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], [
73 CFLAGS="$CFLAGS -Werror"
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"
408 CFLAGS="$CFLAGS -Werror"
409 AC_MSG_CHECKING([whether OpenSSL has HMAC_Init_ex])
410 AS_IF([test "x$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);
420 has_hmac_functions="yes"
423 AC_MSG_RESULT([$has_hmac_functions])
424 CFLAGS="$saved_flags"
427 # LC_OPENSSL_EVP_PKEY
429 # OpenSSL 3.0 introduces EVP_PKEY_get_params
430 AC_DEFUN([LC_OPENSSL_EVP_PKEY], [
432 saved_flags="$CFLAGS"
433 CFLAGS="$CFLAGS -Werror"
434 AC_MSG_CHECKING([whether OpenSSL has EVP_PKEY_get_params])
435 AS_IF([test "x$enable_ssk" != xno], [
436 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
437 #include <openssl/evp.h>
442 int rc = EVP_PKEY_get_params(NULL, params);
445 AC_DEFINE(HAVE_OPENSSL_EVP_PKEY, 1, [OpenSSL EVP_PKEY_get_params])
449 CFLAGS="$saved_flags"
450 AC_MSG_RESULT([$has_evp_pkey])
451 ]) # LC_OPENSSL_EVP_PKEY
456 # Check whether to enable Lustre client crypto
458 AC_DEFUN([LC_OPENSSL_SSK], [
459 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
460 AS_IF([test "x$enable_ssk" != xno], [
466 AS_IF([test "x$has_hmac_functions" = xyes -o "x$has_evp_pkey" = xyes], [
467 AC_DEFINE(HAVE_OPENSSL_SSK, 1, [OpenSSL HMAC functions needed for SSK])
471 AC_MSG_RESULT([$enable_ssk])
474 # LC_OPENSSL_GETSEPOL
476 # OpenSSL is needed for l_getsepol
477 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
478 saved_flags="$CFLAGS"
479 CFLAGS="$CFLAGS -Werror"
480 AC_MSG_CHECKING([whether openssl-devel is present])
481 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
482 #include <openssl/evp.h>
485 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
488 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
489 enable_getsepol="yes"
495 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
498 AC_MSG_RESULT([$enable_getsepol])
499 CFLAGS="$saved_flags"
500 ]) # LC_OPENSSL_GETSEPOL
503 AC_DEFUN([LC_HAVE_LIBAIO], [
504 AC_CHECK_HEADER([libaio.h],
506 AC_MSG_WARN([libaio is not installed on the system]))
510 # LC_INVALIDATE_RANGE
512 # 3.11 invalidatepage requires the length of the range to invalidate
514 AC_DEFUN([LC_SRC_INVALIDATE_RANGE], [
515 LB2_LINUX_TEST_SRC([address_space_ops_invalidatepage_3args], [
516 #include <linux/fs.h>
518 struct address_space_operations a_ops;
519 a_ops.invalidatepage(NULL, 0, 0);
522 AC_DEFUN([LC_INVALIDATE_RANGE], [
524 [if 'address_space_operations.invalidatepage' requires 3 arguments])
525 LB2_LINUX_TEST_RESULT([address_space_ops_invalidatepage_3args], [
526 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
527 [address_space_operations.invalidatepage needs 3 arguments])
529 ]) # LC_INVALIDATE_RANGE
532 # LC_HAVE_DIR_CONTEXT
534 # 3.11 readdir now takes the new struct dir_context
536 AC_DEFUN([LC_SRC_HAVE_DIR_CONTEXT], [
537 LB2_LINUX_TEST_SRC([dir_context], [
538 #include <linux/fs.h>
540 #ifdef FMODE_KABI_ITERATE
541 #error "back to use readdir in kabi_extand mode"
543 struct dir_context ctx;
549 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
550 AC_MSG_CHECKING([if 'dir_context' exist])
551 LB2_LINUX_TEST_RESULT([dir_context], [
552 AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist])
554 ]) # LC_HAVE_DIR_CONTEXT
559 # 3.11 dentry_operations.d_compare() taken 5 arguments.
561 AC_DEFUN([LC_SRC_D_COMPARE_5ARGS], [
562 LB2_LINUX_TEST_SRC([d_compare_5args], [
563 #include <linux/dcache.h>
565 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
568 AC_DEFUN([LC_D_COMPARE_5ARGS], [
569 AC_MSG_CHECKING([if 'd_compare' taken 5 arguments])
570 LB2_LINUX_TEST_RESULT([d_compare_5args], [
571 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
572 [d_compare need 5 arguments])
574 ]) # LC_D_COMPARE_5ARGS
579 # 3.11 need to access d_count to get dentry reference count
581 AC_DEFUN([LC_SRC_HAVE_DCOUNT], [
582 LB2_LINUX_TEST_SRC([d_count], [
583 #include <linux/dcache.h>
585 struct dentry de = { };
588 count = d_count(&de);
591 AC_DEFUN([LC_HAVE_DCOUNT], [
592 AC_MSG_CHECKING([if 'd_count' exists])
593 LB2_LINUX_TEST_RESULT([d_count], [
594 AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist])
599 # LC_PID_NS_FOR_CHILDREN
601 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
603 AC_DEFUN([LC_SRC_PID_NS_FOR_CHILDREN], [
604 LB2_LINUX_TEST_SRC([pid_ns_for_children], [
605 #include <linux/nsproxy.h>
608 ns.pid_ns_for_children = NULL;
611 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
612 AC_MSG_CHECKING([if 'struct nsproxy' has 'pid_ns_for_children'])
613 LB2_LINUX_TEST_RESULT([pid_ns_for_children], [
614 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
615 ['struct nsproxy' has 'pid_ns_for_children'])
617 ]) # LC_PID_NS_FOR_CHILDREN
620 # LC_OLDSIZE_TRUNCATE_PAGECACHE
622 # 3.12 truncate_pagecache without oldsize parameter
624 AC_DEFUN([LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE], [
625 LB2_LINUX_TEST_SRC([truncate_pagecache_old_size], [
626 #include <linux/mm.h>
628 truncate_pagecache(NULL, 0, 0);
631 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
632 AC_MSG_CHECKING([if 'truncate_pagecache' with 'old_size' parameter])
633 LB2_LINUX_TEST_RESULT([truncate_pagecache_old_size], [
634 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
637 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
642 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
643 # It was added to linux kernel 3.12
645 AC_DEFUN([LC_SRC_PTR_ERR_OR_ZERO_MISSING], [
646 LB2_LINUX_TEST_SRC([is_err_or_null], [
647 #include <linux/err.h>
649 if (PTR_ERR_OR_ZERO(NULL)) return 0;
652 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
653 AC_MSG_CHECKING([if 'PTR_ERR_OR_ZERO' is missing])
654 LB2_LINUX_TEST_RESULT([is_err_or_null], [
655 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
656 ['PTR_ERR_OR_ZERO' exist])
658 ]) # LC_PTR_ERR_OR_ZERO_MISSING
661 # LC_HAVE_DENTRY_D_U_D_ALIAS
663 # 3.11 kernel moved d_alias to the union d_u in struct dentry
665 # Some distros move d_alias to d_u but it is still a struct list
667 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
668 LB2_LINUX_TEST_SRC([d_alias_list], [
669 #include <linux/list.h>
670 #include <linux/dcache.h>
673 INIT_LIST_HEAD(&de.d_u.d_alias);
676 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
677 AC_MSG_CHECKING([if list 'dentry.d_u.d_alias' exist])
678 LB2_LINUX_TEST_RESULT([d_alias_list], [
679 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
680 [list dentry.d_u.d_alias exist])
682 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
685 # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
687 # Some distros move d_alias to d_u and it is an hlist
689 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
690 LB2_LINUX_TEST_SRC([d_alias_hlist], [
691 #include <linux/list.h>
692 #include <linux/dcache.h>
695 INIT_HLIST_NODE(&de.d_u.d_alias);
698 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
699 AC_MSG_CHECKING([if hlist 'dentry.d_u.d_alias' exist])
700 LB2_LINUX_TEST_RESULT([d_alias_hlist], [
701 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
702 [list dentry.d_u.d_alias exist])
704 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
708 # LC_HAVE_DENTRY_D_CHILD
710 # 3.11 kernel d_child has been moved out of the union d_u
713 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_CHILD], [
714 LB2_LINUX_TEST_SRC([d_child], [
715 #include <linux/list.h>
716 #include <linux/dcache.h>
719 INIT_LIST_HEAD(&de.d_child);
722 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
723 AC_MSG_CHECKING([if 'dentry.d_child' exist])
724 LB2_LINUX_TEST_RESULT([d_child], [
725 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1, [dentry.d_child exist])
727 ]) # LC_HAVE_DENTRY_D_CHILD
732 # 3.12 ki_left removed from struct kiocb
734 AC_DEFUN([LC_SRC_KIOCB_KI_LEFT], [
735 LB2_LINUX_TEST_SRC([kiocb_ki_left], [
736 #include <linux/aio.h>
738 ((struct kiocb*)0)->ki_left = 0;
741 AC_DEFUN([LC_KIOCB_KI_LEFT], [
742 AC_MSG_CHECKING([if 'struct kiocb' with 'ki_left' member])
743 LB2_LINUX_TEST_RESULT([kiocb_ki_left], [
744 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
747 ]) # LC_KIOCB_KI_LEFT
750 # LC_REGISTER_SHRINKER_RET
752 # v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
754 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_RET], [
755 LB2_LINUX_TEST_SRC([register_shrinker_ret], [
756 #include <linux/mm.h>
758 if (register_shrinker(NULL))
759 unregister_shrinker(NULL);
762 AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
763 AC_MSG_CHECKING([if register_shrinker() returns status])
764 LB2_LINUX_TEST_RESULT([register_shrinker_ret], [
765 AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
766 [register_shrinker() returns status])
768 ]) # LC_REGISTER_SHRINKER_RET
771 # LC_VFS_RENAME_5ARGS
773 # 3.13 has vfs_rename with 5 args
775 AC_DEFUN([LC_SRC_VFS_RENAME_5ARGS], [
776 LB2_LINUX_TEST_SRC([vfs_rename_5args], [
777 #include <linux/fs.h>
779 vfs_rename(NULL, NULL, NULL, NULL, NULL);
781 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
782 [kernel has vfs_rename with 5 args])
785 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
786 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 5 args])
787 LB2_LINUX_TEST_RESULT([vfs_rename_5args], [
788 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
789 [kernel has vfs_rename with 5 args])
791 ]) # LC_VFS_RENAME_5ARGS
794 # LC_VFS_UNLINK_3ARGS
796 # 3.13 has vfs_unlink with 3 args
798 AC_DEFUN([LC_SRC_VFS_UNLINK_3ARGS], [
799 LB2_LINUX_TEST_SRC([vfs_unlink_3args], [
800 #include <linux/fs.h>
802 vfs_unlink(NULL, NULL, NULL);
805 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
806 AC_MSG_CHECKING([if Linux kernel has 'vfs_unlink' with 3 args])
807 LB2_LINUX_TEST_RESULT([vfs_unlink_3args], [
808 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
809 [kernel has vfs_unlink with 3 args])
811 ]) # LC_VFS_UNLINK_3ARGS
813 # LC_HAVE_D_IS_POSITIVE
815 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
816 # d_is_positive is added
818 AC_DEFUN([LC_SRC_HAVE_D_IS_POSITIVE], [
819 LB2_LINUX_TEST_SRC([d_is_positive], [
820 #include <linux/dcache.h>
825 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
826 AC_MSG_CHECKING([if 'd_is_positive' exist])
827 LB2_LINUX_TEST_RESULT([d_is_positive], [
828 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
829 ['d_is_positive' is available])
831 ]) # LC_HAVE_D_IS_POSITIVE
836 # 3.14 move some of its data in struct bio into the new
839 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER], [
840 LB2_LINUX_TEST_SRC([have_bvec_iter], [
841 #include <linux/bio.h>
843 struct bvec_iter iter;
845 iter.bi_bvec_done = 0;
848 AC_DEFUN([LC_HAVE_BVEC_ITER], [
849 AC_MSG_CHECKING([if Linux kernel has struct bvec_iter])
850 LB2_LINUX_TEST_RESULT([have_bvec_iter], [
851 AC_DEFINE(HAVE_BVEC_ITER, 1,
852 [kernel has struct bvec_iter])
854 ]) # LC_HAVE_BVEC_ITER
859 # 3.14 adds set_acl method to inode_operations
860 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
862 AC_DEFUN([LC_SRC_IOP_SET_ACL], [
863 LB2_LINUX_TEST_SRC([inode_ops_set_acl], [
864 #include <linux/fs.h>
866 struct inode_operations iop;
870 AC_DEFUN([LC_IOP_SET_ACL], [
871 AC_MSG_CHECKING([if 'inode_operations' has '.set_acl' member function])
872 LB2_LINUX_TEST_RESULT([inode_ops_set_acl], [
873 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
874 [inode_operations has .set_acl member function])
879 # LC_HAVE_TRUNCATE_IPAGE_FINAL
881 # 3.14 bring truncate_inode_pages_final for evict_inode
883 AC_DEFUN([LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL], [
884 LB2_LINUX_TEST_SRC([truncate_ipages_final], [
885 #include <linux/mm.h>
887 truncate_inode_pages_final(NULL);
890 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
891 AC_MSG_CHECKING([if Linux kernel has truncate_inode_pages_final])
892 LB2_LINUX_TEST_RESULT([truncate_ipages_final], [
893 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
894 [kernel has truncate_inode_pages_final])
896 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
899 # LC_IOPS_RENAME_WITH_FLAGS
901 # 3.14 has inode_operations->rename with 5 args
902 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
904 AC_DEFUN([LC_SRC_IOPS_RENAME_WITH_FLAGS], [
905 LB2_LINUX_TEST_SRC([iops_rename_with_flags], [
906 #include <linux/fs.h>
908 struct inode *i1 = NULL, *i2 = NULL;
909 struct dentry *d1 = NULL, *d2 = NULL;
911 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
913 ]) # LC_IOPS_RENAME_WITH_FLAGS
914 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
915 AC_MSG_CHECKING([if 'inode_operations->rename' taken flags as argument])
916 LB2_LINUX_TEST_RESULT([iops_rename_with_flags], [
917 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
918 [inode_operations->rename need flags as argument])
920 ]) # LC_IOPS_RENAME_WITH_FLAGS
923 # LC_VFS_RENAME_6ARGS
925 # 3.15 has vfs_rename with 6 args
927 AC_DEFUN([LC_SRC_VFS_RENAME_6ARGS], [
928 LB2_LINUX_TEST_SRC([vfs_rename_6args], [
929 #include <linux/fs.h>
931 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
934 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
935 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 6 args])
936 LB2_LINUX_TEST_RESULT([vfs_rename_6args], [
937 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
938 [kernel has vfs_rename with 6 args])
940 ]) # LC_VFS_RENAME_6ARGS
943 # LC_DIRECTIO_USE_ITER
945 # 3.16 kernel changes direct IO to use iov_iter
947 AC_DEFUN([LC_SRC_DIRECTIO_USE_ITER], [
948 LB2_LINUX_TEST_SRC([direct_io_iter], [
949 #include <linux/fs.h>
951 struct address_space_operations ops = { };
952 struct iov_iter *iter = NULL;
955 ops.direct_IO(0, NULL, iter, offset);
958 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
959 AC_MSG_CHECKING([if direct IO uses iov_iter])
960 LB2_LINUX_TEST_RESULT([direct_io_iter], [
961 AC_DEFINE(HAVE_DIRECTIO_ITER, 1, [direct IO uses iov_iter])
963 ]) # LC_DIRECTIO_USE_ITER
966 # LC_HAVE_IOV_ITER_INIT_DIRECTION
969 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
970 # changed iov_iter_init api to start accepting a tag
971 # that defines if its a read or write operation
973 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION], [
974 LB2_LINUX_TEST_SRC([iter_init], [
975 #include <linux/uio.h>
976 #include <linux/fs.h>
978 const struct iovec *iov = NULL;
980 iov_iter_init(NULL, READ, iov, 1, 0);
983 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
984 AC_MSG_CHECKING([if 'iov_iter_init' takes a tag])
985 LB2_LINUX_TEST_RESULT([iter_init], [
986 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
987 [iov_iter_init handles directional tag])
989 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
992 # LC_HAVE_IOV_ITER_TRUNCATE
995 # 3.16 introduces a new API iov_iter_truncate()
997 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_TRUNCATE], [
998 LB2_LINUX_TEST_SRC([iter_truncate], [
999 #include <linux/uio.h>
1000 #include <linux/fs.h>
1002 struct iov_iter *i = NULL;
1004 iov_iter_truncate(i, 0);
1007 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1008 AC_MSG_CHECKING([if 'iov_iter_truncate' exists])
1009 LB2_LINUX_TEST_RESULT([iter_truncate], [
1010 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1012 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1015 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1017 # 3.16 introduces [read|write]_iter to struct file_operations
1019 AC_DEFUN([LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1020 LB2_LINUX_TEST_SRC([file_function_iter], [
1021 #include <linux/fs.h>
1023 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1024 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1027 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1028 AC_MSG_CHECKING([if 'file_operations.[read|write]_iter' exist])
1029 LB2_LINUX_TEST_RESULT([file_function_iter], [
1030 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1031 [file_operations.[read|write]_iter functions exist])
1033 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1036 # LC_PAGECACHE_GET_PAGE
1038 # Kernel version 3.16 commit 2457aec63745e235bcafb7ef312b182d8682f0fc
1039 # @pagecache_get_page was introduced since Linux 3.16
1041 AC_DEFUN([LC_SRC_PAGECACHE_GET_PAGE], [
1042 LB2_LINUX_TEST_SRC([pagecache_get_page], [
1043 #include <linux/pagemap.h>
1045 pagecache_get_page(NULL, 0, 0, 0);
1048 AC_DEFUN([LC_PAGECACHE_GET_PAGE], [
1049 AC_MSG_CHECKING([if 'pagecache_get_page' exists])
1050 LB2_LINUX_TEST_RESULT([pagecache_get_page], [
1051 AC_DEFINE(HAVE_PAGECACHE_GET_PAGE, 1,
1052 ['pagecache_get_page' is available])
1054 ]) # LC_PAGECACHE_GET_PAGE
1057 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1059 # 3.17 replace sector_size with interval in struct blk_integrity
1061 AC_DEFUN([LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY], [
1062 LB2_LINUX_TEST_SRC([interval_blk_integrity], [
1063 #include <linux/blkdev.h>
1065 ((struct blk_integrity *)0)->interval = 0;
1068 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1069 AC_MSG_CHECKING([if 'blk_integrity.interval' exist])
1070 LB2_LINUX_TEST_RESULT([interval_blk_integrity], [
1071 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1072 [blk_integrity.interval exist])
1074 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1079 # 3.17 replaces key_type::match with match_preparse
1080 # and has new struct key_match_data
1082 AC_DEFUN([LC_SRC_KEY_MATCH_DATA], [
1083 LB2_LINUX_TEST_SRC([key_match], [
1084 #include <linux/key-type.h>
1086 struct key_match_data data;
1088 data.raw_data = NULL;
1091 AC_DEFUN([LC_KEY_MATCH_DATA], [
1092 AC_MSG_CHECKING([if struct key_match field exist])
1093 LB2_LINUX_TEST_RESULT([key_match], [
1094 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1, [struct key_match_data exist])
1096 ]) # LC_KEY_MATCH_DATA
1099 # LC_HAVE_BLK_INTEGRITY_ITER
1101 # Linux commit v3.17-rc5-69-g1859308853b1 replaces
1102 # struct blk_integrity_exchg with struct blk_integrity_iter
1104 # LB_CHECK_LINUX_HEADER has already run so we can rely on
1105 # HAVE_LINUX_BLK_INTEGRITY_HEADER being set correctly before
1108 AC_DEFUN([LC_SRC_HAVE_BLK_INTEGRITY_ITER], [
1109 LB2_LINUX_TEST_SRC([blk_integrity_iter], [
1110 #ifdef HAVE_LINUX_BLK_INTEGRITY_HEADER
1111 # include <linux/blk-integrity.h>
1113 # include <linux/blkdev.h>
1116 struct blk_integrity_iter iter;
1118 iter.prot_buf = NULL;
1121 AC_DEFUN([LC_HAVE_BLK_INTEGRITY_ITER], [
1122 AC_MSG_CHECKING([if struct blk_integrity_iter exist])
1123 LB2_LINUX_TEST_RESULT([blk_integrity_iter], [
1124 AC_DEFINE(HAVE_BLK_INTEGRITY_ITER, 1,
1125 [kernel has struct blk_integrity_iter])
1127 ]) # LC_HAVE_BLK_INTEGRITY_ITER
1130 # LC_NFS_FILLDIR_USE_CTX
1132 # 3.18 kernel moved from void cookie to struct dir_context
1134 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX], [
1135 LB2_LINUX_TEST_SRC([filldir_ctx], [
1136 #include <linux/fs.h>
1138 int filldir(struct dir_context *ctx, const char* name,
1139 int i, loff_t off, u64 tmp, unsigned temp)
1144 struct dir_context ctx = {
1148 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1151 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1152 AC_MSG_CHECKING([if filldir_t uses struct dir_context])
1153 LB2_LINUX_TEST_RESULT([filldir_ctx], [
1154 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1155 [filldir_t needs struct dir_context as argument])
1157 ]) # LC_NFS_FILLDIR_USE_CTX
1160 # LC_PERCPU_COUNTER_INIT
1162 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1163 # to pass a GFP_* memory allocation flag for internal
1164 # memory allocation purposes.
