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 AC_MSG_CHECKING([if stack size is at least 8k])
110 LB2_LINUX_TEST_RESULT([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$enable_gss_keyring" = xyes], [
302 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
309 ]) # LC_CONFIG_GSS_KEYRING
312 # LC_KEY_TYPE_INSTANTIATE_2ARGS
314 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
316 AC_DEFUN([LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS], [
317 LB2_LINUX_TEST_SRC([key_type_instantiate_2args], [
318 #include <linux/key-type.h>
320 ((struct key_type *)0)->instantiate(0, NULL);
323 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
324 AC_MSG_CHECKING([if 'key_type->instantiate' has two args])
325 LB2_LINUX_TEST_RESULT([key_type_instantiate_2args], [
326 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
327 [key_type->instantiate has two args])
329 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
334 AC_DEFUN([LC_CONFIG_SUNRPC], [
335 LB_CHECK_CONFIG_IM([SUNRPC], [], [
336 AS_IF([test "x$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([$has_evp_pkey])
453 ]) # LC_OPENSSL_EVP_PKEY
458 # Check whether to enable Lustre client crypto
460 AC_DEFUN([LC_OPENSSL_SSK], [
461 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
462 AS_IF([test "x$enable_ssk" != xno], [
468 AS_IF([test "x$has_hmac_functions" = xyes -o "x$has_evp_pkey" = xyes], [
469 AC_DEFINE(HAVE_OPENSSL_SSK, 1, [OpenSSL HMAC functions needed for SSK])
473 AC_MSG_RESULT([$enable_ssk])
476 # LC_OPENSSL_GETSEPOL
478 # OpenSSL is needed for l_getsepol
479 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
480 saved_flags="$CFLAGS"
482 AC_MSG_CHECKING([whether openssl-devel is present])
483 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
484 #include <openssl/evp.h>
487 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
491 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
492 enable_getsepol="yes"
498 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
501 AC_MSG_RESULT([$enable_getsepol])
502 CFLAGS="$saved_flags"
503 ]) # LC_OPENSSL_GETSEPOL
506 AC_DEFUN([LC_HAVE_LIBAIO], [
507 AC_CHECK_HEADER([libaio.h],
509 AC_MSG_WARN([libaio is not installed on the system]))
513 # LC_INVALIDATE_RANGE
515 # 3.11 invalidatepage requires the length of the range to invalidate
517 AC_DEFUN([LC_SRC_INVALIDATE_RANGE], [
518 LB2_LINUX_TEST_SRC([address_space_ops_invalidatepage_3args], [
519 #include <linux/fs.h>
521 struct address_space_operations a_ops;
522 a_ops.invalidatepage(NULL, 0, 0);
525 AC_DEFUN([LC_INVALIDATE_RANGE], [
527 [if 'address_space_operations.invalidatepage' requires 3 arguments])
528 LB2_LINUX_TEST_RESULT([address_space_ops_invalidatepage_3args], [
529 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
530 [address_space_operations.invalidatepage needs 3 arguments])
532 ]) # LC_INVALIDATE_RANGE
535 # LC_HAVE_DIR_CONTEXT
537 # 3.11 readdir now takes the new struct dir_context
539 AC_DEFUN([LC_SRC_HAVE_DIR_CONTEXT], [
540 LB2_LINUX_TEST_SRC([dir_context], [
541 #include <linux/fs.h>
543 #ifdef FMODE_KABI_ITERATE
544 #error "back to use readdir in kabi_extand mode"
546 struct dir_context ctx;
552 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
553 AC_MSG_CHECKING([if 'dir_context' exist])
554 LB2_LINUX_TEST_RESULT([dir_context], [
555 AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist])
557 ]) # LC_HAVE_DIR_CONTEXT
562 # 3.11 dentry_operations.d_compare() taken 5 arguments.
564 AC_DEFUN([LC_SRC_D_COMPARE_5ARGS], [
565 LB2_LINUX_TEST_SRC([d_compare_5args], [
566 #include <linux/dcache.h>
568 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
571 AC_DEFUN([LC_D_COMPARE_5ARGS], [
572 AC_MSG_CHECKING([if 'd_compare' taken 5 arguments])
573 LB2_LINUX_TEST_RESULT([d_compare_5args], [
574 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
575 [d_compare need 5 arguments])
577 ]) # LC_D_COMPARE_5ARGS
582 # 3.11 need to access d_count to get dentry reference count
584 AC_DEFUN([LC_SRC_HAVE_DCOUNT], [
585 LB2_LINUX_TEST_SRC([d_count], [
586 #include <linux/dcache.h>
588 struct dentry de = { };
591 count = d_count(&de);
594 AC_DEFUN([LC_HAVE_DCOUNT], [
595 AC_MSG_CHECKING([if 'd_count' exists])
596 LB2_LINUX_TEST_RESULT([d_count], [
597 AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist])
602 # LC_PID_NS_FOR_CHILDREN
604 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
606 AC_DEFUN([LC_SRC_PID_NS_FOR_CHILDREN], [
607 LB2_LINUX_TEST_SRC([pid_ns_for_children], [
608 #include <linux/nsproxy.h>
611 ns.pid_ns_for_children = NULL;
614 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
615 AC_MSG_CHECKING([if 'struct nsproxy' has 'pid_ns_for_children'])
616 LB2_LINUX_TEST_RESULT([pid_ns_for_children], [
617 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
618 ['struct nsproxy' has 'pid_ns_for_children'])
620 ]) # LC_PID_NS_FOR_CHILDREN
623 # LC_OLDSIZE_TRUNCATE_PAGECACHE
625 # 3.12 truncate_pagecache without oldsize parameter
627 AC_DEFUN([LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE], [
628 LB2_LINUX_TEST_SRC([truncate_pagecache_old_size], [
629 #include <linux/mm.h>
631 truncate_pagecache(NULL, 0, 0);
634 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
635 AC_MSG_CHECKING([if 'truncate_pagecache' with 'old_size' parameter])
636 LB2_LINUX_TEST_RESULT([truncate_pagecache_old_size], [
637 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
640 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
645 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
646 # It was added to linux kernel 3.12
648 AC_DEFUN([LC_SRC_PTR_ERR_OR_ZERO_MISSING], [
649 LB2_LINUX_TEST_SRC([is_err_or_null], [
650 #include <linux/err.h>
652 if (PTR_ERR_OR_ZERO(NULL)) return 0;
655 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
656 AC_MSG_CHECKING([if 'PTR_ERR_OR_ZERO' is missing])
657 LB2_LINUX_TEST_RESULT([is_err_or_null], [
658 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
659 ['PTR_ERR_OR_ZERO' exist])
661 ]) # LC_PTR_ERR_OR_ZERO_MISSING
664 # LC_HAVE_DENTRY_D_U_D_ALIAS
666 # 3.11 kernel moved d_alias to the union d_u in struct dentry
668 # Some distros move d_alias to d_u but it is still a struct list
670 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
671 LB2_LINUX_TEST_SRC([d_alias_list], [
672 #include <linux/list.h>
673 #include <linux/dcache.h>
676 INIT_LIST_HEAD(&de.d_u.d_alias);
679 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
680 AC_MSG_CHECKING([if list 'dentry.d_u.d_alias' exist])
681 LB2_LINUX_TEST_RESULT([d_alias_list], [
682 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
683 [list dentry.d_u.d_alias exist])
685 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
688 # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
690 # Some distros move d_alias to d_u and it is an hlist
692 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
693 LB2_LINUX_TEST_SRC([d_alias_hlist], [
694 #include <linux/list.h>
695 #include <linux/dcache.h>
698 INIT_HLIST_NODE(&de.d_u.d_alias);
701 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
702 AC_MSG_CHECKING([if hlist 'dentry.d_u.d_alias' exist])
703 LB2_LINUX_TEST_RESULT([d_alias_hlist], [
704 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
705 [list dentry.d_u.d_alias exist])
707 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
711 # LC_HAVE_DENTRY_D_CHILD
713 # 3.11 kernel d_child has been moved out of the union d_u
716 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_CHILD], [
717 LB2_LINUX_TEST_SRC([d_child], [
718 #include <linux/list.h>
719 #include <linux/dcache.h>
722 INIT_LIST_HEAD(&de.d_child);
725 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
726 AC_MSG_CHECKING([if 'dentry.d_child' exist])
727 LB2_LINUX_TEST_RESULT([d_child], [
728 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1, [dentry.d_child exist])
730 ]) # LC_HAVE_DENTRY_D_CHILD
735 # 3.12 ki_left removed from struct kiocb
737 AC_DEFUN([LC_SRC_KIOCB_KI_LEFT], [
738 LB2_LINUX_TEST_SRC([kiocb_ki_left], [
739 #include <linux/aio.h>
741 ((struct kiocb*)0)->ki_left = 0;
744 AC_DEFUN([LC_KIOCB_KI_LEFT], [
745 AC_MSG_CHECKING([if 'struct kiocb' with 'ki_left' member])
746 LB2_LINUX_TEST_RESULT([kiocb_ki_left], [
747 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
750 ]) # LC_KIOCB_KI_LEFT
753 # LC_REGISTER_SHRINKER_RET
755 # v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
757 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_RET], [
758 LB2_LINUX_TEST_SRC([register_shrinker_ret], [
759 #include <linux/mm.h>
761 if (register_shrinker(NULL))
762 unregister_shrinker(NULL);
765 AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
766 AC_MSG_CHECKING([if register_shrinker() returns status])
767 LB2_LINUX_TEST_RESULT([register_shrinker_ret], [
768 AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
769 [register_shrinker() returns status])
771 ]) # LC_REGISTER_SHRINKER_RET
774 # LC_VFS_RENAME_5ARGS
776 # 3.13 has vfs_rename with 5 args
778 AC_DEFUN([LC_SRC_VFS_RENAME_5ARGS], [
779 LB2_LINUX_TEST_SRC([vfs_rename_5args], [
780 #include <linux/fs.h>
782 vfs_rename(NULL, NULL, NULL, NULL, NULL);
784 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
785 [kernel has vfs_rename with 5 args])
788 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
789 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 5 args])
790 LB2_LINUX_TEST_RESULT([vfs_rename_5args], [
791 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
792 [kernel has vfs_rename with 5 args])
794 ]) # LC_VFS_RENAME_5ARGS
797 # LC_VFS_UNLINK_3ARGS
799 # 3.13 has vfs_unlink with 3 args
801 AC_DEFUN([LC_SRC_VFS_UNLINK_3ARGS], [
802 LB2_LINUX_TEST_SRC([vfs_unlink_3args], [
803 #include <linux/fs.h>
805 vfs_unlink(NULL, NULL, NULL);
808 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
809 AC_MSG_CHECKING([if Linux kernel has 'vfs_unlink' with 3 args])
810 LB2_LINUX_TEST_RESULT([vfs_unlink_3args], [
811 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
812 [kernel has vfs_unlink with 3 args])
814 ]) # LC_VFS_UNLINK_3ARGS
816 # LC_HAVE_D_IS_POSITIVE
818 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
819 # d_is_positive is added
821 AC_DEFUN([LC_SRC_HAVE_D_IS_POSITIVE], [
822 LB2_LINUX_TEST_SRC([d_is_positive], [
823 #include <linux/dcache.h>
828 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
829 AC_MSG_CHECKING([if 'd_is_positive' exist])
830 LB2_LINUX_TEST_RESULT([d_is_positive], [
831 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
832 ['d_is_positive' is available])
834 ]) # LC_HAVE_D_IS_POSITIVE
839 # 3.14 move some of its data in struct bio into the new
842 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER], [
843 LB2_LINUX_TEST_SRC([have_bvec_iter], [
844 #include <linux/bio.h>
846 struct bvec_iter iter;
848 iter.bi_bvec_done = 0;
851 AC_DEFUN([LC_HAVE_BVEC_ITER], [
852 AC_MSG_CHECKING([if Linux kernel has struct bvec_iter])
853 LB2_LINUX_TEST_RESULT([have_bvec_iter], [
854 AC_DEFINE(HAVE_BVEC_ITER, 1,
855 [kernel has struct bvec_iter])
857 ]) # LC_HAVE_BVEC_ITER
862 # 3.14 adds set_acl method to inode_operations
863 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
865 AC_DEFUN([LC_SRC_IOP_SET_ACL], [
866 LB2_LINUX_TEST_SRC([inode_ops_set_acl], [
867 #include <linux/fs.h>
869 struct inode_operations iop;
873 AC_DEFUN([LC_IOP_SET_ACL], [
874 AC_MSG_CHECKING([if 'inode_operations' has '.set_acl' member function])
875 LB2_LINUX_TEST_RESULT([inode_ops_set_acl], [
876 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
877 [inode_operations has .set_acl member function])
882 # LC_HAVE_TRUNCATE_IPAGE_FINAL
884 # 3.14 bring truncate_inode_pages_final for evict_inode
886 AC_DEFUN([LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL], [
887 LB2_LINUX_TEST_SRC([truncate_ipages_final], [
888 #include <linux/mm.h>
890 truncate_inode_pages_final(NULL);
893 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
894 AC_MSG_CHECKING([if Linux kernel has truncate_inode_pages_final])
895 LB2_LINUX_TEST_RESULT([truncate_ipages_final], [
896 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
897 [kernel has truncate_inode_pages_final])
899 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
902 # LC_IOPS_RENAME_WITH_FLAGS
904 # 3.14 has inode_operations->rename with 5 args
905 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
907 AC_DEFUN([LC_SRC_IOPS_RENAME_WITH_FLAGS], [
908 LB2_LINUX_TEST_SRC([iops_rename_with_flags], [
909 #include <linux/fs.h>
911 struct inode *i1 = NULL, *i2 = NULL;
912 struct dentry *d1 = NULL, *d2 = NULL;
914 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
916 ]) # LC_IOPS_RENAME_WITH_FLAGS
917 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
918 AC_MSG_CHECKING([if 'inode_operations->rename' taken flags as argument])
919 LB2_LINUX_TEST_RESULT([iops_rename_with_flags], [
920 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
921 [inode_operations->rename need flags as argument])
923 ]) # LC_IOPS_RENAME_WITH_FLAGS
926 # LC_VFS_RENAME_6ARGS
928 # 3.15 has vfs_rename with 6 args
930 AC_DEFUN([LC_SRC_VFS_RENAME_6ARGS], [
931 LB2_LINUX_TEST_SRC([vfs_rename_6args], [
932 #include <linux/fs.h>
934 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
937 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
938 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 6 args])
939 LB2_LINUX_TEST_RESULT([vfs_rename_6args], [
940 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
941 [kernel has vfs_rename with 6 args])
943 ]) # LC_VFS_RENAME_6ARGS
946 # LC_DIRECTIO_USE_ITER
948 # 3.16 kernel changes direct IO to use iov_iter
950 AC_DEFUN([LC_SRC_DIRECTIO_USE_ITER], [
951 LB2_LINUX_TEST_SRC([direct_io_iter], [
952 #include <linux/fs.h>
954 struct address_space_operations ops = { };
955 struct iov_iter *iter = NULL;
958 ops.direct_IO(0, NULL, iter, offset);
961 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
962 AC_MSG_CHECKING([if direct IO uses iov_iter])
963 LB2_LINUX_TEST_RESULT([direct_io_iter], [
964 AC_DEFINE(HAVE_DIRECTIO_ITER, 1, [direct IO uses iov_iter])
966 ]) # LC_DIRECTIO_USE_ITER
969 # LC_HAVE_IOV_ITER_INIT_DIRECTION
972 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
973 # changed iov_iter_init api to start accepting a tag
974 # that defines if its a read or write operation
976 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION], [
977 LB2_LINUX_TEST_SRC([iter_init], [
978 #include <linux/uio.h>
979 #include <linux/fs.h>
981 const struct iovec *iov = NULL;
983 iov_iter_init(NULL, READ, iov, 1, 0);
986 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
987 AC_MSG_CHECKING([if 'iov_iter_init' takes a tag])
988 LB2_LINUX_TEST_RESULT([iter_init], [
989 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
990 [iov_iter_init handles directional tag])
992 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
995 # LC_HAVE_IOV_ITER_TRUNCATE
998 # 3.16 introduces a new API iov_iter_truncate()
1000 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_TRUNCATE], [
1001 LB2_LINUX_TEST_SRC([iter_truncate], [
1002 #include <linux/uio.h>
1003 #include <linux/fs.h>
1005 struct iov_iter *i = NULL;
1007 iov_iter_truncate(i, 0);
1010 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1011 AC_MSG_CHECKING([if 'iov_iter_truncate' exists])
1012 LB2_LINUX_TEST_RESULT([iter_truncate], [
1013 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1015 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1018 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1020 # 3.16 introduces [read|write]_iter to struct file_operations
1022 AC_DEFUN([LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1023 LB2_LINUX_TEST_SRC([file_function_iter], [
1024 #include <linux/fs.h>
1026 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1027 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1030 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1031 AC_MSG_CHECKING([if 'file_operations.[read|write]_iter' exist])
1032 LB2_LINUX_TEST_RESULT([file_function_iter], [
1033 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1034 [file_operations.[read|write]_iter functions exist])
1036 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1039 # LC_PAGECACHE_GET_PAGE
1041 # Kernel version 3.16 commit 2457aec63745e235bcafb7ef312b182d8682f0fc
1042 # @pagecache_get_page was introduced since Linux 3.16
1044 AC_DEFUN([LC_SRC_PAGECACHE_GET_PAGE], [
1045 LB2_LINUX_TEST_SRC([pagecache_get_page], [
1046 #include <linux/pagemap.h>
1048 pagecache_get_page(NULL, 0, 0, 0);
1051 AC_DEFUN([LC_PAGECACHE_GET_PAGE], [
1052 AC_MSG_CHECKING([if 'pagecache_get_page' exists])
1053 LB2_LINUX_TEST_RESULT([pagecache_get_page], [
1054 AC_DEFINE(HAVE_PAGECACHE_GET_PAGE, 1,
1055 ['pagecache_get_page' is available])
1057 ]) # LC_PAGECACHE_GET_PAGE
1060 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1062 # 3.17 replace sector_size with interval in struct blk_integrity
1064 AC_DEFUN([LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY], [
1065 LB2_LINUX_TEST_SRC([interval_blk_integrity], [
1066 #include <linux/blkdev.h>
1068 ((struct blk_integrity *)0)->interval = 0;
1071 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1072 AC_MSG_CHECKING([if 'blk_integrity.interval' exist])
1073 LB2_LINUX_TEST_RESULT([interval_blk_integrity], [
1074 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1075 [blk_integrity.interval exist])
1077 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1082 # 3.17 replaces key_type::match with match_preparse
1083 # and has new struct key_match_data
1085 AC_DEFUN([LC_SRC_KEY_MATCH_DATA], [
1086 LB2_LINUX_TEST_SRC([key_match], [
1087 #include <linux/key-type.h>
1089 struct key_match_data data;
1091 data.raw_data = NULL;
1094 AC_DEFUN([LC_KEY_MATCH_DATA], [
1095 AC_MSG_CHECKING([if struct key_match field exist])
1096 LB2_LINUX_TEST_RESULT([key_match], [
1097 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1, [struct key_match_data exist])
1099 ]) # LC_KEY_MATCH_DATA
1102 # LC_HAVE_BLK_INTEGRITY_ITER
1104 # Linux commit v3.17-rc5-69-g1859308853b1 replaces
1105 # struct blk_integrity_exchg with struct blk_integrity_iter
1107 # LB_CHECK_LINUX_HEADER has already run so we can rely on
1108 # HAVE_LINUX_BLK_INTEGRITY_HEADER being set correctly before
1111 AC_DEFUN([LC_SRC_HAVE_BLK_INTEGRITY_ITER], [
1112 LB2_LINUX_TEST_SRC([blk_integrity_iter], [
1113 #ifdef HAVE_LINUX_BLK_INTEGRITY_HEADER
1114 # include <linux/blk-integrity.h>
1116 # include <linux/blkdev.h>
1119 struct blk_integrity_iter iter;
1121 iter.prot_buf = NULL;
1124 AC_DEFUN([LC_HAVE_BLK_INTEGRITY_ITER], [
1125 AC_MSG_CHECKING([if struct blk_integrity_iter exist])
1126 LB2_LINUX_TEST_RESULT([blk_integrity_iter], [
1127 AC_DEFINE(HAVE_BLK_INTEGRITY_ITER, 1,
1128 [kernel has struct blk_integrity_iter])
1130 ]) # LC_HAVE_BLK_INTEGRITY_ITER
1133 # LC_NFS_FILLDIR_USE_CTX
1135 # 3.18 kernel moved from void cookie to struct dir_context
1137 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX], [
1138 LB2_LINUX_TEST_SRC([filldir_ctx], [
1139 #include <linux/fs.h>
1141 int filldir(struct dir_context *ctx, const char* name,
1142 int i, loff_t off, u64 tmp, unsigned temp)
1147 struct dir_context ctx = {
1151 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1154 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1155 AC_MSG_CHECKING([if filldir_t uses struct dir_context])
1156 LB2_LINUX_TEST_RESULT([filldir_ctx], [
1157 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1158 [filldir_t needs struct dir_context as argument])
1160 ]) # LC_NFS_FILLDIR_USE_CTX
1163 # LC_PERCPU_COUNTER_INIT
1165 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1166 # to pass a GFP_* memory allocation flag for internal
1167 # memory allocation purposes.
