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 ]) # LC_CONFIG_PINGER
150 # do checksum of bulk data between client and OST
152 AC_DEFUN([LC_CONFIG_CHECKSUM], [
153 AC_MSG_CHECKING([whether to enable data checksum support])
154 AC_ARG_ENABLE([checksum],
155 AS_HELP_STRING([--disable-checksum],
156 [disable data checksum support]),
157 [], [enable_checksum="yes"])
158 AC_MSG_RESULT([$enable_checksum])
159 AS_IF([test "x$enable_checksum" != xno],
160 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
161 ]) # LC_CONFIG_CHECKSUM
166 # enable distributed flock by default
168 AC_DEFUN([LC_CONFIG_FLOCK], [
169 AC_MSG_CHECKING([whether to enable flock by default])
170 AC_ARG_ENABLE([flock],
171 AS_HELP_STRING([--disable-flock],
172 [disable flock by default]),
173 [], [enable_flock="yes"])
174 AC_MSG_RESULT([$enable_flock])
175 AS_IF([test "x$enable_flock" != xno],
176 [AC_DEFINE(ENABLE_FLOCK, 1, [enable flock by default])])
180 # LC_CONFIG_HEALTH_CHECK_WRITE
182 # Turn off the actual write to the disk
184 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
185 AC_MSG_CHECKING([whether to enable a write with the health check])
186 AC_ARG_ENABLE([health_write],
187 AS_HELP_STRING([--enable-health_write],
188 [enable disk writes when doing health check]),
189 [], [enable_health_write="no"])
190 AC_MSG_RESULT([$enable_health_write])
191 AS_IF([test "x$enable_health_write" != xno],
192 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
193 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
196 # LC_CONFIG_LRU_RESIZE
198 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
199 AC_MSG_CHECKING([whether to enable lru self-adjusting])
200 AC_ARG_ENABLE([lru_resize],
201 AS_HELP_STRING([--enable-lru-resize],
202 [enable lru resize support]),
203 [], [enable_lru_resize="yes"])
204 AC_MSG_RESULT([$enable_lru_resize])
205 AS_IF([test "x$enable_lru_resize" != xno],
206 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
207 ]) # LC_CONFIG_LRU_RESIZE
212 # Quota support. The kernel must support CONFIG_QUOTA.
214 AC_DEFUN([LC_SRC_CONFIG_QUOTA], [
215 LB2_SRC_CHECK_CONFIG_IM([QUOTA])
217 AC_DEFUN([LC_CONFIG_QUOTA], [
218 LB2_TEST_CHECK_CONFIG_IM([QUOTA],[],[AC_MSG_ERROR(
219 [Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])])
225 # fhandle kernel support for open_by_handle_at() and name_to_handle_at()
226 # system calls. The kernel must support CONFIG_FHANDLE.
228 AC_DEFUN([LC_SRC_CONFIG_FHANDLE], [
229 LB2_SRC_CHECK_CONFIG_IM([FHANDLE])
231 AC_DEFUN([LC_CONFIG_FHANDLE], [
232 LB2_TEST_CHECK_CONFIG_IM([FHANDLE],[],[AC_MSG_ERROR(
233 [Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.])])
234 ]) # LC_CONFIG_FHANDLE
237 # LC_POSIX_ACL_CONFIG
241 AC_DEFUN([LC_SRC_POSIX_ACL_CONFIG], [
242 LB2_SRC_CHECK_CONFIG_IM([FS_POSIX_ACL])
244 AC_DEFUN([LC_POSIX_ACL_CONFIG], [
245 LB2_TEST_CHECK_CONFIG_IM([FS_POSIX_ACL],
246 [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])],
248 ]) # LC_POSIX_ACL_CONFIG
250 # CRYPTO_MD5 check and warn only if GSS is not disabled.
253 # LC_CONFIG_GSS_KEYRING
255 # default 'auto', tests for dependencies, if found, enables;
256 # only called if gss is enabled
258 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
259 AC_MSG_CHECKING([whether to enable gss keyring backend])
260 AC_ARG_ENABLE([gss_keyring],
261 [AS_HELP_STRING([--disable-gss-keyring],
262 [disable gss keyring backend])],
263 [], [AS_IF([test "x$enable_gss" != xno], [
264 enable_gss_keyring="yes"], [
265 enable_gss_keyring="auto"])])
266 AC_MSG_RESULT([$enable_gss_keyring])
267 AS_IF([test "x$enable_gss_keyring" != xno], [
268 LB_CHECK_CONFIG_IM([KEYS], [], [
269 gss_keyring_conf_test="fail"
270 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
272 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
273 gss_keyring_conf_test="fail"
274 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
276 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
277 AC_DEFINE([HAVE_GSS_KEYRING], [1],
278 [Define this if you enable gss keyring backend])
279 enable_gss_keyring="yes"
281 AS_IF([test "x$enable_gss_keyring" = xyes], [
282 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
289 ]) # LC_CONFIG_GSS_KEYRING
292 # LC_KEY_TYPE_INSTANTIATE_2ARGS
294 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
296 AC_DEFUN([LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS], [
297 LB2_LINUX_TEST_SRC([key_type_instantiate_2args], [
298 #include <linux/key-type.h>
300 ((struct key_type *)0)->instantiate(0, NULL);
303 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
304 AC_MSG_CHECKING([if 'key_type->instantiate' has two args])
305 LB2_LINUX_TEST_RESULT([key_type_instantiate_2args], [
306 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
307 [key_type->instantiate has two args])
309 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
314 AC_DEFUN([LC_CONFIG_SUNRPC], [
315 LB_CHECK_CONFIG_IM([SUNRPC], [], [
316 AS_IF([test "x$sunrpc_required" = xyes], [
319 kernel SUNRPC support is required by using GSS.
322 ]) # LC_CONFIG_SUNRPC
325 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
327 # Build gss and related tools of Lustre. Currently both kernel and user space
328 # parts are depend on linux platform.
330 AC_DEFUN([LC_CONFIG_GSS], [
331 AC_MSG_CHECKING([whether to enable gss support])
333 [AS_HELP_STRING([--enable-gss], [enable gss support])],
334 [], [enable_gss="auto"])
335 AC_MSG_RESULT([$enable_gss])
337 AC_ARG_VAR([TEST_JOBS],
338 [simultaneous jobs during configure (defaults to $(nproc))])
339 if test "x$ac_cv_env_TEST_JOBS_set" != "xset"; then
340 TEST_JOBS=${TEST_JOBS:-$(nproc)}
344 AC_ARG_VAR([TEST_DIR],
345 [location of temporary parallel configure tests (defaults to $PWD/lb2)])
346 TEST_DIR=${TEST_DIR:-${ac_pwd}/_lpb}
349 AS_IF([test "x$enable_gss" != xno], [
350 LC_CONFIG_GSS_KEYRING
352 sunrpc_required=$enable_gss
356 require_krb5=$enable_gss
360 AS_IF([test -n "$KRBDIR"], [
361 gss_conf_test="success"
363 gss_conf_test="failure"
366 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
367 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
370 enable_gss_keyring="no"
374 AS_IF([test "x$enable_ssk" != xno], [
375 enable_ssk=$enable_gss
378 enable_gss_keyring="no"
384 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
385 AC_DEFUN([LC_OPENSSL_HMAC], [
386 has_hmac_functions="no"
387 saved_flags="$CFLAGS"
388 CFLAGS="$CFLAGS -Werror"
389 AC_MSG_CHECKING([whether OpenSSL has HMAC_Init_ex])
390 AS_IF([test "x$enable_ssk" != xno], [
391 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
392 #include <openssl/hmac.h>
393 #include <openssl/evp.h>
397 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
400 has_hmac_functions="yes"
403 AC_MSG_RESULT([$has_hmac_functions])
404 CFLAGS="$saved_flags"
407 # LC_OPENSSL_EVP_PKEY
409 # OpenSSL 3.0 introduces EVP_PKEY_get_params
410 AC_DEFUN([LC_OPENSSL_EVP_PKEY], [
412 saved_flags="$CFLAGS"
413 CFLAGS="$CFLAGS -Werror"
414 AC_MSG_CHECKING([whether OpenSSL has EVP_PKEY_get_params])
415 AS_IF([test "x$enable_ssk" != xno], [
416 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
417 #include <openssl/evp.h>
422 int rc = EVP_PKEY_get_params(NULL, params);
425 AC_DEFINE(HAVE_OPENSSL_EVP_PKEY, 1, [OpenSSL EVP_PKEY_get_params])
429 CFLAGS="$saved_flags"
430 AC_MSG_RESULT([$has_evp_pkey])
431 ]) # LC_OPENSSL_EVP_PKEY
436 # Check whether to enable Lustre client crypto
438 AC_DEFUN([LC_OPENSSL_SSK], [
439 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
440 AS_IF([test "x$enable_ssk" != xno], [
446 AS_IF([test "x$has_hmac_functions" = xyes -o "x$has_evp_pkey" = xyes], [
447 AC_DEFINE(HAVE_OPENSSL_SSK, 1, [OpenSSL HMAC functions needed for SSK])
451 AC_MSG_RESULT([$enable_ssk])
454 # LC_OPENSSL_GETSEPOL
456 # OpenSSL is needed for l_getsepol
457 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
458 saved_flags="$CFLAGS"
459 CFLAGS="$CFLAGS -Werror"
460 AC_MSG_CHECKING([whether openssl-devel is present])
461 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
462 #include <openssl/evp.h>
465 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
468 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
469 enable_getsepol="yes"
475 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
478 AC_MSG_RESULT([$enable_getsepol])
479 CFLAGS="$saved_flags"
480 ]) # LC_OPENSSL_GETSEPOL
483 AC_DEFUN([LC_HAVE_LIBAIO], [
484 AC_CHECK_HEADER([libaio.h],
486 AC_MSG_WARN([libaio is not installed on the system]))
490 # LC_INVALIDATE_RANGE
492 # 3.11 invalidatepage requires the length of the range to invalidate
494 AC_DEFUN([LC_SRC_INVALIDATE_RANGE], [
495 LB2_LINUX_TEST_SRC([address_space_ops_invalidatepage_3args], [
496 #include <linux/fs.h>
498 struct address_space_operations a_ops;
499 a_ops.invalidatepage(NULL, 0, 0);
502 AC_DEFUN([LC_INVALIDATE_RANGE], [
504 [if 'address_space_operations.invalidatepage' requires 3 arguments])
505 LB2_LINUX_TEST_RESULT([address_space_ops_invalidatepage_3args], [
506 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
507 [address_space_operations.invalidatepage needs 3 arguments])
509 ]) # LC_INVALIDATE_RANGE
512 # LC_HAVE_DIR_CONTEXT
514 # 3.11 readdir now takes the new struct dir_context
516 AC_DEFUN([LC_SRC_HAVE_DIR_CONTEXT], [
517 LB2_LINUX_TEST_SRC([dir_context], [
518 #include <linux/fs.h>
520 #ifdef FMODE_KABI_ITERATE
521 #error "back to use readdir in kabi_extand mode"
523 struct dir_context ctx;
529 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
530 AC_MSG_CHECKING([if 'dir_context' exist])
531 LB2_LINUX_TEST_RESULT([dir_context], [
532 AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist])
534 ]) # LC_HAVE_DIR_CONTEXT
539 # 3.11 dentry_operations.d_compare() taken 5 arguments.