1166 AC_DEFUN([LC_SRC_PERCPU_COUNTER_INIT], [
1167 LB2_LINUX_TEST_SRC([percpu_counter_init], [
1168 #include <linux/percpu_counter.h>
1170 percpu_counter_init(NULL, 0, GFP_KERNEL);
1173 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1174 AC_MSG_CHECKING([if percpu_counter_init uses GFP_* flag as argument])
1175 LB2_LINUX_TEST_RESULT([percpu_counter_init], [
1176 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1177 [percpu_counter_init uses GFP_* flag])
1179 ]) # LC_PERCPU_COUNTER_INIT
1182 # LC_KIOCB_HAS_NBYTES
1184 # 3.19 kernel removed ki_nbytes from struct kiocb
1186 AC_DEFUN([LC_SRC_KIOCB_HAS_NBYTES], [
1187 LB2_LINUX_TEST_SRC([ki_nbytes], [
1188 #include <linux/fs.h>
1190 struct kiocb iocb = { };
1195 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1196 AC_MSG_CHECKING([if struct kiocb has ki_nbytes field])
1197 LB2_LINUX_TEST_RESULT([ki_nbytes], [
1198 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1200 ]) # LC_KIOCB_HAS_NBYTES
1203 # LC_HAVE_DQUOT_QC_DQBLK
1205 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
1206 # Added in commit 14bf61ffe
1208 AC_DEFUN([LC_SRC_HAVE_DQUOT_QC_DQBLK], [
1209 LB2_LINUX_TEST_SRC([qc_dqblk], [
1210 #include <linux/fs.h>
1211 #include <linux/quota.h>
1213 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
1216 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
1217 AC_MSG_CHECKING([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk])
1218 LB2_LINUX_TEST_RESULT([qc_dqblk], [
1219 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
1220 [quotactl_ops.set_dqblk takes struct qc_dqblk])
1221 AC_DEFINE(HAVE_DQUOT_KQID, 1,
1222 [quotactl_ops.set_dqblk takes struct kqid])
1224 ]) # LC_HAVE_DQUOT_QC_DQBLK
1227 # LC_HAVE_AIO_COMPLETE
1229 # 3.19 kernel makes aio_complete() static
1231 AC_DEFUN([LC_SRC_HAVE_AIO_COMPLETE], [
1232 LB2_LINUX_TEST_SRC([aio_complete], [
1233 #include <linux/aio.h>
1235 aio_complete(NULL, 0, 0);
1238 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
1239 AC_MSG_CHECKING([if kernel has exported aio_complete()])
1240 LB2_LINUX_TEST_RESULT([aio_complete], [
1241 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
1243 ]) # LC_HAVE_AIO_COMPLETE
1246 # LC_HAVE_IS_ROOT_INODE
1248 # 3.19 kernel adds is_root_inode()
1249 # Commit a7400222e3eb ("new helper: is_root_inode()")
1251 AC_DEFUN([LC_SRC_HAVE_IS_ROOT_INODE], [
1252 LB2_LINUX_TEST_SRC([is_root_inode], [
1253 #include <linux/fs.h>
1255 is_root_inode(NULL);
1258 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1259 AC_MSG_CHECKING([if kernel has is_root_inode()])
1260 LB2_LINUX_TEST_RESULT([is_root_inode], [
1261 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1263 ]) # LC_HAVE_IS_ROOT_INODE
1266 # LC_BACKING_DEV_INFO_REMOVAL
1268 # 3.20 kernel removed backing_dev_info from address_space
1270 AC_DEFUN([LC_SRC_BACKING_DEV_INFO_REMOVAL], [
1271 LB2_LINUX_TEST_SRC([backing_dev_info], [
1272 #include <linux/fs.h>
1274 struct address_space mapping;
1276 mapping.backing_dev_info = NULL;
1279 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1280 AC_MSG_CHECKING([if struct address_space has backing_dev_info])
1281 LB2_LINUX_TEST_RESULT([backing_dev_info], [
1282 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1284 ]) # LC_BACKING_DEV_INFO_REMOVAL
1287 # LC_HAVE_BDI_CAP_MAP_COPY
1289 # 3.20 removed mmap handling for backing devices since
1290 # it breaks on non-MMU systems. See kernel commit
1291 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1293 AC_DEFUN([LC_SRC_HAVE_BDI_CAP_MAP_COPY], [
1294 LB2_LINUX_TEST_SRC([bdi_cap_map_copy], [
1295 #include <linux/backing-dev.h>
1297 struct backing_dev_info info;
1299 info.capabilities = BDI_CAP_MAP_COPY;
1301 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1302 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1303 AC_MSG_CHECKING([if have 'BDI_CAP_MAP_COPY'])
1304 LB2_LINUX_TEST_RESULT([bdi_cap_map_copy], [
1305 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1306 [BDI_CAP_MAP_COPY exist])
1308 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1311 # LC_HAVE_PROJECT_QUOTA
1313 # Kernel version v4.0-rc1-197-g847aac644e92
1315 AC_DEFUN([LC_SRC_HAVE_PROJECT_QUOTA], [
1316 LB2_LINUX_TEST_SRC([get_projid], [
1318 #include <linux/quota.h>
1320 struct dquot_operations ops = { };
1322 ops.get_projid(NULL, NULL);
1325 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1326 AC_MSG_CHECKING([if get_projid exists])
1327 LB2_LINUX_TEST_RESULT([get_projid], [
1328 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1329 [get_projid function exists])
1331 ]) # LC_HAVE_PROJECT_QUOTA
1336 # 4.1 kernel has iov_iter_rw
1338 AC_DEFUN([LC_SRC_IOV_ITER_RW], [
1339 LB2_LINUX_TEST_SRC([iov_iter_rw], [
1340 #include <linux/fs.h>
1341 #include <linux/uio.h>
1343 struct iov_iter *iter = NULL;
1348 AC_DEFUN([LC_IOV_ITER_RW], [
1349 AC_MSG_CHECKING([if iov_iter_rw exist])
1350 LB2_LINUX_TEST_RESULT([iov_iter_rw], [
1351 AC_DEFINE(HAVE_IOV_ITER_RW, 1, [iov_iter_rw exist])
1356 # LC_HAVE_SYNC_READ_WRITE
1358 # 4.1 new_sync_[read|write] no longer exported
1360 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1361 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1362 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1363 [new_sync_[read|write] is exported by the kernel])])
1364 ]) # LC_HAVE_SYNC_READ_WRITE
1369 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1371 AC_DEFUN([LC_SRC_HAVE___BI_CNT], [
1372 LB2_LINUX_TEST_SRC([have___bi_cnt], [
1373 #include <asm/atomic.h>
1374 #include <linux/bio.h>
1375 #include <linux/blk_types.h>
1377 struct bio bio = { };
1379 cnt = atomic_read(&bio.__bi_cnt);
1382 AC_DEFUN([LC_HAVE___BI_CNT], [
1383 AC_MSG_CHECKING([if Linux kernel has __bi_cnt in struct bio])
1384 LB2_LINUX_TEST_RESULT([have___bi_cnt], [
1385 AC_DEFINE(HAVE___BI_CNT, 1, [struct bio has __bi_cnt])
1387 ]) # LC_HAVE___BI_CNT
1390 # LC_SYMLINK_OPS_USE_NAMEIDATA
1392 # For the 4.2+ kernels the file system internal symlink api no
1393 # longer uses struct nameidata as a argument
1395 AC_DEFUN([LC_SRC_SYMLINK_OPS_USE_NAMEIDATA], [
1396 LB2_LINUX_TEST_SRC([symlink_use_nameidata], [
1397 #include <linux/namei.h>
1398 #include <linux/fs.h>
1400 struct nameidata *nd = NULL;
1402 ((struct inode_operations *)0)->follow_link(NULL, nd);
1403 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1406 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1407 AC_MSG_CHECKING([if symlink inode operations have struct nameidata argument])
1408 LB2_LINUX_TEST_RESULT([symlink_use_nameidata], [
1409 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1410 [symlink inode operations need struct nameidata argument])
1412 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1415 # LC_BIO_ENDIO_USES_ONE_ARG
1417 # 4.2 kernel bio_endio now only takes one argument
1419 AC_DEFUN([LC_SRC_BIO_ENDIO_USES_ONE_ARG], [
1420 LB2_LINUX_TEST_SRC([bio_endio], [
1421 #include <linux/bio.h>
1426 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1427 AC_MSG_CHECKING([if 'bio_endio' with one argument exist])
1428 LB2_LINUX_TEST_RESULT([bio_endio], [
1429 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1430 [bio_endio takes only one argument])
1432 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1435 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1437 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1439 AC_DEFUN([LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1440 LB2_LINUX_TEST_SRC([account_page_dirtied_3a], [
1441 #include <linux/mm.h>
1443 account_page_dirtied(NULL, NULL, NULL);
1446 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1447 AC_MSG_CHECKING([if 'account_page_dirtied' with 3 args exists])
1448 LB2_LINUX_TEST_RESULT([account_page_dirtied_3a], [
1449 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1450 [account_page_dirtied takes three arguments])
1452 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1455 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1457 # Kernel version 4.12 commit 7a7ffe65c8c5
1458 # introduced crypto_alloc_skcipher().
1460 AC_DEFUN([LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1461 LB2_LINUX_TEST_SRC([crypto_alloc_skcipher], [
1462 #include <crypto/skcipher.h>
1464 crypto_alloc_skcipher(NULL, 0, 0);
1467 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1468 AC_MSG_CHECKING([if crypto_alloc_skcipher is defined])
1469 LB2_LINUX_TEST_RESULT([crypto_alloc_skcipher], [
1470 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1471 [crypto_alloc_skcipher is defined])
1473 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1476 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1478 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1479 # 'struct blk_integrity_profile' is also added in this version,
1480 # thus use this to determine whether 'struct blk_integrity' has profile
1482 AC_DEFUN([LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1483 LB2_LINUX_TEST_SRC([blk_integrity_interval_exp], [
1484 #include <linux/blkdev.h>
1486 ((struct blk_integrity *)0)->interval_exp = 0;
1489 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1490 AC_MSG_CHECKING([if 'blk_integrity.interval_exp' exist])
1491 LB2_LINUX_TEST_RESULT([blk_integrity_interval_exp], [
1492 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1493 [blk_integrity.interval_exp exist])
1495 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1498 # LC_HAVE_CACHE_HEAD_HLIST
1500 # 4.3 kernel swiched to hlist for cache_head
1502 AC_DEFUN([LC_SRC_HAVE_CACHE_HEAD_HLIST], [
1503 LB2_LINUX_TEST_SRC([cache_head_has_hlist], [
1504 #include <linux/sunrpc/cache.h>
1506 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1509 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1510 AC_MSG_CHECKING([if 'struct cache_head' has 'cache_list' field])
1511 LB2_LINUX_TEST_RESULT([cache_head_has_hlist], [
1512 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1513 [cache_head has hlist cache_list])
1515 ]) # LC_HAVE_CACHE_HEAD_HLIST
1518 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1520 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1521 # simplified xattr_handler handling by passing in the handler pointer
1523 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1524 LB2_LINUX_TEST_SRC([xattr_handler_simplified], [
1525 #include <linux/xattr.h>
1527 struct xattr_handler handler;
1529 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1530 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1533 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1534 AC_MSG_CHECKING([if 'struct xattr_handler' functions pass in handler pointer])
1535 LB2_LINUX_TEST_RESULT([xattr_handler_simplified], [
1536 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1,
1537 [handler pointer is parameter])
1539 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1542 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1544 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1546 AC_DEFUN([LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1547 LB2_LINUX_TEST_SRC([bio_integrity_payload_bip_iter], [
1548 #include <linux/bio.h>
1550 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1553 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1554 AC_MSG_CHECKING([if 'bio_integrity_payload.bip_iter' exist])
1555 LB2_LINUX_TEST_RESULT([bio_integrity_payload_bip_iter], [
1556 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1557 [bio_integrity_payload.bip_iter exist])
1559 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1562 # LC_BIO_INTEGRITY_PREP_FN
1564 # Lustre kernel patch extents bio_integrity_prep to accept optional
1565 # generate/verify_fn as extra args.