1169 AC_DEFUN([LC_SRC_PERCPU_COUNTER_INIT], [
1170 LB2_LINUX_TEST_SRC([percpu_counter_init], [
1171 #include <linux/percpu_counter.h>
1173 percpu_counter_init(NULL, 0, GFP_KERNEL);
1176 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1177 AC_MSG_CHECKING([if percpu_counter_init uses GFP_* flag as argument])
1178 LB2_LINUX_TEST_RESULT([percpu_counter_init], [
1179 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1180 [percpu_counter_init uses GFP_* flag])
1182 ]) # LC_PERCPU_COUNTER_INIT
1185 # LC_KIOCB_HAS_NBYTES
1187 # 3.19 kernel removed ki_nbytes from struct kiocb
1189 AC_DEFUN([LC_SRC_KIOCB_HAS_NBYTES], [
1190 LB2_LINUX_TEST_SRC([ki_nbytes], [
1191 #include <linux/fs.h>
1193 struct kiocb iocb = { };
1198 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1199 AC_MSG_CHECKING([if struct kiocb has ki_nbytes field])
1200 LB2_LINUX_TEST_RESULT([ki_nbytes], [
1201 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1203 ]) # LC_KIOCB_HAS_NBYTES
1206 # LC_HAVE_DQUOT_QC_DQBLK
1208 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
1209 # Added in commit 14bf61ffe
1211 AC_DEFUN([LC_SRC_HAVE_DQUOT_QC_DQBLK], [
1212 LB2_LINUX_TEST_SRC([qc_dqblk], [
1213 #include <linux/fs.h>
1214 #include <linux/quota.h>
1216 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
1219 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
1220 AC_MSG_CHECKING([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk])
1221 LB2_LINUX_TEST_RESULT([qc_dqblk], [
1222 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
1223 [quotactl_ops.set_dqblk takes struct qc_dqblk])
1224 AC_DEFINE(HAVE_DQUOT_KQID, 1,
1225 [quotactl_ops.set_dqblk takes struct kqid])
1227 ]) # LC_HAVE_DQUOT_QC_DQBLK
1230 # LC_HAVE_AIO_COMPLETE
1232 # 3.19 kernel makes aio_complete() static
1234 AC_DEFUN([LC_SRC_HAVE_AIO_COMPLETE], [
1235 LB2_LINUX_TEST_SRC([aio_complete], [
1236 #include <linux/aio.h>
1238 aio_complete(NULL, 0, 0);
1241 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
1242 AC_MSG_CHECKING([if kernel has exported aio_complete()])
1243 LB2_LINUX_TEST_RESULT([aio_complete], [
1244 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
1246 ]) # LC_HAVE_AIO_COMPLETE
1249 # LC_HAVE_IS_ROOT_INODE
1251 # 3.19 kernel adds is_root_inode()
1252 # Commit a7400222e3eb ("new helper: is_root_inode()")
1254 AC_DEFUN([LC_SRC_HAVE_IS_ROOT_INODE], [
1255 LB2_LINUX_TEST_SRC([is_root_inode], [
1256 #include <linux/fs.h>
1258 is_root_inode(NULL);
1261 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1262 AC_MSG_CHECKING([if kernel has is_root_inode()])
1263 LB2_LINUX_TEST_RESULT([is_root_inode], [
1264 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1266 ]) # LC_HAVE_IS_ROOT_INODE
1269 # LC_BACKING_DEV_INFO_REMOVAL
1271 # 3.20 kernel removed backing_dev_info from address_space
1273 AC_DEFUN([LC_SRC_BACKING_DEV_INFO_REMOVAL], [
1274 LB2_LINUX_TEST_SRC([backing_dev_info], [
1275 #include <linux/fs.h>
1277 struct address_space mapping;
1279 mapping.backing_dev_info = NULL;
1282 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1283 AC_MSG_CHECKING([if struct address_space has backing_dev_info])
1284 LB2_LINUX_TEST_RESULT([backing_dev_info], [
1285 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1287 ]) # LC_BACKING_DEV_INFO_REMOVAL
1290 # LC_HAVE_BDI_CAP_MAP_COPY
1292 # 3.20 removed mmap handling for backing devices since
1293 # it breaks on non-MMU systems. See kernel commit
1294 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1296 AC_DEFUN([LC_SRC_HAVE_BDI_CAP_MAP_COPY], [
1297 LB2_LINUX_TEST_SRC([bdi_cap_map_copy], [
1298 #include <linux/backing-dev.h>
1300 struct backing_dev_info info;
1302 info.capabilities = BDI_CAP_MAP_COPY;
1304 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1305 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1306 AC_MSG_CHECKING([if have 'BDI_CAP_MAP_COPY'])
1307 LB2_LINUX_TEST_RESULT([bdi_cap_map_copy], [
1308 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1309 [BDI_CAP_MAP_COPY exist])
1311 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1314 # LC_HAVE_PROJECT_QUOTA
1316 # Kernel version v4.0-rc1-197-g847aac644e92
1318 AC_DEFUN([LC_SRC_HAVE_PROJECT_QUOTA], [
1319 LB2_LINUX_TEST_SRC([get_projid], [
1321 #include <linux/quota.h>
1323 struct dquot_operations ops = { };
1325 ops.get_projid(NULL, NULL);
1328 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1329 AC_MSG_CHECKING([if get_projid exists])
1330 LB2_LINUX_TEST_RESULT([get_projid], [
1331 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1332 [get_projid function exists])
1334 ]) # LC_HAVE_PROJECT_QUOTA
1339 # 4.1 kernel has iov_iter_rw
1341 AC_DEFUN([LC_SRC_IOV_ITER_RW], [
1342 LB2_LINUX_TEST_SRC([iov_iter_rw], [
1343 #include <linux/fs.h>
1344 #include <linux/uio.h>
1346 struct iov_iter *iter = NULL;
1351 AC_DEFUN([LC_IOV_ITER_RW], [
1352 AC_MSG_CHECKING([if iov_iter_rw exist])
1353 LB2_LINUX_TEST_RESULT([iov_iter_rw], [
1354 AC_DEFINE(HAVE_IOV_ITER_RW, 1, [iov_iter_rw exist])
1359 # LC_HAVE_SYNC_READ_WRITE
1361 # 4.1 new_sync_[read|write] no longer exported
1363 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1364 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1365 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1366 [new_sync_[read|write] is exported by the kernel])])
1367 ]) # LC_HAVE_SYNC_READ_WRITE
1372 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1374 AC_DEFUN([LC_SRC_HAVE___BI_CNT], [
1375 LB2_LINUX_TEST_SRC([have___bi_cnt], [
1376 #include <asm/atomic.h>
1377 #include <linux/bio.h>
1378 #include <linux/blk_types.h>
1380 struct bio bio = { };
1382 cnt = atomic_read(&bio.__bi_cnt);
1385 AC_DEFUN([LC_HAVE___BI_CNT], [
1386 AC_MSG_CHECKING([if Linux kernel has __bi_cnt in struct bio])
1387 LB2_LINUX_TEST_RESULT([have___bi_cnt], [
1388 AC_DEFINE(HAVE___BI_CNT, 1, [struct bio has __bi_cnt])
1390 ]) # LC_HAVE___BI_CNT
1393 # LC_SYMLINK_OPS_USE_NAMEIDATA
1395 # For the 4.2+ kernels the file system internal symlink api no
1396 # longer uses struct nameidata as a argument
1398 AC_DEFUN([LC_SRC_SYMLINK_OPS_USE_NAMEIDATA], [
1399 LB2_LINUX_TEST_SRC([symlink_use_nameidata], [
1400 #include <linux/namei.h>
1401 #include <linux/fs.h>
1403 struct nameidata *nd = NULL;
1405 ((struct inode_operations *)0)->follow_link(NULL, nd);
1406 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1409 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1410 AC_MSG_CHECKING([if symlink inode operations have struct nameidata argument])
1411 LB2_LINUX_TEST_RESULT([symlink_use_nameidata], [
1412 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1413 [symlink inode operations need struct nameidata argument])
1415 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1418 # LC_BIO_ENDIO_USES_ONE_ARG
1420 # 4.2 kernel bio_endio now only takes one argument
1422 AC_DEFUN([LC_SRC_BIO_ENDIO_USES_ONE_ARG], [
1423 LB2_LINUX_TEST_SRC([bio_endio], [
1424 #include <linux/bio.h>
1429 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1430 AC_MSG_CHECKING([if 'bio_endio' with one argument exist])
1431 LB2_LINUX_TEST_RESULT([bio_endio], [
1432 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1433 [bio_endio takes only one argument])
1435 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1438 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1440 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1442 AC_DEFUN([LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1443 LB2_LINUX_TEST_SRC([account_page_dirtied_3a], [
1444 #include <linux/mm.h>
1446 account_page_dirtied(NULL, NULL, NULL);
1449 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1450 AC_MSG_CHECKING([if 'account_page_dirtied' with 3 args exists])
1451 LB2_LINUX_TEST_RESULT([account_page_dirtied_3a], [
1452 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1453 [account_page_dirtied takes three arguments])
1455 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1458 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1460 # Kernel version 4.12 commit 7a7ffe65c8c5
1461 # introduced crypto_alloc_skcipher().
1463 AC_DEFUN([LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1464 LB2_LINUX_TEST_SRC([crypto_alloc_skcipher], [
1465 #include <crypto/skcipher.h>
1467 crypto_alloc_skcipher(NULL, 0, 0);
1470 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1471 AC_MSG_CHECKING([if crypto_alloc_skcipher is defined])
1472 LB2_LINUX_TEST_RESULT([crypto_alloc_skcipher], [
1473 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1474 [crypto_alloc_skcipher is defined])
1476 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1479 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1481 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1482 # 'struct blk_integrity_profile' is also added in this version,
1483 # thus use this to determine whether 'struct blk_integrity' has profile
1485 AC_DEFUN([LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1486 LB2_LINUX_TEST_SRC([blk_integrity_interval_exp], [
1487 #include <linux/blkdev.h>
1489 ((struct blk_integrity *)0)->interval_exp = 0;
1492 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1493 AC_MSG_CHECKING([if 'blk_integrity.interval_exp' exist])
1494 LB2_LINUX_TEST_RESULT([blk_integrity_interval_exp], [
1495 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1496 [blk_integrity.interval_exp exist])
1498 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1501 # LC_HAVE_CACHE_HEAD_HLIST
1503 # 4.3 kernel swiched to hlist for cache_head
1505 AC_DEFUN([LC_SRC_HAVE_CACHE_HEAD_HLIST], [
1506 LB2_LINUX_TEST_SRC([cache_head_has_hlist], [
1507 #include <linux/sunrpc/cache.h>
1509 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1512 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1513 AC_MSG_CHECKING([if 'struct cache_head' has 'cache_list' field])
1514 LB2_LINUX_TEST_RESULT([cache_head_has_hlist], [
1515 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1516 [cache_head has hlist cache_list])
1518 ]) # LC_HAVE_CACHE_HEAD_HLIST
1521 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1523 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1524 # simplified xattr_handler handling by passing in the handler pointer
1526 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1527 LB2_LINUX_TEST_SRC([xattr_handler_simplified], [
1528 #include <linux/xattr.h>
1530 struct xattr_handler handler;
1532 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1533 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1536 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1537 AC_MSG_CHECKING([if 'struct xattr_handler' functions pass in handler pointer])
1538 LB2_LINUX_TEST_RESULT([xattr_handler_simplified], [
1539 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1,
1540 [handler pointer is parameter])
1542 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1545 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1547 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1549 AC_DEFUN([LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1550 LB2_LINUX_TEST_SRC([bio_integrity_payload_bip_iter], [
1551 #include <linux/bio.h>
1553 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1556 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1557 AC_MSG_CHECKING([if 'bio_integrity_payload.bip_iter' exist])
1558 LB2_LINUX_TEST_RESULT([bio_integrity_payload_bip_iter], [
1559 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1560 [bio_integrity_payload.bip_iter exist])
1562 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1565 # LC_BIO_INTEGRITY_PREP_FN
1567 # Lustre kernel patch extents bio_integrity_prep to accept optional
1568 # generate/verify_fn as extra args.