541 AC_DEFUN([LC_SRC_D_COMPARE_5ARGS], [
542 LB2_LINUX_TEST_SRC([d_compare_5args], [
543 #include <linux/dcache.h>
545 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
548 AC_DEFUN([LC_D_COMPARE_5ARGS], [
549 AC_MSG_CHECKING([if 'd_compare' taken 5 arguments])
550 LB2_LINUX_TEST_RESULT([d_compare_5args], [
551 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
552 [d_compare need 5 arguments])
554 ]) # LC_D_COMPARE_5ARGS
559 # 3.11 need to access d_count to get dentry reference count
561 AC_DEFUN([LC_SRC_HAVE_DCOUNT], [
562 LB2_LINUX_TEST_SRC([d_count], [
563 #include <linux/dcache.h>
565 struct dentry de = { };
568 count = d_count(&de);
571 AC_DEFUN([LC_HAVE_DCOUNT], [
572 AC_MSG_CHECKING([if 'd_count' exists])
573 LB2_LINUX_TEST_RESULT([d_count], [
574 AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist])
579 # LC_PID_NS_FOR_CHILDREN
581 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
583 AC_DEFUN([LC_SRC_PID_NS_FOR_CHILDREN], [
584 LB2_LINUX_TEST_SRC([pid_ns_for_children], [
585 #include <linux/nsproxy.h>
588 ns.pid_ns_for_children = NULL;
591 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
592 AC_MSG_CHECKING([if 'struct nsproxy' has 'pid_ns_for_children'])
593 LB2_LINUX_TEST_RESULT([pid_ns_for_children], [
594 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
595 ['struct nsproxy' has 'pid_ns_for_children'])
597 ]) # LC_PID_NS_FOR_CHILDREN
600 # LC_OLDSIZE_TRUNCATE_PAGECACHE
602 # 3.12 truncate_pagecache without oldsize parameter
604 AC_DEFUN([LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE], [
605 LB2_LINUX_TEST_SRC([truncate_pagecache_old_size], [
606 #include <linux/mm.h>
608 truncate_pagecache(NULL, 0, 0);
611 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
612 AC_MSG_CHECKING([if 'truncate_pagecache' with 'old_size' parameter])
613 LB2_LINUX_TEST_RESULT([truncate_pagecache_old_size], [
614 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
617 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
622 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
623 # It was added to linux kernel 3.12
625 AC_DEFUN([LC_SRC_PTR_ERR_OR_ZERO_MISSING], [
626 LB2_LINUX_TEST_SRC([is_err_or_null], [
627 #include <linux/err.h>
629 if (PTR_ERR_OR_ZERO(NULL)) return 0;
632 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
633 AC_MSG_CHECKING([if 'PTR_ERR_OR_ZERO' is missing])
634 LB2_LINUX_TEST_RESULT([is_err_or_null], [
635 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
636 ['PTR_ERR_OR_ZERO' exist])
638 ]) # LC_PTR_ERR_OR_ZERO_MISSING
641 # LC_HAVE_DENTRY_D_U_D_ALIAS
643 # 3.11 kernel moved d_alias to the union d_u in struct dentry
645 # Some distros move d_alias to d_u but it is still a struct list
647 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
648 LB2_LINUX_TEST_SRC([d_alias_list], [
649 #include <linux/list.h>
650 #include <linux/dcache.h>
653 INIT_LIST_HEAD(&de.d_u.d_alias);
656 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_LIST], [
657 AC_MSG_CHECKING([if list 'dentry.d_u.d_alias' exist])
658 LB2_LINUX_TEST_RESULT([d_alias_list], [
659 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
660 [list dentry.d_u.d_alias exist])
662 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
665 # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
667 # Some distros move d_alias to d_u and it is an hlist
669 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
670 LB2_LINUX_TEST_SRC([d_alias_hlist], [
671 #include <linux/list.h>
672 #include <linux/dcache.h>
675 INIT_HLIST_NODE(&de.d_u.d_alias);
678 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST], [
679 AC_MSG_CHECKING([if hlist 'dentry.d_u.d_alias' exist])
680 LB2_LINUX_TEST_RESULT([d_alias_hlist], [
681 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
682 [list dentry.d_u.d_alias exist])
684 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
688 # LC_HAVE_DENTRY_D_CHILD
690 # 3.11 kernel d_child has been moved out of the union d_u
693 AC_DEFUN([LC_SRC_HAVE_DENTRY_D_CHILD], [
694 LB2_LINUX_TEST_SRC([d_child], [
695 #include <linux/list.h>
696 #include <linux/dcache.h>
699 INIT_LIST_HEAD(&de.d_child);
702 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
703 AC_MSG_CHECKING([if 'dentry.d_child' exist])
704 LB2_LINUX_TEST_RESULT([d_child], [
705 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1, [dentry.d_child exist])
707 ]) # LC_HAVE_DENTRY_D_CHILD
712 # 3.12 ki_left removed from struct kiocb
714 AC_DEFUN([LC_SRC_KIOCB_KI_LEFT], [
715 LB2_LINUX_TEST_SRC([kiocb_ki_left], [
716 #include <linux/aio.h>
718 ((struct kiocb*)0)->ki_left = 0;
721 AC_DEFUN([LC_KIOCB_KI_LEFT], [
722 AC_MSG_CHECKING([if 'struct kiocb' with 'ki_left' member])
723 LB2_LINUX_TEST_RESULT([kiocb_ki_left], [
724 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
727 ]) # LC_KIOCB_KI_LEFT
730 # LC_REGISTER_SHRINKER_RET
732 # v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
734 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_RET], [
735 LB2_LINUX_TEST_SRC([register_shrinker_ret], [
736 #include <linux/mm.h>
738 if (register_shrinker(NULL))
739 unregister_shrinker(NULL);
742 AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
743 AC_MSG_CHECKING([if register_shrinker() returns status])
744 LB2_LINUX_TEST_RESULT([register_shrinker_ret], [
745 AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
746 [register_shrinker() returns status])
748 ]) # LC_REGISTER_SHRINKER_RET
751 # LC_VFS_RENAME_5ARGS
753 # 3.13 has vfs_rename with 5 args
755 AC_DEFUN([LC_SRC_VFS_RENAME_5ARGS], [
756 LB2_LINUX_TEST_SRC([vfs_rename_5args], [
757 #include <linux/fs.h>
759 vfs_rename(NULL, NULL, NULL, NULL, NULL);
761 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
762 [kernel has vfs_rename with 5 args])
765 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
766 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 5 args])
767 LB2_LINUX_TEST_RESULT([vfs_rename_5args], [
768 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
769 [kernel has vfs_rename with 5 args])
771 ]) # LC_VFS_RENAME_5ARGS
774 # LC_VFS_UNLINK_3ARGS
776 # 3.13 has vfs_unlink with 3 args
778 AC_DEFUN([LC_SRC_VFS_UNLINK_3ARGS], [
779 LB2_LINUX_TEST_SRC([vfs_unlink_3args], [
780 #include <linux/fs.h>
782 vfs_unlink(NULL, NULL, NULL);
785 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
786 AC_MSG_CHECKING([if Linux kernel has 'vfs_unlink' with 3 args])
787 LB2_LINUX_TEST_RESULT([vfs_unlink_3args], [
788 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
789 [kernel has vfs_unlink with 3 args])
791 ]) # LC_VFS_UNLINK_3ARGS
793 # LC_HAVE_D_IS_POSITIVE
795 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
796 # d_is_positive is added
798 AC_DEFUN([LC_SRC_HAVE_D_IS_POSITIVE], [
799 LB2_LINUX_TEST_SRC([d_is_positive], [
800 #include <linux/dcache.h>
805 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
806 AC_MSG_CHECKING([if 'd_is_positive' exist])
807 LB2_LINUX_TEST_RESULT([d_is_positive], [
808 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
809 ['d_is_positive' is available])
811 ]) # LC_HAVE_D_IS_POSITIVE
816 # 3.14 move some of its data in struct bio into the new
819 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER], [
820 LB2_LINUX_TEST_SRC([have_bvec_iter], [
821 #include <linux/bio.h>
823 struct bvec_iter iter;
825 iter.bi_bvec_done = 0;
828 AC_DEFUN([LC_HAVE_BVEC_ITER], [
829 AC_MSG_CHECKING([if Linux kernel has struct bvec_iter])
830 LB2_LINUX_TEST_RESULT([have_bvec_iter], [
831 AC_DEFINE(HAVE_BVEC_ITER, 1,
832 [kernel has struct bvec_iter])
834 ]) # LC_HAVE_BVEC_ITER
839 # 3.14 adds set_acl method to inode_operations
840 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
842 AC_DEFUN([LC_SRC_IOP_SET_ACL], [
843 LB2_LINUX_TEST_SRC([inode_ops_set_acl], [
844 #include <linux/fs.h>
846 struct inode_operations iop;
850 AC_DEFUN([LC_IOP_SET_ACL], [
851 AC_MSG_CHECKING([if 'inode_operations' has '.set_acl' member function])
852 LB2_LINUX_TEST_RESULT([inode_ops_set_acl], [
853 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
854 [inode_operations has .set_acl member function])
859 # LC_HAVE_TRUNCATE_IPAGE_FINAL
861 # 3.14 bring truncate_inode_pages_final for evict_inode
863 AC_DEFUN([LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL], [
864 LB2_LINUX_TEST_SRC([truncate_ipages_final], [
865 #include <linux/mm.h>
867 truncate_inode_pages_final(NULL);
870 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
871 AC_MSG_CHECKING([if Linux kernel has truncate_inode_pages_final])
872 LB2_LINUX_TEST_RESULT([truncate_ipages_final], [
873 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
874 [kernel has truncate_inode_pages_final])
876 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
879 # LC_IOPS_RENAME_WITH_FLAGS
881 # 3.14 has inode_operations->rename with 5 args
882 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
884 AC_DEFUN([LC_SRC_IOPS_RENAME_WITH_FLAGS], [
885 LB2_LINUX_TEST_SRC([iops_rename_with_flags], [
886 #include <linux/fs.h>
888 struct inode *i1 = NULL, *i2 = NULL;
889 struct dentry *d1 = NULL, *d2 = NULL;
891 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
893 ]) # LC_IOPS_RENAME_WITH_FLAGS
894 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
895 AC_MSG_CHECKING([if 'inode_operations->rename' taken flags as argument])
896 LB2_LINUX_TEST_RESULT([iops_rename_with_flags], [
897 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
898 [inode_operations->rename need flags as argument])
900 ]) # LC_IOPS_RENAME_WITH_FLAGS
903 # LC_VFS_RENAME_6ARGS
905 # 3.15 has vfs_rename with 6 args
907 AC_DEFUN([LC_SRC_VFS_RENAME_6ARGS], [
908 LB2_LINUX_TEST_SRC([vfs_rename_6args], [
909 #include <linux/fs.h>
911 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
914 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
915 AC_MSG_CHECKING([if Linux kernel has 'vfs_rename' with 6 args])
916 LB2_LINUX_TEST_RESULT([vfs_rename_6args], [
917 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
918 [kernel has vfs_rename with 6 args])
920 ]) # LC_VFS_RENAME_6ARGS
923 # LC_DIRECTIO_USE_ITER
925 # 3.16 kernel changes direct IO to use iov_iter
927 AC_DEFUN([LC_SRC_DIRECTIO_USE_ITER], [
928 LB2_LINUX_TEST_SRC([direct_io_iter], [
929 #include <linux/fs.h>
931 struct address_space_operations ops = { };
932 struct iov_iter *iter = NULL;
935 ops.direct_IO(0, NULL, iter, offset);
938 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
939 AC_MSG_CHECKING([if direct IO uses iov_iter])
940 LB2_LINUX_TEST_RESULT([direct_io_iter], [
941 AC_DEFINE(HAVE_DIRECTIO_ITER, 1, [direct IO uses iov_iter])
943 ]) # LC_DIRECTIO_USE_ITER
946 # LC_HAVE_IOV_ITER_INIT_DIRECTION
949 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
950 # changed iov_iter_init api to start accepting a tag
951 # that defines if its a read or write operation
953 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION], [
954 LB2_LINUX_TEST_SRC([iter_init], [
955 #include <linux/uio.h>
956 #include <linux/fs.h>
958 const struct iovec *iov = NULL;
960 iov_iter_init(NULL, READ, iov, 1, 0);
963 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
964 AC_MSG_CHECKING([if 'iov_iter_init' takes a tag])
965 LB2_LINUX_TEST_RESULT([iter_init], [
966 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
967 [iov_iter_init handles directional tag])
969 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
972 # LC_HAVE_IOV_ITER_TRUNCATE
975 # 3.16 introduces a new API iov_iter_truncate()
977 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_TRUNCATE], [
978 LB2_LINUX_TEST_SRC([iter_truncate], [
979 #include <linux/uio.h>
980 #include <linux/fs.h>
982 struct iov_iter *i = NULL;
984 iov_iter_truncate(i, 0);
987 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
988 AC_MSG_CHECKING([if 'iov_iter_truncate' exists])
989 LB2_LINUX_TEST_RESULT([iter_truncate], [
990 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
992 ]) # LC_HAVE_IOV_ITER_TRUNCATE
995 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
997 # 3.16 introduces [read|write]_iter to struct file_operations
999 AC_DEFUN([LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1000 LB2_LINUX_TEST_SRC([file_function_iter], [