1567 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN], [
1568 LB2_LINUX_TEST_SRC([bio_integrity_prep_fn], [
1569 #include <linux/bio.h>
1571 bio_integrity_prep_fn(NULL, NULL, NULL);
1574 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1575 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' exists])
1576 LB2_LINUX_TEST_RESULT([bio_integrity_prep_fn], [
1577 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1578 [kernel has bio_integrity_prep_fn])
1579 AC_SUBST(PATCHED_INTEGRITY_INTF)
1581 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1583 ]) # LC_BIO_INTEGRITY_PREP_FN
1585 # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1587 # 13 kernel integrity API has changed and in 4.13+
1588 # (as well as in rhel 8.4) bio_integrity_prep() returns boolean true
1591 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1592 LB2_LINUX_TEST_SRC([bio_integrity_prep_ret_bool], [
1593 #include <linux/bio.h>
1594 #include <linux/typecheck.h>
1596 #pragma GCC diagnostic warning "-Werror"
1597 typedef bool (*bio_integrity_prep_type)(struct bio *bio) ;
1599 typecheck_fn(bio_integrity_prep_type, bio_integrity_prep);
1602 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1603 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' returns bool])
1604 LB2_LINUX_TEST_RESULT([bio_integrity_prep_ret_bool], [
1605 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL, 1,
1606 [bio_integrity_prep_fn returns bool])
1608 ]) # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1613 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1615 AC_DEFUN([LC_SRC_HAVE_BI_OPF], [
1616 LB2_LINUX_TEST_SRC([have_bi_opf], [
1617 #include <linux/bio.h>
1624 AC_DEFUN([LC_HAVE_BI_OPF], [
1625 AC_MSG_CHECKING([if Linux kernel has bi_opf in struct bio])
1626 LB2_LINUX_TEST_RESULT([have_bi_opf], [
1627 AC_DEFINE(HAVE_BI_OPF, 1, [struct bio has bi_opf])
1632 # LC_HAVE_SUBMIT_BIO_2ARGS
1634 # 4.4 removed an argument from submit_bio
1636 AC_DEFUN([LC_SRC_HAVE_SUBMIT_BIO_2ARGS], [
1637 LB2_LINUX_TEST_SRC([have_submit_bio_2args], [
1638 #include <linux/bio.h>
1641 submit_bio(READ, &bio);
1644 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1645 AC_MSG_CHECKING([if submit_bio takes two arguments])
1646 LB2_LINUX_TEST_RESULT([have_submit_bio_2args], [
1647 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1648 [submit_bio takes two arguments])
1650 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1653 # LC_HAVE_CLEAN_BDEV_ALIASES
1655 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1656 # (SLES12/kernel commit 29f3ad7d8380364c)
1658 AC_DEFUN([LC_SRC_HAVE_CLEAN_BDEV_ALIASES], [
1659 LB2_LINUX_TEST_SRC([have_clean_bdev_aliases], [
1660 #include <linux/buffer_head.h>
1662 clean_bdev_aliases(NULL,1,1);
1665 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1666 AC_MSG_CHECKING([if kernel has clean_bdev_aliases])
1667 LB2_LINUX_TEST_RESULT([have_clean_bdev_aliases], [
1668 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1669 [kernel has clean_bdev_aliases])
1671 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1674 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1676 # 4.4 kernel have moved locks API users to
1677 # locks_lock_inode_wait()
1679 AC_DEFUN([LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1680 LB2_LINUX_TEST_SRC([locks_lock_file_wait], [
1681 #include <linux/fs.h>
1683 locks_lock_file_wait(NULL, NULL);
1686 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1687 AC_MSG_CHECKING([if 'locks_lock_file_wait' exists])
1688 LB2_LINUX_TEST_RESULT([locks_lock_file_wait], [
1689 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1690 [kernel has locks_lock_file_wait])
1692 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1695 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1697 # 4.4 kernel merged type-specific data with the payload data for keys
1699 AC_DEFUN([LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1700 LB2_LINUX_TEST_SRC([key_payload_data_array], [
1701 #include <linux/key.h>
1703 struct key key = { };
1705 key.payload.data[0] = NULL;
1708 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1709 AC_MSG_CHECKING([if 'struct key' has 'payload.data' as an array])
1710 LB2_LINUX_TEST_RESULT([key_payload_data_array], [
1711 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1713 ]) # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1716 # LC_HAVE_XATTR_HANDLER_NAME
1718 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1719 # add a name member to struct xattr_handler
1721 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_NAME], [
1722 LB2_LINUX_TEST_SRC([xattr_handler_name], [
1723 #include <linux/xattr.h>
1725 ((struct xattr_handler *)NULL)->name = NULL;
1728 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1729 AC_MSG_CHECKING([if 'struct xattr_handler' has a name member])
1730 LB2_LINUX_TEST_RESULT([xattr_handler_name], [
1731 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
1732 [xattr_handler has a name member])
1734 ]) # LC_HAVE_XATTR_HANDLER_NAME
1737 # LC_HAVE_FILE_DENTRY
1739 # 4.5 adds wrapper file_dentry
1741 AC_DEFUN([LC_SRC_HAVE_FILE_DENTRY], [
1742 LB2_LINUX_TEST_SRC([file_dentry], [
1743 #include <linux/fs.h>
1748 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1749 AC_MSG_CHECKING([if Linux kernel has 'file_dentry'])
1750 LB2_LINUX_TEST_RESULT([file_dentry], [
1751 AC_DEFINE(HAVE_FILE_DENTRY, 1, [kernel has file_dentry])
1753 ]) # LC_HAVE_FILE_DENTRY
1756 # LC_HAVE_INODE_LOCK
1758 # 4.5 introduced inode_lock
1760 AC_DEFUN([LC_SRC_HAVE_INODE_LOCK], [
1761 LB2_LINUX_TEST_SRC([inode_lock], [
1762 #include <linux/fs.h>
1767 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1768 AC_MSG_CHECKING([if 'inode_lock' is defined])
1769 LB2_LINUX_TEST_RESULT([inode_lock], [
1770 AC_DEFINE(HAVE_INODE_LOCK, 1, [inode_lock is defined])
1772 ]) # LC_HAVE_INODE_LOCK
1775 # LC_HAVE_IOP_GET_LINK
1777 # 4.5 vfs replaced iop->follow_link with
1780 AC_DEFUN([LC_SRC_HAVE_IOP_GET_LINK], [
1781 LB2_LINUX_TEST_SRC([inode_ops_get_link], [
1782 #include <linux/fs.h>
1784 struct inode_operations iop;
1785 iop.get_link = NULL;
1788 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1789 AC_MSG_CHECKING([if 'iop' has 'get_link'])
1790 LB2_LINUX_TEST_RESULT([inode_ops_get_link], [
1791 AC_DEFINE(HAVE_IOP_GET_LINK, 1, [have iop get_link])
1793 ]) # LC_HAVE_IOP_GET_LINK
1796 # LC_HAVE_IN_COMPAT_SYSCALL
1798 # 4.6 renamed is_compat_task to in_compat_syscall
1800 AC_DEFUN([LC_SRC_HAVE_IN_COMPAT_SYSCALL], [
1801 LB2_LINUX_TEST_SRC([in_compat_syscall], [
1802 #include <linux/compat.h>
1804 in_compat_syscall();
1807 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1808 AC_MSG_CHECKING([if 'in_compat_syscall' is defined])
1809 LB2_LINUX_TEST_RESULT([in_compat_syscall], [
1810 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1, [have in_compat_syscall])
1812 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1815 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1817 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1818 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1819 # to xattr_handler functions
1821 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1822 LB2_LINUX_TEST_SRC([xattr_handler_inode_param], [
1823 #include <linux/xattr.h>
1825 const struct xattr_handler handler;
1827 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1828 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1831 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1832 AC_MSG_CHECKING([if 'struct xattr_handler' functions have inode parameter])
1833 LB2_LINUX_TEST_RESULT([xattr_handler_inode_param], [
1834 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1836 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1841 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1842 # introduced parallel lookups in the VFS layer. The inline function
1843 # d_in_lookup was added to notify when the same item was being queried
1846 AC_DEFUN([LC_SRC_D_IN_LOOKUP], [
1847 LB2_LINUX_TEST_SRC([d_in_lookup], [
1848 #include <linux/dcache.h>
1853 AC_DEFUN([LC_D_IN_LOOKUP], [
1854 AC_MSG_CHECKING([if 'd_in_lookup' is defined])
1855 LB2_LINUX_TEST_RESULT([d_in_lookup], [
1856 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1861 # LC_LOCK_PAGE_MEMCG
1863 # Kernel version 4.6 adds lock_page_memcg(page)
1864 # Linux commit v5.15-12273-gab2f9d2d3626
1865 # mm: unexport {,un}lock_page_memcg
1867 AC_DEFUN([LC_SRC_LOCK_PAGE_MEMCG], [
1868 LB2_LINUX_TEST_SRC([lock_page_memcg], [
1869 #include <linux/memcontrol.h>
1871 lock_page_memcg(NULL);
1874 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1875 AC_MSG_CHECKING([if 'lock_page_memcg' is defined])
1876 LB2_LINUX_TEST_RESULT([lock_page_memcg], [
1877 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1, [lock_page_memcg is defined])
1879 ]) # LC_LOCK_PAGE_MEMCG
1882 # LC_HAVE_DOWN_WRITE_KILLABLE
1884 # Kernel version v4.6-rc3-28-g916633a40370
1886 AC_DEFUN([LC_SRC_HAVE_DOWN_WRITE_KILLABLE], [
1887 LB2_LINUX_TEST_SRC([down_write_killable], [
1888 #include <linux/rwsem.h>
1890 struct rw_semaphore sem;
1894 rc = down_write_killable(&sem);
1898 AC_DEFUN([LC_HAVE_DOWN_WRITE_KILLABLE], [
1899 AC_MSG_CHECKING([if down_write_killable exists])
1900 LB2_LINUX_TEST_RESULT([down_write_killable], [
1901 AC_DEFINE(HAVE_DOWN_WRITE_KILLABLE, 1,
1902 [down_write_killable function exists])
1904 ]) # LC_HAVE_DOWN_WRITE_KILLABLE
1909 # Kernel version 4.7-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
1910 # add new d_init to initialize dentry at allocation time
1912 AC_DEFUN([LC_SRC_D_INIT], [
1913 LB2_LINUX_TEST_SRC([d_init], [
1914 #include <linux/dcache.h>
1916 struct dentry_operations ops = { };
1919 rc = ops.d_init(NULL);
1922 AC_DEFUN([LC_D_INIT], [
1923 AC_MSG_CHECKING([if dentry operations supports 'd_init'])
1924 LB2_LINUX_TEST_RESULT([d_init], [
1925 AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
1932 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1933 # direct-io: eliminate the offset argument to ->direct_IO
1935 AC_DEFUN([LC_SRC_DIRECTIO_2ARGS], [
1936 LB2_LINUX_TEST_SRC([direct_io_2args], [
1937 #include <linux/fs.h>
1939 struct address_space_operations ops = { };
1940 struct iov_iter *iter = NULL;
1941 struct kiocb *iocb = NULL;
1944 rc = ops.direct_IO(iocb, iter);
1947 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1948 AC_MSG_CHECKING([if '->direct_IO()' takes 2 arguments])
1949 LB2_LINUX_TEST_RESULT([direct_io_2args], [
1950 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1, [direct_IO has 2 arguments])
1952 ]) # LC_DIRECTIO_2ARGS
1955 # LC_GENERIC_WRITE_SYNC_2ARGS
1957 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1958 # fs: add IOCB_SYNC and IOCB_DSYNC
1960 AC_DEFUN([LC_SRC_GENERIC_WRITE_SYNC_2ARGS], [
1961 LB2_LINUX_TEST_SRC([generic_write_sync_2args], [
1962 #include <linux/fs.h>
1964 struct kiocb *iocb = NULL;
1967 rc = generic_write_sync(iocb, 0);
1970 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1971 AC_MSG_CHECKING([if 'generic_write_sync()' takes 2 arguments])
1972 LB2_LINUX_TEST_RESULT([generic_write_sync_2args], [
1973 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1974 [generic_write_sync has 2 arguments])
1976 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1979 # LC_FOP_ITERATE_SHARED
1981 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1983 AC_DEFUN([LC_SRC_FOP_ITERATE_SHARED], [
1984 LB2_LINUX_TEST_SRC([fop_iterate_shared], [
1985 #include <linux/fs.h>
1987 struct file_operations fop;
1988 fop.iterate_shared = NULL;
1991 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1992 AC_MSG_CHECKING([if 'file_operations' has 'iterate_shared'])
1993 LB2_LINUX_TEST_RESULT([fop_iterate_shared], [
1994 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1995 [file_operations has iterate_shared])
1997 ]) # LC_FOP_ITERATE_SHARED
2000 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
2002 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
2003 # generic_file_splice_read() to using ->read_iter. We can test this
2004 # change since default_file_splice_read() is no longer exported.
2006 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
2007 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
2008 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
2009 [default_file_splice_read is exported])])
2010 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
2013 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2015 # 4.8 posix_acl_valid takes struct user_namespace
2017 AC_DEFUN([LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS], [
2018 LB2_LINUX_TEST_SRC([posix_acl_valid], [
2019 #include <linux/fs.h>
2020 #include <linux/posix_acl.h>
2022 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2025 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2026 AC_MSG_CHECKING([if 'posix_acl_valid' takes 'struct user_namespace'])
2027 LB2_LINUX_TEST_RESULT([posix_acl_valid], [
2028 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2029 [posix_acl_valid takes struct user_namespace])
2031 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2034 # LC_D_COMPARE_4ARGS
2036 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2037 # get rid of 'parent' argument of ->d_compare()
2039 AC_DEFUN([LC_SRC_D_COMPARE_4ARGS], [
2040 LB2_LINUX_TEST_SRC([d_compare_4args], [
2041 #include <linux/dcache.h>
2043 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2046 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2047 AC_MSG_CHECKING([if 'd_compare' taken 4 arguments])
2048 LB2_LINUX_TEST_RESULT([d_compare_4args], [
2049 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2050 [d_compare need 4 arguments])
2052 ]) # LC_D_COMPARE_4ARGS
2055 # LC_FULL_NAME_HASH_3ARGS
2057 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2058 # vfs: make the string hashes salt the hash
2060 AC_DEFUN([LC_SRC_FULL_NAME_HASH_3ARGS], [
2061 LB2_LINUX_TEST_SRC([full_name_hash_3args], [
2062 #include <linux/stringhash.h>
2065 hash = full_name_hash(NULL,NULL,0);
2068 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2069 AC_MSG_CHECKING([if 'full_name_hash' taken 3 arguments])
2070 LB2_LINUX_TEST_RESULT([full_name_hash_3args], [
2071 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2072 [full_name_hash need 3 arguments])
2074 ]) # LC_FULL_NAME_HASH_3ARGS
2077 # LC_STRUCT_POSIX_ACL_XATTR
2079 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2080 # posix_acl: xattr representation cleanups
2082 AC_DEFUN([LC_SRC_STRUCT_POSIX_ACL_XATTR], [
2083 LB2_LINUX_TEST_SRC([struct_posix_acl_xattr], [
2084 #include <linux/fs.h>
2085 #include <linux/posix_acl_xattr.h>
2087 struct posix_acl_xattr_header *h = NULL;
2088 struct posix_acl_xattr_entry *e;
2089 e = (void *)(h + 1);
2092 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2093 AC_MSG_CHECKING([if 'struct posix_acl_xattr_{header,entry}' defined])
2094 LB2_LINUX_TEST_RESULT([struct_posix_acl_xattr], [
2095 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2096 [struct posix_acl_xattr_{header,entry} defined])
2098 ]) # LC_STRUCT_POSIX_ACL_XATTR
2103 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2104 # removed {get,set,remove}xattr inode operations
2106 AC_DEFUN([LC_SRC_IOP_XATTR], [
2107 LB2_LINUX_TEST_SRC([inode_ops_xattr], [
2108 #include <linux/fs.h>
2110 struct inode_operations iop;
2111 iop.setxattr = NULL;
2112 iop.getxattr = NULL;
2113 iop.removexattr = NULL;
2116 AC_DEFUN([LC_IOP_XATTR], [
2117 AC_MSG_CHECKING([if 'inode_operations' has {get,set,remove}xattr members])
2118 LB2_LINUX_TEST_RESULT([inode_ops_xattr], [
2119 AC_DEFINE(HAVE_IOP_XATTR, 1,
2120 [inode_operations has {get,set,remove}xattr members])
2127 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2128 # cred: simpler, 1D supplementary groups
2130 AC_DEFUN([LC_SRC_GROUP_INFO_GID], [
2131 LB2_LINUX_TEST_SRC([group_info_gid], [
2132 #include <linux/cred.h>
2135 p = ((struct group_info *)0)->gid;
2138 AC_DEFUN([LC_GROUP_INFO_GID], [
2139 AC_MSG_CHECKING([if 'struct group_info' has member 'gid'])
2140 LB2_LINUX_TEST_RESULT([group_info_gid], [
2141 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2142 [struct group_info has member gid])
2144 ]) # LC_GROUP_INFO_GID
2149 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2150 # added __vfs_{get,set,remove}xattr helpers
2152 AC_DEFUN([LC_SRC_VFS_SETXATTR], [
2153 LB2_LINUX_TEST_SRC([vfs_setxattr], [
2154 #include <linux/xattr.h>
2156 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2159 AC_DEFUN([LC_VFS_SETXATTR], [
2160 AC_MSG_CHECKING([if '__vfs_setxattr' helper is available])
2161 LB2_LINUX_TEST_RESULT([vfs_setxattr], [
2162 AC_DEFINE(HAVE_VFS_SETXATTR, 1, ['__vfs_setxattr' is available])
2164 ]) # LC_VFS_SETXATTR
2167 # LC_POSIX_ACL_UPDATE_MODE
2169 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2170 # posix_acl: Clear SGID bit when setting file permissions
2172 AC_DEFUN([LC_SRC_POSIX_ACL_UPDATE_MODE], [
2173 LB2_LINUX_TEST_SRC([posix_acl_update_mode], [
2174 #include <linux/fs.h>
2175 #include <linux/posix_acl.h>
2177 posix_acl_update_mode(NULL, NULL, NULL);
2180 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2181 AC_MSG_CHECKING([if 'posix_acl_update_mode' exists])
2182 LB2_LINUX_TEST_RESULT([posix_acl_update_mode], [
2183 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2184 ['posix_acl_update_mode' is available])
2186 ]) # LC_POSIX_ACL_UPDATE_MODE
2189 # LC_HAVE_BDI_IO_PAGES
2191 # Kernel version 4.9 commit 9491ae4aade6814afcfa67f4eb3e3342c2b39750
2192 # mm: don't cap request size based on read-ahead setting
2193 # This patch introduces a bdi hint, io_pages.
