernel_patches/targets/4.18-rhel8.5.target
4945 lustre/kernel_patches/targets/4.18-rhel8.4.target
4946 lustre/kernel_patches/targets/4.18-rhel8.3.target
4947 lustre/kernel_patches/targets/4.18-rhel8.2.target
4948 lustre/kernel_patches/targets/4.18-rhel8.1.target
4949 lustre/kernel_patches/targets/4.18-rhel8.target
4950 lustre/kernel_patches/targets/3.10-rhel7.9.target
4951 lustre/kernel_patches/targets/3.10-rhel7.8.target
4952 lustre/kernel_patches/targets/3.10-rhel7.7.target
4953 lustre/kernel_patches/targets/3.10-rhel7.6.target
4954 lustre/kernel_patches/targets/3.10-rhel7.5.target
4955 lustre/kernel_patches/targets/4.14-rhel7.5.target
4956 lustre/kernel_patches/targets/4.14-rhel7.6.target
4957 lustre/kernel_patches/targets/4.12-sles12sp4.target
4958 lustre/kernel_patches/targets/4.12-sles12sp5.target
4959 lustre/kernel_patches/targets/4.12-sles15sp1.target
4960 lustre/kernel_patches/targets/5.3-sles15sp2.target
4961 lustre/kernel_patches/targets/5.3-sles15sp3.target
4962 lustre/kernel_patches/targets/5.14-sles15sp4.target
4963 lustre/kernel_patches/targets/5.14-sles15sp5.target
4964 lustre/kernel_patches/targets/3.x-fc18.target
4965 lustre/kernel_patches/targets/5.10-oe2203.target
4966 lustre/kernel_patches/targets/5.10-oe2203sp1.target
4967 lustre/kernel_patches/targets/5.10-oe2203sp2.target
4968 lustre/ldlm/Makefile
4969 lustre/ldlm/autoMakefile
4970 lustre/ec/autoMakefile
4973 lustre/fid/autoMakefile
4974 lustre/llite/Makefile
4975 lustre/llite/autoMakefile
4977 lustre/lov/autoMakefile
4979 lustre/mdc/autoMakefile
4981 lustre/lmv/autoMakefile
4982 lustre/lfsck/Makefile
4983 lustre/lfsck/autoMakefile
4985 lustre/mdt/autoMakefile
4987 lustre/mdd/autoMakefile
4989 lustre/fld/autoMakefile
4990 lustre/obdclass/Makefile
4991 lustre/obdclass/autoMakefile
4992 lustre/obdecho/Makefile
4993 lustre/obdecho/autoMakefile
4995 lustre/ofd/autoMakefile
4997 lustre/osc/autoMakefile
4999 lustre/ost/autoMakefile
5000 lustre/osd-ldiskfs/Makefile
5001 lustre/osd-ldiskfs/autoMakefile
5002 lustre/osd-zfs/Makefile
5003 lustre/osd-zfs/autoMakefile
5005 lustre/mgc/autoMakefile
5007 lustre/mgs/autoMakefile
5008 lustre/target/Makefile
5009 lustre/target/autoMakefile
5010 lustre/ptlrpc/Makefile
5011 lustre/ptlrpc/autoMakefile
5012 lustre/ptlrpc/gss/Makefile
5013 lustre/ptlrpc/gss/autoMakefile
5014 lustre/quota/Makefile
5015 lustre/quota/autoMakefile
5016 lustre/scripts/Makefile
5017 lustre/scripts/systemd/Makefile
5018 lustre/tests/Makefile
5019 lustre/tests/mpi/Makefile
5020 lustre/tests/iabf/Makefile
5021 lustre/tests/lutf/Makefile
5022 lustre/tests/lutf/src/Makefile
5023 lustre/tests/kernel/Makefile
5024 lustre/tests/kernel/autoMakefile
5025 lustre/utils/Makefile
5026 lustre/utils/gss/Makefile
5028 lustre/osp/autoMakefile
5030 lustre/lod/autoMakefile
5032 ]) # LC_CONFIG_FILES