1570 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN], [
1571 LB2_LINUX_TEST_SRC([bio_integrity_prep_fn], [
1572 #include <linux/bio.h>
1574 bio_integrity_prep_fn(NULL, NULL, NULL);
1577 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1578 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' exists])
1579 LB2_LINUX_TEST_RESULT([bio_integrity_prep_fn], [
1580 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1581 [kernel has bio_integrity_prep_fn])
1582 AC_SUBST(PATCHED_INTEGRITY_INTF)
1584 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1586 ]) # LC_BIO_INTEGRITY_PREP_FN
1588 # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1590 # 13 kernel integrity API has changed and in 4.13+
1591 # (as well as in rhel 8.4) bio_integrity_prep() returns boolean true
1594 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1595 LB2_LINUX_TEST_SRC([bio_integrity_prep_ret_bool], [
1596 #include <linux/bio.h>
1597 #include <linux/typecheck.h>
1599 #pragma GCC diagnostic warning "-Werror"
1600 typedef bool (*bio_integrity_prep_type)(struct bio *bio) ;
1602 typecheck_fn(bio_integrity_prep_type, bio_integrity_prep);
1605 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1606 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' returns bool])
1607 LB2_LINUX_TEST_RESULT([bio_integrity_prep_ret_bool], [
1608 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL, 1,
1609 [bio_integrity_prep_fn returns bool])
1611 ]) # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1616 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1618 AC_DEFUN([LC_SRC_HAVE_BI_OPF], [
1619 LB2_LINUX_TEST_SRC([have_bi_opf], [
1620 #include <linux/bio.h>
1627 AC_DEFUN([LC_HAVE_BI_OPF], [
1628 AC_MSG_CHECKING([if Linux kernel has bi_opf in struct bio])
1629 LB2_LINUX_TEST_RESULT([have_bi_opf], [
1630 AC_DEFINE(HAVE_BI_OPF, 1, [struct bio has bi_opf])
1635 # LC_HAVE_SUBMIT_BIO_2ARGS
1637 # 4.4 removed an argument from submit_bio
1639 AC_DEFUN([LC_SRC_HAVE_SUBMIT_BIO_2ARGS], [
1640 LB2_LINUX_TEST_SRC([have_submit_bio_2args], [
1641 #include <linux/bio.h>
1644 submit_bio(READ, &bio);
1647 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1648 AC_MSG_CHECKING([if submit_bio takes two arguments])
1649 LB2_LINUX_TEST_RESULT([have_submit_bio_2args], [
1650 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1651 [submit_bio takes two arguments])
1653 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1656 # LC_HAVE_CLEAN_BDEV_ALIASES
1658 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1659 # (SLES12/kernel commit 29f3ad7d8380364c)
1661 AC_DEFUN([LC_SRC_HAVE_CLEAN_BDEV_ALIASES], [
1662 LB2_LINUX_TEST_SRC([have_clean_bdev_aliases], [
1663 #include <linux/buffer_head.h>
1665 clean_bdev_aliases(NULL,1,1);
1668 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1669 AC_MSG_CHECKING([if kernel has clean_bdev_aliases])
1670 LB2_LINUX_TEST_RESULT([have_clean_bdev_aliases], [
1671 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1672 [kernel has clean_bdev_aliases])
1674 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1677 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1679 # 4.4 kernel have moved locks API users to
1680 # locks_lock_inode_wait()
1682 AC_DEFUN([LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1683 LB2_LINUX_TEST_SRC([locks_lock_file_wait], [
1684 #include <linux/fs.h>
1686 locks_lock_file_wait(NULL, NULL);
1689 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1690 AC_MSG_CHECKING([if 'locks_lock_file_wait' exists])
1691 LB2_LINUX_TEST_RESULT([locks_lock_file_wait], [
1692 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1693 [kernel has locks_lock_file_wait])
1695 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1698 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1700 # 4.4 kernel merged type-specific data with the payload data for keys
1702 AC_DEFUN([LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1703 LB2_LINUX_TEST_SRC([key_payload_data_array], [
1704 #include <linux/key.h>
1706 struct key key = { };
1708 key.payload.data[0] = NULL;
1711 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1712 AC_MSG_CHECKING([if 'struct key' has 'payload.data' as an array])
1713 LB2_LINUX_TEST_RESULT([key_payload_data_array], [
1714 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1716 ]) # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1719 # LC_HAVE_XATTR_HANDLER_NAME
1721 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1722 # add a name member to struct xattr_handler
1724 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_NAME], [
1725 LB2_LINUX_TEST_SRC([xattr_handler_name], [
1726 #include <linux/xattr.h>
1728 ((struct xattr_handler *)NULL)->name = NULL;
1731 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1732 AC_MSG_CHECKING([if 'struct xattr_handler' has a name member])
1733 LB2_LINUX_TEST_RESULT([xattr_handler_name], [
1734 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
1735 [xattr_handler has a name member])
1737 ]) # LC_HAVE_XATTR_HANDLER_NAME
1740 # LC_HAVE_FILE_DENTRY
1742 # 4.5 adds wrapper file_dentry
1744 AC_DEFUN([LC_SRC_HAVE_FILE_DENTRY], [
1745 LB2_LINUX_TEST_SRC([file_dentry], [
1746 #include <linux/fs.h>
1751 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1752 AC_MSG_CHECKING([if Linux kernel has 'file_dentry'])
1753 LB2_LINUX_TEST_RESULT([file_dentry], [
1754 AC_DEFINE(HAVE_FILE_DENTRY, 1, [kernel has file_dentry])
1756 ]) # LC_HAVE_FILE_DENTRY
1759 # LC_HAVE_INODE_LOCK
1761 # 4.5 introduced inode_lock
1763 AC_DEFUN([LC_SRC_HAVE_INODE_LOCK], [
1764 LB2_LINUX_TEST_SRC([inode_lock], [
1765 #include <linux/fs.h>
1770 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1771 AC_MSG_CHECKING([if 'inode_lock' is defined])
1772 LB2_LINUX_TEST_RESULT([inode_lock], [
1773 AC_DEFINE(HAVE_INODE_LOCK, 1, [inode_lock is defined])
1775 ]) # LC_HAVE_INODE_LOCK
1778 # LC_HAVE_IOP_GET_LINK
1780 # 4.5 vfs replaced iop->follow_link with
1783 AC_DEFUN([LC_SRC_HAVE_IOP_GET_LINK], [
1784 LB2_LINUX_TEST_SRC([inode_ops_get_link], [
1785 #include <linux/fs.h>
1787 struct inode_operations iop;
1788 iop.get_link = NULL;
1791 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1792 AC_MSG_CHECKING([if 'iop' has 'get_link'])
1793 LB2_LINUX_TEST_RESULT([inode_ops_get_link], [
1794 AC_DEFINE(HAVE_IOP_GET_LINK, 1, [have iop get_link])
1796 ]) # LC_HAVE_IOP_GET_LINK
1799 # LC_HAVE_IN_COMPAT_SYSCALL
1801 # 4.6 renamed is_compat_task to in_compat_syscall
1803 AC_DEFUN([LC_SRC_HAVE_IN_COMPAT_SYSCALL], [
1804 LB2_LINUX_TEST_SRC([in_compat_syscall], [
1805 #include <linux/compat.h>
1807 in_compat_syscall();
1810 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1811 AC_MSG_CHECKING([if 'in_compat_syscall' is defined])
1812 LB2_LINUX_TEST_RESULT([in_compat_syscall], [
1813 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1, [have in_compat_syscall])
1815 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1818 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1820 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1821 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1822 # to xattr_handler functions
1824 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1825 LB2_LINUX_TEST_SRC([xattr_handler_inode_param], [
1826 #include <linux/xattr.h>
1828 const struct xattr_handler handler;
1830 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1831 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1834 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1835 AC_MSG_CHECKING([if 'struct xattr_handler' functions have inode parameter])
1836 LB2_LINUX_TEST_RESULT([xattr_handler_inode_param], [
1837 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1839 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1844 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1845 # introduced parallel lookups in the VFS layer. The inline function
1846 # d_in_lookup was added to notify when the same item was being queried
1849 AC_DEFUN([LC_SRC_D_IN_LOOKUP], [
1850 LB2_LINUX_TEST_SRC([d_in_lookup], [
1851 #include <linux/dcache.h>
1856 AC_DEFUN([LC_D_IN_LOOKUP], [
1857 AC_MSG_CHECKING([if 'd_in_lookup' is defined])
1858 LB2_LINUX_TEST_RESULT([d_in_lookup], [
1859 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1864 # LC_LOCK_PAGE_MEMCG
1866 # Kernel version 4.6 adds lock_page_memcg(page)
1867 # Linux commit v5.15-12273-gab2f9d2d3626
1868 # mm: unexport {,un}lock_page_memcg
1870 AC_DEFUN([LC_SRC_LOCK_PAGE_MEMCG], [
1871 LB2_LINUX_TEST_SRC([lock_page_memcg], [
1872 #include <linux/memcontrol.h>
1874 lock_page_memcg(NULL);
1877 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1878 AC_MSG_CHECKING([if 'lock_page_memcg' is defined])
1879 LB2_LINUX_TEST_RESULT([lock_page_memcg], [
1880 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1, [lock_page_memcg is defined])
1882 ]) # LC_LOCK_PAGE_MEMCG
1885 # LC_HAVE_DOWN_WRITE_KILLABLE
1887 # Kernel version v4.6-rc3-28-g916633a40370
1889 AC_DEFUN([LC_SRC_HAVE_DOWN_WRITE_KILLABLE], [
1890 LB2_LINUX_TEST_SRC([down_write_killable], [
1891 #include <linux/rwsem.h>
1893 struct rw_semaphore sem;
1897 rc = down_write_killable(&sem);
1901 AC_DEFUN([LC_HAVE_DOWN_WRITE_KILLABLE], [
1902 AC_MSG_CHECKING([if down_write_killable exists])
1903 LB2_LINUX_TEST_RESULT([down_write_killable], [
1904 AC_DEFINE(HAVE_DOWN_WRITE_KILLABLE, 1,
1905 [down_write_killable function exists])
1907 ]) # LC_HAVE_DOWN_WRITE_KILLABLE
1912 # Kernel version 4.7-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
1913 # add new d_init to initialize dentry at allocation time
1915 AC_DEFUN([LC_SRC_D_INIT], [
1916 LB2_LINUX_TEST_SRC([d_init], [
1917 #include <linux/dcache.h>
1919 struct dentry_operations ops = { };
1922 rc = ops.d_init(NULL);
1925 AC_DEFUN([LC_D_INIT], [
1926 AC_MSG_CHECKING([if dentry operations supports 'd_init'])
1927 LB2_LINUX_TEST_RESULT([d_init], [
1928 AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
1935 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1936 # direct-io: eliminate the offset argument to ->direct_IO
1938 AC_DEFUN([LC_SRC_DIRECTIO_2ARGS], [
1939 LB2_LINUX_TEST_SRC([direct_io_2args], [
1940 #include <linux/fs.h>
1942 struct address_space_operations ops = { };
1943 struct iov_iter *iter = NULL;
1944 struct kiocb *iocb = NULL;
1947 rc = ops.direct_IO(iocb, iter);
1950 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1951 AC_MSG_CHECKING([if '->direct_IO()' takes 2 arguments])
1952 LB2_LINUX_TEST_RESULT([direct_io_2args], [
1953 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1, [direct_IO has 2 arguments])
1955 ]) # LC_DIRECTIO_2ARGS
1958 # LC_GENERIC_WRITE_SYNC_2ARGS
1960 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1961 # fs: add IOCB_SYNC and IOCB_DSYNC
1963 AC_DEFUN([LC_SRC_GENERIC_WRITE_SYNC_2ARGS], [
1964 LB2_LINUX_TEST_SRC([generic_write_sync_2args], [
1965 #include <linux/fs.h>
1967 struct kiocb *iocb = NULL;
1970 rc = generic_write_sync(iocb, 0);
1973 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1974 AC_MSG_CHECKING([if 'generic_write_sync()' takes 2 arguments])
1975 LB2_LINUX_TEST_RESULT([generic_write_sync_2args], [
1976 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1977 [generic_write_sync has 2 arguments])
1979 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1982 # LC_FOP_ITERATE_SHARED
1984 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1986 AC_DEFUN([LC_SRC_FOP_ITERATE_SHARED], [
1987 LB2_LINUX_TEST_SRC([fop_iterate_shared], [
1988 #include <linux/fs.h>
1990 struct file_operations fop;
1991 fop.iterate_shared = NULL;
1994 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1995 AC_MSG_CHECKING([if 'file_operations' has 'iterate_shared'])
1996 LB2_LINUX_TEST_RESULT([fop_iterate_shared], [
1997 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1998 [file_operations has iterate_shared])
2000 ]) # LC_FOP_ITERATE_SHARED
2003 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
2005 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
2006 # generic_file_splice_read() to using ->read_iter. We can test this
2007 # change since default_file_splice_read() is no longer exported.
2009 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
2010 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
2011 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
2012 [default_file_splice_read is exported])])
2013 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
2016 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2018 # 4.8 posix_acl_valid takes struct user_namespace
2020 AC_DEFUN([LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS], [
2021 LB2_LINUX_TEST_SRC([posix_acl_valid], [
2022 #include <linux/fs.h>
2023 #include <linux/posix_acl.h>
2025 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2028 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2029 AC_MSG_CHECKING([if 'posix_acl_valid' takes 'struct user_namespace'])
2030 LB2_LINUX_TEST_RESULT([posix_acl_valid], [
2031 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2032 [posix_acl_valid takes struct user_namespace])
2034 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2037 # LC_D_COMPARE_4ARGS
2039 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2040 # get rid of 'parent' argument of ->d_compare()
2042 AC_DEFUN([LC_SRC_D_COMPARE_4ARGS], [
2043 LB2_LINUX_TEST_SRC([d_compare_4args], [
2044 #include <linux/dcache.h>
2046 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2049 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2050 AC_MSG_CHECKING([if 'd_compare' taken 4 arguments])
2051 LB2_LINUX_TEST_RESULT([d_compare_4args], [
2052 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2053 [d_compare need 4 arguments])
2055 ]) # LC_D_COMPARE_4ARGS
2058 # LC_FULL_NAME_HASH_3ARGS
2060 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2061 # vfs: make the string hashes salt the hash
2063 AC_DEFUN([LC_SRC_FULL_NAME_HASH_3ARGS], [
2064 LB2_LINUX_TEST_SRC([full_name_hash_3args], [
2065 #include <linux/stringhash.h>
2068 hash = full_name_hash(NULL,NULL,0);
2071 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2072 AC_MSG_CHECKING([if 'full_name_hash' taken 3 arguments])
2073 LB2_LINUX_TEST_RESULT([full_name_hash_3args], [
2074 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2075 [full_name_hash need 3 arguments])
2077 ]) # LC_FULL_NAME_HASH_3ARGS
2080 # LC_STRUCT_POSIX_ACL_XATTR
2082 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2083 # posix_acl: xattr representation cleanups
2085 AC_DEFUN([LC_SRC_STRUCT_POSIX_ACL_XATTR], [
2086 LB2_LINUX_TEST_SRC([struct_posix_acl_xattr], [
2087 #include <linux/fs.h>
2088 #include <linux/posix_acl_xattr.h>
2090 struct posix_acl_xattr_header *h = NULL;
2091 struct posix_acl_xattr_entry *e;
2092 e = (void *)(h + 1);
2095 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2096 AC_MSG_CHECKING([if 'struct posix_acl_xattr_{header,entry}' defined])
2097 LB2_LINUX_TEST_RESULT([struct_posix_acl_xattr], [
2098 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2099 [struct posix_acl_xattr_{header,entry} defined])
2101 ]) # LC_STRUCT_POSIX_ACL_XATTR
2106 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2107 # removed {get,set,remove}xattr inode operations
2109 AC_DEFUN([LC_SRC_IOP_XATTR], [
2110 LB2_LINUX_TEST_SRC([inode_ops_xattr], [
2111 #include <linux/fs.h>
2113 struct inode_operations iop;
2114 iop.setxattr = NULL;
2115 iop.getxattr = NULL;
2116 iop.removexattr = NULL;
2119 AC_DEFUN([LC_IOP_XATTR], [
2120 AC_MSG_CHECKING([if 'inode_operations' has {get,set,remove}xattr members])
2121 LB2_LINUX_TEST_RESULT([inode_ops_xattr], [
2122 AC_DEFINE(HAVE_IOP_XATTR, 1,
2123 [inode_operations has {get,set,remove}xattr members])
2130 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2131 # cred: simpler, 1D supplementary groups
2133 AC_DEFUN([LC_SRC_GROUP_INFO_GID], [
2134 LB2_LINUX_TEST_SRC([group_info_gid], [
2135 #include <linux/cred.h>
2138 p = ((struct group_info *)0)->gid;
2141 AC_DEFUN([LC_GROUP_INFO_GID], [
2142 AC_MSG_CHECKING([if 'struct group_info' has member 'gid'])
2143 LB2_LINUX_TEST_RESULT([group_info_gid], [
2144 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2145 [struct group_info has member gid])
2147 ]) # LC_GROUP_INFO_GID
2152 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2153 # added __vfs_{get,set,remove}xattr helpers
2155 AC_DEFUN([LC_SRC_VFS_SETXATTR], [
2156 LB2_LINUX_TEST_SRC([vfs_setxattr], [
2157 #include <linux/xattr.h>
2159 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2162 AC_DEFUN([LC_VFS_SETXATTR], [
2163 AC_MSG_CHECKING([if '__vfs_setxattr' helper is available])
2164 LB2_LINUX_TEST_RESULT([vfs_setxattr], [
2165 AC_DEFINE(HAVE_VFS_SETXATTR, 1, ['__vfs_setxattr' is available])
2167 ]) # LC_VFS_SETXATTR
2170 # LC_POSIX_ACL_UPDATE_MODE
2172 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2173 # posix_acl: Clear SGID bit when setting file permissions
2175 AC_DEFUN([LC_SRC_POSIX_ACL_UPDATE_MODE], [
2176 LB2_LINUX_TEST_SRC([posix_acl_update_mode], [
2177 #include <linux/fs.h>
2178 #include <linux/posix_acl.h>
2180 posix_acl_update_mode(NULL, NULL, NULL);
2183 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2184 AC_MSG_CHECKING([if 'posix_acl_update_mode' exists])
2185 LB2_LINUX_TEST_RESULT([posix_acl_update_mode], [
2186 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2187 ['posix_acl_update_mode' is available])
2189 ]) # LC_POSIX_ACL_UPDATE_MODE
2192 # LC_HAVE_BDI_IO_PAGES
2194 # Kernel version 4.9 commit 9491ae4aade6814afcfa67f4eb3e3342c2b39750
2195 # mm: don't cap request size based on read-ahead setting
2196 # This patch introduces a bdi hint, io_pages.