2195 AC_DEFUN([LC_SRC_HAVE_BDI_IO_PAGES], [
2196 LB2_LINUX_TEST_SRC([bdi_has_io_pages], [
2197 #include <linux/backing-dev.h>
2199 struct backing_dev_info info;
2204 AC_DEFUN([LC_HAVE_BDI_IO_PAGES], [
2205 AC_MSG_CHECKING([if 'struct backing_dev_info' has 'io_pages' field])
2206 LB2_LINUX_TEST_RESULT([bdi_has_io_pages], [
2207 AC_DEFINE(HAVE_BDI_IO_PAGES, 1,
2208 [backing_dev_info has io_pages])
2210 ]) # LC_HAVE_BDI_IO_PAGES
2213 # LC_IOP_GENERIC_READLINK
2215 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2216 # removed generic_readlink from individual file systems
2218 AC_DEFUN([LC_SRC_IOP_GENERIC_READLINK], [
2219 LB2_LINUX_TEST_SRC([inode_ops_readlink], [
2220 #include <linux/fs.h>
2222 struct inode_operations iop;
2223 iop.readlink = generic_readlink;
2226 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2227 AC_MSG_CHECKING([if 'generic_readlink' still exist])
2228 LB2_LINUX_TEST_RESULT([inode_ops_readlink], [
2229 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2230 [generic_readlink has been removed])
2232 ]) # LC_IOP_GENERIC_READLINK
2235 # LC_HAVE_VM_FAULT_ADDRESS
2237 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2238 # removed virtual_address field. Need to use address field instead
2240 AC_DEFUN([LC_SRC_HAVE_VM_FAULT_ADDRESS], [
2241 LB2_LINUX_TEST_SRC([vm_fault_address], [
2242 #include <linux/mm.h>
2244 struct vm_fault vmf = { 0 };
2245 unsigned long addr = (unsigned long)vmf.address;
2249 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2250 AC_MSG_CHECKING([if 'struct vm_fault' replaced virtual_address with address field])
2251 LB2_LINUX_TEST_RESULT([vm_fault_address], [
2252 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2253 [virtual_address has been replaced by address field])
2255 ]) # LC_HAVE_VM_FAULT_ADDRESS
2258 # LC_INODEOPS_ENHANCED_GETATTR
2260 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2261 # expanded getattr to be able to get more stat information.
2263 AC_DEFUN([LC_SRC_INODEOPS_ENHANCED_GETATTR], [
2264 LB2_LINUX_TEST_SRC([getattr_path], [
2265 #include <linux/fs.h>
2269 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2272 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2273 AC_MSG_CHECKING([if 'inode_operations' getattr member can gather advance stats])
2274 LB2_LINUX_TEST_RESULT([getattr_path], [
2275 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2276 [inode_operations .getattr member function can gather advance stats])
2278 ]) # LC_INODEOPS_ENHANCED_GETATTR
2281 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2283 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2284 # removed struct vm_area_struct as an argument for vm_operations since
2285 # in the same kernel version struct vma_area_struct was folded into
2288 AC_DEFUN([LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2289 LB2_LINUX_TEST_SRC([vm_operations_no_vm_area_struct], [
2290 #include <linux/mm.h>
2292 struct vm_fault vmf;
2294 ((struct vm_operations_struct *)0)->fault(&vmf);
2295 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2298 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2299 AC_MSG_CHECKING([if 'struct vm_operations' removed struct vm_area_struct])
2300 LB2_LINUX_TEST_RESULT([vm_operations_no_vm_area_struct], [
2301 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2302 ['struct vm_operations' remove struct vm_area_struct argument])
2304 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2307 # LC_HAVE_KEY_USAGE_REFCOUNT
2309 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2310 # converted key.usage from atomic_t to refcount_t.
2312 AC_DEFUN([LC_SRC_HAVE_KEY_USAGE_REFCOUNT], [
2313 LB2_LINUX_TEST_SRC([key_usage_refcount], [
2314 #include <linux/key.h>
2316 struct key key = { };
2318 refcount_read(&key.usage);
2321 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2322 AC_MSG_CHECKING([if 'key.usage' is refcount_t])
2323 LB2_LINUX_TEST_RESULT([key_usage_refcount], [
2324 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1,
2325 [key.usage is of type refcount_t])
2327 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2330 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2332 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2333 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2335 AC_DEFUN([LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2336 LB2_LINUX_TEST_SRC([crypto_max_alg_name], [
2337 #include <linux/crypto.h>
2339 #if CRYPTO_MAX_ALG_NAME != 128
2344 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2345 AC_MSG_CHECKING([if 'CRYPTO_MAX_ALG_NAME' is 128])
2346 LB2_LINUX_TEST_RESULT([crypto_max_alg_name], [
2347 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2348 ['CRYPTO_MAX_ALG_NAME' is 128])
2350 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2353 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2354 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2357 AC_DEFUN([LC_SRC_CURRENT_TIME], [
2358 LB2_LINUX_TEST_SRC([current_time], [
2359 #include <linux/fs.h>
2363 attr.ia_atime = current_time(NULL);
2366 AC_DEFUN([LC_CURRENT_TIME], [
2367 AC_MSG_CHECKING([if CURRENT_TIME has been replaced with current_time])
2368 LB2_LINUX_TEST_RESULT([current_time], [
2369 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2370 [current_time() has replaced CURRENT_TIME])
2372 ]) # LC_CURRENT_TIME
2375 # LC_HAVE_GET_INODE_USAGE
2377 # Kernel version v4.12-rc2-43-g7a9ca53aea10
2379 AC_DEFUN([LC_SRC_HAVE_GET_INODE_USAGE], [
2380 LB2_LINUX_TEST_SRC([get_inode_usage], [
2382 #include <linux/quota.h>
2384 struct dquot_operations ops = { };
2386 ops.get_inode_usage(NULL, NULL);
2389 AC_DEFUN([LC_HAVE_GET_INODE_USAGE], [
2390 AC_MSG_CHECKING([if get_inode_usage exists])
2391 LB2_LINUX_TEST_RESULT([get_inode_usage], [
2392 AC_DEFINE(HAVE_GET_INODE_USAGE, 1,
2393 [get_inode_usage function exists])
2395 ]) # LC_HAVE_GET_INODE_USAGE
2398 # LC_SUPER_SETUP_BDI_NAME
2400 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2401 # unified bdi handling
2403 AC_DEFUN([LC_SRC_SUPER_SETUP_BDI_NAME], [
2404 LB2_LINUX_TEST_SRC([super_setup_bdi_name], [
2405 #include <linux/fs.h>
2407 super_setup_bdi_name(NULL, "lustre");
2410 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2411 AC_MSG_CHECKING([if 'super_setup_bdi_name' exist])
2412 LB2_LINUX_TEST_RESULT([super_setup_bdi_name], [
2413 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2414 ['super_setup_bdi_name' is available])
2416 ]) # LC_SUPER_SETUP_BDI_NAME
2421 # 4.12 replace bi_error to bi_status
2423 AC_DEFUN([LC_SRC_BI_STATUS], [
2424 LB2_LINUX_TEST_SRC([bi_status], [
2425 #include <linux/blk_types.h>
2427 ((struct bio *)0)->bi_status = 0;
2430 AC_DEFUN([LC_BI_STATUS], [
2431 AC_MSG_CHECKING([if 'bi_status' exist])
2432 LB2_LINUX_TEST_RESULT([bi_status], [
2433 AC_DEFINE(HAVE_BI_STATUS, 1, ['bi_status' is available])
2438 # LC_BIO_INTEGRITY_ENABLED
2440 # 4.13 removed bio_integrity_enabled
2442 AC_DEFUN([LC_SRC_BIO_INTEGRITY_ENABLED], [
2443 LB2_LINUX_TEST_SRC([bio_integrity_enabled], [
2444 #include <linux/bio.h>
2446 bio_integrity_enabled(NULL);
2449 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2450 AC_MSG_CHECKING([if 'bio_integrity_enabled' exist])
2451 LB2_LINUX_TEST_RESULT([bio_integrity_enabled], [
2452 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2453 ['bio_integrity_enabled' is available])
2455 ]) # LC_BIO_INTEGRITY_ENABLED
2458 # LC_PAGEVEC_INIT_ONE_PARAM
2460 # 4.14 pagevec_init takes one parameter
2462 AC_DEFUN([LC_SRC_PAGEVEC_INIT_ONE_PARAM], [
2463 LB2_LINUX_TEST_SRC([pagevec_init], [
2464 #include <linux/pagevec.h>
2469 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2470 AC_MSG_CHECKING([if 'pagevec_init' takes one parameter])
2471 LB2_LINUX_TEST_RESULT([pagevec_init], [
2472 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2473 ['pagevec_init' takes one parameter])
2475 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2480 # 4.14 replaced bi_bdev to bi_disk
2482 AC_DEFUN([LC_SRC_BI_BDEV], [
2483 LB2_LINUX_TEST_SRC([bi_bdev], [
2484 #include <linux/bio.h>
2486 ((struct bio *)0)->bi_bdev = NULL;
2489 AC_DEFUN([LC_BI_BDEV], [
2490 AC_MSG_CHECKING([if 'bi_bdev' exist])
2491 LB2_LINUX_TEST_RESULT([bi_bdev], [
2492 AC_DEFINE(HAVE_BI_BDEV, 1, ['bi_bdev' is available])
2497 # LC_INTERVAL_TREE_CACHED
2499 # 4.14 f808c13fd3738948e10196496959871130612b61
2500 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2502 AC_DEFUN([LC_SRC_INTERVAL_TREE_CACHED], [
2503 LB2_LINUX_TEST_SRC([itree_cached], [
2504 #include <linux/interval_tree_generic.h>
2505 struct foo { struct rb_node rb; int last; int a,b;};
2506 #define START(n) ((n)->a)
2507 #define LAST(n) ((n)->b)
2508 struct rb_root_cached tree;
2509 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2510 START, LAST, , foo);
2512 foo_insert(NULL, &tree);
2515 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2516 AC_MSG_CHECKING([if interval_trees use rb_tree_cached])
2517 LB2_LINUX_TEST_RESULT([itree_cached], [
2518 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2519 [interval trees use rb_tree_cached])
2521 ]) # LC_INTERVAL_TREE_CACHED
2526 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2528 AC_DEFUN([LC_IS_ENCRYPTED], [
2529 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2531 #include <linux/fs.h>
2533 (void)IS_ENCRYPTED((struct inode *)1);
2535 has_is_encrypted="yes"
2537 ]) # LC_IS_ENCRYPTED used by LC_CONFIG_CRYPTO
2542 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2544 AC_DEFUN([LC_SRC_I_PAGES], [
2545 LB2_LINUX_TEST_SRC([i_pages], [
2546 #include <linux/fs.h>
2548 struct address_space mapping = {};
2551 i_pages = &mapping.i_pages;
2554 AC_DEFUN([LC_I_PAGES], [
2555 AC_MSG_CHECKING([if struct address_space has i_pages])
2556 LB2_LINUX_TEST_RESULT([i_pages], [
2557 AC_DEFINE(HAVE_I_PAGES, 1, [struct address_space has i_pages])
2564 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2565 # mm: create the new vm_fault_t type
2567 AC_DEFUN([LC_SRC_VM_FAULT_T], [
2568 LB2_LINUX_TEST_SRC([vm_fault_t], [
2569 #include <linux/mm_types.h>
2571 vm_fault_t x = VM_FAULT_SIGBUS;
2575 AC_DEFUN([LC_VM_FAULT_T], [
2576 AC_MSG_CHECKING([if vm_fault_t type exists])
2577 LB2_LINUX_TEST_RESULT([vm_fault_t], [
2578 AC_DEFINE(HAVE_VM_FAULT_T, 1, [if vm_fault_t type exists])
2585 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2586 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2588 AC_DEFUN([LC_SRC_VM_FAULT_RETRY], [
2589 LB2_LINUX_TEST_SRC([VM_FAULT_RETRY], [
2590 #include <linux/mm.h>
2592 #ifndef VM_FAULT_RETRY
2598 AC_DEFUN([LC_VM_FAULT_RETRY], [
2599 AC_MSG_CHECKING([if VM_FAULT_RETRY is defined])
2600 LB2_LINUX_TEST_RESULT([VM_FAULT_RETRY], [
2601 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2602 [if VM_FAULT_RETRY is defined])
2604 ]) # LC_VM_FAULT_RETRY
2607 # LC_ALLOC_FILE_PSEUDO
2609 # kernel 4.18-rc1 commit d93aa9d82aea80b80f225dbf9c7986df444d8106
2610 # new wrapper: alloc_file_pseudo()
2612 AC_DEFUN([LC_SRC_ALLOC_FILE_PSEUDO], [
2613 LB2_LINUX_TEST_SRC([alloc_file_pseudo], [
2614 #include <linux/file.h>
2617 file = alloc_file_pseudo(NULL, NULL, "[test]",
2621 AC_DEFUN([LC_ALLOC_FILE_PSEUDO], [
2622 AC_MSG_CHECKING([if 'alloc_file_pseudo' is defined])
2623 LB2_LINUX_TEST_RESULT([alloc_file_pseudo], [
2624 AC_DEFINE(HAVE_ALLOC_FILE_PSEUDO, 1,
2625 ['alloc_file_pseudo' exist])
2627 ]) # LC_ALLOC_FILE_PSEUDO
2630 # LC_INODE_TIMESPEC64
2632 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2633 # fs: add timespec64_truncate()
2634 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2635 # inode timestamps switched to timespec64
2636 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2637 # y2038: remove unused time interfaces
2641 # When inode times are timespec64 stop using the deprecated
2644 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2645 # fs: Delete timespec64_trunc()
2647 AC_DEFUN([LC_SRC_INODE_TIMESPEC64], [
2648 LB2_LINUX_TEST_SRC([inode_timespec64], [
2649 #include <linux/fs.h>
2651 struct inode *inode = NULL;
2652 struct timespec64 ts = {0, 1};
2654 inode->i_atime = ts;
2658 AC_DEFUN([LC_INODE_TIMESPEC64], [
2659 AC_MSG_CHECKING([if inode timestamps are struct timespec64])
2660 LB2_LINUX_TEST_RESULT([inode_timespec64], [
2661 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2662 [inode times are using timespec64])
2664 ]) # LC_INODE_TIMESPEC64
2667 # LC_RADIX_TREE_TAG_SET
2669 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2670 # xarray: Add XArray marks - replaced radix_tree_tag_set
2672 AC_DEFUN([LC_SRC_RADIX_TREE_TAG_SET], [
2673 LB2_LINUX_TEST_SRC([radix_tree_tag_set], [
2674 #include <linux/fs.h>
2675 #include <linux/radix-tree.h>
2677 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2680 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2681 AC_MSG_CHECKING([if 'radix_tree_tag_set' exists])
2682 LB2_LINUX_TEST_RESULT([radix_tree_tag_set], [
2683 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2684 [radix_tree_tag_set exists])
2686 ]) # LC_RADIX_TREE_TAG_SET
2689 # LC_UAPI_LINUX_MOUNT_H
2691 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2692 # vfs: Suppress MS_* flag defs within the kernel ...