1001 #include <linux/fs.h>
1003 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1004 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1007 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1008 AC_MSG_CHECKING([if 'file_operations.[read|write]_iter' exist])
1009 LB2_LINUX_TEST_RESULT([file_function_iter], [
1010 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1011 [file_operations.[read|write]_iter functions exist])
1013 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1016 # LC_PAGECACHE_GET_PAGE
1018 # Kernel version 3.16 commit 2457aec63745e235bcafb7ef312b182d8682f0fc
1019 # @pagecache_get_page was introduced since Linux 3.16
1021 AC_DEFUN([LC_SRC_PAGECACHE_GET_PAGE], [
1022 LB2_LINUX_TEST_SRC([pagecache_get_page], [
1023 #include <linux/pagemap.h>
1025 pagecache_get_page(NULL, 0, 0, 0);
1028 AC_DEFUN([LC_PAGECACHE_GET_PAGE], [
1029 AC_MSG_CHECKING([if 'pagecache_get_page' exists])
1030 LB2_LINUX_TEST_RESULT([pagecache_get_page], [
1031 AC_DEFINE(HAVE_PAGECACHE_GET_PAGE, 1,
1032 ['pagecache_get_page' is available])
1034 ]) # LC_PAGECACHE_GET_PAGE
1037 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1039 # 3.17 replace sector_size with interval in struct blk_integrity
1041 AC_DEFUN([LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY], [
1042 LB2_LINUX_TEST_SRC([interval_blk_integrity], [
1043 #include <linux/blkdev.h>
1045 ((struct blk_integrity *)0)->interval = 0;
1048 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1049 AC_MSG_CHECKING([if 'blk_integrity.interval' exist])
1050 LB2_LINUX_TEST_RESULT([interval_blk_integrity], [
1051 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1052 [blk_integrity.interval exist])
1054 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1059 # 3.17 replaces key_type::match with match_preparse
1060 # and has new struct key_match_data
1062 AC_DEFUN([LC_SRC_KEY_MATCH_DATA], [
1063 LB2_LINUX_TEST_SRC([key_match], [
1064 #include <linux/key-type.h>
1066 struct key_match_data data;
1068 data.raw_data = NULL;
1071 AC_DEFUN([LC_KEY_MATCH_DATA], [
1072 AC_MSG_CHECKING([if struct key_match field exist])
1073 LB2_LINUX_TEST_RESULT([key_match], [
1074 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1, [struct key_match_data exist])
1076 ]) # LC_KEY_MATCH_DATA
1079 # LC_HAVE_BLK_INTEGRITY_ITER
1081 # Linux commit v3.17-rc5-69-g1859308853b1 replaces
1082 # struct blk_integrity_exchg with struct blk_integrity_iter
1084 # LB_CHECK_LINUX_HEADER has already run so we can rely on
1085 # HAVE_LINUX_BLK_INTEGRITY_HEADER being set correctly before
1088 AC_DEFUN([LC_SRC_HAVE_BLK_INTEGRITY_ITER], [
1089 LB2_LINUX_TEST_SRC([blk_integrity_iter], [
1090 #ifdef HAVE_LINUX_BLK_INTEGRITY_HEADER
1091 # include <linux/blk-integrity.h>
1093 # include <linux/blkdev.h>
1096 struct blk_integrity_iter iter;
1098 iter.prot_buf = NULL;
1101 AC_DEFUN([LC_HAVE_BLK_INTEGRITY_ITER], [
1102 AC_MSG_CHECKING([if struct blk_integrity_iter exist])
1103 LB2_LINUX_TEST_RESULT([blk_integrity_iter], [
1104 AC_DEFINE(HAVE_BLK_INTEGRITY_ITER, 1,
1105 [kernel has struct blk_integrity_iter])
1107 ]) # LC_HAVE_BLK_INTEGRITY_ITER
1110 # LC_NFS_FILLDIR_USE_CTX
1112 # 3.18 kernel moved from void cookie to struct dir_context
1114 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX], [
1115 LB2_LINUX_TEST_SRC([filldir_ctx], [
1116 #include <linux/fs.h>
1118 int filldir(struct dir_context *ctx, const char* name,
1119 int i, loff_t off, u64 tmp, unsigned temp)
1124 struct dir_context ctx = {
1128 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1131 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1132 AC_MSG_CHECKING([if filldir_t uses struct dir_context])
1133 LB2_LINUX_TEST_RESULT([filldir_ctx], [
1134 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1135 [filldir_t needs struct dir_context as argument])
1137 ]) # LC_NFS_FILLDIR_USE_CTX
1140 # LC_PERCPU_COUNTER_INIT
1142 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1143 # to pass a GFP_* memory allocation flag for internal
1144 # memory allocation purposes.
1146 AC_DEFUN([LC_SRC_PERCPU_COUNTER_INIT], [
1147 LB2_LINUX_TEST_SRC([percpu_counter_init], [
1148 #include <linux/percpu_counter.h>
1150 percpu_counter_init(NULL, 0, GFP_KERNEL);
1153 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1154 AC_MSG_CHECKING([if percpu_counter_init uses GFP_* flag as argument])
1155 LB2_LINUX_TEST_RESULT([percpu_counter_init], [
1156 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1157 [percpu_counter_init uses GFP_* flag])
1159 ]) # LC_PERCPU_COUNTER_INIT
1162 # LC_KIOCB_HAS_NBYTES
1164 # 3.19 kernel removed ki_nbytes from struct kiocb
1166 AC_DEFUN([LC_SRC_KIOCB_HAS_NBYTES], [
1167 LB2_LINUX_TEST_SRC([ki_nbytes], [
1168 #include <linux/fs.h>
1170 struct kiocb iocb = { };
1175 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1176 AC_MSG_CHECKING([if struct kiocb has ki_nbytes field])
1177 LB2_LINUX_TEST_RESULT([ki_nbytes], [
1178 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1180 ]) # LC_KIOCB_HAS_NBYTES
1183 # LC_HAVE_DQUOT_QC_DQBLK
1185 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
1186 # Added in commit 14bf61ffe
1188 AC_DEFUN([LC_SRC_HAVE_DQUOT_QC_DQBLK], [
1189 LB2_LINUX_TEST_SRC([qc_dqblk], [
1190 #include <linux/fs.h>
1191 #include <linux/quota.h>
1193 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
1196 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
1197 AC_MSG_CHECKING([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk])
1198 LB2_LINUX_TEST_RESULT([qc_dqblk], [
1199 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
1200 [quotactl_ops.set_dqblk takes struct qc_dqblk])
1201 AC_DEFINE(HAVE_DQUOT_KQID, 1,
1202 [quotactl_ops.set_dqblk takes struct kqid])
1204 ]) # LC_HAVE_DQUOT_QC_DQBLK
1207 # LC_HAVE_AIO_COMPLETE
1209 # 3.19 kernel makes aio_complete() static
1211 AC_DEFUN([LC_SRC_HAVE_AIO_COMPLETE], [
1212 LB2_LINUX_TEST_SRC([aio_complete], [
1213 #include <linux/aio.h>
1215 aio_complete(NULL, 0, 0);
1218 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
1219 AC_MSG_CHECKING([if kernel has exported aio_complete()])
1220 LB2_LINUX_TEST_RESULT([aio_complete], [
1221 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
1223 ]) # LC_HAVE_AIO_COMPLETE
1226 # LC_HAVE_IS_ROOT_INODE
1228 # 3.19 kernel adds is_root_inode()
1229 # Commit a7400222e3eb ("new helper: is_root_inode()")
1231 AC_DEFUN([LC_SRC_HAVE_IS_ROOT_INODE], [
1232 LB2_LINUX_TEST_SRC([is_root_inode], [
1233 #include <linux/fs.h>
1235 is_root_inode(NULL);
1238 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1239 AC_MSG_CHECKING([if kernel has is_root_inode()])
1240 LB2_LINUX_TEST_RESULT([is_root_inode], [
1241 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1243 ]) # LC_HAVE_IS_ROOT_INODE
1246 # LC_BACKING_DEV_INFO_REMOVAL
1248 # 3.20 kernel removed backing_dev_info from address_space
1250 AC_DEFUN([LC_SRC_BACKING_DEV_INFO_REMOVAL], [
1251 LB2_LINUX_TEST_SRC([backing_dev_info], [
1252 #include <linux/fs.h>
1254 struct address_space mapping;
1256 mapping.backing_dev_info = NULL;
1259 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1260 AC_MSG_CHECKING([if struct address_space has backing_dev_info])
1261 LB2_LINUX_TEST_RESULT([backing_dev_info], [
1262 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1264 ]) # LC_BACKING_DEV_INFO_REMOVAL
1267 # LC_HAVE_BDI_CAP_MAP_COPY
1269 # 3.20 removed mmap handling for backing devices since
1270 # it breaks on non-MMU systems. See kernel commit
1271 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1273 AC_DEFUN([LC_SRC_HAVE_BDI_CAP_MAP_COPY], [
1274 LB2_LINUX_TEST_SRC([bdi_cap_map_copy], [
1275 #include <linux/backing-dev.h>
1277 struct backing_dev_info info;
1279 info.capabilities = BDI_CAP_MAP_COPY;
1281 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1282 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1283 AC_MSG_CHECKING([if have 'BDI_CAP_MAP_COPY'])
1284 LB2_LINUX_TEST_RESULT([bdi_cap_map_copy], [
1285 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1286 [BDI_CAP_MAP_COPY exist])
1288 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1291 # LC_HAVE_PROJECT_QUOTA
1293 # Kernel version v4.0-rc1-197-g847aac644e92
1295 AC_DEFUN([LC_SRC_HAVE_PROJECT_QUOTA], [
1296 LB2_LINUX_TEST_SRC([get_projid], [
1298 #include <linux/quota.h>
1300 struct dquot_operations ops = { };
1302 ops.get_projid(NULL, NULL);
1305 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1306 AC_MSG_CHECKING([if get_projid exists])
1307 LB2_LINUX_TEST_RESULT([get_projid], [
1308 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1309 [get_projid function exists])
1311 ]) # LC_HAVE_PROJECT_QUOTA
1316 # 4.1 kernel has iov_iter_rw
1318 AC_DEFUN([LC_SRC_IOV_ITER_RW], [
1319 LB2_LINUX_TEST_SRC([iov_iter_rw], [
1320 #include <linux/fs.h>
1321 #include <linux/uio.h>
1323 struct iov_iter *iter = NULL;
1328 AC_DEFUN([LC_IOV_ITER_RW], [
1329 AC_MSG_CHECKING([if iov_iter_rw exist])
1330 LB2_LINUX_TEST_RESULT([iov_iter_rw], [
1331 AC_DEFINE(HAVE_IOV_ITER_RW, 1, [iov_iter_rw exist])
1336 # LC_HAVE_SYNC_READ_WRITE
1338 # 4.1 new_sync_[read|write] no longer exported
1340 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1341 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1342 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1343 [new_sync_[read|write] is exported by the kernel])])
1344 ]) # LC_HAVE_SYNC_READ_WRITE
1349 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1351 AC_DEFUN([LC_SRC_HAVE___BI_CNT], [
1352 LB2_LINUX_TEST_SRC([have___bi_cnt], [
1353 #include <asm/atomic.h>
1354 #include <linux/bio.h>
1355 #include <linux/blk_types.h>
1357 struct bio bio = { };
1359 cnt = atomic_read(&bio.__bi_cnt);
1362 AC_DEFUN([LC_HAVE___BI_CNT], [
1363 AC_MSG_CHECKING([if Linux kernel has __bi_cnt in struct bio])
1364 LB2_LINUX_TEST_RESULT([have___bi_cnt], [
1365 AC_DEFINE(HAVE___BI_CNT, 1, [struct bio has __bi_cnt])
1367 ]) # LC_HAVE___BI_CNT
1370 # LC_SYMLINK_OPS_USE_NAMEIDATA
1372 # For the 4.2+ kernels the file system internal symlink api no
1373 # longer uses struct nameidata as a argument
1375 AC_DEFUN([LC_SRC_SYMLINK_OPS_USE_NAMEIDATA], [
1376 LB2_LINUX_TEST_SRC([symlink_use_nameidata], [
1377 #include <linux/namei.h>
1378 #include <linux/fs.h>
1380 struct nameidata *nd = NULL;
1382 ((struct inode_operations *)0)->follow_link(NULL, nd);
1383 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1386 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1387 AC_MSG_CHECKING([if symlink inode operations have struct nameidata argument])
1388 LB2_LINUX_TEST_RESULT([symlink_use_nameidata], [
1389 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1390 [symlink inode operations need struct nameidata argument])
1392 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1395 # LC_BIO_ENDIO_USES_ONE_ARG
1397 # 4.2 kernel bio_endio now only takes one argument
1399 AC_DEFUN([LC_SRC_BIO_ENDIO_USES_ONE_ARG], [
1400 LB2_LINUX_TEST_SRC([bio_endio], [
1401 #include <linux/bio.h>
1406 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1407 AC_MSG_CHECKING([if 'bio_endio' with one argument exist])
1408 LB2_LINUX_TEST_RESULT([bio_endio], [
1409 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1410 [bio_endio takes only one argument])
1412 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1415 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1417 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1419 AC_DEFUN([LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1420 LB2_LINUX_TEST_SRC([account_page_dirtied_3a], [
1421 #include <linux/mm.h>
1423 account_page_dirtied(NULL, NULL, NULL);
1426 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1427 AC_MSG_CHECKING([if 'account_page_dirtied' with 3 args exists])
1428 LB2_LINUX_TEST_RESULT([account_page_dirtied_3a], [
1429 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1430 [account_page_dirtied takes three arguments])
1432 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1435 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1437 # Kernel version 4.12 commit 7a7ffe65c8c5
1438 # introduced crypto_alloc_skcipher().