2198 AC_DEFUN([LC_SRC_HAVE_BDI_IO_PAGES], [
2199 LB2_LINUX_TEST_SRC([bdi_has_io_pages], [
2200 #include <linux/backing-dev.h>
2202 struct backing_dev_info info;
2207 AC_DEFUN([LC_HAVE_BDI_IO_PAGES], [
2208 AC_MSG_CHECKING([if 'struct backing_dev_info' has 'io_pages' field])
2209 LB2_LINUX_TEST_RESULT([bdi_has_io_pages], [
2210 AC_DEFINE(HAVE_BDI_IO_PAGES, 1,
2211 [backing_dev_info has io_pages])
2213 ]) # LC_HAVE_BDI_IO_PAGES
2216 # LC_IOP_GENERIC_READLINK
2218 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2219 # removed generic_readlink from individual file systems
2221 AC_DEFUN([LC_SRC_IOP_GENERIC_READLINK], [
2222 LB2_LINUX_TEST_SRC([inode_ops_readlink], [
2223 #include <linux/fs.h>
2225 struct inode_operations iop;
2226 iop.readlink = generic_readlink;
2229 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2230 AC_MSG_CHECKING([if 'generic_readlink' still exist])
2231 LB2_LINUX_TEST_RESULT([inode_ops_readlink], [
2232 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2233 [generic_readlink has been removed])
2235 ]) # LC_IOP_GENERIC_READLINK
2238 # LC_HAVE_VM_FAULT_ADDRESS
2240 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2241 # removed virtual_address field. Need to use address field instead
2243 AC_DEFUN([LC_SRC_HAVE_VM_FAULT_ADDRESS], [
2244 LB2_LINUX_TEST_SRC([vm_fault_address], [
2245 #include <linux/mm.h>
2247 struct vm_fault vmf = { 0 };
2248 unsigned long addr = (unsigned long)vmf.address;
2252 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2253 AC_MSG_CHECKING([if 'struct vm_fault' replaced virtual_address with address field])
2254 LB2_LINUX_TEST_RESULT([vm_fault_address], [
2255 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2256 [virtual_address has been replaced by address field])
2258 ]) # LC_HAVE_VM_FAULT_ADDRESS
2261 # LC_INODEOPS_ENHANCED_GETATTR
2263 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2264 # expanded getattr to be able to get more stat information.
2266 AC_DEFUN([LC_SRC_INODEOPS_ENHANCED_GETATTR], [
2267 LB2_LINUX_TEST_SRC([getattr_path], [
2268 #include <linux/fs.h>
2272 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2275 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2276 AC_MSG_CHECKING([if 'inode_operations' getattr member can gather advance stats])
2277 LB2_LINUX_TEST_RESULT([getattr_path], [
2278 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2279 [inode_operations .getattr member function can gather advance stats])
2281 ]) # LC_INODEOPS_ENHANCED_GETATTR
2284 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2286 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2287 # removed struct vm_area_struct as an argument for vm_operations since
2288 # in the same kernel version struct vma_area_struct was folded into
2291 AC_DEFUN([LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2292 LB2_LINUX_TEST_SRC([vm_operations_no_vm_area_struct], [
2293 #include <linux/mm.h>
2295 struct vm_fault vmf;
2297 ((struct vm_operations_struct *)0)->fault(&vmf);
2298 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2301 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2302 AC_MSG_CHECKING([if 'struct vm_operations' removed struct vm_area_struct])
2303 LB2_LINUX_TEST_RESULT([vm_operations_no_vm_area_struct], [
2304 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2305 ['struct vm_operations' remove struct vm_area_struct argument])
2307 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2310 # LC_HAVE_KEY_USAGE_REFCOUNT
2312 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2313 # converted key.usage from atomic_t to refcount_t.
2315 AC_DEFUN([LC_SRC_HAVE_KEY_USAGE_REFCOUNT], [
2316 LB2_LINUX_TEST_SRC([key_usage_refcount], [
2317 #include <linux/key.h>
2319 struct key key = { };
2321 refcount_read(&key.usage);
2324 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2325 AC_MSG_CHECKING([if 'key.usage' is refcount_t])
2326 LB2_LINUX_TEST_RESULT([key_usage_refcount], [
2327 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1,
2328 [key.usage is of type refcount_t])
2330 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2333 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2335 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2336 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2338 AC_DEFUN([LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2339 LB2_LINUX_TEST_SRC([crypto_max_alg_name], [
2340 #include <linux/crypto.h>
2342 #if CRYPTO_MAX_ALG_NAME != 128
2347 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2348 AC_MSG_CHECKING([if 'CRYPTO_MAX_ALG_NAME' is 128])
2349 LB2_LINUX_TEST_RESULT([crypto_max_alg_name], [
2350 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2351 ['CRYPTO_MAX_ALG_NAME' is 128])
2353 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2356 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2357 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2360 AC_DEFUN([LC_SRC_CURRENT_TIME], [
2361 LB2_LINUX_TEST_SRC([current_time], [
2362 #include <linux/fs.h>
2366 attr.ia_atime = current_time(NULL);
2369 AC_DEFUN([LC_CURRENT_TIME], [
2370 AC_MSG_CHECKING([if CURRENT_TIME has been replaced with current_time])
2371 LB2_LINUX_TEST_RESULT([current_time], [
2372 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2373 [current_time() has replaced CURRENT_TIME])
2375 ]) # LC_CURRENT_TIME
2378 # LC_HAVE_GET_INODE_USAGE
2380 # Kernel version v4.12-rc2-43-g7a9ca53aea10
2382 AC_DEFUN([LC_SRC_HAVE_GET_INODE_USAGE], [
2383 LB2_LINUX_TEST_SRC([get_inode_usage], [
2385 #include <linux/quota.h>
2387 struct dquot_operations ops = { };
2389 ops.get_inode_usage(NULL, NULL);
2392 AC_DEFUN([LC_HAVE_GET_INODE_USAGE], [
2393 AC_MSG_CHECKING([if get_inode_usage exists])
2394 LB2_LINUX_TEST_RESULT([get_inode_usage], [
2395 AC_DEFINE(HAVE_GET_INODE_USAGE, 1,
2396 [get_inode_usage function exists])
2398 ]) # LC_HAVE_GET_INODE_USAGE
2401 # LC_SUPER_SETUP_BDI_NAME
2403 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2404 # unified bdi handling
2406 AC_DEFUN([LC_SRC_SUPER_SETUP_BDI_NAME], [
2407 LB2_LINUX_TEST_SRC([super_setup_bdi_name], [
2408 #include <linux/fs.h>
2410 super_setup_bdi_name(NULL, "lustre");
2413 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2414 AC_MSG_CHECKING([if 'super_setup_bdi_name' exist])
2415 LB2_LINUX_TEST_RESULT([super_setup_bdi_name], [
2416 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2417 ['super_setup_bdi_name' is available])
2419 ]) # LC_SUPER_SETUP_BDI_NAME
2424 # 4.12 replace bi_error to bi_status
2426 AC_DEFUN([LC_SRC_BI_STATUS], [
2427 LB2_LINUX_TEST_SRC([bi_status], [
2428 #include <linux/blk_types.h>
2430 ((struct bio *)0)->bi_status = 0;
2433 AC_DEFUN([LC_BI_STATUS], [
2434 AC_MSG_CHECKING([if 'bi_status' exist])
2435 LB2_LINUX_TEST_RESULT([bi_status], [
2436 AC_DEFINE(HAVE_BI_STATUS, 1, ['bi_status' is available])
2441 # LC_BIO_INTEGRITY_ENABLED
2443 # 4.13 removed bio_integrity_enabled
2445 AC_DEFUN([LC_SRC_BIO_INTEGRITY_ENABLED], [
2446 LB2_LINUX_TEST_SRC([bio_integrity_enabled], [
2447 #include <linux/bio.h>
2449 bio_integrity_enabled(NULL);
2452 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2453 AC_MSG_CHECKING([if 'bio_integrity_enabled' exist])
2454 LB2_LINUX_TEST_RESULT([bio_integrity_enabled], [
2455 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2456 ['bio_integrity_enabled' is available])
2458 ]) # LC_BIO_INTEGRITY_ENABLED
2461 # LC_PAGEVEC_INIT_ONE_PARAM
2463 # 4.14 pagevec_init takes one parameter
2465 AC_DEFUN([LC_SRC_PAGEVEC_INIT_ONE_PARAM], [
2466 LB2_LINUX_TEST_SRC([pagevec_init], [
2467 #include <linux/pagevec.h>
2472 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2473 AC_MSG_CHECKING([if 'pagevec_init' takes one parameter])
2474 LB2_LINUX_TEST_RESULT([pagevec_init], [
2475 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2476 ['pagevec_init' takes one parameter])
2478 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2483 # 4.14 replaced bi_bdev to bi_disk
2485 AC_DEFUN([LC_SRC_BI_BDEV], [
2486 LB2_LINUX_TEST_SRC([bi_bdev], [
2487 #include <linux/bio.h>
2489 ((struct bio *)0)->bi_bdev = NULL;
2492 AC_DEFUN([LC_BI_BDEV], [
2493 AC_MSG_CHECKING([if 'bi_bdev' exist])
2494 LB2_LINUX_TEST_RESULT([bi_bdev], [
2495 AC_DEFINE(HAVE_BI_BDEV, 1, ['bi_bdev' is available])
2500 # LC_INTERVAL_TREE_CACHED
2502 # 4.14 f808c13fd3738948e10196496959871130612b61
2503 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2505 AC_DEFUN([LC_SRC_INTERVAL_TREE_CACHED], [
2506 LB2_LINUX_TEST_SRC([itree_cached], [
2507 #include <linux/interval_tree_generic.h>
2508 struct foo { struct rb_node rb; int last; int a,b;};
2509 #define START(n) ((n)->a)
2510 #define LAST(n) ((n)->b)
2511 struct rb_root_cached tree;
2512 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2513 START, LAST, , foo);
2515 foo_insert(NULL, &tree);
2518 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2519 AC_MSG_CHECKING([if interval_trees use rb_tree_cached])
2520 LB2_LINUX_TEST_RESULT([itree_cached], [
2521 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2522 [interval trees use rb_tree_cached])
2524 ]) # LC_INTERVAL_TREE_CACHED
2529 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2531 AC_DEFUN([LC_IS_ENCRYPTED], [
2532 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2534 #include <linux/fs.h>
2536 (void)IS_ENCRYPTED((struct inode *)1);
2538 has_is_encrypted="yes"
2540 ]) # LC_IS_ENCRYPTED used by LC_CONFIG_CRYPTO
2545 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2547 AC_DEFUN([LC_SRC_I_PAGES], [
2548 LB2_LINUX_TEST_SRC([i_pages], [
2549 #include <linux/fs.h>
2551 struct address_space mapping = {};
2554 i_pages = &mapping.i_pages;
2557 AC_DEFUN([LC_I_PAGES], [
2558 AC_MSG_CHECKING([if struct address_space has i_pages])
2559 LB2_LINUX_TEST_RESULT([i_pages], [
2560 AC_DEFINE(HAVE_I_PAGES, 1, [struct address_space has i_pages])
2567 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2568 # mm: create the new vm_fault_t type
2570 AC_DEFUN([LC_SRC_VM_FAULT_T], [
2571 LB2_LINUX_TEST_SRC([vm_fault_t], [
2572 #include <linux/mm_types.h>
2574 vm_fault_t x = VM_FAULT_SIGBUS;
2578 AC_DEFUN([LC_VM_FAULT_T], [
2579 AC_MSG_CHECKING([if vm_fault_t type exists])
2580 LB2_LINUX_TEST_RESULT([vm_fault_t], [
2581 AC_DEFINE(HAVE_VM_FAULT_T, 1, [if vm_fault_t type exists])
2588 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2589 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2591 AC_DEFUN([LC_SRC_VM_FAULT_RETRY], [
2592 LB2_LINUX_TEST_SRC([VM_FAULT_RETRY], [
2593 #include <linux/mm.h>
2595 #ifndef VM_FAULT_RETRY
2601 AC_DEFUN([LC_VM_FAULT_RETRY], [
2602 AC_MSG_CHECKING([if VM_FAULT_RETRY is defined])
2603 LB2_LINUX_TEST_RESULT([VM_FAULT_RETRY], [
2604 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2605 [if VM_FAULT_RETRY is defined])
2607 ]) # LC_VM_FAULT_RETRY
2610 # LC_ALLOC_FILE_PSEUDO
2612 # kernel 4.18-rc1 commit d93aa9d82aea80b80f225dbf9c7986df444d8106
2613 # new wrapper: alloc_file_pseudo()
2615 AC_DEFUN([LC_SRC_ALLOC_FILE_PSEUDO], [
2616 LB2_LINUX_TEST_SRC([alloc_file_pseudo], [
2617 #include <linux/file.h>
2620 file = alloc_file_pseudo(NULL, NULL, "[test]",
2624 AC_DEFUN([LC_ALLOC_FILE_PSEUDO], [
2625 AC_MSG_CHECKING([if 'alloc_file_pseudo' is defined])
2626 LB2_LINUX_TEST_RESULT([alloc_file_pseudo], [
2627 AC_DEFINE(HAVE_ALLOC_FILE_PSEUDO, 1,
2628 ['alloc_file_pseudo' exist])
2630 ]) # LC_ALLOC_FILE_PSEUDO
2633 # LC_INODE_TIMESPEC64
2635 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2636 # fs: add timespec64_truncate()
2637 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2638 # inode timestamps switched to timespec64
2639 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2640 # y2038: remove unused time interfaces
2644 # When inode times are timespec64 stop using the deprecated
2647 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2648 # fs: Delete timespec64_trunc()
2650 AC_DEFUN([LC_SRC_INODE_TIMESPEC64], [
2651 LB2_LINUX_TEST_SRC([inode_timespec64], [
2652 #include <linux/fs.h>
2654 struct inode *inode = NULL;
2655 struct timespec64 ts = {0, 1};
2657 inode->i_atime = ts;
2661 AC_DEFUN([LC_INODE_TIMESPEC64], [
2662 AC_MSG_CHECKING([if inode timestamps are struct timespec64])
2663 LB2_LINUX_TEST_RESULT([inode_timespec64], [
2664 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2665 [inode times are using timespec64])
2667 ]) # LC_INODE_TIMESPEC64
2670 # LC_RADIX_TREE_TAG_SET
2672 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2673 # xarray: Add XArray marks - replaced radix_tree_tag_set
2675 AC_DEFUN([LC_SRC_RADIX_TREE_TAG_SET], [
2676 LB2_LINUX_TEST_SRC([radix_tree_tag_set], [
2677 #include <linux/fs.h>
2678 #include <linux/radix-tree.h>
2680 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2683 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2684 AC_MSG_CHECKING([if 'radix_tree_tag_set' exists])
2685 LB2_LINUX_TEST_RESULT([radix_tree_tag_set], [
2686 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2687 [radix_tree_tag_set exists])
2689 ]) # LC_RADIX_TREE_TAG_SET
2692 # LC_UAPI_LINUX_MOUNT_H
2694 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2695 # vfs: Suppress MS_* flag defs within the kernel ...
2697 AC_DEFUN([LC_SRC_UAPI_LINUX_MOUNT_H], [
2698 LB2_LINUX_TEST_SRC([uapi_linux_mount], [
2699 #include <uapi/linux/mount.h>
2705 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2706 AC_MSG_CHECKING([if MS_RDONLY was moved to uapi/linux/mount.h])
2707 LB2_LINUX_TEST_RESULT([uapi_linux_mount], [
2708 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2709 [if MS_RDONLY was moved to uapi/linux/mount.h])
2711 ]) # LC_UAPI_LINUX_MOUNT_H
2714 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2716 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2717 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2719 # Now that the reader functions are all RCU protected, use a regular
2720 # spinlock rather than a reader/writer lock.