2694 AC_DEFUN([LC_SRC_UAPI_LINUX_MOUNT_H], [
2695 LB2_LINUX_TEST_SRC([uapi_linux_mount], [
2696 #include <uapi/linux/mount.h>
2702 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2703 AC_MSG_CHECKING([if MS_RDONLY was moved to uapi/linux/mount.h])
2704 LB2_LINUX_TEST_RESULT([uapi_linux_mount], [
2705 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2706 [if MS_RDONLY was moved to uapi/linux/mount.h])
2708 ]) # LC_UAPI_LINUX_MOUNT_H
2711 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2713 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2714 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2716 # Now that the reader functions are all RCU protected, use a regular
2717 # spinlock rather than a reader/writer lock.
2719 AC_DEFUN([LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2720 LB2_LINUX_TEST_SRC([hash_lock_isa_spinlock_t], [
2721 #include <linux/sunrpc/cache.h>
2723 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2727 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2728 AC_MSG_CHECKING([if cache_detail->hash_lock is a spinlock])
2729 LB2_LINUX_TEST_RESULT([hash_lock_isa_spinlock_t], [
2730 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2731 [if cache_detail->hash_lock is a spinlock])
2733 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2736 # LC_GENL_FAMILY_HAS_RESV_START_OP
2738 # Linux v5.0-11693-g3b0f31f2b8c9
2739 # genetlink: make policy common to family
2741 AC_DEFUN([LC_SRC_GENL_FAMILY_HAS_RESV_START_OP], [
2742 LB2_LINUX_TEST_SRC([genl_family_has_resv_start_op], [
2743 #include <net/genetlink.h>
2745 static const struct genl_family family = {
2746 .resv_start_op = 42,
2751 AC_DEFUN([LC_GENL_FAMILY_HAS_RESV_START_OP], [
2752 AC_MSG_CHECKING([if struct genl_family has resv_start_op member])
2753 LB2_LINUX_TEST_RESULT([genl_family_has_resv_start_op], [
2754 AC_DEFINE(GENL_FAMILY_HAS_RESV_START_OP, 1,
2755 [struct genl_family has resv_start_op member])
2757 ]) # LC_GENL_FAMILY_HAS_RESV_START_OP
2760 # LC_HAVE_BVEC_ITER_ALL
2762 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2763 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2765 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER_ALL], [
2766 LB2_LINUX_TEST_SRC([struct_bvec_iter_all], [
2767 #include <linux/bvec.h>
2769 struct bvec_iter_all iter;
2773 AC_DEFUN([LC_HAVE_BVEC_ITER_ALL], [
2774 AC_MSG_CHECKING([if bvec_iter_all exists for multi-page bvec iternation])
2775 LB2_LINUX_TEST_RESULT([struct_bvec_iter_all], [
2776 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2777 [if bvec_iter_all exists for multi-page bvec iternation])
2779 ]) # LC_HAVE_BVEC_ITER_ALL
2782 # LC_ACCOUNT_PAGE_DIRTIED
2784 # After 5.2 kernel page dirtied is not exported
2786 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2787 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2788 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2789 [account_page_dirtied is exported])])
2790 ]) # LC_ACCOUNT_PAGE_DIRTIED
2793 # LC_KEYRING_SEARCH_4ARGS
2795 # Kernel 5.2 commit dcf49dbc8077
2796 # keys: Add a 'recurse' flag for keyring searches
2798 AC_DEFUN([LC_SRC_KEYRING_SEARCH_4ARGS], [
2799 LB2_LINUX_TEST_SRC([keyring_search_4args], [
2800 #include <linux/key.h>
2803 keyring_search(keyring, NULL, NULL, false);
2806 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2807 AC_MSG_CHECKING([if 'keyring_search' has 4 args])
2808 LB2_LINUX_TEST_RESULT([keyring_search_4args], [
2809 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2810 [keyring_search has 4 args])
2812 ]) # LC_KEYRING_SEARCH_4ARGS
2815 # LC_BIO_BI_PHYS_SEGMENTS
2817 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2818 # block: remove the bi_phys_segments field in struct bio
2820 AC_DEFUN([LC_SRC_BIO_BI_PHYS_SEGMENTS], [
2821 LB2_LINUX_TEST_SRC([bye_bio_bi_phys_segments], [
2822 #include <linux/bio.h>
2824 struct bio *bio = NULL;
2825 bio->bi_phys_segments++;
2828 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2829 AC_MSG_CHECKING([if struct bio has bi_phys_segments member])
2830 LB2_LINUX_TEST_RESULT([bye_bio_bi_phys_segments], [
2831 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2832 [struct bio has bi_phys_segments member])
2834 ]) # LC_BIO_BI_PHYS_SEGMENTS
2837 # LC_LM_COMPARE_OWNER_EXISTS
2839 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2840 # locks: Cleanup lm_compare_owner and lm_owner_key
2841 # removed lm_compare_owner
2843 AC_DEFUN([LC_SRC_LM_COMPARE_OWNER_EXISTS], [
2844 LB2_LINUX_TEST_SRC([lock_manager_ops_lm_compare_owner], [
2845 #include <linux/fs.h>
2847 struct lock_manager_operations lm_ops;
2848 lm_ops.lm_compare_owner = NULL;
2851 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2852 AC_MSG_CHECKING([if lock_manager_operations has lm_compare_owner])
2853 LB2_LINUX_TEST_RESULT([lock_manager_ops_lm_compare_owner], [
2854 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2855 [lock_manager_operations has lm_compare_owner])
2857 ]) # LC_LM_COMPARE_OWNER_EXISTS
2860 # LC_FSCRYPT_SUPPORT
2862 # 5.4 introduced fscrypt encryption policies v2
2864 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2865 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2867 #define __FS_HAS_ENCRYPTION 0
2868 #include <linux/fscrypt.h>
2870 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2872 has_fscrypt_support="yes"
2874 ]) # LC_FSCRYPT_SUPPORT used by LC_CONFIG_CRYPTO
2877 # LC_FSCRYPT_DIGESTED_NAME
2879 # Kernel 5.5-rc4 edc440e3d27fb31e6f9663cf413fad97d714c060
2880 # improved the format of no-key names. This results in the
2881 # removal of FSCRYPT_FNAME_DIGEST and FSCRYPT_FNAME_DIGEST_SIZE.
2883 AC_DEFUN([LC_SRC_FSCRYPT_DIGESTED_NAME], [
2884 LB2_LINUX_TEST_SRC([fscrypt_digested_name], [
2885 #include <linux/fscrypt.h>
2887 struct fscrypt_digested_name fname;
2892 AC_DEFUN([LC_FSCRYPT_DIGESTED_NAME], [
2893 AC_MSG_CHECKING([if fscrypt has 'struct fscrypt_digested_name'])
2894 LB2_LINUX_TEST_RESULT([fscrypt_digested_name], [
2895 AC_DEFINE(HAVE_FSCRYPT_DIGESTED_NAME, 1,
2896 ['struct fscrypt_digested_name' exists])
2898 ]) # LC_FSCRYPT_DIGESTED_NAME
2901 # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2903 # Kernel 5.7-rc7 ed318a6cc0b620440e65f48eb527dc3df7269ce4
2904 # replaces fscrypt_dummy_context_enabled() with
2905 # fscrypt_get_dummy_context(). Later kernels rename
2906 # fscrypt_get_dummy_context() to fscrypt_get_dummy_policy()
2907 # which is why we test fscrypt_dummy_context_enabled().
2909 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2910 LB2_LINUX_TEST_SRC([fscrypt_dummy_context_enabled], [
2911 #include <linux/fscrypt.h>
2913 fscrypt_dummy_context_enabled(NULL);
2916 AC_DEFUN([LC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2917 AC_MSG_CHECKING([if fscrypt_dummy_context_enabled() exists])
2918 LB2_LINUX_TEST_RESULT([fscrypt_dummy_context_enabled], [
2919 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1,
2920 [fscrypt_dummy_context_enabled() exists])
2922 ]) # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2925 # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2927 # Kernel 5.9-rc4 8b10fe68985278de4926daa56ad6af701839e40a
2928 # removed the inode parameter for the fscrypt function
2929 # fscrypt_fname_alloc_buffer()
2931 AC_DEFUN([LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2932 LB2_LINUX_TEST_SRC([fscrypt_fname_alloc_buffer], [
2933 #include <linux/fscrypt.h>
2935 fscrypt_fname_alloc_buffer(0, NULL);
2938 AC_DEFUN([LC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2939 AC_MSG_CHECKING([if fscrypt_fname_alloc_buffer() removed inode parameter])
2940 LB2_LINUX_TEST_RESULT([fscrypt_fname_alloc_buffer], [
2941 AC_DEFINE(HAVE_FSCRYPT_FNAME_ALLOC_BUFFER_NO_INODE, 1,
2942 [fscrypt_fname_alloc_buffer() does not have inode parameter])
2944 ]) # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2947 # LC_FSCRYPT_SET_CONTEXT
2949 # Kernel 5.9-rc4 a992b20cd4ee360dbbe6f69339cb07146e4304d6
2950 # fscrypt_get_encryption_info() is not GFP_NOFS safe which
2951 # is used by fscrypt_inherit_context. Replace fscrypt_inherit_context,
2952 # with two new functions, fscrypt_prepare_new_inode() and
2953 # fscrypt_set_context()
2955 AC_DEFUN([LC_SRC_FSCRYPT_SET_CONTEXT], [
2956 LB2_LINUX_TEST_SRC([fscrypt_set_context], [
2957 #include <linux/fscrypt.h>
2959 fscrypt_set_context(NULL, NULL);
2960 fscrypt_prepare_new_inode(NULL, NULL, NULL);
2963 AC_DEFUN([LC_FSCRYPT_SET_CONTEXT], [
2964 AC_MSG_CHECKING([if 'fscrypt_set_context()' exists])
2965 LB2_LINUX_TEST_RESULT([fscrypt_set_context], [
2966 AC_DEFINE(HAVE_FSCRYPT_SET_CONTEXT, 1,
2967 [fscrypt_set_context() does exist])
2969 ]) # LC_FSCRYPT_SET_CONTEXT
2972 # LC_FSCRYPT_D_REVALIDATE
2974 # kernel 5.9-rc4 5b2a828b98ec1872799b1b4d82113c76a12d594f
2975 # exported fscrypt_d_revalidate()
2977 AC_DEFUN([LC_FSCRYPT_D_REVALIDATE], [
2978 LB_CHECK_EXPORT([fscrypt_d_revalidate], [fs/crypto/fname.c],
2979 [AC_DEFINE(HAVE_FSCRYPT_D_REVALIDATE, 1,
2980 [fscrypt_d_revalidate() is exported by the kernel])])
2981 ]) # LC_FSCRYPT_D_REVALIDATE
2984 # LC_FSCRYPT_NOKEY_NAME
2986 # kernel 5.9-rc4 70fb2612aab62d47e03f82eaa7384a8d30ca175d
2987 # renamed is_ciphertext_name to is_nokey_name
2989 AC_DEFUN([LC_SRC_FSCRYPT_NOKEY_NAME], [
2990 LB2_LINUX_TEST_SRC([fname_is_nokey_name], [
2991 #include <linux/fscrypt.h>
2993 struct fscrypt_name fname;
2995 fname.is_nokey_name = true;
2998 AC_DEFUN([LC_FSCRYPT_NOKEY_NAME], [
2999 AC_MSG_CHECKING([if struct fscrypt_name has is_nokey_name field])
3000 LB2_LINUX_TEST_RESULT([fname_is_nokey_name], [
3001 AC_DEFINE(HAVE_FSCRYPT_NOKEY_NAME, 1,
3002 [struct fscrypt_name has is_nokey_name field])
3004 ]) # LC_FSCRYPT_NOKEY_NAME
3007 # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3008 # Kernel 5.9-rc4 c8c868abc91ff23f6f5c4444c419de7c277d77e1
3009 # changed fscrypt_set_test_dummy_encryption() take a 'const char *
3011 AC_DEFUN([LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3012 LB2_LINUX_TEST_SRC([fscrypt_set_test_dummy_encryption], [
3013 #include <linux/fscrypt.h>
3016 fscrypt_set_test_dummy_encryption(NULL, arg, NULL);
3019 AC_DEFUN([LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3020 AC_MSG_CHECKING([if fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3021 LB2_LINUX_TEST_RESULT([fscrypt_set_test_dummy_encryption], [
3022 AC_DEFINE(HAVE_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG, 1,
3023 [fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3025 ]) # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3028 # LC_FSCRYPT_DUMMY_POLICY
3030 # Kernel 5.9-rc4 ac4acb1f4b2b6b7e8d913537cccec8789903e164
3031 # move the test dummy context for fscrypt_policy which is
3032 # also used by the user land interface.
3034 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_POLICY], [
3035 LB2_LINUX_TEST_SRC([fscrypt_free_dummy_policy], [
3036 #include <linux/fscrypt.h>
3038 fscrypt_free_dummy_policy(NULL);
3041 AC_DEFUN([LC_FSCRYPT_DUMMY_POLICY], [
3042 AC_MSG_CHECKING([if fscrypt_free_dummy_policy() exists])
3043 LB2_LINUX_TEST_RESULT([fscrypt_free_dummy_policy], [
3044 AC_DEFINE(HAVE_FSCRYPT_DUMMY_POLICY, 1,
3045 [fscrypt_free_dummy_policy() exists])
3047 ]) # LC_FSCRYPT_DUMMY_POLICY
3050 # LC_HAVE_ITER_FILE_SPLICE_WRITE
3052 # Linux commit v5.9-rc1-6-g36e2c7421f02
3053 # fs: don't allow splice read/write without explicit ops
3055 AC_DEFUN([LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE], [
3056 LB2_LINUX_TEST_SRC([iter_file_splice_write], [
3057 #include <linux/fs.h>
3059 (void)iter_file_splice_write(NULL, NULL, NULL, 1, 0);
3062 AC_DEFUN([LC_HAVE_ITER_FILE_SPLICE_WRITE], [
3063 AC_MSG_CHECKING([if iter_file_splice_write() exists])
3064 LB2_LINUX_TEST_RESULT([iter_file_splice_write], [
3065 AC_DEFINE(HAVE_ITER_FILE_SPLICE_WRITE, 1,
3066 ['iter_file_splice_write' exists])
3068 ]) # LC_HAVE_ITER_FILE_SPLICE_WRITE
3071 # LC_FSCRYPT_IS_NOKEY_NAME
3073 # Kernel 5.10-rc4 159e1de201b6fca10bfec50405a3b53a561096a8
3074 # introduced fscrypt_is_nokey_name() inline macro. While
3075 # introduced for 5.10 kernels it was backported to earlier
3076 # Ubuntu kernels. Also it hides the change introduced due
3077 # to git commit 501e43fbe for kernel 5.9 which also was
3078 # backported to earlier Ubuntu kernels.
3080 AC_DEFUN([LC_SRC_FSCRYPT_IS_NOKEY_NAME], [
3081 LB2_LINUX_TEST_SRC([fscrypt_is_no_key_name], [
3082 #include <linux/fscrypt.h>
3084 fscrypt_is_nokey_name(NULL);
3087 AC_DEFUN([LC_FSCRYPT_IS_NOKEY_NAME], [
3088 AC_MSG_CHECKING([if fscrypt_is_no_key_name() exists])
3089 LB2_LINUX_TEST_RESULT([fscrypt_is_no_key_name], [
3090 AC_DEFINE(HAVE_FSCRYPT_IS_NOKEY_NAME, 1,
3091 [fscrypt_is_nokey_name() exists])
3093 ]) # LC_FSCRYPT_IS_NOKEY_NAME
3096 # LC_FSCRYPT_PREPARE_READDIR
3098 # Kernel 5.10-rc4 ec0caa974cd092549ab282deb8ec7ea73b36eba0
3099 # replaced fscrypt_get_encryption_info() with
3100 # fscrypt_prepare_readdir()
3102 AC_DEFUN([LC_SRC_FSCRYPT_PREPARE_READDIR], [
3103 LB2_LINUX_TEST_SRC([fscrypt_prepare_readdir], [
3104 #include <linux/fscrypt.h>
3106 fscrypt_prepare_readdir(NULL);
3109 AC_DEFUN([LC_FSCRYPT_PREPARE_READDIR], [
3110 AC_MSG_CHECKING([if fscrypt_prepare_readdir() exists])
3111 LB2_LINUX_TEST_RESULT([fscrypt_prepare_readdir], [
3112 AC_DEFINE(HAVE_FSCRYPT_PREPARE_READDIR, 1,
3113 [fscrypt_prepare_readdir() exists])
3115 ]) # LC_FSCRYPT_PREPARE_READDIR
3120 # Linux: v5.11-rc5-9-g309dca309fc3
3121 # block: store a block_device pointer in struct bio
3122 # created bio_set_dev macro
3123 # Linux: v5.15-rc6-127-gcf6d6238cdd3
3124 # block: turn macro helpers into inline functions
3125 # created inline function(s).