1440 AC_DEFUN([LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1441 LB2_LINUX_TEST_SRC([crypto_alloc_skcipher], [
1442 #include <crypto/skcipher.h>
1444 crypto_alloc_skcipher(NULL, 0, 0);
1447 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1448 AC_MSG_CHECKING([if crypto_alloc_skcipher is defined])
1449 LB2_LINUX_TEST_RESULT([crypto_alloc_skcipher], [
1450 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1451 [crypto_alloc_skcipher is defined])
1453 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1456 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1458 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1459 # 'struct blk_integrity_profile' is also added in this version,
1460 # thus use this to determine whether 'struct blk_integrity' has profile
1462 AC_DEFUN([LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1463 LB2_LINUX_TEST_SRC([blk_integrity_interval_exp], [
1464 #include <linux/blkdev.h>
1466 ((struct blk_integrity *)0)->interval_exp = 0;
1469 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1470 AC_MSG_CHECKING([if 'blk_integrity.interval_exp' exist])
1471 LB2_LINUX_TEST_RESULT([blk_integrity_interval_exp], [
1472 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1473 [blk_integrity.interval_exp exist])
1475 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1478 # LC_HAVE_CACHE_HEAD_HLIST
1480 # 4.3 kernel swiched to hlist for cache_head
1482 AC_DEFUN([LC_SRC_HAVE_CACHE_HEAD_HLIST], [
1483 LB2_LINUX_TEST_SRC([cache_head_has_hlist], [
1484 #include <linux/sunrpc/cache.h>
1486 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1489 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1490 AC_MSG_CHECKING([if 'struct cache_head' has 'cache_list' field])
1491 LB2_LINUX_TEST_RESULT([cache_head_has_hlist], [
1492 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1493 [cache_head has hlist cache_list])
1495 ]) # LC_HAVE_CACHE_HEAD_HLIST
1498 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1500 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1501 # simplified xattr_handler handling by passing in the handler pointer
1503 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1504 LB2_LINUX_TEST_SRC([xattr_handler_simplified], [
1505 #include <linux/xattr.h>
1507 struct xattr_handler handler;
1509 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1510 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1513 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1514 AC_MSG_CHECKING([if 'struct xattr_handler' functions pass in handler pointer])
1515 LB2_LINUX_TEST_RESULT([xattr_handler_simplified], [
1516 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1,
1517 [handler pointer is parameter])
1519 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1522 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1524 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1526 AC_DEFUN([LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1527 LB2_LINUX_TEST_SRC([bio_integrity_payload_bip_iter], [
1528 #include <linux/bio.h>
1530 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1533 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1534 AC_MSG_CHECKING([if 'bio_integrity_payload.bip_iter' exist])
1535 LB2_LINUX_TEST_RESULT([bio_integrity_payload_bip_iter], [
1536 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1537 [bio_integrity_payload.bip_iter exist])
1539 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1542 # LC_BIO_INTEGRITY_PREP_FN
1544 # Lustre kernel patch extents bio_integrity_prep to accept optional
1545 # generate/verify_fn as extra args.
1547 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN], [
1548 LB2_LINUX_TEST_SRC([bio_integrity_prep_fn], [
1549 #include <linux/bio.h>
1551 bio_integrity_prep_fn(NULL, NULL, NULL);
1554 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1555 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' exists])
1556 LB2_LINUX_TEST_RESULT([bio_integrity_prep_fn], [
1557 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1558 [kernel has bio_integrity_prep_fn])
1559 AC_SUBST(PATCHED_INTEGRITY_INTF)
1561 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1563 ]) # LC_BIO_INTEGRITY_PREP_FN
1565 # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1567 # 13 kernel integrity API has changed and in 4.13+
1568 # (as well as in rhel 8.4) bio_integrity_prep() returns boolean true
1571 AC_DEFUN([LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1572 LB2_LINUX_TEST_SRC([bio_integrity_prep_ret_bool], [
1573 #include <linux/bio.h>
1574 #include <linux/typecheck.h>
1576 #pragma GCC diagnostic warning "-Werror"
1577 typedef bool (*bio_integrity_prep_type)(struct bio *bio) ;
1579 typecheck_fn(bio_integrity_prep_type, bio_integrity_prep);
1582 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
1583 AC_MSG_CHECKING([if 'bio_integrity_prep_fn' returns bool])
1584 LB2_LINUX_TEST_RESULT([bio_integrity_prep_ret_bool], [
1585 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL, 1,
1586 [bio_integrity_prep_fn returns bool])
1588 ]) # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
1593 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1595 AC_DEFUN([LC_SRC_HAVE_BI_OPF], [
1596 LB2_LINUX_TEST_SRC([have_bi_opf], [
1597 #include <linux/bio.h>
1604 AC_DEFUN([LC_HAVE_BI_OPF], [
1605 AC_MSG_CHECKING([if Linux kernel has bi_opf in struct bio])
1606 LB2_LINUX_TEST_RESULT([have_bi_opf], [
1607 AC_DEFINE(HAVE_BI_OPF, 1, [struct bio has bi_opf])
1612 # LC_HAVE_SUBMIT_BIO_2ARGS
1614 # 4.4 removed an argument from submit_bio
1616 AC_DEFUN([LC_SRC_HAVE_SUBMIT_BIO_2ARGS], [
1617 LB2_LINUX_TEST_SRC([have_submit_bio_2args], [
1618 #include <linux/bio.h>
1621 submit_bio(READ, &bio);
1624 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1625 AC_MSG_CHECKING([if submit_bio takes two arguments])
1626 LB2_LINUX_TEST_RESULT([have_submit_bio_2args], [
1627 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1628 [submit_bio takes two arguments])
1630 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1633 # LC_HAVE_CLEAN_BDEV_ALIASES
1635 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1636 # (SLES12/kernel commit 29f3ad7d8380364c)
1638 AC_DEFUN([LC_SRC_HAVE_CLEAN_BDEV_ALIASES], [
1639 LB2_LINUX_TEST_SRC([have_clean_bdev_aliases], [
1640 #include <linux/buffer_head.h>
1642 clean_bdev_aliases(NULL,1,1);
1645 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1646 AC_MSG_CHECKING([if kernel has clean_bdev_aliases])
1647 LB2_LINUX_TEST_RESULT([have_clean_bdev_aliases], [
1648 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1649 [kernel has clean_bdev_aliases])
1651 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1654 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1656 # 4.4 kernel have moved locks API users to
1657 # locks_lock_inode_wait()
1659 AC_DEFUN([LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1660 LB2_LINUX_TEST_SRC([locks_lock_file_wait], [
1661 #include <linux/fs.h>
1663 locks_lock_file_wait(NULL, NULL);
1666 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1667 AC_MSG_CHECKING([if 'locks_lock_file_wait' exists])
1668 LB2_LINUX_TEST_RESULT([locks_lock_file_wait], [
1669 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1670 [kernel has locks_lock_file_wait])
1672 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1675 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1677 # 4.4 kernel merged type-specific data with the payload data for keys
1679 AC_DEFUN([LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1680 LB2_LINUX_TEST_SRC([key_payload_data_array], [
1681 #include <linux/key.h>
1683 struct key key = { };
1685 key.payload.data[0] = NULL;
1688 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1689 AC_MSG_CHECKING([if 'struct key' has 'payload.data' as an array])
1690 LB2_LINUX_TEST_RESULT([key_payload_data_array], [
1691 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1693 ]) # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1696 # LC_HAVE_XATTR_HANDLER_NAME
1698 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1699 # add a name member to struct xattr_handler
1701 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_NAME], [
1702 LB2_LINUX_TEST_SRC([xattr_handler_name], [
1703 #include <linux/xattr.h>
1705 ((struct xattr_handler *)NULL)->name = NULL;
1708 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1709 AC_MSG_CHECKING([if 'struct xattr_handler' has a name member])
1710 LB2_LINUX_TEST_RESULT([xattr_handler_name], [
1711 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1,
1712 [xattr_handler has a name member])
1714 ]) # LC_HAVE_XATTR_HANDLER_NAME
1717 # LC_HAVE_FILE_DENTRY
1719 # 4.5 adds wrapper file_dentry
1721 AC_DEFUN([LC_SRC_HAVE_FILE_DENTRY], [
1722 LB2_LINUX_TEST_SRC([file_dentry], [
1723 #include <linux/fs.h>
1728 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1729 AC_MSG_CHECKING([if Linux kernel has 'file_dentry'])
1730 LB2_LINUX_TEST_RESULT([file_dentry], [
1731 AC_DEFINE(HAVE_FILE_DENTRY, 1, [kernel has file_dentry])
1733 ]) # LC_HAVE_FILE_DENTRY
1736 # LC_HAVE_INODE_LOCK
1738 # 4.5 introduced inode_lock
1740 AC_DEFUN([LC_SRC_HAVE_INODE_LOCK], [
1741 LB2_LINUX_TEST_SRC([inode_lock], [
1742 #include <linux/fs.h>
1747 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1748 AC_MSG_CHECKING([if 'inode_lock' is defined])
1749 LB2_LINUX_TEST_RESULT([inode_lock], [
1750 AC_DEFINE(HAVE_INODE_LOCK, 1, [inode_lock is defined])
1752 ]) # LC_HAVE_INODE_LOCK
1755 # LC_HAVE_IOP_GET_LINK
1757 # 4.5 vfs replaced iop->follow_link with
1760 AC_DEFUN([LC_SRC_HAVE_IOP_GET_LINK], [
1761 LB2_LINUX_TEST_SRC([inode_ops_get_link], [
1762 #include <linux/fs.h>
1764 struct inode_operations iop;
1765 iop.get_link = NULL;
1768 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1769 AC_MSG_CHECKING([if 'iop' has 'get_link'])
1770 LB2_LINUX_TEST_RESULT([inode_ops_get_link], [
1771 AC_DEFINE(HAVE_IOP_GET_LINK, 1, [have iop get_link])
1773 ]) # LC_HAVE_IOP_GET_LINK
1776 # LC_HAVE_IN_COMPAT_SYSCALL
1778 # 4.6 renamed is_compat_task to in_compat_syscall
1780 AC_DEFUN([LC_SRC_HAVE_IN_COMPAT_SYSCALL], [
1781 LB2_LINUX_TEST_SRC([in_compat_syscall], [
1782 #include <linux/compat.h>
1784 in_compat_syscall();
1787 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1788 AC_MSG_CHECKING([if 'in_compat_syscall' is defined])
1789 LB2_LINUX_TEST_RESULT([in_compat_syscall], [
1790 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1, [have in_compat_syscall])
1792 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1795 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1797 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1798 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1799 # to xattr_handler functions
1801 AC_DEFUN([LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1802 LB2_LINUX_TEST_SRC([xattr_handler_inode_param], [
1803 #include <linux/xattr.h>
1805 const struct xattr_handler handler;
1807 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1808 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1811 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1812 AC_MSG_CHECKING([if 'struct xattr_handler' functions have inode parameter])
1813 LB2_LINUX_TEST_RESULT([xattr_handler_inode_param], [
1814 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1816 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1821 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1822 # introduced parallel lookups in the VFS layer. The inline function
1823 # d_in_lookup was added to notify when the same item was being queried
1826 AC_DEFUN([LC_SRC_D_IN_LOOKUP], [