2722 AC_DEFUN([LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2723 LB2_LINUX_TEST_SRC([hash_lock_isa_spinlock_t], [
2724 #include <linux/sunrpc/cache.h>
2726 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2730 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2731 AC_MSG_CHECKING([if cache_detail->hash_lock is a spinlock])
2732 LB2_LINUX_TEST_RESULT([hash_lock_isa_spinlock_t], [
2733 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2734 [if cache_detail->hash_lock is a spinlock])
2736 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2739 # LC_GENL_FAMILY_HAS_RESV_START_OP
2741 # Linux v5.0-11693-g3b0f31f2b8c9
2742 # genetlink: make policy common to family
2744 AC_DEFUN([LC_SRC_GENL_FAMILY_HAS_RESV_START_OP], [
2745 LB2_LINUX_TEST_SRC([genl_family_has_resv_start_op], [
2746 #include <net/genetlink.h>
2748 static const struct genl_family family = {
2749 .resv_start_op = 42,
2754 AC_DEFUN([LC_GENL_FAMILY_HAS_RESV_START_OP], [
2755 AC_MSG_CHECKING([if struct genl_family has resv_start_op member])
2756 LB2_LINUX_TEST_RESULT([genl_family_has_resv_start_op], [
2757 AC_DEFINE(GENL_FAMILY_HAS_RESV_START_OP, 1,
2758 [struct genl_family has resv_start_op member])
2760 ]) # LC_GENL_FAMILY_HAS_RESV_START_OP
2763 # LC_HAVE_BVEC_ITER_ALL
2765 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2766 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2768 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER_ALL], [
2769 LB2_LINUX_TEST_SRC([struct_bvec_iter_all], [
2770 #include <linux/bvec.h>
2772 struct bvec_iter_all iter;
2776 AC_DEFUN([LC_HAVE_BVEC_ITER_ALL], [
2777 AC_MSG_CHECKING([if bvec_iter_all exists for multi-page bvec iternation])
2778 LB2_LINUX_TEST_RESULT([struct_bvec_iter_all], [
2779 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2780 [if bvec_iter_all exists for multi-page bvec iternation])
2782 ]) # LC_HAVE_BVEC_ITER_ALL
2785 # LC_ACCOUNT_PAGE_DIRTIED
2787 # After 5.2 kernel page dirtied is not exported
2789 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2790 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2791 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2792 [account_page_dirtied is exported])])
2793 ]) # LC_ACCOUNT_PAGE_DIRTIED
2796 # LC_KEYRING_SEARCH_4ARGS
2798 # Kernel 5.2 commit dcf49dbc8077
2799 # keys: Add a 'recurse' flag for keyring searches
2801 AC_DEFUN([LC_SRC_KEYRING_SEARCH_4ARGS], [
2802 LB2_LINUX_TEST_SRC([keyring_search_4args], [
2803 #include <linux/key.h>
2806 keyring_search(keyring, NULL, NULL, false);
2809 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2810 AC_MSG_CHECKING([if 'keyring_search' has 4 args])
2811 LB2_LINUX_TEST_RESULT([keyring_search_4args], [
2812 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2813 [keyring_search has 4 args])
2815 ]) # LC_KEYRING_SEARCH_4ARGS
2818 # LC_BIO_BI_PHYS_SEGMENTS
2820 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2821 # block: remove the bi_phys_segments field in struct bio
2823 AC_DEFUN([LC_SRC_BIO_BI_PHYS_SEGMENTS], [
2824 LB2_LINUX_TEST_SRC([bye_bio_bi_phys_segments], [
2825 #include <linux/bio.h>
2827 struct bio *bio = NULL;
2828 bio->bi_phys_segments++;
2831 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2832 AC_MSG_CHECKING([if struct bio has bi_phys_segments member])
2833 LB2_LINUX_TEST_RESULT([bye_bio_bi_phys_segments], [
2834 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2835 [struct bio has bi_phys_segments member])
2837 ]) # LC_BIO_BI_PHYS_SEGMENTS
2840 # LC_LM_COMPARE_OWNER_EXISTS
2842 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2843 # locks: Cleanup lm_compare_owner and lm_owner_key
2844 # removed lm_compare_owner
2846 AC_DEFUN([LC_SRC_LM_COMPARE_OWNER_EXISTS], [
2847 LB2_LINUX_TEST_SRC([lock_manager_ops_lm_compare_owner], [
2848 #include <linux/fs.h>
2850 struct lock_manager_operations lm_ops;
2851 lm_ops.lm_compare_owner = NULL;
2854 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2855 AC_MSG_CHECKING([if lock_manager_operations has lm_compare_owner])
2856 LB2_LINUX_TEST_RESULT([lock_manager_ops_lm_compare_owner], [
2857 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2858 [lock_manager_operations has lm_compare_owner])
2860 ]) # LC_LM_COMPARE_OWNER_EXISTS
2863 # LC_FSCRYPT_SUPPORT
2865 # 5.4 introduced fscrypt encryption policies v2
2867 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2868 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2870 #define __FS_HAS_ENCRYPTION 0
2871 #include <linux/fscrypt.h>
2873 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2875 has_fscrypt_support="yes"
2877 ]) # LC_FSCRYPT_SUPPORT used by LC_CONFIG_CRYPTO
2880 # LC_FSCRYPT_DIGESTED_NAME
2882 # Kernel 5.5-rc4 edc440e3d27fb31e6f9663cf413fad97d714c060
2883 # improved the format of no-key names. This results in the
2884 # removal of FSCRYPT_FNAME_DIGEST and FSCRYPT_FNAME_DIGEST_SIZE.
2886 AC_DEFUN([LC_SRC_FSCRYPT_DIGESTED_NAME], [
2887 LB2_LINUX_TEST_SRC([fscrypt_digested_name], [
2888 #include <linux/fscrypt.h>
2890 struct fscrypt_digested_name fname;
2895 AC_DEFUN([LC_FSCRYPT_DIGESTED_NAME], [
2896 AC_MSG_CHECKING([if fscrypt has 'struct fscrypt_digested_name'])
2897 LB2_LINUX_TEST_RESULT([fscrypt_digested_name], [
2898 AC_DEFINE(HAVE_FSCRYPT_DIGESTED_NAME, 1,
2899 ['struct fscrypt_digested_name' exists])
2901 ]) # LC_FSCRYPT_DIGESTED_NAME
2904 # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2906 # Kernel 5.7-rc7 ed318a6cc0b620440e65f48eb527dc3df7269ce4
2907 # replaces fscrypt_dummy_context_enabled() with
2908 # fscrypt_get_dummy_context(). Later kernels rename
2909 # fscrypt_get_dummy_context() to fscrypt_get_dummy_policy()
2910 # which is why we test fscrypt_dummy_context_enabled().
2912 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2913 LB2_LINUX_TEST_SRC([fscrypt_dummy_context_enabled], [
2914 #include <linux/fscrypt.h>
2916 fscrypt_dummy_context_enabled(NULL);
2919 AC_DEFUN([LC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2920 AC_MSG_CHECKING([if fscrypt_dummy_context_enabled() exists])
2921 LB2_LINUX_TEST_RESULT([fscrypt_dummy_context_enabled], [
2922 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1,
2923 [fscrypt_dummy_context_enabled() exists])
2925 ]) # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2928 # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2930 # Kernel 5.9-rc4 8b10fe68985278de4926daa56ad6af701839e40a
2931 # removed the inode parameter for the fscrypt function
2932 # fscrypt_fname_alloc_buffer()
2934 AC_DEFUN([LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2935 LB2_LINUX_TEST_SRC([fscrypt_fname_alloc_buffer], [
2936 #include <linux/fscrypt.h>
2938 fscrypt_fname_alloc_buffer(0, NULL);
2941 AC_DEFUN([LC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2942 AC_MSG_CHECKING([if fscrypt_fname_alloc_buffer() removed inode parameter])
2943 LB2_LINUX_TEST_RESULT([fscrypt_fname_alloc_buffer], [
2944 AC_DEFINE(HAVE_FSCRYPT_FNAME_ALLOC_BUFFER_NO_INODE, 1,
2945 [fscrypt_fname_alloc_buffer() does not have inode parameter])
2947 ]) # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2950 # LC_FSCRYPT_SET_CONTEXT
2952 # Kernel 5.9-rc4 a992b20cd4ee360dbbe6f69339cb07146e4304d6
2953 # fscrypt_get_encryption_info() is not GFP_NOFS safe which
2954 # is used by fscrypt_inherit_context. Replace fscrypt_inherit_context,
2955 # with two new functions, fscrypt_prepare_new_inode() and
2956 # fscrypt_set_context()
2958 AC_DEFUN([LC_SRC_FSCRYPT_SET_CONTEXT], [
2959 LB2_LINUX_TEST_SRC([fscrypt_set_context], [
2960 #include <linux/fscrypt.h>
2962 fscrypt_set_context(NULL, NULL);
2963 fscrypt_prepare_new_inode(NULL, NULL, NULL);
2966 AC_DEFUN([LC_FSCRYPT_SET_CONTEXT], [
2967 AC_MSG_CHECKING([if 'fscrypt_set_context()' exists])
2968 LB2_LINUX_TEST_RESULT([fscrypt_set_context], [
2969 AC_DEFINE(HAVE_FSCRYPT_SET_CONTEXT, 1,
2970 [fscrypt_set_context() does exist])
2972 ]) # LC_FSCRYPT_SET_CONTEXT
2975 # LC_FSCRYPT_D_REVALIDATE
2977 # kernel 5.9-rc4 5b2a828b98ec1872799b1b4d82113c76a12d594f
2978 # exported fscrypt_d_revalidate()
2980 AC_DEFUN([LC_FSCRYPT_D_REVALIDATE], [
2981 LB_CHECK_EXPORT([fscrypt_d_revalidate], [fs/crypto/fname.c],
2982 [AC_DEFINE(HAVE_FSCRYPT_D_REVALIDATE, 1,
2983 [fscrypt_d_revalidate() is exported by the kernel])])
2984 ]) # LC_FSCRYPT_D_REVALIDATE
2987 # LC_FSCRYPT_NOKEY_NAME
2989 # kernel 5.9-rc4 70fb2612aab62d47e03f82eaa7384a8d30ca175d
2990 # renamed is_ciphertext_name to is_nokey_name
2992 AC_DEFUN([LC_SRC_FSCRYPT_NOKEY_NAME], [
2993 LB2_LINUX_TEST_SRC([fname_is_nokey_name], [
2994 #include <linux/fscrypt.h>
2996 struct fscrypt_name fname;
2998 fname.is_nokey_name = true;
3001 AC_DEFUN([LC_FSCRYPT_NOKEY_NAME], [
3002 AC_MSG_CHECKING([if struct fscrypt_name has is_nokey_name field])
3003 LB2_LINUX_TEST_RESULT([fname_is_nokey_name], [
3004 AC_DEFINE(HAVE_FSCRYPT_NOKEY_NAME, 1,
3005 [struct fscrypt_name has is_nokey_name field])
3007 ]) # LC_FSCRYPT_NOKEY_NAME
3010 # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3011 # Kernel 5.9-rc4 c8c868abc91ff23f6f5c4444c419de7c277d77e1
3012 # changed fscrypt_set_test_dummy_encryption() take a 'const char *
3014 AC_DEFUN([LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3015 LB2_LINUX_TEST_SRC([fscrypt_set_test_dummy_encryption], [
3016 #include <linux/fscrypt.h>
3019 fscrypt_set_test_dummy_encryption(NULL, arg, NULL);
3022 AC_DEFUN([LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3023 AC_MSG_CHECKING([if fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3024 LB2_LINUX_TEST_RESULT([fscrypt_set_test_dummy_encryption], [
3025 AC_DEFINE(HAVE_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG, 1,
3026 [fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3028 ]) # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3031 # LC_FSCRYPT_DUMMY_POLICY
3033 # Kernel 5.9-rc4 ac4acb1f4b2b6b7e8d913537cccec8789903e164
3034 # move the test dummy context for fscrypt_policy which is
3035 # also used by the user land interface.
3037 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_POLICY], [
3038 LB2_LINUX_TEST_SRC([fscrypt_free_dummy_policy], [
3039 #include <linux/fscrypt.h>
3041 fscrypt_free_dummy_policy(NULL);
3044 AC_DEFUN([LC_FSCRYPT_DUMMY_POLICY], [
3045 AC_MSG_CHECKING([if fscrypt_free_dummy_policy() exists])
3046 LB2_LINUX_TEST_RESULT([fscrypt_free_dummy_policy], [
3047 AC_DEFINE(HAVE_FSCRYPT_DUMMY_POLICY, 1,
3048 [fscrypt_free_dummy_policy() exists])
3050 ]) # LC_FSCRYPT_DUMMY_POLICY
3053 # LC_HAVE_ITER_FILE_SPLICE_WRITE
3055 # Linux commit v5.9-rc1-6-g36e2c7421f02
3056 # fs: don't allow splice read/write without explicit ops
3058 AC_DEFUN([LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE], [
3059 LB2_LINUX_TEST_SRC([iter_file_splice_write], [
3060 #include <linux/fs.h>
3062 (void)iter_file_splice_write(NULL, NULL, NULL, 1, 0);
3065 AC_DEFUN([LC_HAVE_ITER_FILE_SPLICE_WRITE], [
3066 AC_MSG_CHECKING([if iter_file_splice_write() exists])
3067 LB2_LINUX_TEST_RESULT([iter_file_splice_write], [
3068 AC_DEFINE(HAVE_ITER_FILE_SPLICE_WRITE, 1,
3069 ['iter_file_splice_write' exists])
3071 ]) # LC_HAVE_ITER_FILE_SPLICE_WRITE
3074 # LC_FSCRYPT_IS_NOKEY_NAME
3076 # Kernel 5.10-rc4 159e1de201b6fca10bfec50405a3b53a561096a8
3077 # introduced fscrypt_is_nokey_name() inline macro. While
3078 # introduced for 5.10 kernels it was backported to earlier
3079 # Ubuntu kernels. Also it hides the change introduced due
3080 # to git commit 501e43fbe for kernel 5.9 which also was
3081 # backported to earlier Ubuntu kernels.
3083 AC_DEFUN([LC_SRC_FSCRYPT_IS_NOKEY_NAME], [
3084 LB2_LINUX_TEST_SRC([fscrypt_is_no_key_name], [
3085 #include <linux/fscrypt.h>
3087 fscrypt_is_nokey_name(NULL);
3090 AC_DEFUN([LC_FSCRYPT_IS_NOKEY_NAME], [
3091 AC_MSG_CHECKING([if fscrypt_is_no_key_name() exists])
3092 LB2_LINUX_TEST_RESULT([fscrypt_is_no_key_name], [
3093 AC_DEFINE(HAVE_FSCRYPT_IS_NOKEY_NAME, 1,
3094 [fscrypt_is_nokey_name() exists])
3096 ]) # LC_FSCRYPT_IS_NOKEY_NAME
3099 # LC_FSCRYPT_PREPARE_READDIR
3101 # Kernel 5.10-rc4 ec0caa974cd092549ab282deb8ec7ea73b36eba0
3102 # replaced fscrypt_get_encryption_info() with
3103 # fscrypt_prepare_readdir()
3105 AC_DEFUN([LC_SRC_FSCRYPT_PREPARE_READDIR], [
3106 LB2_LINUX_TEST_SRC([fscrypt_prepare_readdir], [
3107 #include <linux/fscrypt.h>
3109 fscrypt_prepare_readdir(NULL);
3112 AC_DEFUN([LC_FSCRYPT_PREPARE_READDIR], [
3113 AC_MSG_CHECKING([if fscrypt_prepare_readdir() exists])
3114 LB2_LINUX_TEST_RESULT([fscrypt_prepare_readdir], [
3115 AC_DEFINE(HAVE_FSCRYPT_PREPARE_READDIR, 1,
3116 [fscrypt_prepare_readdir() exists])
3118 ]) # LC_FSCRYPT_PREPARE_READDIR
3123 # Linux: v5.11-rc5-9-g309dca309fc3
3124 # block: store a block_device pointer in struct bio
3125 # created bio_set_dev macro
3126 # Linux: v5.15-rc6-127-gcf6d6238cdd3
3127 # block: turn macro helpers into inline functions
3128 # created inline function(s).
3130 # Only provide a bio_set_dev it is is not proveded by the kernel
3132 AC_DEFUN([LC_SRC_BIO_SET_DEV], [
3133 LB2_LINUX_TEST_SRC([bio_set_dev], [
3134 #include <linux/bio.h>
3136 struct bio *bio = NULL;
3137 struct block_device *bdev = NULL;
3139 bio_set_dev(bio, bdev);
3142 AC_DEFUN([LC_BIO_SET_DEV], [
3143 AC_MSG_CHECKING([if 'bio_set_dev' is available])
3144 LB2_LINUX_TEST_RESULT([bio_set_dev], [
3145 AC_DEFINE(HAVE_BIO_SET_DEV, 1, ['bio_set_dev' is available])
3150 # LC_HAVE_USER_NAMESPACE_ARG
3152 # kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb
3153 # fs: make helpers idmap mount aware
3154 # Extend some inode methods with an additional user namespace argument.