3127 # Only provide a bio_set_dev it is is not proveded by the kernel
3129 AC_DEFUN([LC_SRC_BIO_SET_DEV], [
3130 LB2_LINUX_TEST_SRC([bio_set_dev], [
3131 #include <linux/bio.h>
3133 struct bio *bio = NULL;
3134 struct block_device *bdev = NULL;
3136 bio_set_dev(bio, bdev);
3139 AC_DEFUN([LC_BIO_SET_DEV], [
3140 AC_MSG_CHECKING([if 'bio_set_dev' is available])
3141 LB2_LINUX_TEST_RESULT([bio_set_dev], [
3142 AC_DEFINE(HAVE_BIO_SET_DEV, 1, ['bio_set_dev' is available])
3147 # LC_HAVE_USER_NAMESPACE_ARG
3149 # kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb
3150 # fs: make helpers idmap mount aware
3151 # Extend some inode methods with an additional user namespace argument.
3153 AC_DEFUN([LC_SRC_HAVE_USER_NAMESPACE_ARG], [
3154 LB2_LINUX_TEST_SRC([inode_ops_has_user_namespace_argument], [
3155 #include <linux/fs.h>
3157 ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
3161 AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
3162 AC_MSG_CHECKING([if 'inode_operations' members have user namespace argument])
3163 LB2_LINUX_TEST_RESULT([inode_ops_has_user_namespace_argument], [
3164 AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
3165 ['inode_operations' members have user namespace argument])
3167 ]) # LC_HAVE_USER_NAMESPACE_ARG
3170 # LC_HAVE_GET_ACL_RCU_ARG
3172 # kernel 5.15 commit 0cad6246621b5887d5b33fea84219d2a71f2f99a
3173 # vfs: add rcu argument to ->get_acl() callback
3174 # Add a rcu argument to the ->get_acl() callback to allow
3175 # get_cached_acl_rcu() to call the ->get_acl() method.
3177 AC_DEFUN([LC_SRC_HAVE_GET_ACL_RCU_ARG], [
3178 LB2_LINUX_TEST_SRC([get_acl_rcu_argument], [
3179 #include <linux/fs.h>
3181 ((struct inode_operations *)1)->get_acl((struct inode *)NULL, 0, false);
3184 AC_DEFUN([LC_HAVE_GET_ACL_RCU_ARG], [
3185 AC_MSG_CHECKING([if 'get_acl' has a rcu argument])
3186 LB2_LINUX_TEST_RESULT([get_acl_rcu_argument], [
3187 AC_DEFINE(HAVE_GET_ACL_RCU_ARG, 1,
3188 ['get_acl' has a rcu argument])
3190 ]) # LC_HAVE_GET_ACL_RCU_ARG
3193 # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3195 # Linux v5.15-rc1-20-g15bf32398ad4
3196 # security: Return xattr name from security_dentry_init_security()
3198 AC_DEFUN([LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3199 LB2_LINUX_TEST_SRC([security_dentry_init_security_xattr_name_arg], [
3200 #include <linux/security.h>
3202 struct dentry *dentry = NULL;
3204 const struct qstr *name = NULL;
3205 const char *xattr_name = NULL;
3208 int rc = security_dentry_init_security(dentry, mode, name, &xattr_name,
3214 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3215 AC_MSG_CHECKING([if security_dentry_init_security() returns xattr name])
3216 LB2_LINUX_TEST_RESULT([security_dentry_init_security_xattr_name_arg], [
3217 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG, 1,
3218 [security_dentry_init_security() returns xattr name])
3220 ]) # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3223 # LC_HAVE_KIOCB_COMPLETE_2ARGS
3225 # kernel v5.15-rc6-145-g6b19b766e8f0
3226 # fs: get rid of the res2 iocb->ki_complete argument
3228 AC_DEFUN([LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS], [
3229 LB2_LINUX_TEST_SRC([kiocb_ki_complete_2args], [
3230 #include <linux/fs.h>
3232 static void complete_fn(struct kiocb *iocb, long ret)
3238 struct kiocb *kio = NULL;
3240 kio->ki_complete = complete_fn;
3243 AC_DEFUN([LC_HAVE_KIOCB_COMPLETE_2ARGS], [
3244 AC_MSG_CHECKING([if kiocb->ki_complete() has 2 arguments])
3245 LB2_LINUX_TEST_RESULT([kiocb_ki_complete_2args], [
3246 AC_DEFINE(HAVE_KIOCB_COMPLETE_2ARGS, 1,
3247 [kiocb->ki_complete() has 2 arguments])
3249 ]) # LC_HAVE_KIOCB_COMPLETE_2ARGS
3252 # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3254 # Linux commit v5.16-rc4-44-g452e9e6992fe
3255 # filemap: Add filemap_remove_folio and __filemap_remove_folio
3257 # Also removes the export of delete_from_page_cache
3259 AC_DEFUN([LC_EXPORTS_DELETE_FROM_PAGE_CACHE], [
3260 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
3261 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
3262 [delete_from_page_cache is exported])])
3263 ]) # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3266 # LC_HAVE_INVALIDATE_FOLIO
3268 # linux commit v5.17-rc4-10-g128d1f8241d6
3269 # fs: Add invalidate_folio() aops method
3271 AC_DEFUN([LC_SRC_HAVE_INVALIDATE_FOLIO], [
3272 LB2_LINUX_TEST_SRC([address_spaace_operaions_invalidate_folio], [
3273 #include <linux/fs.h>
3275 struct address_space_operations *aops = NULL;
3276 struct folio *folio = NULL;
3277 aops->invalidate_folio(folio, 0, PAGE_SIZE);
3281 AC_DEFUN([LC_HAVE_INVALIDATE_FOLIO], [
3282 AC_MSG_CHECKING([if have address_spaace_operaions->invalidate_folio() member])
3283 LB2_LINUX_TEST_RESULT([address_spaace_operaions_invalidate_folio], [
3284 AC_DEFINE(HAVE_INVALIDATE_FOLIO, 1,
3285 [address_spaace_operaions->invalidate_folio() member exists])
3287 ]) # LC_HAVE_INVALIDATE_FOLIO
3290 # LC_HAVE_DIRTY_FOLIO
3292 # linux commit v5.17-rc4-38-g6f31a5a261db
3293 # fs: Add aops->dirty_folio
3294 # ... replaces ->set_page_dirty() with ->dirty_folio()
3296 AC_DEFUN([LC_SRC_HAVE_DIRTY_FOLIO], [
3297 LB2_LINUX_TEST_SRC([address_spaace_operaions_dirty_folio], [
3298 #include <linux/fs.h>
3300 struct address_space_operations *aops = NULL;
3301 struct address_space *mapping = NULL;
3302 struct folio *folio = NULL;
3303 bool dirty = aops->dirty_folio(mapping, folio);
3307 AC_DEFUN([LC_HAVE_DIRTY_FOLIO], [
3308 AC_MSG_CHECKING([if have address_spaace_operaions->dirty_folio() member])
3309 LB2_LINUX_TEST_RESULT([address_spaace_operaions_dirty_folio], [
3310 AC_DEFINE(HAVE_DIRTY_FOLIO, 1,
3311 [address_spaace_operaions->dirty_folio() member exists])
3313 ]) # LC_HAVE_DIRTY_FOLIO
3316 # LC_HAVE_ALLOC_INODE_SB
3318 # linux commit v5.17-49-g8b9f3ac5b01d
3319 # fs: introduce alloc_inode_sb() to allocate filesystems specific inode
3321 AC_DEFUN([LC_SRC_HAVE_ALLOC_INODE_SB], [
3322 LB2_LINUX_TEST_SRC([alloc_inode_sb], [
3323 #include <linux/fs.h>
3325 struct super_block *sb = NULL;
3326 struct kmem_cache *cache = NULL;
3328 (void)alloc_inode_sb(sb, cache, GFP_NOFS);
3331 AC_DEFUN([LC_HAVE_ALLOC_INODE_SB], [
3332 AC_MSG_CHECKING([if alloc_inode_sb() exists])
3333 LB2_LINUX_TEST_RESULT([alloc_inode_sb], [
3334 AC_DEFINE(HAVE_ALLOC_INODE_SB, 1,
3335 [alloc_inode_sb() exists])
3337 ]) # LC_HAVE_ALLOC_INODE_SB
3340 # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3342 # Linux commit v5.18-rc5-221-gb7446e7cf15f
3343 # fs: Remove aop flags parameter from grab_cache_page_write_begin()
3345 AC_DEFUN([LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3346 LB2_LINUX_TEST_SRC([grab_cache_page_write_begin_with_flags], [
3347 #include <linux/pagemap.h>
3349 struct address_space *mapping = NULL;
3350 (void)grab_cache_page_write_begin(mapping, 0, 1);
3353 AC_DEFUN([LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3354 AC_MSG_CHECKING([if grab_cache_page_write_begin() has flags argument])
3355 LB2_LINUX_TEST_RESULT([grab_cache_page_write_begin_with_flags], [
3356 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS, 1,
3357 [grab_cache_page_write_begin() has flags argument])
3359 ]) # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3362 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3364 # Linux commit v5.18-rc5-241-g5efe7448a142
3365 # fs: Introduce aops->read_folio
3367 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3368 LB2_LINUX_TEST_SRC([address_space_operations_read_folio], [
3369 #include <linux/fs.h>
3371 struct address_space_operations *aops = NULL;
3372 struct file *file = NULL;
3373 struct folio *folio = NULL;
3374 int err = aops->read_folio(file, folio);
3378 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3379 AC_MSG_CHECKING([if struct address_space_operations() has read_folio()])
3380 LB2_LINUX_TEST_RESULT([address_space_operations_read_folio], [
3381 AC_DEFINE(HAVE_AOPS_READ_FOLIO, 1,
3382 [struct address_space_operations() has read_folio()])
3384 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3387 # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3389 # Linux commit v5.18-rc5-280-ge9b5b23e957e
3390 # fs: Change the type of filler_t
3392 AC_DEFUN([LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3393 LB2_LINUX_TEST_SRC([read_cache_page_filler_with_file], [
3394 #include <linux/pagemap.h>
3395 static inline int _filler(struct file *file, struct folio *f)
3400 struct address_space *mapping = NULL;
3401 struct file *file = NULL;
3402 struct page *page = read_cache_page(mapping, 0, _filler, file);
3406 AC_DEFUN([LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3407 AC_MSG_CHECKING([if read_cache_page() filler_t needs struct file])
3408 LB2_LINUX_TEST_RESULT([read_cache_page_filler_with_file], [
3409 AC_DEFINE(HAVE_READ_CACHE_PAGE_WANTS_FILE, 1,
3410 [read_cache_page() filler_t needs struct file])
3412 ]) # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3415 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3417 # Linux commit v5.18-rc5-282-gfa29000b6b26
3418 # fs: Add aops->release_folio
3420 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3421 LB2_LINUX_TEST_SRC([address_space_operations_release_folio], [
3422 #include <linux/fs.h>
3424 struct address_space_operations *aops = NULL;
3425 struct folio *folio = NULL;
3426 int err = aops->release_folio(folio, GFP_KERNEL);
3430 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3431 AC_MSG_CHECKING([if struct address_space_operations() has release_folio()])
3432 LB2_LINUX_TEST_RESULT([address_space_operations_release_folio], [
3433 AC_DEFINE(HAVE_AOPS_RELEASE_FOLIO, 1,
3434 [struct address_space_operations() has release_folio()])
3436 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3439 # LC_HAVE_LSMCONTEXT_INIT
3441 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3442 # kernel linux-hwe-5.19 commit fef1deb99dad87dd700afae76b35c5b5750e33a8
3443 # LSM: Removed scaffolding function lsmcontext_init
3445 AC_DEFUN([LC_SRC_HAVE_LSMCONTEXT_INIT], [
3446 LB2_LINUX_TEST_SRC([lsmcontext_init], [
3447 #include <linux/security.h>
3449 struct lsmcontext ctx = {};
3451 lsmcontext_init(&ctx, "", 0, 0);
3454 AC_DEFUN([LC_HAVE_LSMCONTEXT_INIT], [
3455 AC_MSG_CHECKING([if lsmcontext_init is available])
3456 LB2_LINUX_TEST_RESULT([lsmcontext_init], [
3457 AC_DEFINE(HAVE_LSMCONTEXT_INIT, 1,
3458 [lsmcontext_init is available])
3460 ]) # LC_HAVE_LSMCONTEXT_INIT
3463 # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3465 # repo: git://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/jammy
3466 # kernel linux-hwe-5.19 commit 57d0004bc811254916be30f94c86d9607867deb0
3467 # LSM: Use lsmcontext in security_dentry_init_security
3469 AC_DEFUN([LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3470 LB2_LINUX_TEST_SRC([security_dentry_init_security_with_ctx], [
3471 #include <linux/security.h>
3473 struct dentry *dentry = NULL;
3474 const struct qstr *name = NULL;
3475 struct lsmcontext *ctx = NULL;
3476 const char *xattr_name = "";
3478 (void)security_dentry_init_security(dentry, 0, name,
3482 AC_DEFUN([LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX], [
3483 AC_MSG_CHECKING([if security_dentry_init_security needs lsmcontext])
3484 LB2_LINUX_TEST_RESULT([security_dentry_init_security_with_ctx], [
3485 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX, 1,
3486 [security_dentry_init_security needs lsmcontext])
3488 ]) # LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3493 # Linux commit v5.19-rc2-6-g868941b14441
3494 # fs: remove no_llseek
3496 AC_DEFUN([LC_SRC_HAVE_NO_LLSEEK], [
3497 LB2_LINUX_TEST_SRC([no_llseek], [
3498 #include <linux/fs.h>
3500 static const struct file_operations fops = {
3501 .llseek = &no_llseek,
3506 AC_DEFUN([LC_HAVE_NO_LLSEEK], [
3507 AC_MSG_CHECKING([if no_llseek() is available])
3508 LB2_LINUX_TEST_RESULT([no_llseek], [
3509 AC_DEFINE(HAVE_NO_LLSEEK, 1, [no_llseek() is available])
3511 ]) # LC_HAVE_NO_LLSEEK
3514 # LC_DQUOT_TRANSFER_WITH_USER_NS
3516 # Linux commit v5.19-rc3-6-g71e7b535b890
3517 # quota: port quota helpers mount ids
3519 AC_DEFUN([LC_SRC_DQUOT_TRANSFER_WITH_USER_NS], [
3520 LB2_LINUX_TEST_SRC([dquot_transfer], [
3521 #include <linux/quotaops.h>
3523 struct user_namespace *userns = NULL;
3524 struct inode *inode = NULL;
3525 struct iattr *iattr = NULL;
3526 int err __attribute__ ((unused));
3528 err = dquot_transfer(userns, inode, iattr);
3531 AC_DEFUN([LC_DQUOT_TRANSFER_WITH_USER_NS], [
3532 AC_MSG_CHECKING([if dquot_transfer() has user_ns argument])
3533 LB2_LINUX_TEST_RESULT([dquot_transfer], [
3534 AC_DEFINE(HAVE_DQUOT_TRANSFER_WITH_USER_NS, 1,
3535 [dquot_transfer() has user_ns argument])