1827 LB2_LINUX_TEST_SRC([d_in_lookup], [
1828 #include <linux/dcache.h>
1833 AC_DEFUN([LC_D_IN_LOOKUP], [
1834 AC_MSG_CHECKING([if 'd_in_lookup' is defined])
1835 LB2_LINUX_TEST_RESULT([d_in_lookup], [
1836 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1841 # LC_LOCK_PAGE_MEMCG
1843 # Kernel version 4.6 adds lock_page_memcg(page)
1844 # Linux commit v5.15-12273-gab2f9d2d3626
1845 # mm: unexport {,un}lock_page_memcg
1847 AC_DEFUN([LC_SRC_LOCK_PAGE_MEMCG], [
1848 LB2_LINUX_TEST_SRC([lock_page_memcg], [
1849 #include <linux/memcontrol.h>
1851 lock_page_memcg(NULL);
1854 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1855 AC_MSG_CHECKING([if 'lock_page_memcg' is defined])
1856 LB2_LINUX_TEST_RESULT([lock_page_memcg], [
1857 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1, [lock_page_memcg is defined])
1859 ]) # LC_LOCK_PAGE_MEMCG
1862 # LC_HAVE_DOWN_WRITE_KILLABLE
1864 # Kernel version v4.6-rc3-28-g916633a40370
1866 AC_DEFUN([LC_SRC_HAVE_DOWN_WRITE_KILLABLE], [
1867 LB2_LINUX_TEST_SRC([down_write_killable], [
1868 #include <linux/rwsem.h>
1870 struct rw_semaphore sem;
1874 rc = down_write_killable(&sem);
1878 AC_DEFUN([LC_HAVE_DOWN_WRITE_KILLABLE], [
1879 AC_MSG_CHECKING([if down_write_killable exists])
1880 LB2_LINUX_TEST_RESULT([down_write_killable], [
1881 AC_DEFINE(HAVE_DOWN_WRITE_KILLABLE, 1,
1882 [down_write_killable function exists])
1884 ]) # LC_HAVE_DOWN_WRITE_KILLABLE
1889 # Kernel version 4.7-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
1890 # add new d_init to initialize dentry at allocation time
1892 AC_DEFUN([LC_SRC_D_INIT], [
1893 LB2_LINUX_TEST_SRC([d_init], [
1894 #include <linux/dcache.h>
1896 struct dentry_operations ops = { };
1899 rc = ops.d_init(NULL);
1902 AC_DEFUN([LC_D_INIT], [
1903 AC_MSG_CHECKING([if dentry operations supports 'd_init'])
1904 LB2_LINUX_TEST_RESULT([d_init], [
1905 AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
1912 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1913 # direct-io: eliminate the offset argument to ->direct_IO
1915 AC_DEFUN([LC_SRC_DIRECTIO_2ARGS], [
1916 LB2_LINUX_TEST_SRC([direct_io_2args], [
1917 #include <linux/fs.h>
1919 struct address_space_operations ops = { };
1920 struct iov_iter *iter = NULL;
1921 struct kiocb *iocb = NULL;
1924 rc = ops.direct_IO(iocb, iter);
1927 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1928 AC_MSG_CHECKING([if '->direct_IO()' takes 2 arguments])
1929 LB2_LINUX_TEST_RESULT([direct_io_2args], [
1930 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1, [direct_IO has 2 arguments])
1932 ]) # LC_DIRECTIO_2ARGS
1935 # LC_GENERIC_WRITE_SYNC_2ARGS
1937 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1938 # fs: add IOCB_SYNC and IOCB_DSYNC
1940 AC_DEFUN([LC_SRC_GENERIC_WRITE_SYNC_2ARGS], [
1941 LB2_LINUX_TEST_SRC([generic_write_sync_2args], [
1942 #include <linux/fs.h>
1944 struct kiocb *iocb = NULL;
1947 rc = generic_write_sync(iocb, 0);
1950 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1951 AC_MSG_CHECKING([if 'generic_write_sync()' takes 2 arguments])
1952 LB2_LINUX_TEST_RESULT([generic_write_sync_2args], [
1953 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1954 [generic_write_sync has 2 arguments])
1956 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1959 # LC_FOP_ITERATE_SHARED
1961 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1963 AC_DEFUN([LC_SRC_FOP_ITERATE_SHARED], [
1964 LB2_LINUX_TEST_SRC([fop_iterate_shared], [
1965 #include <linux/fs.h>
1967 struct file_operations fop;
1968 fop.iterate_shared = NULL;
1971 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1972 AC_MSG_CHECKING([if 'file_operations' has 'iterate_shared'])
1973 LB2_LINUX_TEST_RESULT([fop_iterate_shared], [
1974 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1975 [file_operations has iterate_shared])
1977 ]) # LC_FOP_ITERATE_SHARED
1980 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
1982 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
1983 # generic_file_splice_read() to using ->read_iter. We can test this
1984 # change since default_file_splice_read() is no longer exported.
1986 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
1987 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
1988 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
1989 [default_file_splice_read is exported])])
1990 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
1993 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1995 # 4.8 posix_acl_valid takes struct user_namespace
1997 AC_DEFUN([LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS], [
1998 LB2_LINUX_TEST_SRC([posix_acl_valid], [
1999 #include <linux/fs.h>
2000 #include <linux/posix_acl.h>
2002 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2005 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2006 AC_MSG_CHECKING([if 'posix_acl_valid' takes 'struct user_namespace'])
2007 LB2_LINUX_TEST_RESULT([posix_acl_valid], [
2008 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2009 [posix_acl_valid takes struct user_namespace])
2011 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2014 # LC_D_COMPARE_4ARGS
2016 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2017 # get rid of 'parent' argument of ->d_compare()
2019 AC_DEFUN([LC_SRC_D_COMPARE_4ARGS], [
2020 LB2_LINUX_TEST_SRC([d_compare_4args], [
2021 #include <linux/dcache.h>
2023 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2026 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2027 AC_MSG_CHECKING([if 'd_compare' taken 4 arguments])
2028 LB2_LINUX_TEST_RESULT([d_compare_4args], [
2029 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2030 [d_compare need 4 arguments])
2032 ]) # LC_D_COMPARE_4ARGS
2035 # LC_FULL_NAME_HASH_3ARGS
2037 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2038 # vfs: make the string hashes salt the hash
2040 AC_DEFUN([LC_SRC_FULL_NAME_HASH_3ARGS], [
2041 LB2_LINUX_TEST_SRC([full_name_hash_3args], [
2042 #include <linux/stringhash.h>
2045 hash = full_name_hash(NULL,NULL,0);
2048 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2049 AC_MSG_CHECKING([if 'full_name_hash' taken 3 arguments])
2050 LB2_LINUX_TEST_RESULT([full_name_hash_3args], [
2051 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2052 [full_name_hash need 3 arguments])
2054 ]) # LC_FULL_NAME_HASH_3ARGS
2057 # LC_STRUCT_POSIX_ACL_XATTR
2059 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2060 # posix_acl: xattr representation cleanups
2062 AC_DEFUN([LC_SRC_STRUCT_POSIX_ACL_XATTR], [
2063 LB2_LINUX_TEST_SRC([struct_posix_acl_xattr], [
2064 #include <linux/fs.h>
2065 #include <linux/posix_acl_xattr.h>
2067 struct posix_acl_xattr_header *h = NULL;
2068 struct posix_acl_xattr_entry *e;
2069 e = (void *)(h + 1);
2072 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2073 AC_MSG_CHECKING([if 'struct posix_acl_xattr_{header,entry}' defined])
2074 LB2_LINUX_TEST_RESULT([struct_posix_acl_xattr], [
2075 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2076 [struct posix_acl_xattr_{header,entry} defined])
2078 ]) # LC_STRUCT_POSIX_ACL_XATTR
2083 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2084 # removed {get,set,remove}xattr inode operations
2086 AC_DEFUN([LC_SRC_IOP_XATTR], [
2087 LB2_LINUX_TEST_SRC([inode_ops_xattr], [
2088 #include <linux/fs.h>
2090 struct inode_operations iop;
2091 iop.setxattr = NULL;
2092 iop.getxattr = NULL;
2093 iop.removexattr = NULL;
2096 AC_DEFUN([LC_IOP_XATTR], [
2097 AC_MSG_CHECKING([if 'inode_operations' has {get,set,remove}xattr members])
2098 LB2_LINUX_TEST_RESULT([inode_ops_xattr], [
2099 AC_DEFINE(HAVE_IOP_XATTR, 1,
2100 [inode_operations has {get,set,remove}xattr members])
2107 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2108 # cred: simpler, 1D supplementary groups
2110 AC_DEFUN([LC_SRC_GROUP_INFO_GID], [
2111 LB2_LINUX_TEST_SRC([group_info_gid], [
2112 #include <linux/cred.h>
2115 p = ((struct group_info *)0)->gid;
2118 AC_DEFUN([LC_GROUP_INFO_GID], [
2119 AC_MSG_CHECKING([if 'struct group_info' has member 'gid'])
2120 LB2_LINUX_TEST_RESULT([group_info_gid], [
2121 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2122 [struct group_info has member gid])
2124 ]) # LC_GROUP_INFO_GID
2129 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2130 # added __vfs_{get,set,remove}xattr helpers
2132 AC_DEFUN([LC_SRC_VFS_SETXATTR], [
2133 LB2_LINUX_TEST_SRC([vfs_setxattr], [
2134 #include <linux/xattr.h>
2136 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2139 AC_DEFUN([LC_VFS_SETXATTR], [
2140 AC_MSG_CHECKING([if '__vfs_setxattr' helper is available])
2141 LB2_LINUX_TEST_RESULT([vfs_setxattr], [
2142 AC_DEFINE(HAVE_VFS_SETXATTR, 1, ['__vfs_setxattr' is available])
2144 ]) # LC_VFS_SETXATTR
2147 # LC_POSIX_ACL_UPDATE_MODE
2149 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2150 # posix_acl: Clear SGID bit when setting file permissions
2152 AC_DEFUN([LC_SRC_POSIX_ACL_UPDATE_MODE], [
2153 LB2_LINUX_TEST_SRC([posix_acl_update_mode], [
2154 #include <linux/fs.h>
2155 #include <linux/posix_acl.h>
2157 posix_acl_update_mode(NULL, NULL, NULL);
2160 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2161 AC_MSG_CHECKING([if 'posix_acl_update_mode' exists])
2162 LB2_LINUX_TEST_RESULT([posix_acl_update_mode], [
2163 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2164 ['posix_acl_update_mode' is available])
2166 ]) # LC_POSIX_ACL_UPDATE_MODE
2169 # LC_HAVE_BDI_IO_PAGES
2171 # Kernel version 4.9 commit 9491ae4aade6814afcfa67f4eb3e3342c2b39750
2172 # mm: don't cap request size based on read-ahead setting
2173 # This patch introduces a bdi hint, io_pages.
2175 AC_DEFUN([LC_SRC_HAVE_BDI_IO_PAGES], [
2176 LB2_LINUX_TEST_SRC([bdi_has_io_pages], [
2177 #include <linux/backing-dev.h>
2179 struct backing_dev_info info;
2184 AC_DEFUN([LC_HAVE_BDI_IO_PAGES], [
2185 AC_MSG_CHECKING([if 'struct backing_dev_info' has 'io_pages' field])
2186 LB2_LINUX_TEST_RESULT([bdi_has_io_pages], [
2187 AC_DEFINE(HAVE_BDI_IO_PAGES, 1,
2188 [backing_dev_info has io_pages])
2190 ]) # LC_HAVE_BDI_IO_PAGES
2193 # LC_IOP_GENERIC_READLINK
2195 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2196 # removed generic_readlink from individual file systems
2198 AC_DEFUN([LC_SRC_IOP_GENERIC_READLINK], [
2199 LB2_LINUX_TEST_SRC([inode_ops_readlink], [
2200 #include <linux/fs.h>
2202 struct inode_operations iop;
2203 iop.readlink = generic_readlink;
2206 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2207 AC_MSG_CHECKING([if 'generic_readlink' still exist])
2208 LB2_LINUX_TEST_RESULT([inode_ops_readlink], [
2209 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2210 [generic_readlink has been removed])
2212 ]) # LC_IOP_GENERIC_READLINK
2215 # LC_HAVE_VM_FAULT_ADDRESS
2217 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2218 # removed virtual_address field. Need to use address field instead
2220 AC_DEFUN([LC_SRC_HAVE_VM_FAULT_ADDRESS], [
2221 LB2_LINUX_TEST_SRC([vm_fault_address], [
2222 #include <linux/mm.h>
2224 struct vm_fault vmf = { 0 };
2225 unsigned long addr = (unsigned long)vmf.address;
2229 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2230 AC_MSG_CHECKING([if 'struct vm_fault' replaced virtual_address with address field])
2231 LB2_LINUX_TEST_RESULT([vm_fault_address], [
2232 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2233 [virtual_address has been replaced by address field])
2235 ]) # LC_HAVE_VM_FAULT_ADDRESS
2238 # LC_INODEOPS_ENHANCED_GETATTR
2240 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2241 # expanded getattr to be able to get more stat information.