3156 AC_DEFUN([LC_SRC_HAVE_USER_NAMESPACE_ARG], [
3157 LB2_LINUX_TEST_SRC([inode_ops_has_user_namespace_argument], [
3158 #include <linux/fs.h>
3160 ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
3164 AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
3165 AC_MSG_CHECKING([if 'inode_operations' members have user namespace argument])
3166 LB2_LINUX_TEST_RESULT([inode_ops_has_user_namespace_argument], [
3167 AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
3168 ['inode_operations' members have user namespace argument])
3170 ]) # LC_HAVE_USER_NAMESPACE_ARG
3173 # LC_HAVE_GET_ACL_RCU_ARG
3175 # kernel 5.15 commit 0cad6246621b5887d5b33fea84219d2a71f2f99a
3176 # vfs: add rcu argument to ->get_acl() callback
3177 # Add a rcu argument to the ->get_acl() callback to allow
3178 # get_cached_acl_rcu() to call the ->get_acl() method.
3180 AC_DEFUN([LC_SRC_HAVE_GET_ACL_RCU_ARG], [
3181 LB2_LINUX_TEST_SRC([get_acl_rcu_argument], [
3182 #include <linux/fs.h>
3184 ((struct inode_operations *)1)->get_acl((struct inode *)NULL, 0, false);
3187 AC_DEFUN([LC_HAVE_GET_ACL_RCU_ARG], [
3188 AC_MSG_CHECKING([if 'get_acl' has a rcu argument])
3189 LB2_LINUX_TEST_RESULT([get_acl_rcu_argument], [
3190 AC_DEFINE(HAVE_GET_ACL_RCU_ARG, 1,
3191 ['get_acl' has a rcu argument])
3193 ]) # LC_HAVE_GET_ACL_RCU_ARG
3196 # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3198 # Linux v5.15-rc1-20-g15bf32398ad4
3199 # security: Return xattr name from security_dentry_init_security()
3201 AC_DEFUN([LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3202 LB2_LINUX_TEST_SRC([security_dentry_init_security_xattr_name_arg], [
3203 #include <linux/security.h>
3205 struct dentry *dentry = NULL;
3207 const struct qstr *name = NULL;
3208 const char *xattr_name = NULL;
3211 int rc = security_dentry_init_security(dentry, mode, name, &xattr_name,
3217 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3218 AC_MSG_CHECKING([if security_dentry_init_security() returns xattr name])
3219 LB2_LINUX_TEST_RESULT([security_dentry_init_security_xattr_name_arg], [
3220 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG, 1,
3221 [security_dentry_init_security() returns xattr name])
3223 ]) # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3226 # LC_HAVE_KIOCB_COMPLETE_2ARGS
3228 # kernel v5.15-rc6-145-g6b19b766e8f0
3229 # fs: get rid of the res2 iocb->ki_complete argument
3231 AC_DEFUN([LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS], [
3232 LB2_LINUX_TEST_SRC([kiocb_ki_complete_2args], [
3233 #include <linux/fs.h>
3235 static void complete_fn(struct kiocb *iocb, long ret)
3241 struct kiocb *kio = NULL;
3243 kio->ki_complete = complete_fn;
3246 AC_DEFUN([LC_HAVE_KIOCB_COMPLETE_2ARGS], [
3247 AC_MSG_CHECKING([if kiocb->ki_complete() has 2 arguments])
3248 LB2_LINUX_TEST_RESULT([kiocb_ki_complete_2args], [
3249 AC_DEFINE(HAVE_KIOCB_COMPLETE_2ARGS, 1,
3250 [kiocb->ki_complete() has 2 arguments])
3252 ]) # LC_HAVE_KIOCB_COMPLETE_2ARGS
3255 # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3257 # Linux commit v5.16-rc4-44-g452e9e6992fe
3258 # filemap: Add filemap_remove_folio and __filemap_remove_folio
3260 # Also removes the export of delete_from_page_cache
3262 AC_DEFUN([LC_EXPORTS_DELETE_FROM_PAGE_CACHE], [
3263 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
3264 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
3265 [delete_from_page_cache is exported])])
3266 ]) # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3269 # LC_HAVE_INVALIDATE_FOLIO
3271 # linux commit v5.17-rc4-10-g128d1f8241d6
3272 # fs: Add invalidate_folio() aops method
3274 AC_DEFUN([LC_SRC_HAVE_INVALIDATE_FOLIO], [
3275 LB2_LINUX_TEST_SRC([address_spaace_operaions_invalidate_folio], [
3276 #include <linux/fs.h>
3278 struct address_space_operations *aops = NULL;
3279 struct folio *folio = NULL;
3280 aops->invalidate_folio(folio, 0, PAGE_SIZE);
3284 AC_DEFUN([LC_HAVE_INVALIDATE_FOLIO], [
3285 AC_MSG_CHECKING([if have address_spaace_operaions->invalidate_folio() member])
3286 LB2_LINUX_TEST_RESULT([address_spaace_operaions_invalidate_folio], [
3287 AC_DEFINE(HAVE_INVALIDATE_FOLIO, 1,
3288 [address_spaace_operaions->invalidate_folio() member exists])
3290 ]) # LC_HAVE_INVALIDATE_FOLIO
3293 # LC_HAVE_DIRTY_FOLIO
3295 # linux commit v5.17-rc4-38-g6f31a5a261db
3296 # fs: Add aops->dirty_folio
3297 # ... replaces ->set_page_dirty() with ->dirty_folio()
3299 AC_DEFUN([LC_SRC_HAVE_DIRTY_FOLIO], [
3300 LB2_LINUX_TEST_SRC([address_spaace_operaions_dirty_folio], [
3301 #include <linux/fs.h>
3303 struct address_space_operations *aops = NULL;
3304 struct address_space *mapping = NULL;
3305 struct folio *folio = NULL;
3306 bool dirty = aops->dirty_folio(mapping, folio);
3310 AC_DEFUN([LC_HAVE_DIRTY_FOLIO], [
3311 AC_MSG_CHECKING([if have address_spaace_operaions->dirty_folio() member])
3312 LB2_LINUX_TEST_RESULT([address_spaace_operaions_dirty_folio], [
3313 AC_DEFINE(HAVE_DIRTY_FOLIO, 1,
3314 [address_spaace_operaions->dirty_folio() member exists])
3316 ]) # LC_HAVE_DIRTY_FOLIO
3319 # LC_HAVE_ALLOC_INODE_SB
3321 # linux commit v5.17-49-g8b9f3ac5b01d
3322 # fs: introduce alloc_inode_sb() to allocate filesystems specific inode
3324 AC_DEFUN([LC_SRC_HAVE_ALLOC_INODE_SB], [
3325 LB2_LINUX_TEST_SRC([alloc_inode_sb], [
3326 #include <linux/fs.h>
3328 struct super_block *sb = NULL;
3329 struct kmem_cache *cache = NULL;
3331 (void)alloc_inode_sb(sb, cache, GFP_NOFS);
3334 AC_DEFUN([LC_HAVE_ALLOC_INODE_SB], [
3335 AC_MSG_CHECKING([if alloc_inode_sb() exists])
3336 LB2_LINUX_TEST_RESULT([alloc_inode_sb], [
3337 AC_DEFINE(HAVE_ALLOC_INODE_SB, 1,
3338 [alloc_inode_sb() exists])
3340 ]) # LC_HAVE_ALLOC_INODE_SB
3343 # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3345 # Linux commit v5.18-rc5-221-gb7446e7cf15f
3346 # fs: Remove aop flags parameter from grab_cache_page_write_begin()
3348 AC_DEFUN([LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3349 LB2_LINUX_TEST_SRC([grab_cache_page_write_begin_with_flags], [
3350 #include <linux/pagemap.h>
3352 struct address_space *mapping = NULL;
3353 (void)grab_cache_page_write_begin(mapping, 0, 1);
3356 AC_DEFUN([LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3357 AC_MSG_CHECKING([if grab_cache_page_write_begin() has flags argument])
3358 LB2_LINUX_TEST_RESULT([grab_cache_page_write_begin_with_flags], [
3359 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS, 1,
3360 [grab_cache_page_write_begin() has flags argument])
3362 ]) # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3365 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3367 # Linux commit v5.18-rc5-241-g5efe7448a142
3368 # fs: Introduce aops->read_folio
3370 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3371 LB2_LINUX_TEST_SRC([address_space_operations_read_folio], [
3372 #include <linux/fs.h>
3374 struct address_space_operations *aops = NULL;
3375 struct file *file = NULL;
3376 struct folio *folio = NULL;
3377 int err = aops->read_folio(file, folio);
3381 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3382 AC_MSG_CHECKING([if struct address_space_operations() has read_folio()])
3383 LB2_LINUX_TEST_RESULT([address_space_operations_read_folio], [
3384 AC_DEFINE(HAVE_AOPS_READ_FOLIO, 1,
3385 [struct address_space_operations() has read_folio()])
3387 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3390 # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3392 # Linux commit v5.18-rc5-280-ge9b5b23e957e
3393 # fs: Change the type of filler_t
3395 AC_DEFUN([LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3396 LB2_LINUX_TEST_SRC([read_cache_page_filler_with_file], [
3397 #include <linux/pagemap.h>
3398 static inline int _filler(struct file *file, struct folio *f)
3403 struct address_space *mapping = NULL;
3404 struct file *file = NULL;
3405 struct page *page = read_cache_page(mapping, 0, _filler, file);
3409 AC_DEFUN([LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3410 AC_MSG_CHECKING([if read_cache_page() filler_t needs struct file])
3411 LB2_LINUX_TEST_RESULT([read_cache_page_filler_with_file], [
3412 AC_DEFINE(HAVE_READ_CACHE_PAGE_WANTS_FILE, 1,
3413 [read_cache_page() filler_t needs struct file])
3415 ]) # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3418 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3420 # Linux commit v5.18-rc5-282-gfa29000b6b26
3421 # fs: Add aops->release_folio
3423 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3424 LB2_LINUX_TEST_SRC([address_space_operations_release_folio], [
3425 #include <linux/fs.h>
3427 struct address_space_operations *aops = NULL;
3428 struct folio *folio = NULL;
3429 int err = aops->release_folio(folio, GFP_KERNEL);
3433 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3434 AC_MSG_CHECKING([if struct address_space_operations() has release_folio()])
3435 LB2_LINUX_TEST_RESULT([address_space_operations_release_folio], [
3436 AC_DEFINE(HAVE_AOPS_RELEASE_FOLIO, 1,
3437 [struct address_space_operations() has release_folio()])
3439 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3442 # LC_HAVE_LSMCONTEXT_INIT
3444 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3445 # kernel linux-hwe-5.19 commit fef1deb99dad87dd700afae76b35c5b5750e33a8
3446 # LSM: Removed scaffolding function lsmcontext_init
3448 AC_DEFUN([LC_SRC_HAVE_LSMCONTEXT_INIT], [
3449 LB2_LINUX_TEST_SRC([lsmcontext_init], [
3450 #include <linux/security.h>
3452 struct lsmcontext ctx = {};
3454 lsmcontext_init(&ctx, "", 0, 0);
3457 AC_DEFUN([LC_HAVE_LSMCONTEXT_INIT], [
3458 AC_MSG_CHECKING([if lsmcontext_init is available])
3459 LB2_LINUX_TEST_RESULT([lsmcontext_init], [
3460 AC_DEFINE(HAVE_LSMCONTEXT_INIT, 1,
3461 [lsmcontext_init is available])
3463 ]) # LC_HAVE_LSMCONTEXT_INIT
3466 # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3468 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3469 # kernel linux-hwe-5.19 commit 57d0004bc811254916be30f94c86d9607867deb0
3470 # LSM: Use lsmcontext in security_dentry_init_security
3472 AC_DEFUN([LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3473 LB2_LINUX_TEST_SRC([security_dentry_init_security_with_ctx], [
3474 #include <linux/security.h>
3476 struct dentry *dentry = NULL;
3477 const struct qstr *name = NULL;
3478 struct lsmcontext *ctx = NULL;
3479 const char *xattr_name = "";
3481 (void)security_dentry_init_security(dentry, 0, name,
3485 AC_DEFUN([LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3486 AC_MSG_CHECKING([if security_dentry_init_security needs lsmcontext])
3487 LB2_LINUX_TEST_RESULT([security_dentry_init_security_with_ctx], [
3488 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX, 1,
3489 [security_dentry_init_security needs lsmcontext])
3491 ]) # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3496 # Linux commit v5.19-rc2-6-g868941b14441
3497 # fs: remove no_llseek
3499 AC_DEFUN([LC_SRC_HAVE_NO_LLSEEK], [
3500 LB2_LINUX_TEST_SRC([no_llseek], [
3501 #include <linux/fs.h>
3503 static const struct file_operations fops = {
3504 .llseek = &no_llseek,
3509 AC_DEFUN([LC_HAVE_NO_LLSEEK], [
3510 AC_MSG_CHECKING([if no_llseek() is available])
3511 LB2_LINUX_TEST_RESULT([no_llseek], [
3512 AC_DEFINE(HAVE_NO_LLSEEK, 1, [no_llseek() is available])
3514 ]) # LC_HAVE_NO_LLSEEK
3517 # LC_DQUOT_TRANSFER_WITH_USER_NS
3519 # Linux commit v5.19-rc3-6-g71e7b535b890
3520 # quota: port quota helpers mount ids
3522 AC_DEFUN([LC_SRC_DQUOT_TRANSFER_WITH_USER_NS], [
3523 LB2_LINUX_TEST_SRC([dquot_transfer], [
3524 #include <linux/quotaops.h>
3526 struct user_namespace *userns = NULL;
3527 struct inode *inode = NULL;
3528 struct iattr *iattr = NULL;
3529 int err __attribute__ ((unused));
3531 err = dquot_transfer(userns, inode, iattr);
3534 AC_DEFUN([LC_DQUOT_TRANSFER_WITH_USER_NS], [
3535 AC_MSG_CHECKING([if dquot_transfer() has user_ns argument])
3536 LB2_LINUX_TEST_RESULT([dquot_transfer], [
3537 AC_DEFINE(HAVE_DQUOT_TRANSFER_WITH_USER_NS, 1,
3538 [dquot_transfer() has user_ns argument])
3540 ]) # LC_DQUOT_TRANSFER_WITH_USER_NS
3543 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3545 # Linux commit v5.19-rc3-392-g5490da4f06d1
3546 # fs: Add aops->migrate_folio
3548 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3549 LB2_LINUX_TEST_SRC([address_space_operations_migrate_folio], [
3550 #include <linux/fs.h>
3552 struct address_space_operations *aops = NULL;
3553 struct address_space *m = NULL;
3554 struct folio *src = NULL;
3555 struct folio *dst = NULL;
3556 int err = aops->migrate_folio(m, dst, src, MIGRATE_ASYNC);
3560 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3561 AC_MSG_CHECKING([if struct address_space_operations() has migrate_folio()])
3562 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3563 AC_DEFINE(HAVE_AOPS_MIGRATE_FOLIO, 1,
3564 [struct address_space_operations() has migrate_folio()])
3566 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3569 # LC_REGISTER_SHRINKER_FORMAT_NAMED
3571 # Linux commit v5.19-rc4-52-ge33c267ab70d
3572 # mm: shrinkers: provide shrinkers with names
3574 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED], [
3575 LB2_LINUX_TEST_SRC([register_shrinker_format], [