3537 ]) # LC_DQUOT_TRANSFER_WITH_USER_NS
3540 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3542 # Linux commit v5.19-rc3-392-g5490da4f06d1
3543 # fs: Add aops->migrate_folio
3545 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3546 LB2_LINUX_TEST_SRC([address_space_operations_migrate_folio], [
3547 #include <linux/fs.h>
3549 struct address_space_operations *aops = NULL;
3550 struct address_space *m = NULL;
3551 struct folio *src = NULL;
3552 struct folio *dst = NULL;
3553 int err = aops->migrate_folio(m, dst, src, MIGRATE_ASYNC);
3557 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3558 AC_MSG_CHECKING([if struct address_space_operations() has migrate_folio()])
3559 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3560 AC_DEFINE(HAVE_AOPS_MIGRATE_FOLIO, 1,
3561 [struct address_space_operations() has migrate_folio()])
3563 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3566 # LC_REGISTER_SHRINKER_FORMAT_NAMED
3568 # Linux commit v5.19-rc4-52-ge33c267ab70d
3569 # mm: shrinkers: provide shrinkers with names
3571 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED], [
3572 LB2_LINUX_TEST_SRC([register_shrinker_format], [
3573 #include <linux/mm.h>
3575 if (register_shrinker(NULL, "lustre-%ps", __func__))
3576 unregister_shrinker(NULL);
3579 AC_DEFUN([LC_REGISTER_SHRINKER_FORMAT_NAMED], [
3580 AC_MSG_CHECKING([if register_shrinker() returns status])
3581 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3582 AC_DEFINE(HAVE_REGISTER_SHRINKER_FORMAT_NAMED, 1,
3583 [register_shrinker() returns status])
3585 ]) # LC_REGISTER_SHRINKER_FORMAT_NAMED
3588 # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3590 # From Linux commit v5.19-rc5-17-g0c5fd887d2bb
3591 # acl: move idmapped mount fixup into vfs_{g,s}etxattr()
3592 # Until Linux commit v6.0-rc3-6-g6344e66970c6
3593 # xattr: constify value argument in vfs_setxattr()
3595 AC_DEFUN([LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3596 LB2_LINUX_TEST_SRC([vfs_setxattr_non_const_value_arg], [
3597 #include <linux/xattr.h>
3599 struct dentry *de = NULL;
3600 const char *name = "an.xattr";
3601 const void *value = NULL;
3602 int err = vfs_setxattr(&init_user_ns, de, name, value, 0, 0);
3605 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3606 AC_DEFUN([LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3607 AC_MSG_CHECKING([if vfs_setxattr() value argument is non-const])
3608 LB2_LINUX_TEST_RESULT([vfs_setxattr_non_const_value_arg], [
3609 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3611 [vfs_setxattr() value argument is const void *])
3613 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3614 [((void *)(value))],
3615 [vfs_setxattr() value argument is non-const])
3617 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3620 # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3622 # Linux commit v5.19-10313-geba2d3d79829
3623 # get rid of non-advancing variants
3625 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3626 LB2_LINUX_TEST_SRC([iov_iter_get_pages_alloc2], [
3627 #include <linux/uio.h>
3629 struct iov_iter *iter = NULL;
3630 struct page ***pages = NULL;
3633 size_t result __attribute__ ((unused));
3634 result = iov_iter_get_pages_alloc2(iter, pages, maxsize, &start);
3637 AC_DEFUN([LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3638 AC_MSG_CHECKING([if iov_iter_get_pages_alloc2() is available])
3639 LB2_LINUX_TEST_RESULT([iov_iter_get_pages_alloc2], [
3640 AC_DEFINE(HAVE_IOV_ITER_GET_PAGES_ALLOC2, 1,
3641 [iov_iter_get_pages_alloc2() is available])
3643 ]) # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3646 # LC_HAVE_GET_RANDOM_U32_AND_U64
3648 # Linux commit v4.10-rc3-6-gc440408cf690
3649 # random: convert get_random_int/long into get_random_u32/u64
3650 # Linux commit v6.0-11338-gde492c83cae0
3651 # prandom: remove unused functions
3653 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_AND_U64], [
3654 LB2_LINUX_TEST_SRC([get_random_u32_and_u64], [
3655 #include <linux/random.h>
3657 u32 rand32 = get_random_u32();
3658 u64 rand64 = get_random_u64();
3663 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_AND_U64], [
3664 AC_MSG_CHECKING([if get_random_u32() and get_random_u64() are available])
3665 LB2_LINUX_TEST_RESULT([get_random_u32_and_u64], [
3666 AC_DEFINE(HAVE_GET_RANDOM_U32_AND_U64, 1,
3667 [get_random_[u32|u64] are available])
3669 AC_DEFINE([get_random_u32()], [prandom_u32()],
3670 [get_random_u32() is not available, use prandom_u32])
3672 ]) # LC_HAVE_GET_RANDOM_U32_AND_U64
3675 # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3677 # Linux commit v6.0-rc1-2-g25885a35a720
3678 # Change calling conventions for filldir_t
3680 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3681 LB2_LINUX_TEST_SRC([filldir_ctx_return_bool], [
3682 #include <linux/fs.h>
3684 bool filldir(struct dir_context *ctx, const char* name,
3685 int i, loff_t off, u64 tmp, unsigned temp)
3690 struct dir_context ctx = {
3694 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
3697 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3698 AC_MSG_CHECKING([if filldir_t uses struct dir_context and returns bool])
3699 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3700 AC_DEFINE(HAVE_FILLDIR_USE_CTX_RETURN_BOOL, 1,
3701 [filldir_t needs struct dir_context and returns bool])
3702 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
3703 [filldir_t needs struct dir_context as argument])
3704 AC_DEFINE(FILLDIR_TYPE, bool,
3705 [filldir_t return type is bool or int])
3707 AC_DEFINE(FILLDIR_TYPE, int,
3708 [filldir_t return type is bool or int])
3710 ]) # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3713 # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3715 # Linux commit v6.0-rc3-94-g35b471467f88
3716 # filemap: add filemap_get_folios_contig()
3718 AC_DEFUN([LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3719 LB2_LINUX_TEST_SRC([filemap_get_folios_contig], [
3720 #include <linux/pagemap.h>
3722 struct address_space *m = NULL;
3724 struct folio_batch *fbatch = NULL;
3725 (void)filemap_get_folios_contig(m, &start, ULONG_MAX, fbatch);
3728 AC_DEFUN([LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3729 AC_MSG_CHECKING([if filemap_get_folios_contig() is available])
3730 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3731 AC_DEFINE(HAVE_FILEMAP_GET_FOLIOS_CONTIG, 1,
3732 [filemap_get_folios_contig() is available])
3734 ]) # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3739 # Lustre linux kernel checks
3741 AC_DEFUN([LC_PROG_LINUX_SRC], [
3742 AS_IF([test "x$enable_gss" != xno], [
3743 LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS
3744 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_MD5])
3745 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA1])
3746 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA256])
3747 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA512])
3749 AS_IF([test "x$enable_server" != xno], [
3753 LC_SRC_CONFIG_FHANDLE
3754 LC_SRC_POSIX_ACL_CONFIG
3755 LC_SRC_HAVE_PROJECT_QUOTA
3758 LC_SRC_INVALIDATE_RANGE
3759 LC_SRC_HAVE_DIR_CONTEXT
3760 LC_SRC_D_COMPARE_5ARGS
3762 LC_SRC_PID_NS_FOR_CHILDREN
3765 LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE
3766 LC_SRC_PTR_ERR_OR_ZERO_MISSING
3767 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST
3768 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
3769 LC_SRC_HAVE_DENTRY_D_CHILD
3770 LC_SRC_KIOCB_KI_LEFT
3771 LC_SRC_REGISTER_SHRINKER_RET
3774 LC_SRC_VFS_RENAME_5ARGS
3775 LC_SRC_VFS_UNLINK_3ARGS
3776 LC_SRC_HAVE_D_IS_POSITIVE
3779 LC_SRC_HAVE_BVEC_ITER
3780 LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL
3781 LC_SRC_IOPS_RENAME_WITH_FLAGS
3785 LC_SRC_VFS_RENAME_6ARGS
3788 LC_SRC_DIRECTIO_USE_ITER
3789 LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION
3790 LC_SRC_HAVE_IOV_ITER_TRUNCATE
3791 LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3792 LC_SRC_PAGECACHE_GET_PAGE
3795 LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY
3796 LC_SRC_KEY_MATCH_DATA
3797 LC_SRC_HAVE_BLK_INTEGRITY_ITER
3800 LC_SRC_NFS_FILLDIR_USE_CTX
3801 LC_SRC_PERCPU_COUNTER_INIT
3804 LC_SRC_KIOCB_HAS_NBYTES
3805 LC_SRC_HAVE_DQUOT_QC_DQBLK
3806 LC_SRC_HAVE_AIO_COMPLETE
3807 LC_SRC_HAVE_IS_ROOT_INODE
3810 LC_SRC_BACKING_DEV_INFO_REMOVAL
3811 LC_SRC_HAVE_BDI_CAP_MAP_COPY
3815 LC_SRC_HAVE___BI_CNT
3818 LC_SRC_BIO_ENDIO_USES_ONE_ARG
3819 LC_SRC_SYMLINK_OPS_USE_NAMEIDATA
3820 LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS
3821 LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER
3824 LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3825 LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3826 LC_SRC_HAVE_CACHE_HEAD_HLIST
3827 LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED
3830 LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT
3831 LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3832 LC_SRC_HAVE_XATTR_HANDLER_NAME
3833 LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
3835 LC_SRC_HAVE_SUBMIT_BIO_2ARGS
3836 LC_SRC_HAVE_CLEAN_BDEV_ALIASES
3839 LC_SRC_HAVE_FILE_DENTRY
3842 LC_SRC_HAVE_INODE_LOCK
3843 LC_SRC_HAVE_IOP_GET_LINK
3844 LC_SRC_HAVE_IN_COMPAT_SYSCALL
3845 LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM
3846 LC_SRC_LOCK_PAGE_MEMCG
3847 LC_SRC_HAVE_DOWN_WRITE_KILLABLE
3852 LC_SRC_DIRECTIO_2ARGS
3853 LC_SRC_GENERIC_WRITE_SYNC_2ARGS
3854 LC_SRC_FOP_ITERATE_SHARED
3857 LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS
3858 LC_SRC_D_COMPARE_4ARGS
3859 LC_SRC_FULL_NAME_HASH_3ARGS
3860 LC_SRC_STRUCT_POSIX_ACL_XATTR
3864 LC_SRC_GROUP_INFO_GID
3866 LC_SRC_POSIX_ACL_UPDATE_MODE
3867 LC_SRC_HAVE_BDI_IO_PAGES
3870 LC_SRC_IOP_GENERIC_READLINK
3871 LC_SRC_HAVE_VM_FAULT_ADDRESS
3874 LC_SRC_INODEOPS_ENHANCED_GETATTR
3875 LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG
3876 LC_SRC_HAVE_KEY_USAGE_REFCOUNT
3877 LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128
3881 LC_SRC_SUPER_SETUP_BDI_NAME
3885 LC_SRC_BIO_INTEGRITY_ENABLED
3886 LC_SRC_HAVE_GET_INODE_USAGE
3889 LC_SRC_PAGEVEC_INIT_ONE_PARAM
3891 LC_SRC_INTERVAL_TREE_CACHED
3895 LC_SRC_VM_FAULT_RETRY
3899 LC_SRC_INODE_TIMESPEC64
3900 LC_SRC_ALLOC_FILE_PSEUDO
3903 LC_SRC_RADIX_TREE_TAG_SET
3904 LC_SRC_UAPI_LINUX_MOUNT_H
3905 LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
3908 LC_SRC_GENL_FAMILY_HAS_RESV_START_OP
3911 LC_SRC_HAVE_BVEC_ITER_ALL
3914 LC_SRC_KEYRING_SEARCH_4ARGS
3917 LC_SRC_BIO_BI_PHYS_SEGMENTS
3918 LC_SRC_LM_COMPARE_OWNER_EXISTS
3921 LC_SRC_FSCRYPT_DIGESTED_NAME
3924 LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED
3927 LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER
3928 LC_SRC_FSCRYPT_SET_CONTEXT
3929 LC_SRC_FSCRYPT_NOKEY_NAME
3930 LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3931 LC_SRC_FSCRYPT_DUMMY_POLICY
3932 LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE
3935 LC_SRC_FSCRYPT_IS_NOKEY_NAME
3936 LC_SRC_FSCRYPT_PREPARE_READDIR
3942 LC_SRC_HAVE_USER_NAMESPACE_ARG
3945 LC_SRC_HAVE_GET_ACL_RCU_ARG
3948 LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3949 LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS
3952 LC_SRC_HAVE_INVALIDATE_FOLIO
3953 LC_SRC_HAVE_DIRTY_FOLIO
3956 LC_SRC_HAVE_ALLOC_INODE_SB
3959 LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3960 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3961 LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3962 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3963 LC_SRC_HAVE_LSMCONTEXT_INIT
3964 LC_SRC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
3967 LC_SRC_HAVE_NO_LLSEEK
3968 LC_SRC_DQUOT_TRANSFER_WITH_USER_NS
3969 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3970 LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED
3971 LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3972 LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3975 LC_SRC_HAVE_GET_RANDOM_U32_AND_U64
3976 LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3977 LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3979 # kernel patch to extend integrity interface
3980 LC_SRC_BIO_INTEGRITY_PREP_FN
3983 AC_DEFUN([LC_PROG_LINUX_RESULTS], [
3984 AS_IF([test "x$enable_gss" != xno], [
3985 LC_KEY_TYPE_INSTANTIATE_2ARGS
3987 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_MD5], [],
3989 [kernel MD5 support is recommended by using GSS.])])
3990 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
3992 [kernel SHA1 support is recommended by using GSS.])])
3993 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
3995 [kernel SHA256 support is recommended by using GSS.])])
3996 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
3998 [kernel SHA512 support is recommended by using GSS.])])