2243 AC_DEFUN([LC_SRC_INODEOPS_ENHANCED_GETATTR], [
2244 LB2_LINUX_TEST_SRC([getattr_path], [
2245 #include <linux/fs.h>
2249 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2252 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2253 AC_MSG_CHECKING([if 'inode_operations' getattr member can gather advance stats])
2254 LB2_LINUX_TEST_RESULT([getattr_path], [
2255 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2256 [inode_operations .getattr member function can gather advance stats])
2258 ]) # LC_INODEOPS_ENHANCED_GETATTR
2261 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2263 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2264 # removed struct vm_area_struct as an argument for vm_operations since
2265 # in the same kernel version struct vma_area_struct was folded into
2268 AC_DEFUN([LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2269 LB2_LINUX_TEST_SRC([vm_operations_no_vm_area_struct], [
2270 #include <linux/mm.h>
2272 struct vm_fault vmf;
2274 ((struct vm_operations_struct *)0)->fault(&vmf);
2275 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2278 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2279 AC_MSG_CHECKING([if 'struct vm_operations' removed struct vm_area_struct])
2280 LB2_LINUX_TEST_RESULT([vm_operations_no_vm_area_struct], [
2281 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2282 ['struct vm_operations' remove struct vm_area_struct argument])
2284 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2287 # LC_HAVE_KEY_USAGE_REFCOUNT
2289 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2290 # converted key.usage from atomic_t to refcount_t.
2292 AC_DEFUN([LC_SRC_HAVE_KEY_USAGE_REFCOUNT], [
2293 LB2_LINUX_TEST_SRC([key_usage_refcount], [
2294 #include <linux/key.h>
2296 struct key key = { };
2298 refcount_read(&key.usage);
2301 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2302 AC_MSG_CHECKING([if 'key.usage' is refcount_t])
2303 LB2_LINUX_TEST_RESULT([key_usage_refcount], [
2304 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1,
2305 [key.usage is of type refcount_t])
2307 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2310 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2312 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2313 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2315 AC_DEFUN([LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2316 LB2_LINUX_TEST_SRC([crypto_max_alg_name], [
2317 #include <linux/crypto.h>
2319 #if CRYPTO_MAX_ALG_NAME != 128
2324 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2325 AC_MSG_CHECKING([if 'CRYPTO_MAX_ALG_NAME' is 128])
2326 LB2_LINUX_TEST_RESULT([crypto_max_alg_name], [
2327 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2328 ['CRYPTO_MAX_ALG_NAME' is 128])
2330 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2333 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2334 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2337 AC_DEFUN([LC_SRC_CURRENT_TIME], [
2338 LB2_LINUX_TEST_SRC([current_time], [
2339 #include <linux/fs.h>
2343 attr.ia_atime = current_time(NULL);
2346 AC_DEFUN([LC_CURRENT_TIME], [
2347 AC_MSG_CHECKING([if CURRENT_TIME has been replaced with current_time])
2348 LB2_LINUX_TEST_RESULT([current_time], [
2349 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2350 [current_time() has replaced CURRENT_TIME])
2352 ]) # LIBCFS_CURRENT_TIME
2355 # LC_HAVE_GET_INODE_USAGE
2357 # Kernel version v4.12-rc2-43-g7a9ca53aea10
2359 AC_DEFUN([LC_SRC_HAVE_GET_INODE_USAGE], [
2360 LB2_LINUX_TEST_SRC([get_inode_usage], [
2362 #include <linux/quota.h>
2364 struct dquot_operations ops = { };
2366 ops.get_inode_usage(NULL, NULL);
2369 AC_DEFUN([LC_HAVE_GET_INODE_USAGE], [
2370 AC_MSG_CHECKING([if get_inode_usage exists])
2371 LB2_LINUX_TEST_RESULT([get_inode_usage], [
2372 AC_DEFINE(HAVE_GET_INODE_USAGE, 1,
2373 [get_inode_usage function exists])
2375 ]) # LC_HAVE_GET_INODE_USAGE
2378 # LC_SUPER_SETUP_BDI_NAME
2380 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2381 # unified bdi handling
2383 AC_DEFUN([LC_SRC_SUPER_SETUP_BDI_NAME], [
2384 LB2_LINUX_TEST_SRC([super_setup_bdi_name], [
2385 #include <linux/fs.h>
2387 super_setup_bdi_name(NULL, "lustre");
2390 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2391 AC_MSG_CHECKING([if 'super_setup_bdi_name' exist])
2392 LB2_LINUX_TEST_RESULT([super_setup_bdi_name], [
2393 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2394 ['super_setup_bdi_name' is available])
2396 ]) # LC_SUPER_SETUP_BDI_NAME
2401 # 4.12 replace bi_error to bi_status
2403 AC_DEFUN([LC_SRC_BI_STATUS], [
2404 LB2_LINUX_TEST_SRC([bi_status], [
2405 #include <linux/blk_types.h>
2407 ((struct bio *)0)->bi_status = 0;
2410 AC_DEFUN([LC_BI_STATUS], [
2411 AC_MSG_CHECKING([if 'bi_status' exist])
2412 LB2_LINUX_TEST_RESULT([bi_status], [
2413 AC_DEFINE(HAVE_BI_STATUS, 1, ['bi_status' is available])
2418 # LC_BIO_INTEGRITY_ENABLED
2420 # 4.13 removed bio_integrity_enabled
2422 AC_DEFUN([LC_SRC_BIO_INTEGRITY_ENABLED], [
2423 LB2_LINUX_TEST_SRC([bio_integrity_enabled], [
2424 #include <linux/bio.h>
2426 bio_integrity_enabled(NULL);
2429 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2430 AC_MSG_CHECKING([if 'bio_integrity_enabled' exist])
2431 LB2_LINUX_TEST_RESULT([bio_integrity_enabled], [
2432 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2433 ['bio_integrity_enabled' is available])
2435 ]) # LC_BIO_INTEGRITY_ENABLED
2438 # LC_PAGEVEC_INIT_ONE_PARAM
2440 # 4.14 pagevec_init takes one parameter
2442 AC_DEFUN([LC_SRC_PAGEVEC_INIT_ONE_PARAM], [
2443 LB2_LINUX_TEST_SRC([pagevec_init], [
2444 #include <linux/pagevec.h>
2449 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2450 AC_MSG_CHECKING([if 'pagevec_init' takes one parameter])
2451 LB2_LINUX_TEST_RESULT([pagevec_init], [
2452 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2453 ['pagevec_init' takes one parameter])
2455 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2460 # 4.14 replaced bi_bdev to bi_disk
2462 AC_DEFUN([LC_SRC_BI_BDEV], [
2463 LB2_LINUX_TEST_SRC([bi_bdev], [
2464 #include <linux/bio.h>
2466 ((struct bio *)0)->bi_bdev = NULL;
2469 AC_DEFUN([LC_BI_BDEV], [
2470 AC_MSG_CHECKING([if 'bi_bdev' exist])
2471 LB2_LINUX_TEST_RESULT([bi_bdev], [
2472 AC_DEFINE(HAVE_BI_BDEV, 1, ['bi_bdev' is available])
2477 # LC_INTERVAL_TREE_CACHED
2479 # 4.14 f808c13fd3738948e10196496959871130612b61
2480 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2482 AC_DEFUN([LC_SRC_INTERVAL_TREE_CACHED], [
2483 LB2_LINUX_TEST_SRC([itree_cached], [
2484 #include <linux/interval_tree_generic.h>
2485 struct foo { struct rb_node rb; int last; int a,b;};
2486 #define START(n) ((n)->a)
2487 #define LAST(n) ((n)->b)
2488 struct rb_root_cached tree;
2489 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2490 START, LAST, , foo);
2492 foo_insert(NULL, &tree);
2495 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2496 AC_MSG_CHECKING([if interval_trees use rb_tree_cached])
2497 LB2_LINUX_TEST_RESULT([itree_cached], [
2498 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2499 [interval trees use rb_tree_cached])
2501 ]) # LC_INTERVAL_TREE_CACHED
2506 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2508 AC_DEFUN([LC_IS_ENCRYPTED], [
2509 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2511 #include <linux/fs.h>
2513 IS_ENCRYPTED((struct inode *)0);
2515 has_is_encrypted="yes"
2517 ]) # LC_IS_ENCRYPTED used by LC_CONFIG_CRYPTO
2522 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2524 AC_DEFUN([LC_SRC_I_PAGES], [
2525 LB2_LINUX_TEST_SRC([i_pages], [
2526 #include <linux/fs.h>
2528 struct address_space mapping = {};
2531 i_pages = &mapping.i_pages;
2534 AC_DEFUN([LC_I_PAGES], [
2535 AC_MSG_CHECKING([if struct address_space has i_pages])
2536 LB2_LINUX_TEST_RESULT([i_pages], [
2537 AC_DEFINE(HAVE_I_PAGES, 1, [struct address_space has i_pages])
2544 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2545 # mm: create the new vm_fault_t type
2547 AC_DEFUN([LC_SRC_VM_FAULT_T], [
2548 LB2_LINUX_TEST_SRC([vm_fault_t], [
2549 #include <linux/mm_types.h>
2551 vm_fault_t x = VM_FAULT_SIGBUS;
2555 AC_DEFUN([LC_VM_FAULT_T], [
2556 AC_MSG_CHECKING([if vm_fault_t type exists])
2557 LB2_LINUX_TEST_RESULT([vm_fault_t], [
2558 AC_DEFINE(HAVE_VM_FAULT_T, 1, [if vm_fault_t type exists])
2565 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2566 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2568 AC_DEFUN([LC_SRC_VM_FAULT_RETRY], [
2569 LB2_LINUX_TEST_SRC([VM_FAULT_RETRY], [
2570 #include <linux/mm.h>
2572 #ifndef VM_FAULT_RETRY
2578 AC_DEFUN([LC_VM_FAULT_RETRY], [
2579 AC_MSG_CHECKING([if VM_FAULT_RETRY is defined])
2580 LB2_LINUX_TEST_RESULT([VM_FAULT_RETRY], [
2581 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2582 [if VM_FAULT_RETRY is defined])
2584 ]) # LC_VM_FAULT_RETRY
2587 # LC_ALLOC_FILE_PSEUDO
2589 # kernel 4.18-rc1 commit d93aa9d82aea80b80f225dbf9c7986df444d8106
2590 # new wrapper: alloc_file_pseudo()
2592 AC_DEFUN([LC_SRC_ALLOC_FILE_PSEUDO], [
2593 LB2_LINUX_TEST_SRC([alloc_file_pseudo], [
2594 #include <linux/file.h>
2597 file = alloc_file_pseudo(NULL, NULL, "[test]",
2601 AC_DEFUN([LC_ALLOC_FILE_PSEUDO], [
2602 AC_MSG_CHECKING([if 'alloc_file_pseudo' is defined])
2603 LB2_LINUX_TEST_RESULT([alloc_file_pseudo], [
2604 AC_DEFINE(HAVE_ALLOC_FILE_PSEUDO, 1,
2605 ['alloc_file_pseudo' exist])
2607 ]) # LC_ALLOC_FILE_PSEUDO
2610 # LC_INODE_TIMESPEC64
2612 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2613 # fs: add timespec64_truncate()
2614 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2615 # inode timestamps switched to timespec64
2616 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2617 # y2038: remove unused time interfaces
2621 # When inode times are timespec64 stop using the deprecated
2624 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2625 # fs: Delete timespec64_trunc()
2627 AC_DEFUN([LC_SRC_INODE_TIMESPEC64], [
2628 LB2_LINUX_TEST_SRC([inode_timespec64], [
2629 #include <linux/fs.h>
2631 struct inode *inode = NULL;
2632 struct timespec64 ts = {0, 1};
2634 inode->i_atime = ts;
2638 AC_DEFUN([LC_INODE_TIMESPEC64], [
2639 AC_MSG_CHECKING([if inode timestamps are struct timespec64])
2640 LB2_LINUX_TEST_RESULT([inode_timespec64], [
2641 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2642 [inode times are using timespec64])
2644 ]) # LC_INODE_TIMESPEC64
2647 # LC_RADIX_TREE_TAG_SET
2649 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2650 # xarray: Add XArray marks - replaced radix_tree_tag_set
2652 AC_DEFUN([LC_SRC_RADIX_TREE_TAG_SET], [
2653 LB2_LINUX_TEST_SRC([radix_tree_tag_set], [
2654 #include <linux/fs.h>
2655 #include <linux/radix-tree.h>
2657 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2660 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2661 AC_MSG_CHECKING([if 'radix_tree_tag_set' exists])
2662 LB2_LINUX_TEST_RESULT([radix_tree_tag_set], [
2663 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2664 [radix_tree_tag_set exists])
2666 ]) # LC_RADIX_TREE_TAG_SET
2669 # LC_UAPI_LINUX_MOUNT_H
2671 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2672 # vfs: Suppress MS_* flag defs within the kernel ...