3576 #include <linux/mm.h>
3578 if (register_shrinker(NULL, "lustre-%ps", __func__))
3579 unregister_shrinker(NULL);
3582 AC_DEFUN([LC_REGISTER_SHRINKER_FORMAT_NAMED], [
3583 AC_MSG_CHECKING([if register_shrinker() returns status])
3584 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3585 AC_DEFINE(HAVE_REGISTER_SHRINKER_FORMAT_NAMED, 1,
3586 [register_shrinker() returns status])
3588 ]) # LC_REGISTER_SHRINKER_FORMAT_NAMED
3591 # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3593 # From Linux commit v5.19-rc5-17-g0c5fd887d2bb
3594 # acl: move idmapped mount fixup into vfs_{g,s}etxattr()
3595 # Until Linux commit v6.0-rc3-6-g6344e66970c6
3596 # xattr: constify value argument in vfs_setxattr()
3598 AC_DEFUN([LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3599 LB2_LINUX_TEST_SRC([vfs_setxattr_non_const_value_arg], [
3600 #include <linux/xattr.h>
3602 struct dentry *de = NULL;
3603 const char *name = "an.xattr";
3604 const void *value = NULL;
3605 int err = vfs_setxattr(&init_user_ns, de, name, value, 0, 0);
3608 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3609 AC_DEFUN([LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3610 AC_MSG_CHECKING([if vfs_setxattr() value argument is non-const])
3611 LB2_LINUX_TEST_RESULT([vfs_setxattr_non_const_value_arg], [
3612 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3614 [vfs_setxattr() value argument is const void *])
3616 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3617 [((void *)(value))],
3618 [vfs_setxattr() value argument is non-const])
3620 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3623 # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3625 # Linux commit v5.19-10313-geba2d3d79829
3626 # get rid of non-advancing variants
3628 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3629 LB2_LINUX_TEST_SRC([iov_iter_get_pages_alloc2], [
3630 #include <linux/uio.h>
3632 struct iov_iter *iter = NULL;
3633 struct page ***pages = NULL;
3636 size_t result __attribute__ ((unused));
3637 result = iov_iter_get_pages_alloc2(iter, pages, maxsize, &start);
3640 AC_DEFUN([LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3641 AC_MSG_CHECKING([if iov_iter_get_pages_alloc2() is available])
3642 LB2_LINUX_TEST_RESULT([iov_iter_get_pages_alloc2], [
3643 AC_DEFINE(HAVE_IOV_ITER_GET_PAGES_ALLOC2, 1,
3644 [iov_iter_get_pages_alloc2() is available])
3646 ]) # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3649 # LC_HAVE_GET_RANDOM_U32_AND_U64
3651 # Linux commit v4.10-rc3-6-gc440408cf690
3652 # random: convert get_random_int/long into get_random_u32/u64
3653 # Linux commit v6.0-11338-gde492c83cae0
3654 # prandom: remove unused functions
3656 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_AND_U64], [
3657 LB2_LINUX_TEST_SRC([get_random_u32_and_u64], [
3658 #include <linux/random.h>
3660 u32 rand32 = get_random_u32();
3661 u64 rand64 = get_random_u64();
3666 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_AND_U64], [
3667 AC_MSG_CHECKING([if get_random_u32() and get_random_u64() are available])
3668 LB2_LINUX_TEST_RESULT([get_random_u32_and_u64], [
3669 AC_DEFINE(HAVE_GET_RANDOM_U32_AND_U64, 1,
3670 [get_random_[u32|u64] are available])
3672 AC_DEFINE([get_random_u32()], [prandom_u32()],
3673 [get_random_u32() is not available, use prandom_u32])
3675 ]) # LC_HAVE_GET_RANDOM_U32_AND_U64
3678 # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3680 # Linux commit v6.0-rc1-2-g25885a35a720
3681 # Change calling conventions for filldir_t
3683 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3684 LB2_LINUX_TEST_SRC([filldir_ctx_return_bool], [
3685 #include <linux/fs.h>
3687 bool filldir(struct dir_context *ctx, const char* name,
3688 int i, loff_t off, u64 tmp, unsigned temp)
3693 struct dir_context ctx = {
3697 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
3700 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3701 AC_MSG_CHECKING([if filldir_t uses struct dir_context and returns bool])
3702 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3703 AC_DEFINE(HAVE_FILLDIR_USE_CTX_RETURN_BOOL, 1,
3704 [filldir_t needs struct dir_context and returns bool])
3705 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
3706 [filldir_t needs struct dir_context as argument])
3707 AC_DEFINE(FILLDIR_TYPE, bool,
3708 [filldir_t return type is bool or int])
3710 AC_DEFINE(FILLDIR_TYPE, int,
3711 [filldir_t return type is bool or int])
3713 ]) # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3716 # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3718 # Linux commit v6.0-rc3-94-g35b471467f88
3719 # filemap: add filemap_get_folios_contig()
3721 AC_DEFUN([LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3722 LB2_LINUX_TEST_SRC([filemap_get_folios_contig], [
3723 #include <linux/pagemap.h>
3725 struct address_space *m = NULL;
3727 struct folio_batch *fbatch = NULL;
3728 (void)filemap_get_folios_contig(m, &start, ULONG_MAX, fbatch);
3731 AC_DEFUN([LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3732 AC_MSG_CHECKING([if filemap_get_folios_contig() is available])
3733 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3734 AC_DEFINE(HAVE_FILEMAP_GET_FOLIOS_CONTIG, 1,
3735 [filemap_get_folios_contig() is available])
3737 ]) # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3740 # LC_HAVE_GET_RANDOM_U32_BELOW
3742 # Linux commit v6.1-13825-g3c202d14a9d7
3743 # prandom: remove prandom_u32_max()
3745 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_BELOW], [
3746 LB2_LINUX_TEST_SRC([get_random_u32_below], [
3747 #include <linux/random.h>
3749 u32 rand32 = get_random_u32_below(99);
3753 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_BELOW], [
3754 AC_MSG_CHECKING([if get_random_u32_below()is available])
3755 LB2_LINUX_TEST_RESULT([get_random_u32_below], [
3756 AC_DEFINE(HAVE_GET_RANDOM_U32_BELOW, 1,
3757 [get_random_u32_below() is available])
3759 AC_DEFINE([get_random_u32_below(v)], [prandom_u32_max(v)],
3760 [get_random_u32_below() is not available])
3762 ]) # LC_HAVE_GET_RANDOM_U32_BELOW
3765 # LC_HAVE_ACL_WITH_DENTRY
3767 # Linux commit v6.1-rc1-2-g138060ba92b3
3768 # fs: pass dentry to set acl method
3769 # Linux commit v6.1-rc1-4-g7420332a6ff4
3770 # fs: add new get acl method
3772 AC_DEFUN([LC_SRC_HAVE_ACL_WITH_DENTRY], [
3773 LB2_LINUX_TEST_SRC([acl_with_dentry], [
3774 #include <linux/fs.h>
3776 struct user_namespace *ns = NULL;
3777 struct dentry *dentry = NULL;
3779 ((struct inode_operations *)1)->get_acl(ns, dentry, 0);
3780 (void)ns; (void)dentry;
3783 AC_DEFUN([LC_HAVE_ACL_WITH_DENTRY], [
3784 AC_MSG_CHECKING([if 'get_acl' and 'set_acl' use dentry argument])
3785 LB2_LINUX_TEST_RESULT([acl_with_dentry], [
3786 AC_DEFINE(HAVE_ACL_WITH_DENTRY, 1,
3787 ['get_acl' and 'set_acl' use dentry argument])
3789 ]) # LC_HAVE_ACL_WITH_DENTRY
3794 # Lustre linux kernel checks
3796 AC_DEFUN([LC_PROG_LINUX_SRC], [
3797 AS_IF([test "x$enable_gss" != xno], [
3798 LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS
3799 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_MD5])
3800 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA1])
3801 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA256])
3802 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA512])
3804 AS_IF([test "x$enable_server" != xno], [
3808 LC_SRC_CONFIG_FHANDLE
3809 LC_SRC_POSIX_ACL_CONFIG
3810 LC_SRC_HAVE_PROJECT_QUOTA
3813 LC_SRC_INVALIDATE_RANGE
3814 LC_SRC_HAVE_DIR_CONTEXT
3815 LC_SRC_D_COMPARE_5ARGS
3817 LC_SRC_PID_NS_FOR_CHILDREN
3820 LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE
3821 LC_SRC_PTR_ERR_OR_ZERO_MISSING
3822 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST
3823 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
3824 LC_SRC_HAVE_DENTRY_D_CHILD
3825 LC_SRC_KIOCB_KI_LEFT
3826 LC_SRC_REGISTER_SHRINKER_RET
3829 LC_SRC_VFS_RENAME_5ARGS
3830 LC_SRC_VFS_UNLINK_3ARGS
3831 LC_SRC_HAVE_D_IS_POSITIVE
3834 LC_SRC_HAVE_BVEC_ITER
3835 LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL
3836 LC_SRC_IOPS_RENAME_WITH_FLAGS
3840 LC_SRC_VFS_RENAME_6ARGS
3843 LC_SRC_DIRECTIO_USE_ITER
3844 LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION
3845 LC_SRC_HAVE_IOV_ITER_TRUNCATE
3846 LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3847 LC_SRC_PAGECACHE_GET_PAGE
3850 LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY
3851 LC_SRC_KEY_MATCH_DATA
3852 LC_SRC_HAVE_BLK_INTEGRITY_ITER
3855 LC_SRC_NFS_FILLDIR_USE_CTX
3856 LC_SRC_PERCPU_COUNTER_INIT
3859 LC_SRC_KIOCB_HAS_NBYTES
3860 LC_SRC_HAVE_DQUOT_QC_DQBLK
3861 LC_SRC_HAVE_AIO_COMPLETE
3862 LC_SRC_HAVE_IS_ROOT_INODE
3865 LC_SRC_BACKING_DEV_INFO_REMOVAL
3866 LC_SRC_HAVE_BDI_CAP_MAP_COPY
3870 LC_SRC_HAVE___BI_CNT
3873 LC_SRC_BIO_ENDIO_USES_ONE_ARG
3874 LC_SRC_SYMLINK_OPS_USE_NAMEIDATA
3875 LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS
3876 LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER
3879 LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3880 LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3881 LC_SRC_HAVE_CACHE_HEAD_HLIST
3882 LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED
3885 LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT
3886 LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3887 LC_SRC_HAVE_XATTR_HANDLER_NAME
3888 LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
3890 LC_SRC_HAVE_SUBMIT_BIO_2ARGS
3891 LC_SRC_HAVE_CLEAN_BDEV_ALIASES
3894 LC_SRC_HAVE_FILE_DENTRY
3897 LC_SRC_HAVE_INODE_LOCK
3898 LC_SRC_HAVE_IOP_GET_LINK
3899 LC_SRC_HAVE_IN_COMPAT_SYSCALL
3900 LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM
3901 LC_SRC_LOCK_PAGE_MEMCG
3902 LC_SRC_HAVE_DOWN_WRITE_KILLABLE
3907 LC_SRC_DIRECTIO_2ARGS
3908 LC_SRC_GENERIC_WRITE_SYNC_2ARGS
3909 LC_SRC_FOP_ITERATE_SHARED
3912 LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS
3913 LC_SRC_D_COMPARE_4ARGS
3914 LC_SRC_FULL_NAME_HASH_3ARGS
3915 LC_SRC_STRUCT_POSIX_ACL_XATTR
3919 LC_SRC_GROUP_INFO_GID
3921 LC_SRC_POSIX_ACL_UPDATE_MODE
3922 LC_SRC_HAVE_BDI_IO_PAGES
3925 LC_SRC_IOP_GENERIC_READLINK
3926 LC_SRC_HAVE_VM_FAULT_ADDRESS
3929 LC_SRC_INODEOPS_ENHANCED_GETATTR
3930 LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG
3931 LC_SRC_HAVE_KEY_USAGE_REFCOUNT
3932 LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128
3936 LC_SRC_SUPER_SETUP_BDI_NAME
3940 LC_SRC_BIO_INTEGRITY_ENABLED
3941 LC_SRC_HAVE_GET_INODE_USAGE
3944 LC_SRC_PAGEVEC_INIT_ONE_PARAM
3946 LC_SRC_INTERVAL_TREE_CACHED
3950 LC_SRC_VM_FAULT_RETRY
3954 LC_SRC_INODE_TIMESPEC64
3955 LC_SRC_ALLOC_FILE_PSEUDO
3958 LC_SRC_RADIX_TREE_TAG_SET
3959 LC_SRC_UAPI_LINUX_MOUNT_H
3960 LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
3963 LC_SRC_GENL_FAMILY_HAS_RESV_START_OP
3966 LC_SRC_HAVE_BVEC_ITER_ALL
3969 LC_SRC_KEYRING_SEARCH_4ARGS
3972 LC_SRC_BIO_BI_PHYS_SEGMENTS
3973 LC_SRC_LM_COMPARE_OWNER_EXISTS
3976 LC_SRC_FSCRYPT_DIGESTED_NAME
3979 LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED
3982 LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER
3983 LC_SRC_FSCRYPT_SET_CONTEXT
3984 LC_SRC_FSCRYPT_NOKEY_NAME
3985 LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3986 LC_SRC_FSCRYPT_DUMMY_POLICY
3987 LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE
3990 LC_SRC_FSCRYPT_IS_NOKEY_NAME
3991 LC_SRC_FSCRYPT_PREPARE_READDIR
3997 LC_SRC_HAVE_USER_NAMESPACE_ARG
4000 LC_SRC_HAVE_GET_ACL_RCU_ARG
4003 LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4004 LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS
4007 LC_SRC_HAVE_INVALIDATE_FOLIO
4008 LC_SRC_HAVE_DIRTY_FOLIO
4011 LC_SRC_HAVE_ALLOC_INODE_SB
4014 LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4015 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4016 LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4017 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4018 LC_SRC_HAVE_LSMCONTEXT_INIT
4019 LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
4022 LC_SRC_HAVE_NO_LLSEEK
4023 LC_SRC_DQUOT_TRANSFER_WITH_USER_NS
4024 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4025 LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED
4026 LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4027 LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4030 LC_SRC_HAVE_GET_RANDOM_U32_AND_U64
4031 LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4032 LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4035 LC_SRC_HAVE_GET_RANDOM_U32_BELOW
4036 LC_SRC_HAVE_ACL_WITH_DENTRY
4038 # kernel patch to extend integrity interface
4039 LC_SRC_BIO_INTEGRITY_PREP_FN
4042 AC_DEFUN([LC_PROG_LINUX_RESULTS], [
4043 AS_IF([test "x$enable_gss" != xno], [
4044 LC_KEY_TYPE_INSTANTIATE_2ARGS
4046 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_MD5], [],
4048 [kernel MD5 support is recommended by using GSS.])])
4049 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
4051 [kernel SHA1 support is recommended by using GSS.])])
4052 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
4054 [kernel SHA256 support is recommended by using GSS.])])
4055 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
4057 [kernel SHA512 support is recommended by using GSS.])])