4000 AS_IF([test "x$enable_server" != xno], [
4006 LC_HAVE_PROJECT_QUOTA
4013 LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
4014 LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
4015 LC_HAVE_DENTRY_D_CHILD
4016 LC_PID_NS_FOR_CHILDREN
4019 LC_OLDSIZE_TRUNCATE_PAGECACHE
4020 LC_PTR_ERR_OR_ZERO_MISSING
4022 LC_REGISTER_SHRINKER_RET
4027 LC_HAVE_D_IS_POSITIVE
4031 LC_HAVE_TRUNCATE_IPAGES_FINAL
4032 LC_IOPS_RENAME_WITH_FLAGS
4039 LC_DIRECTIO_USE_ITER
4040 LC_HAVE_IOV_ITER_INIT_DIRECTION
4041 LC_HAVE_IOV_ITER_TRUNCATE
4042 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
4043 LC_PAGECACHE_GET_PAGE
4046 LC_HAVE_INTERVAL_BLK_INTEGRITY
4048 LC_HAVE_BLK_INTEGRITY_ITER
4051 LC_PERCPU_COUNTER_INIT
4052 LC_NFS_FILLDIR_USE_CTX
4056 LC_HAVE_DQUOT_QC_DQBLK
4057 LC_HAVE_AIO_COMPLETE
4058 LC_HAVE_IS_ROOT_INODE
4061 LC_BACKING_DEV_INFO_REMOVAL
4062 LC_HAVE_BDI_CAP_MAP_COPY
4069 LC_BIO_ENDIO_USES_ONE_ARG
4070 LC_SYMLINK_OPS_USE_NAMEIDATA
4071 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
4072 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
4075 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
4076 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
4077 LC_HAVE_CACHE_HEAD_HLIST
4078 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
4081 LC_HAVE_LOCKS_LOCK_FILE_WAIT
4082 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
4083 LC_HAVE_XATTR_HANDLER_NAME
4085 LC_HAVE_SUBMIT_BIO_2ARGS
4086 LC_HAVE_CLEAN_BDEV_ALIASES
4093 LC_HAVE_IOP_GET_LINK
4096 LC_HAVE_IN_COMPAT_SYSCALL
4097 LC_HAVE_XATTR_HANDLER_INODE_PARAM
4099 LC_HAVE_DOWN_WRITE_KILLABLE
4105 LC_GENERIC_WRITE_SYNC_2ARGS
4106 LC_FOP_ITERATE_SHARED
4109 LC_HAVE_POSIX_ACL_VALID_USER_NS
4111 LC_FULL_NAME_HASH_3ARGS
4112 LC_STRUCT_POSIX_ACL_XATTR
4118 LC_POSIX_ACL_UPDATE_MODE
4119 LC_HAVE_BDI_IO_PAGES
4122 LC_IOP_GENERIC_READLINK
4123 LC_HAVE_VM_FAULT_ADDRESS
4126 LC_INODEOPS_ENHANCED_GETATTR
4127 LC_VM_OPERATIONS_REMOVE_VMF_ARG
4128 LC_HAVE_KEY_USAGE_REFCOUNT
4129 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
4133 LC_SUPER_SETUP_BDI_NAME
4137 LC_BIO_INTEGRITY_ENABLED
4138 LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
4139 LC_HAVE_GET_INODE_USAGE
4142 LC_PAGEVEC_INIT_ONE_PARAM
4144 LC_INTERVAL_TREE_CACHED
4152 LC_ALLOC_FILE_PSEUDO
4156 LC_RADIX_TREE_TAG_SET
4157 LC_UAPI_LINUX_MOUNT_H
4158 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
4161 LC_GENL_FAMILY_HAS_RESV_START_OP
4164 LC_HAVE_BVEC_ITER_ALL
4167 LC_KEYRING_SEARCH_4ARGS
4170 LC_BIO_BI_PHYS_SEGMENTS
4171 LC_LM_COMPARE_OWNER_EXISTS
4174 LC_FSCRYPT_DIGESTED_NAME
4177 LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
4180 LC_HAVE_ITER_FILE_SPLICE_WRITE
4183 LC_FSCRYPT_FNAME_ALLOC_BUFFER
4184 LC_FSCRYPT_SET_CONTEXT
4185 LC_FSCRYPT_D_REVALIDATE
4186 LC_FSCRYPT_NOKEY_NAME
4187 LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
4188 LC_FSCRYPT_DUMMY_POLICY
4191 LC_FSCRYPT_IS_NOKEY_NAME
4192 LC_FSCRYPT_PREPARE_READDIR
4198 LC_HAVE_USER_NAMESPACE_ARG
4201 LC_HAVE_GET_ACL_RCU_ARG
4204 LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4205 LC_HAVE_KIOCB_COMPLETE_2ARGS
4206 LC_EXPORTS_DELETE_FROM_PAGE_CACHE
4209 LC_HAVE_INVALIDATE_FOLIO
4213 LC_HAVE_ALLOC_INODE_SB
4216 LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4217 LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4218 LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4219 LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4220 LC_HAVE_LSMCONTEXT_INIT
4221 LC_SECURITY_DENTRY_INIT_SECURTY_WITH_CTX
4225 LC_DQUOT_TRANSFER_WITH_USER_NS
4226 LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4227 LC_REGISTER_SHRINKER_FORMAT_NAMED
4228 LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4229 LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4232 LC_HAVE_GET_RANDOM_U32_AND_U64
4233 LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4234 LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4236 # kernel patch to extend integrity interface
4237 LC_BIO_INTEGRITY_PREP_FN
4243 # Lustre linux kernel checks
4245 AC_DEFUN([LC_PROG_LINUX], [
4246 AC_MSG_NOTICE([Lustre kernel checks
4247 ==============================================================================])
4252 LC_CONFIG_HEALTH_CHECK_WRITE
4253 LC_CONFIG_LRU_RESIZE
4256 LC_GLIBC_SUPPORT_FHANDLES
4257 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
4261 # 4.1.0 - Check export
4262 LC_HAVE_SYNC_READ_WRITE
4264 # 4.8 - Check export
4265 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
4267 # 5.2 - Check export
4268 LC_ACCOUNT_PAGE_DIRTIED
4275 # Check whether to build the client side of Lustre
4277 AC_DEFUN([LC_CONFIG_CLIENT], [
4278 AC_MSG_CHECKING([whether to build Lustre client support])
4279 AC_ARG_ENABLE([client],
4280 AS_HELP_STRING([--disable-client],
4281 [disable Lustre client support]),
4282 [], [enable_client="yes"])
4283 AC_MSG_RESULT([$enable_client])
4284 ]) # LC_CONFIG_CLIENT
4289 AC_DEFUN([LB_CONFIG_MPITESTS], [
4290 AC_ARG_ENABLE([mpitests],
4291 AS_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
4292 [include mpi tests]), [
4293 enable_mpitests="yes"
4296 MPICC_WRAPPER="mpicc"
4297 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4300 enable_mpitests="no"
4304 MPICC_WRAPPER=$enableval
4305 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
4309 enable_mpitests="yes"
4310 MPICC_WRAPPER="mpicc"
4311 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4314 if test "x$enable_mpitests" != "xno"; then
4317 AC_CACHE_CHECK([whether mpitests can be built],
4318 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4322 MPI_Initialized(&flag);
4325 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
4327 enable_mpitests=$lb_cv_mpi_tests
4331 AC_SUBST(MPICC_WRAPPER)
4332 ]) # LB_CONFIG_MPITESTS
4337 # whether to enable quota support global control
4339 AC_DEFUN([LC_ENABLE_QUOTA], [
4340 AC_MSG_CHECKING([whether to enable quota support global control])
4341 AC_ARG_ENABLE([quota],
4342 AS_HELP_STRING([--enable-quota],
4343 [enable quota support]),
4344 [], [enable_quota="yes"])
4345 AS_IF([test "x$enable_quota" = xyes],
4346 [AC_MSG_RESULT([yes])],
4347 [AC_MSG_RESULT([no])])
4348 ]) # LC_ENABLE_QUOTA
4353 AC_DEFUN([LC_QUOTA], [
4357 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
4358 AC_CHECK_HEADER([sys/quota.h],
4359 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
4360 [Define to 1 if you have <sys/quota.h>.])],
4361 [AC_MSG_ERROR([did not find <sys/quota.h> on your system])])
4368 # configure support for optional OSD implementation
4370 AC_DEFUN([LC_OSD_ADDON], [
4371 AC_MSG_CHECKING([whether to use OSD addon])
4373 AS_HELP_STRING([--with-osd=path],
4374 [set path to optional osd]),
4381 OSDADDON="$with_osd"
4388 AS_IF([test $ENABLEOSDADDON -eq 0], [
4392 OSDMODNAME=$(basename $OSDADDON)
4393 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
4394 AC_MSG_RESULT([cannot link])
4396 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
4397 AC_MSG_RESULT([$OSDMODNAME])
4398 OSDADDON="obj-m += $OSDMODNAME/"
4400 AC_MSG_RESULT([cannot link])
4410 # Check whether to enable Lustre client crypto
4412 AC_DEFUN([LC_CONFIG_CRYPTO], [
4413 AC_MSG_CHECKING([whether to enable Lustre client crypto])
4414 AC_ARG_ENABLE([crypto],
4415 AS_HELP_STRING([--enable-crypto=yes|no|in-kernel],
4416 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
4417 [], [enable_crypto="auto"])
4418 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
4422 LC_FSCRYPT_SUPPORT])
4423 AS_IF([test "x$enable_crypto" = xin-kernel], [
4424 AS_IF([test "x$has_fscrypt_support" = xyes], [
4425 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
4426 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
4427 enable_crypto=no])],
4428 [AS_IF([test "x$has_is_encrypted" = xyes], [
4429 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
4430 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
4431 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1, [embedded llcrypt uses llcrypt_dummy_context_enabled()])
4432 enable_crypto="embedded-llcrypt"
4433 enable_llcrypt=yes], [
4434 AS_IF([test "x$enable_crypto" = xyes],
4435 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
4436 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
4437 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
4438 enable_crypto=no])])
4439 AS_IF([test "x$enable_dist" != xno], [
4441 enable_llcrypt=yes])
4442 AC_MSG_RESULT([$enable_crypto])
4443 ]) # LC_CONFIG_CRYPTO
4448 # other configure checks
4450 AC_DEFUN([LC_CONFIGURE], [
4451 AC_MSG_NOTICE([Lustre core checks
4452 ==============================================================================])
4454 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
4455 [CFLAGS="$CFLAGS -Wall -Werror"])
4457 # maximum MDS thread count
4460 # lustre/utils/gss/gss_util.c
4461 # lustre/utils/llog_reader.c
4462 # lustre/utils/create_iam.c
4463 # lustre/utils/libiam.c
4464 AC_CHECK_HEADERS([netdb.h endian.h])
4465 AC_CHECK_FUNCS([gethostbyname])
4467 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
4468 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
4469 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
4471 ext2fs.h not found. Please install e2fsprogs development package.
4476 # lustre/tests/statx_test.c
4477 AC_CHECK_FUNCS([statx])
4479 # lustre/utils/lfs.c
4480 AS_IF([test "$enable_dist" = "no"], [
4481 AC_CHECK_LIB([z], [crc32], [
4482 AC_CHECK_HEADER([zlib.h], [], [
4483 AC_MSG_ERROR([zlib.h not found.])])
4486 zlib library not found. Please install zlib development package.])
4492 AC_CHECK_LIB([selinux], [is_selinux_enabled],
4493 [AC_CHECK_HEADERS([selinux/selinux.h],
4494 [SELINUX="-lselinux"
4495 AC_DEFINE([HAVE_SELINUX], 1,
4496 [support for selinux ])],
4499 No libselinux-devel package found, unable to build selinux enabled tools
4504 No selinux package found, unable to build selinux enabled tools
4509 AC_CHECK_LIB([keyutils], [add_key])
4512 AC_MSG_CHECKING([whether to report minimum OST free space])
4513 AC_ARG_ENABLE([mindf],
4514 AS_HELP_STRING([--enable-mindf],
4515 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
4516 [], [enable_mindf="no"])
4517 AC_MSG_RESULT([$enable_mindf])
4518 AS_IF([test "$enable_mindf" = "yes"], [
4519 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
4520 AC_SUBST(ENABLE_MINDF, yes)
4522 AC_SUBST(ENABLE_MINDF, no)
4525 AC_MSG_CHECKING([whether to randomly failing memory alloc])
4526 AC_ARG_ENABLE([fail_alloc],
4527 AS_HELP_STRING([--disable-fail-alloc],
4528 [disable randomly alloc failure]),
4529 [], [enable_fail_alloc="yes"])
4530 AC_MSG_RESULT([$enable_fail_alloc])
4531 AS_IF([test "x$enable_fail_alloc" != xno], [
4532 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
4533 AC_SUBST(ENABLE_FAIL_ALLOC, yes)
4535 AC_SUBST(ENABLE_FAIL_ALLOC, no)
4538 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
4539 AC_ARG_ENABLE([invariants],
4540 AS_HELP_STRING([--enable-invariants],
4541 [enable invariant checking (cpu intensive)]),
4542 [], [enable_invariants="no"])
4543 AC_MSG_RESULT([$enable_invariants])
4544 AS_IF([test "x$enable_invariants" = xyes], [
4545 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
4546 [enable invariant checking])
4547 AC_SUBST(ENABLE_INVARIANTS, yes)
4549 AC_SUBST(ENABLE_INVARIANTS, no)
4552 AC_MSG_CHECKING([whether to track references with lu_ref])
4553 AC_ARG_ENABLE([lu_ref],
4554 AS_HELP_STRING([--enable-lu_ref],
4555 [enable lu_ref reference tracking code]),
4556 [], [enable_lu_ref="no"])
4557 AC_MSG_RESULT([$enable_lu_ref])
4558 AS_IF([test "x$enable_lu_ref" = xyes], [
4559 AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
4560 [enable lu_ref reference tracking code])
4561 AC_SUBST(ENABLE_LU_REF, yes)
4563 AC_SUBST(ENABLE_LU_REF, no)
4566 AC_MSG_CHECKING([whether to enable page state tracking])
4567 AC_ARG_ENABLE([pgstate-track],
4568 AS_HELP_STRING([--enable-pgstate-track],
4569 [enable page state tracking]),
4570 [], [enable_pgstat_track="no"])
4571 AC_MSG_RESULT([$enable_pgstat_track])
4572 AS_IF([test "x$enable_pgstat_track" = xyes], [
4573 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
4574 [enable page state tracking code])
4575 AC_SUBST(ENABLE_PGSTAT_TRACK, yes)
4577 AC_SUBST(ENABLE_PGSTAT_TRACK, no)
4581 AC_MSG_CHECKING([systemd unit file directory])
4582 AC_ARG_WITH([systemdsystemunitdir],
4583 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
4584 [Directory for systemd service files])],
4585 [], [with_systemdsystemunitdir=auto])
4586 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
4587 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
4588 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
4589 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
4590 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
4591 with_systemdsystemunitdir=no],
4592 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
4593 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
4594 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
4595 AC_MSG_RESULT([$with_systemdsystemunitdir])
4597 AC_MSG_CHECKING([bash-completion directory])
4598 AC_ARG_WITH([bash-completion-dir],
4599 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
4600 [Install the bash auto-completion script in this directory.]),
4602 [with_bash_completion_dir=yes])
4603 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
4604 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
4605 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
4606 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
4609 BASH_COMPLETION_DIR="$with_bash_completion_dir"
4611 AC_SUBST([BASH_COMPLETION_DIR])
4612 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
4618 # AM_CONDITIONALS for lustre
4620 AC_DEFUN([LC_CONDITIONALS], [
4621 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
4622 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
4623 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
4624 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
4625 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
4626 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
4627 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
4628 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
4629 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
4630 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
4631 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
4632 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
4633 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
4634 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
4635 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
4636 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
4637 ]) # LC_CONDITIONALS
4642 # files that should be generated with AC_OUTPUT
4644 AC_DEFUN([LC_CONFIG_FILES],
4648 lustre/autoconf/Makefile
4649 lustre/conf/Makefile
4650 lustre/conf/resource/Makefile
4652 lustre/include/Makefile
4653 lustre/include/lustre/Makefile
4654 lustre/include/uapi/linux/lustre/Makefile
4655 lustre/kernel_patches/targets/5.14-rhel9.2.target
4656 lustre/kernel_patches/targets/5.14-rhel9.1.target
4657 lustre/kernel_patches/targets/5.14-rhel9.0.target
4658 lustre/kernel_patches/targets/4.18-rhel8.8.target
4659 lustre/kernel_patches/targets/4.18-rhel8.7.target
4660 lustre/kernel_patches/targets/4.18-rhel8.6.target
4661 lustre/kernel_patches/targets/4.18-rhel8.5.target
4662 lustre/kernel_patches/targets/4.18-rhel8.4.target
4663 lustre/kernel_patches/targets/4.18-rhel8.3.target
4664 lustre/kernel_patches/targets/4.18-rhel8.2.target
4665 lustre/kernel_patches/targets/4.18-rhel8.1.target
4666 lustre/kernel_patches/targets/4.18-rhel8.target
4667 lustre/kernel_patches/targets/3.10-rhel7.9.target
4668 lustre/kernel_patches/targets/3.10-rhel7.8.target
4669 lustre/kernel_patches/targets/3.10-rhel7.7.target
4670 lustre/kernel_patches/targets/3.10-rhel7.6.target
4671 lustre/kernel_patches/targets/3.10-rhel7.5.target
4672 lustre/kernel_patches/targets/4.14-rhel7.5.target
4673 lustre/kernel_patches/targets/4.14-rhel7.6.target
4674 lustre/kernel_patches/targets/4.12-sles12sp4.target
4675 lustre/kernel_patches/targets/4.12-sles12sp5.target
4676 lustre/kernel_patches/targets/4.12-sles15sp1.target
4677 lustre/kernel_patches/targets/5.3-sles15sp2.target
4678 lustre/kernel_patches/targets/5.3-sles15sp3.target
4679 lustre/kernel_patches/targets/5.14-sles15sp4.target
4680 lustre/kernel_patches/targets/3.x-fc18.target
4681 lustre/kernel_patches/targets/5.10-oe2203.target
4682 lustre/ldlm/Makefile
4683 lustre/ldlm/autoMakefile
4684 lustre/ec/autoMakefile
4687 lustre/fid/autoMakefile
4688 lustre/llite/Makefile
4689 lustre/llite/autoMakefile
4691 lustre/lov/autoMakefile
4693 lustre/mdc/autoMakefile
4695 lustre/lmv/autoMakefile
4696 lustre/lfsck/Makefile
4697 lustre/lfsck/autoMakefile
4699 lustre/mdt/autoMakefile
4701 lustre/mdd/autoMakefile
4703 lustre/fld/autoMakefile
4704 lustre/obdclass/Makefile
4705 lustre/obdclass/autoMakefile
4706 lustre/obdecho/Makefile
4707 lustre/obdecho/autoMakefile
4709 lustre/ofd/autoMakefile
4711 lustre/osc/autoMakefile
4713 lustre/ost/autoMakefile
4714 lustre/osd-ldiskfs/Makefile
4715 lustre/osd-ldiskfs/autoMakefile
4716 lustre/osd-zfs/Makefile
4717 lustre/osd-zfs/autoMakefile
4719 lustre/mgc/autoMakefile
4721 lustre/mgs/autoMakefile
4722 lustre/target/Makefile
4723 lustre/target/autoMakefile
4724 lustre/ptlrpc/Makefile
4725 lustre/ptlrpc/autoMakefile
4726 lustre/ptlrpc/gss/Makefile
4727 lustre/ptlrpc/gss/autoMakefile
4728 lustre/quota/Makefile
4729 lustre/quota/autoMakefile
4730 lustre/scripts/Makefile
4731 lustre/scripts/systemd/Makefile
4732 lustre/tests/Makefile
4733 lustre/tests/mpi/Makefile
4734 lustre/tests/iabf/Makefile
4735 lustre/tests/lutf/Makefile
4736 lustre/tests/lutf/src/Makefile
4737 lustre/tests/kernel/Makefile
4738 lustre/tests/kernel/autoMakefile
4739 lustre/utils/Makefile
4740 lustre/utils/gss/Makefile
4742 lustre/osp/autoMakefile
4744 lustre/lod/autoMakefile
4746 ]) # LC_CONFIG_FILES