2674 AC_DEFUN([LC_SRC_UAPI_LINUX_MOUNT_H], [
2675 LB2_LINUX_TEST_SRC([uapi_linux_mount], [
2676 #include <uapi/linux/mount.h>
2682 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2683 AC_MSG_CHECKING([if MS_RDONLY was moved to uapi/linux/mount.h])
2684 LB2_LINUX_TEST_RESULT([uapi_linux_mount], [
2685 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2686 [if MS_RDONLY was moved to uapi/linux/mount.h])
2688 ]) # LC_UAPI_LINUX_MOUNT_H
2691 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2693 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2694 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2696 # Now that the reader functions are all RCU protected, use a regular
2697 # spinlock rather than a reader/writer lock.
2699 AC_DEFUN([LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2700 LB2_LINUX_TEST_SRC([hash_lock_isa_spinlock_t], [
2701 #include <linux/sunrpc/cache.h>
2703 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2707 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2708 AC_MSG_CHECKING([if cache_detail->hash_lock is a spinlock])
2709 LB2_LINUX_TEST_RESULT([hash_lock_isa_spinlock_t], [
2710 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2711 [if cache_detail->hash_lock is a spinlock])
2713 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2716 # LC_GENL_FAMILY_HAS_RESV_START_OP
2718 # Linux v5.0-11693-g3b0f31f2b8c9
2719 # genetlink: make policy common to family
2721 AC_DEFUN([LC_SRC_GENL_FAMILY_HAS_RESV_START_OP], [
2722 LB2_LINUX_TEST_SRC([genl_family_has_resv_start_op], [
2723 #include <net/genetlink.h>
2725 static const struct genl_family family = {
2726 .resv_start_op = 42,
2731 AC_DEFUN([LC_GENL_FAMILY_HAS_RESV_START_OP], [
2732 AC_MSG_CHECKING([if struct genl_family has resv_start_op member])
2733 LB2_LINUX_TEST_RESULT([genl_family_has_resv_start_op], [
2734 AC_DEFINE(GENL_FAMILY_HAS_RESV_START_OP, 1,
2735 [struct genl_family has resv_start_op member])
2737 ]) # LC_GENL_FAMILY_HAS_RESV_START_OP
2740 # LC_HAVE_BVEC_ITER_ALL
2742 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2743 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2745 AC_DEFUN([LC_SRC_HAVE_BVEC_ITER_ALL], [
2746 LB2_LINUX_TEST_SRC([struct_bvec_iter_all], [
2747 #include <linux/bvec.h>
2749 struct bvec_iter_all iter;
2753 AC_DEFUN([LC_HAVE_BVEC_ITER_ALL], [
2754 AC_MSG_CHECKING([if bvec_iter_all exists for multi-page bvec iternation])
2755 LB2_LINUX_TEST_RESULT([struct_bvec_iter_all], [
2756 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2757 [if bvec_iter_all exists for multi-page bvec iternation])
2759 ]) # LC_HAVE_BVEC_ITER_ALL
2762 # LC_ACCOUNT_PAGE_DIRTIED
2764 # After 5.2 kernel page dirtied is not exported
2766 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2767 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2768 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2769 [account_page_dirtied is exported])])
2770 ]) # LC_ACCOUNT_PAGE_DIRTIED
2773 # LC_KEYRING_SEARCH_4ARGS
2775 # Kernel 5.2 commit dcf49dbc8077
2776 # keys: Add a 'recurse' flag for keyring searches
2778 AC_DEFUN([LC_SRC_KEYRING_SEARCH_4ARGS], [
2779 LB2_LINUX_TEST_SRC([keyring_search_4args], [
2780 #include <linux/key.h>
2783 keyring_search(keyring, NULL, NULL, false);
2786 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2787 AC_MSG_CHECKING([if 'keyring_search' has 4 args])
2788 LB2_LINUX_TEST_RESULT([keyring_search_4args], [
2789 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2790 [keyring_search has 4 args])
2792 ]) # LC_KEYRING_SEARCH_4ARGS
2795 # LC_BIO_BI_PHYS_SEGMENTS
2797 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2798 # block: remove the bi_phys_segments field in struct bio
2800 AC_DEFUN([LC_SRC_BIO_BI_PHYS_SEGMENTS], [
2801 LB2_LINUX_TEST_SRC([bye_bio_bi_phys_segments], [
2802 #include <linux/bio.h>
2804 struct bio *bio = NULL;
2805 bio->bi_phys_segments++;
2808 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2809 AC_MSG_CHECKING([if struct bio has bi_phys_segments member])
2810 LB2_LINUX_TEST_RESULT([bye_bio_bi_phys_segments], [
2811 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2812 [struct bio has bi_phys_segments member])
2814 ]) # LC_BIO_BI_PHYS_SEGMENTS
2817 # LC_LM_COMPARE_OWNER_EXISTS
2819 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2820 # locks: Cleanup lm_compare_owner and lm_owner_key
2821 # removed lm_compare_owner
2823 AC_DEFUN([LC_SRC_LM_COMPARE_OWNER_EXISTS], [
2824 LB2_LINUX_TEST_SRC([lock_manager_ops_lm_compare_owner], [
2825 #include <linux/fs.h>
2827 struct lock_manager_operations lm_ops;
2828 lm_ops.lm_compare_owner = NULL;
2831 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2832 AC_MSG_CHECKING([if lock_manager_operations has lm_compare_owner])
2833 LB2_LINUX_TEST_RESULT([lock_manager_ops_lm_compare_owner], [
2834 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2835 [lock_manager_operations has lm_compare_owner])
2837 ]) # LC_LM_COMPARE_OWNER_EXISTS
2840 # LC_FSCRYPT_SUPPORT
2842 # 5.4 introduced fscrypt encryption policies v2
2844 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2845 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2847 #define __FS_HAS_ENCRYPTION 0
2848 #include <linux/fscrypt.h>
2850 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2852 has_fscrypt_support="yes"
2854 ]) # LC_FSCRYPT_SUPPORT used by LC_CONFIG_CRYPTO
2857 # LC_FSCRYPT_DIGESTED_NAME
2859 # Kernel 5.5-rc4 edc440e3d27fb31e6f9663cf413fad97d714c060
2860 # improved the format of no-key names. This results in the
2861 # removal of FSCRYPT_FNAME_DIGEST and FSCRYPT_FNAME_DIGEST_SIZE.
2863 AC_DEFUN([LC_SRC_FSCRYPT_DIGESTED_NAME], [
2864 LB2_LINUX_TEST_SRC([fscrypt_digested_name], [
2865 #include <linux/fscrypt.h>
2867 struct fscrypt_digested_name fname;
2872 AC_DEFUN([LC_FSCRYPT_DIGESTED_NAME], [
2873 AC_MSG_CHECKING([if fscrypt has 'struct fscrypt_digested_name'])
2874 LB2_LINUX_TEST_RESULT([fscrypt_digested_name], [
2875 AC_DEFINE(HAVE_FSCRYPT_DIGESTED_NAME, 1,
2876 ['struct fscrypt_digested_name' exists])
2878 ]) # LC_FSCRYPT_DIGESTED_NAME
2881 # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2883 # Kernel 5.7-rc7 ed318a6cc0b620440e65f48eb527dc3df7269ce4
2884 # replaces fscrypt_dummy_context_enabled() with
2885 # fscrypt_get_dummy_context(). Later kernels rename
2886 # fscrypt_get_dummy_context() to fscrypt_get_dummy_policy()
2887 # which is why we test fscrypt_dummy_context_enabled().
2889 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2890 LB2_LINUX_TEST_SRC([fscrypt_dummy_context_enabled], [
2891 #include <linux/fscrypt.h>
2893 fscrypt_dummy_context_enabled(NULL);
2896 AC_DEFUN([LC_FSCRYPT_DUMMY_CONTEXT_ENABLED], [
2897 AC_MSG_CHECKING([if fscrypt_dummy_context_enabled() exists])
2898 LB2_LINUX_TEST_RESULT([fscrypt_dummy_context_enabled], [
2899 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1,
2900 [fscrypt_dummy_context_enabled() exists])
2902 ]) # LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
2905 # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2907 # Kernel 5.9-rc4 8b10fe68985278de4926daa56ad6af701839e40a
2908 # removed the inode parameter for the fscrypt function
2909 # fscrypt_fname_alloc_buffer()
2911 AC_DEFUN([LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2912 LB2_LINUX_TEST_SRC([fscrypt_fname_alloc_buffer], [
2913 #include <linux/fscrypt.h>
2915 fscrypt_fname_alloc_buffer(0, NULL);
2918 AC_DEFUN([LC_FSCRYPT_FNAME_ALLOC_BUFFER], [
2919 AC_MSG_CHECKING([if fscrypt_fname_alloc_buffer() removed inode parameter])
2920 LB2_LINUX_TEST_RESULT([fscrypt_fname_alloc_buffer], [
2921 AC_DEFINE(HAVE_FSCRYPT_FNAME_ALLOC_BUFFER_NO_INODE, 1,
2922 [fscrypt_fname_alloc_buffer() does not have inode parameter])
2924 ]) # LC_FSCRYPT_FNAME_ALLOC_BUFFER
2927 # LC_FSCRYPT_SET_CONTEXT
2929 # Kernel 5.9-rc4 a992b20cd4ee360dbbe6f69339cb07146e4304d6
2930 # fscrypt_get_encryption_info() is not GFP_NOFS safe which
2931 # is used by fscrypt_inherit_context. Replace fscrypt_inherit_context,
2932 # with two new functions, fscrypt_prepare_new_inode() and
2933 # fscrypt_set_context()
2935 AC_DEFUN([LC_SRC_FSCRYPT_SET_CONTEXT], [
2936 LB2_LINUX_TEST_SRC([fscrypt_set_context], [
2937 #include <linux/fscrypt.h>
2939 fscrypt_set_context(NULL, NULL);
2940 fscrypt_prepare_new_inode(NULL, NULL, NULL);
2943 AC_DEFUN([LC_FSCRYPT_SET_CONTEXT], [
2944 AC_MSG_CHECKING([if 'fscrypt_set_context()' exists])
2945 LB2_LINUX_TEST_RESULT([fscrypt_set_context], [
2946 AC_DEFINE(HAVE_FSCRYPT_SET_CONTEXT, 1,
2947 [fscrypt_set_context() does exist])
2949 ]) # LC_FSCRYPT_SET_CONTEXT
2952 # LC_FSCRYPT_D_REVALIDATE
2954 # kernel 5.9-rc4 5b2a828b98ec1872799b1b4d82113c76a12d594f
2955 # exported fscrypt_d_revalidate()
2957 AC_DEFUN([LC_FSCRYPT_D_REVALIDATE], [
2958 LB_CHECK_EXPORT([fscrypt_d_revalidate], [fs/crypto/fname.c],
2959 [AC_DEFINE(HAVE_FSCRYPT_D_REVALIDATE, 1,
2960 [fscrypt_d_revalidate() is exported by the kernel])])
2961 ]) # LC_FSCRYPT_D_REVALIDATE
2964 # LC_FSCRYPT_NOKEY_NAME
2966 # kernel 5.9-rc4 70fb2612aab62d47e03f82eaa7384a8d30ca175d
2967 # renamed is_ciphertext_name to is_nokey_name
2969 AC_DEFUN([LC_SRC_FSCRYPT_NOKEY_NAME], [
2970 LB2_LINUX_TEST_SRC([fname_is_nokey_name], [
2971 #include <linux/fscrypt.h>
2973 struct fscrypt_name fname;
2975 fname.is_nokey_name = true;
2978 AC_DEFUN([LC_FSCRYPT_NOKEY_NAME], [
2979 AC_MSG_CHECKING([if struct fscrypt_name has is_nokey_name field])
2980 LB2_LINUX_TEST_RESULT([fname_is_nokey_name], [
2981 AC_DEFINE(HAVE_FSCRYPT_NOKEY_NAME, 1,
2982 [struct fscrypt_name has is_nokey_name field])
2984 ]) # LC_FSCRYPT_NOKEY_NAME
2987 # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
2988 # Kernel 5.9-rc4 c8c868abc91ff23f6f5c4444c419de7c277d77e1
2989 # changed fscrypt_set_test_dummy_encryption() take a 'const char *
2991 AC_DEFUN([LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
2992 LB2_LINUX_TEST_SRC([fscrypt_set_test_dummy_encryption], [
2993 #include <linux/fscrypt.h>
2996 fscrypt_set_test_dummy_encryption(NULL, arg, NULL);
2999 AC_DEFUN([LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG], [
3000 AC_MSG_CHECKING([if fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3001 LB2_LINUX_TEST_RESULT([fscrypt_set_test_dummy_encryption], [
3002 AC_DEFINE(HAVE_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG, 1,
3003 [fscrypt_set_test_dummy_encryption() take 'const char' parameter])
3005 ]) # LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3008 # LC_FSCRYPT_DUMMY_POLICY
3010 # Kernel 5.9-rc4 ac4acb1f4b2b6b7e8d913537cccec8789903e164
3011 # move the test dummy context for fscrypt_policy which is
3012 # also used by the user land interface.