4059 AS_IF([test "x$enable_server" != xno], [
4065 LC_HAVE_PROJECT_QUOTA
4072 LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
4073 LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
4074 LC_HAVE_DENTRY_D_CHILD
4075 LC_PID_NS_FOR_CHILDREN
4078 LC_OLDSIZE_TRUNCATE_PAGECACHE
4079 LC_PTR_ERR_OR_ZERO_MISSING
4081 LC_REGISTER_SHRINKER_RET
4086 LC_HAVE_D_IS_POSITIVE
4090 LC_HAVE_TRUNCATE_IPAGES_FINAL
4091 LC_IOPS_RENAME_WITH_FLAGS
4098 LC_DIRECTIO_USE_ITER
4099 LC_HAVE_IOV_ITER_INIT_DIRECTION
4100 LC_HAVE_IOV_ITER_TRUNCATE
4101 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
4102 LC_PAGECACHE_GET_PAGE
4105 LC_HAVE_INTERVAL_BLK_INTEGRITY
4107 LC_HAVE_BLK_INTEGRITY_ITER
4110 LC_PERCPU_COUNTER_INIT
4111 LC_NFS_FILLDIR_USE_CTX
4115 LC_HAVE_DQUOT_QC_DQBLK
4116 LC_HAVE_AIO_COMPLETE
4117 LC_HAVE_IS_ROOT_INODE
4120 LC_BACKING_DEV_INFO_REMOVAL
4121 LC_HAVE_BDI_CAP_MAP_COPY
4128 LC_BIO_ENDIO_USES_ONE_ARG
4129 LC_SYMLINK_OPS_USE_NAMEIDATA
4130 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
4131 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
4134 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
4135 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
4136 LC_HAVE_CACHE_HEAD_HLIST
4137 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
4140 LC_HAVE_LOCKS_LOCK_FILE_WAIT
4141 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
4142 LC_HAVE_XATTR_HANDLER_NAME
4144 LC_HAVE_SUBMIT_BIO_2ARGS
4145 LC_HAVE_CLEAN_BDEV_ALIASES
4152 LC_HAVE_IOP_GET_LINK
4155 LC_HAVE_IN_COMPAT_SYSCALL
4156 LC_HAVE_XATTR_HANDLER_INODE_PARAM
4158 LC_HAVE_DOWN_WRITE_KILLABLE
4164 LC_GENERIC_WRITE_SYNC_2ARGS
4165 LC_FOP_ITERATE_SHARED
4168 LC_HAVE_POSIX_ACL_VALID_USER_NS
4170 LC_FULL_NAME_HASH_3ARGS
4171 LC_STRUCT_POSIX_ACL_XATTR
4177 LC_POSIX_ACL_UPDATE_MODE
4178 LC_HAVE_BDI_IO_PAGES
4181 LC_IOP_GENERIC_READLINK
4182 LC_HAVE_VM_FAULT_ADDRESS
4185 LC_INODEOPS_ENHANCED_GETATTR
4186 LC_VM_OPERATIONS_REMOVE_VMF_ARG
4187 LC_HAVE_KEY_USAGE_REFCOUNT
4188 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
4192 LC_SUPER_SETUP_BDI_NAME
4196 LC_BIO_INTEGRITY_ENABLED
4197 LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
4198 LC_HAVE_GET_INODE_USAGE
4201 LC_PAGEVEC_INIT_ONE_PARAM
4203 LC_INTERVAL_TREE_CACHED
4211 LC_ALLOC_FILE_PSEUDO
4215 LC_RADIX_TREE_TAG_SET
4216 LC_UAPI_LINUX_MOUNT_H
4217 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
4220 LC_GENL_FAMILY_HAS_RESV_START_OP
4223 LC_HAVE_BVEC_ITER_ALL
4226 LC_KEYRING_SEARCH_4ARGS
4229 LC_BIO_BI_PHYS_SEGMENTS
4230 LC_LM_COMPARE_OWNER_EXISTS
4233 LC_FSCRYPT_DIGESTED_NAME
4236 LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
4239 LC_HAVE_ITER_FILE_SPLICE_WRITE
4242 LC_FSCRYPT_FNAME_ALLOC_BUFFER
4243 LC_FSCRYPT_SET_CONTEXT
4244 LC_FSCRYPT_D_REVALIDATE
4245 LC_FSCRYPT_NOKEY_NAME
4246 LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
4247 LC_FSCRYPT_DUMMY_POLICY
4250 LC_FSCRYPT_IS_NOKEY_NAME
4251 LC_FSCRYPT_PREPARE_READDIR
4257 LC_HAVE_USER_NAMESPACE_ARG
4260 LC_HAVE_GET_ACL_RCU_ARG
4263 LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4264 LC_HAVE_KIOCB_COMPLETE_2ARGS
4265 LC_EXPORTS_DELETE_FROM_PAGE_CACHE
4268 LC_HAVE_INVALIDATE_FOLIO
4272 LC_HAVE_ALLOC_INODE_SB
4275 LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4276 LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4277 LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4278 LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4279 LC_HAVE_LSMCONTEXT_INIT
4280 LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
4284 LC_DQUOT_TRANSFER_WITH_USER_NS
4285 LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4286 LC_REGISTER_SHRINKER_FORMAT_NAMED
4287 LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4288 LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4291 LC_HAVE_GET_RANDOM_U32_AND_U64
4292 LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4293 LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4296 LC_HAVE_GET_RANDOM_U32_BELOW
4297 LC_HAVE_ACL_WITH_DENTRY
4299 # kernel patch to extend integrity interface
4300 LC_BIO_INTEGRITY_PREP_FN
4306 # Lustre linux kernel checks
4308 AC_DEFUN([LC_PROG_LINUX], [
4309 AC_MSG_NOTICE([Lustre kernel checks
4310 ==============================================================================])
4315 LC_CONFIG_HEALTH_CHECK_WRITE
4316 LC_CONFIG_LRU_RESIZE
4319 LC_GLIBC_SUPPORT_FHANDLES
4320 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
4324 # 4.1.0 - Check export
4325 LC_HAVE_SYNC_READ_WRITE
4327 # 4.8 - Check export
4328 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
4330 # 5.2 - Check export
4331 LC_ACCOUNT_PAGE_DIRTIED
4338 # Check whether to build the client side of Lustre
4340 AC_DEFUN([LC_CONFIG_CLIENT], [
4341 AC_MSG_CHECKING([whether to build Lustre client support])
4342 AC_ARG_ENABLE([client],
4343 AS_HELP_STRING([--disable-client],
4344 [disable Lustre client support]),
4345 [], [enable_client="yes"])
4346 AC_MSG_RESULT([$enable_client])
4347 ]) # LC_CONFIG_CLIENT
4352 AC_DEFUN([LB_CONFIG_MPITESTS], [
4353 AC_ARG_ENABLE([mpitests],
4354 AS_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
4355 [include mpi tests]), [
4356 enable_mpitests="yes"
4359 MPICC_WRAPPER="mpicc"
4360 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4363 enable_mpitests="no"
4367 MPICC_WRAPPER=$enableval
4368 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
4372 enable_mpitests="yes"
4373 MPICC_WRAPPER="mpicc"
4374 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4377 if test "x$enable_mpitests" != "xno"; then
4380 AC_CACHE_CHECK([whether mpitests can be built],
4381 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4385 MPI_Initialized(&flag);
4388 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
4390 enable_mpitests=$lb_cv_mpi_tests
4394 AC_SUBST(MPICC_WRAPPER)
4395 ]) # LB_CONFIG_MPITESTS
4400 # whether to enable quota support global control
4402 AC_DEFUN([LC_ENABLE_QUOTA], [
4403 AC_MSG_CHECKING([whether to enable quota support global control])
4404 AC_ARG_ENABLE([quota],
4405 AS_HELP_STRING([--enable-quota],
4406 [enable quota support]),
4407 [], [enable_quota="yes"])
4408 AS_IF([test "x$enable_quota" = xyes],
4409 [AC_MSG_RESULT([yes])],
4410 [AC_MSG_RESULT([no])])
4411 ]) # LC_ENABLE_QUOTA
4416 AC_DEFUN([LC_QUOTA], [
4420 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
4421 AC_CHECK_HEADER([sys/quota.h],
4422 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
4423 [Define to 1 if you have <sys/quota.h>.])],
4424 [AC_MSG_ERROR([did not find <sys/quota.h> on your system])])
4431 # configure support for optional OSD implementation
4433 AC_DEFUN([LC_OSD_ADDON], [
4434 AC_MSG_CHECKING([whether to use OSD addon])
4436 AS_HELP_STRING([--with-osd=path],
4437 [set path to optional osd]),
4444 OSDADDON="$with_osd"
4451 AS_IF([test $ENABLEOSDADDON -eq 0], [
4455 OSDMODNAME=$(basename $OSDADDON)
4456 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
4457 AC_MSG_RESULT([cannot link])
4459 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
4460 AC_MSG_RESULT([$OSDMODNAME])
4461 OSDADDON="obj-m += $OSDMODNAME/"
4463 AC_MSG_RESULT([cannot link])
4473 # Check whether to enable Lustre client crypto
4475 AC_DEFUN([LC_CONFIG_CRYPTO], [
4476 AC_MSG_CHECKING([whether to enable Lustre client crypto])
4477 AC_ARG_ENABLE([crypto],
4478 AS_HELP_STRING([--enable-crypto=yes|no|in-kernel],
4479 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
4480 [], [enable_crypto="auto"])
4481 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
4485 LC_FSCRYPT_SUPPORT])
4486 AS_IF([test "x$enable_crypto" = xin-kernel], [
4487 AS_IF([test "x$has_fscrypt_support" = xyes], [
4488 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
4489 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
4490 enable_crypto=no])],
4491 [AS_IF([test "x$has_is_encrypted" = xyes], [
4492 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
4493 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
4494 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1, [embedded llcrypt uses llcrypt_dummy_context_enabled()])
4495 enable_crypto="embedded-llcrypt"
4496 enable_llcrypt=yes], [
4497 AS_IF([test "x$enable_crypto" = xyes],
4498 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
4499 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
4500 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
4501 enable_crypto=no])])
4502 AS_IF([test "x$enable_dist" != xno], [
4504 enable_llcrypt=yes])
4505 AC_MSG_RESULT([$enable_crypto])
4506 ]) # LC_CONFIG_CRYPTO
4511 # other configure checks
4513 AC_DEFUN([LC_CONFIGURE], [
4514 AC_MSG_NOTICE([Lustre core checks
4515 ==============================================================================])
4517 # maximum MDS thread count
4520 # lustre/utils/gss/gss_util.c
4521 # lustre/utils/llog_reader.c
4522 # lustre/utils/create_iam.c
4523 # lustre/utils/libiam.c
4524 AC_CHECK_HEADERS([netdb.h endian.h])
4525 AC_CHECK_FUNCS([gethostbyname])
4527 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
4528 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
4529 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
4531 ext2fs.h not found. Please install e2fsprogs development package.
4536 # lustre/tests/statx_test.c
4537 AC_CHECK_FUNCS([statx])
4539 # lustre/utils/lfs.c
4540 AS_IF([test "$enable_dist" = "no"], [
4541 AC_CHECK_LIB([z], [crc32], [
4542 AC_CHECK_HEADER([zlib.h], [], [
4543 AC_MSG_ERROR([zlib.h not found.])])
4546 zlib library not found. Please install zlib development package.])
4552 AC_CHECK_LIB([selinux], [is_selinux_enabled],
4553 [AC_CHECK_HEADERS([selinux/selinux.h],
4554 [SELINUX="-lselinux"
4555 AC_DEFINE([HAVE_SELINUX], 1,
4556 [support for selinux ])],
4559 No libselinux-devel package found, unable to build selinux enabled tools
4564 No selinux package found, unable to build selinux enabled tools
4569 AC_CHECK_LIB([keyutils], [add_key])
4572 AC_MSG_CHECKING([whether to report minimum OST free space])
4573 AC_ARG_ENABLE([mindf],
4574 AS_HELP_STRING([--enable-mindf],
4575 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
4576 [], [enable_mindf="no"])
4577 AC_MSG_RESULT([$enable_mindf])
4578 AS_IF([test "$enable_mindf" = "yes"], [
4579 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
4580 AC_SUBST(ENABLE_MINDF, yes)
4582 AC_SUBST(ENABLE_MINDF, no)
4585 AC_MSG_CHECKING([whether to randomly failing memory alloc])
4586 AC_ARG_ENABLE([fail_alloc],
4587 AS_HELP_STRING([--disable-fail-alloc],
4588 [disable randomly alloc failure]),
4589 [], [enable_fail_alloc="yes"])
4590 AC_MSG_RESULT([$enable_fail_alloc])
4591 AS_IF([test "x$enable_fail_alloc" != xno], [
4592 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
4593 AC_SUBST(ENABLE_FAIL_ALLOC, yes)
4595 AC_SUBST(ENABLE_FAIL_ALLOC, no)
4598 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
4599 AC_ARG_ENABLE([invariants],
4600 AS_HELP_STRING([--enable-invariants],
4601 [enable invariant checking (cpu intensive)]),
4602 [], [enable_invariants="no"])
4603 AC_MSG_RESULT([$enable_invariants])
4604 AS_IF([test "x$enable_invariants" = xyes], [
4605 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
4606 [enable invariant checking])
4607 AC_SUBST(ENABLE_INVARIANTS, yes)
4609 AC_SUBST(ENABLE_INVARIANTS, no)
4612 AC_MSG_CHECKING([whether to track references with lu_ref])
4613 AC_ARG_ENABLE([lu_ref],
4614 AS_HELP_STRING([--enable-lu_ref],
4615 [enable lu_ref reference tracking code]),
4616 [], [enable_lu_ref="no"])
4617 AC_MSG_RESULT([$enable_lu_ref])
4618 AS_IF([test "x$enable_lu_ref" = xyes], [
4619 AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
4620 [enable lu_ref reference tracking code])
4621 AC_SUBST(ENABLE_LU_REF, yes)
4623 AC_SUBST(ENABLE_LU_REF, no)
4626 AC_MSG_CHECKING([whether to enable page state tracking])
4627 AC_ARG_ENABLE([pgstate-track],
4628 AS_HELP_STRING([--enable-pgstate-track],
4629 [enable page state tracking]),
4630 [], [enable_pgstat_track="no"])
4631 AC_MSG_RESULT([$enable_pgstat_track])
4632 AS_IF([test "x$enable_pgstat_track" = xyes], [
4633 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
4634 [enable page state tracking code])
4635 AC_SUBST(ENABLE_PGSTAT_TRACK, yes)
4637 AC_SUBST(ENABLE_PGSTAT_TRACK, no)
4641 AC_MSG_CHECKING([systemd unit file directory])
4642 AC_ARG_WITH([systemdsystemunitdir],
4643 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
4644 [Directory for systemd service files])],
4645 [], [with_systemdsystemunitdir=auto])
4646 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
4647 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
4648 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
4649 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
4650 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
4651 with_systemdsystemunitdir=no],
4652 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
4653 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
4654 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
4655 AC_MSG_RESULT([$with_systemdsystemunitdir])
4657 AC_MSG_CHECKING([bash-completion directory])
4658 AC_ARG_WITH([bash-completion-dir],
4659 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
4660 [Install the bash auto-completion script in this directory.]),
4662 [with_bash_completion_dir=yes])
4663 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
4664 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
4665 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
4666 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
4669 BASH_COMPLETION_DIR="$with_bash_completion_dir"
4671 AC_SUBST([BASH_COMPLETION_DIR])
4672 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
4678 # AM_CONDITIONALS for lustre
4680 AC_DEFUN([LC_CONDITIONALS], [
4681 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
4682 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
4683 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
4684 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
4685 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
4686 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
4687 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
4688 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
4689 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
4690 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
4691 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
4692 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
4693 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
4694 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
4695 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
4696 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
4697 ]) # LC_CONDITIONALS
4702 # files that should be generated with AC_OUTPUT
4704 AC_DEFUN([LC_CONFIG_FILES],
4708 lustre/autoconf/Makefile
4709 lustre/conf/Makefile
4710 lustre/conf/resource/Makefile
4712 lustre/include/Makefile
4713 lustre/include/lustre/Makefile
4714 lustre/include/uapi/linux/lustre/Makefile
4715 lustre/kernel_patches/targets/5.14-rhel9.2.target
4716 lustre/kernel_patches/targets/5.14-rhel9.1.target
4717 lustre/kernel_patches/targets/5.14-rhel9.0.target
4718 lustre/kernel_patches/targets/4.18-rhel8.8.target
4719 lustre/kernel_patches/targets/4.18-rhel8.7.target
4720 lustre/kernel_patches/targets/4.18-rhel8.6.target
4721 lustre/kernel_patches/targets/4.18-rhel8.5.target
4722 lustre/kernel_patches/targets/4.18-rhel8.4.target
4723 lustre/kernel_patches/targets/4.18-rhel8.3.target
4724 lustre/kernel_patches/targets/4.18-rhel8.2.target
4725 lustre/kernel_patches/targets/4.18-rhel8.1.target
4726 lustre/kernel_patches/targets/4.18-rhel8.target
4727 lustre/kernel_patches/targets/3.10-rhel7.9.target
4728 lustre/kernel_patches/targets/3.10-rhel7.8.target
4729 lustre/kernel_patches/targets/3.10-rhel7.7.target
4730 lustre/kernel_patches/targets/3.10-rhel7.6.target
4731 lustre/kernel_patches/targets/3.10-rhel7.5.target
4732 lustre/kernel_patches/targets/4.14-rhel7.5.target
4733 lustre/kernel_patches/targets/4.14-rhel7.6.target
4734 lustre/kernel_patches/targets/4.12-sles12sp4.target
4735 lustre/kernel_patches/targets/4.12-sles12sp5.target
4736 lustre/kernel_patches/targets/4.12-sles15sp1.target
4737 lustre/kernel_patches/targets/5.3-sles15sp2.target
4738 lustre/kernel_patches/targets/5.3-sles15sp3.target
4739 lustre/kernel_patches/targets/5.14-sles15sp4.target
4740 lustre/kernel_patches/targets/3.x-fc18.target
4741 lustre/kernel_patches/targets/5.10-oe2203.target
4742 lustre/ldlm/Makefile
4743 lustre/ldlm/autoMakefile
4744 lustre/ec/autoMakefile
4747 lustre/fid/autoMakefile
4748 lustre/llite/Makefile
4749 lustre/llite/autoMakefile
4751 lustre/lov/autoMakefile
4753 lustre/mdc/autoMakefile
4755 lustre/lmv/autoMakefile
4756 lustre/lfsck/Makefile
4757 lustre/lfsck/autoMakefile
4759 lustre/mdt/autoMakefile
4761 lustre/mdd/autoMakefile
4763 lustre/fld/autoMakefile
4764 lustre/obdclass/Makefile
4765 lustre/obdclass/autoMakefile
4766 lustre/obdecho/Makefile
4767 lustre/obdecho/autoMakefile
4769 lustre/ofd/autoMakefile
4771 lustre/osc/autoMakefile
4773 lustre/ost/autoMakefile
4774 lustre/osd-ldiskfs/Makefile
4775 lustre/osd-ldiskfs/autoMakefile
4776 lustre/osd-zfs/Makefile
4777 lustre/osd-zfs/autoMakefile
4779 lustre/mgc/autoMakefile
4781 lustre/mgs/autoMakefile
4782 lustre/target/Makefile
4783 lustre/target/autoMakefile
4784 lustre/ptlrpc/Makefile
4785 lustre/ptlrpc/autoMakefile
4786 lustre/ptlrpc/gss/Makefile
4787 lustre/ptlrpc/gss/autoMakefile
4788 lustre/quota/Makefile
4789 lustre/quota/autoMakefile
4790 lustre/scripts/Makefile
4791 lustre/scripts/systemd/Makefile
4792 lustre/tests/Makefile
4793 lustre/tests/mpi/Makefile
4794 lustre/tests/iabf/Makefile
4795 lustre/tests/lutf/Makefile
4796 lustre/tests/lutf/src/Makefile
4797 lustre/tests/kernel/Makefile
4798 lustre/tests/kernel/autoMakefile
4799 lustre/utils/Makefile
4800 lustre/utils/gss/Makefile
4802 lustre/osp/autoMakefile
4804 lustre/lod/autoMakefile
4806 ]) # LC_CONFIG_FILES