3014 AC_DEFUN([LC_SRC_FSCRYPT_DUMMY_POLICY], [
3015 LB2_LINUX_TEST_SRC([fscrypt_free_dummy_policy], [
3016 #include <linux/fscrypt.h>
3018 fscrypt_free_dummy_policy(NULL);
3021 AC_DEFUN([LC_FSCRYPT_DUMMY_POLICY], [
3022 AC_MSG_CHECKING([if fscrypt_free_dummy_policy() exists])
3023 LB2_LINUX_TEST_RESULT([fscrypt_free_dummy_policy], [
3024 AC_DEFINE(HAVE_FSCRYPT_DUMMY_POLICY, 1,
3025 [fscrypt_free_dummy_policy() exists])
3027 ]) # LC_FSCRYPT_DUMMY_POLICY
3030 # LC_HAVE_ITER_FILE_SPLICE_WRITE
3032 # Linux commit v5.9-rc1-6-g36e2c7421f02
3033 # fs: don't allow splice read/write without explicit ops
3035 AC_DEFUN([LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE], [
3036 LB2_LINUX_TEST_SRC([iter_file_splice_write], [
3037 #include <linux/fs.h>
3039 (void)iter_file_splice_write(NULL, NULL, NULL, 1, 0);
3042 AC_DEFUN([LC_HAVE_ITER_FILE_SPLICE_WRITE], [
3043 AC_MSG_CHECKING([if iter_file_splice_write() exists])
3044 LB2_LINUX_TEST_RESULT([iter_file_splice_write], [
3045 AC_DEFINE(HAVE_ITER_FILE_SPLICE_WRITE, 1,
3046 ['iter_file_splice_write' exists])
3048 ]) # LC_HAVE_ITER_FILE_SPLICE_WRITE
3051 # LC_FSCRYPT_IS_NOKEY_NAME
3053 # Kernel 5.10-rc4 159e1de201b6fca10bfec50405a3b53a561096a8
3054 # introduced fscrypt_is_nokey_name() inline macro. While
3055 # introduced for 5.10 kernels it was backported to earlier
3056 # Ubuntu kernels. Also it hides the change introduced due
3057 # to git commit 501e43fbe for kernel 5.9 which also was
3058 # backported to earlier Ubuntu kernels.
3060 AC_DEFUN([LC_SRC_FSCRYPT_IS_NOKEY_NAME], [
3061 LB2_LINUX_TEST_SRC([fscrypt_is_no_key_name], [
3062 #include <linux/fscrypt.h>
3064 fscrypt_is_nokey_name(NULL);
3067 AC_DEFUN([LC_FSCRYPT_IS_NOKEY_NAME], [
3068 AC_MSG_CHECKING([if fscrypt_is_no_key_name() exists])
3069 LB2_LINUX_TEST_RESULT([fscrypt_is_no_key_name], [
3070 AC_DEFINE(HAVE_FSCRYPT_IS_NOKEY_NAME, 1,
3071 [fscrypt_is_nokey_name() exists])
3073 ]) # LC_FSCRYPT_IS_NOKEY_NAME
3076 # LC_FSCRYPT_PREPARE_READDIR
3078 # Kernel 5.10-rc4 ec0caa974cd092549ab282deb8ec7ea73b36eba0
3079 # replaced fscrypt_get_encryption_info() with
3080 # fscrypt_prepare_readdir()
3082 AC_DEFUN([LC_SRC_FSCRYPT_PREPARE_READDIR], [
3083 LB2_LINUX_TEST_SRC([fscrypt_prepare_readdir], [
3084 #include <linux/fscrypt.h>
3086 fscrypt_prepare_readdir(NULL);
3089 AC_DEFUN([LC_FSCRYPT_PREPARE_READDIR], [
3090 AC_MSG_CHECKING([if fscrypt_prepare_readdir() exists])
3091 LB2_LINUX_TEST_RESULT([fscrypt_prepare_readdir], [
3092 AC_DEFINE(HAVE_FSCRYPT_PREPARE_READDIR, 1,
3093 [fscrypt_prepare_readdir() exists])
3095 ]) # LC_FSCRYPT_PREPARE_READDIR
3100 # Linux: v5.11-rc5-9-g309dca309fc3
3101 # block: store a block_device pointer in struct bio
3102 # created bio_set_dev macro
3103 # Linux: v5.15-rc6-127-gcf6d6238cdd3
3104 # block: turn macro helpers into inline functions
3105 # created inline function(s).
3107 # Only provide a bio_set_dev it is is not proveded by the kernel
3109 AC_DEFUN([LC_SRC_BIO_SET_DEV], [
3110 LB2_LINUX_TEST_SRC([bio_set_dev], [
3111 #include <linux/bio.h>
3113 struct bio *bio = NULL;
3114 struct block_device *bdev = NULL;
3116 bio_set_dev(bio, bdev);
3119 AC_DEFUN([LC_BIO_SET_DEV], [
3120 AC_MSG_CHECKING([if 'bio_set_dev' is available])
3121 LB2_LINUX_TEST_RESULT([bio_set_dev], [
3122 AC_DEFINE(HAVE_BIO_SET_DEV, 1, ['bio_set_dev' is available])
3127 # LC_HAVE_USER_NAMESPACE_ARG
3129 # kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb
3130 # fs: make helpers idmap mount aware
3131 # Extend some inode methods with an additional user namespace argument.
3133 AC_DEFUN([LC_SRC_HAVE_USER_NAMESPACE_ARG], [
3134 LB2_LINUX_TEST_SRC([inode_ops_has_user_namespace_argument], [
3135 #include <linux/fs.h>
3137 ((struct inode_operations *)1)->getattr((struct user_namespace *)NULL,
3141 AC_DEFUN([LC_HAVE_USER_NAMESPACE_ARG], [
3142 AC_MSG_CHECKING([if 'inode_operations' members have user namespace argument])
3143 LB2_LINUX_TEST_RESULT([inode_ops_has_user_namespace_argument], [
3144 AC_DEFINE(HAVE_USER_NAMESPACE_ARG, 1,
3145 ['inode_operations' members have user namespace argument])
3147 ]) # LC_HAVE_USER_NAMESPACE_ARG
3150 # LC_HAVE_FILEATTR_GET
3152 # kernel 5.13 4c5b479975212065ef39786e115fde42847e95a9
3153 # vfs: add fileattr ops
3154 # Add inode operations to replace FS_IOC_[SG]ETFLAGS ioctl
3155 # The type signature of ->fileattr_set is not stable for the
3156 # first few iterations, so don't commit to a particular signature
3157 # here. Hopefully we will only want to support the final version.
3159 AC_DEFUN([LC_HAVE_FILEATTR_GET], [
3160 tmp_flags="$EXTRA_KCFLAGS"
3161 EXTRA_KCFLAGS="-Werror"
3162 LB_CHECK_COMPILE([if 'inode_operations' has fileattr_get (and fileattr_set)],
3164 #include <linux/fs.h>
3166 ((struct inode_operations *)1)->fileattr_get(NULL, NULL);
3168 AC_DEFINE(HAVE_FILEATTR_GET, 1,
3169 ['inode_operations' has fileattr_get and fileattr_set])
3171 EXTRA_KCFLAGS="$tmp_flags"
3172 ]) # LC_HAVE_FILEATTR_GET
3175 # LC_HAVE_GET_ACL_RCU_ARG
3177 # kernel 5.15 commit 0cad6246621b5887d5b33fea84219d2a71f2f99a
3178 # vfs: add rcu argument to ->get_acl() callback
3179 # Add a rcu argument to the ->get_acl() callback to allow
3180 # get_cached_acl_rcu() to call the ->get_acl() method.
3182 AC_DEFUN([LC_SRC_HAVE_GET_ACL_RCU_ARG], [
3183 LB2_LINUX_TEST_SRC([get_acl_rcu_argument], [
3184 #include <linux/fs.h>
3186 ((struct inode_operations *)1)->get_acl((struct inode *)NULL, 0, false);
3189 AC_DEFUN([LC_HAVE_GET_ACL_RCU_ARG], [
3190 AC_MSG_CHECKING([if 'get_acl' has a rcu argument])
3191 LB2_LINUX_TEST_RESULT([get_acl_rcu_argument], [
3192 AC_DEFINE(HAVE_GET_ACL_RCU_ARG, 1,
3193 ['get_acl' has a rcu argument])
3195 ]) # LC_HAVE_GET_ACL_RCU_ARG
3198 # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3200 # Linux v5.15-rc1-20-g15bf32398ad4
3201 # security: Return xattr name from security_dentry_init_security()
3203 AC_DEFUN([LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3204 LB2_LINUX_TEST_SRC([security_dentry_init_security_xattr_name_arg], [
3205 #include <linux/security.h>
3207 struct dentry *dentry = NULL;
3209 const struct qstr *name = NULL;
3210 const char *xattr_name = NULL;
3213 int rc = security_dentry_init_security(dentry, mode, name, &xattr_name,
3219 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG], [
3220 AC_MSG_CHECKING([if security_dentry_init_security() returns xattr name])
3221 LB2_LINUX_TEST_RESULT([security_dentry_init_security_xattr_name_arg], [
3222 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG, 1,
3223 [security_dentry_init_security() returns xattr name])
3225 ]) # LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3228 # LC_HAVE_KIOCB_COMPLETE_2ARGS
3230 # kernel v5.15-rc6-145-g6b19b766e8f0
3231 # fs: get rid of the res2 iocb->ki_complete argument
3233 AC_DEFUN([LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS], [
3234 LB2_LINUX_TEST_SRC([kiocb_ki_complete_2args], [
3235 #include <linux/fs.h>
3237 static void complete_fn(struct kiocb *iocb, long ret)
3243 struct kiocb *kio = NULL;
3245 kio->ki_complete = complete_fn;
3248 AC_DEFUN([LC_HAVE_KIOCB_COMPLETE_2ARGS], [
3249 AC_MSG_CHECKING([if kiocb->ki_complete() has 2 arguments])
3250 LB2_LINUX_TEST_RESULT([kiocb_ki_complete_2args], [
3251 AC_DEFINE(HAVE_KIOCB_COMPLETE_2ARGS, 1,
3252 [kiocb->ki_complete() has 2 arguments])
3254 ]) # LC_HAVE_KIOCB_COMPLETE_2ARGS
3257 # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3259 # Linux commit v5.16-rc4-44-g452e9e6992fe
3260 # filemap: Add filemap_remove_folio and __filemap_remove_folio
3262 # Also removes the export of delete_from_page_cache
3264 AC_DEFUN([LC_EXPORTS_DELETE_FROM_PAGE_CACHE], [
3265 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
3266 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
3267 [delete_from_page_cache is exported])])
3268 ]) # LC_EXPORTS_DELETE_FROM_PAGE_CACHE
3271 # LC_HAVE_INVALIDATE_FOLIO
3273 # linux commit v5.17-rc4-10-g128d1f8241d6
3274 # fs: Add invalidate_folio() aops method
3276 AC_DEFUN([LC_SRC_HAVE_INVALIDATE_FOLIO], [
3277 LB2_LINUX_TEST_SRC([address_spaace_operaions_invalidate_folio], [
3278 #include <linux/fs.h>
3280 struct address_space_operations *aops = NULL;
3281 struct folio *folio = NULL;
3282 aops->invalidate_folio(folio, 0, PAGE_SIZE);
3286 AC_DEFUN([LC_HAVE_INVALIDATE_FOLIO], [
3287 AC_MSG_CHECKING([if have address_spaace_operaions->invalidate_folio() member])
3288 LB2_LINUX_TEST_RESULT([address_spaace_operaions_invalidate_folio], [
3289 AC_DEFINE(HAVE_INVALIDATE_FOLIO, 1,
3290 [address_spaace_operaions->invalidate_folio() member exists])
3292 ]) # LC_HAVE_INVALIDATE_FOLIO
3295 # LC_HAVE_DIRTY_FOLIO
3297 # linux commit v5.17-rc4-38-g6f31a5a261db
3298 # fs: Add aops->dirty_folio
3299 # ... replaces ->set_page_dirty() with ->dirty_folio()
3301 AC_DEFUN([LC_SRC_HAVE_DIRTY_FOLIO], [
3302 LB2_LINUX_TEST_SRC([address_spaace_operaions_dirty_folio], [
3303 #include <linux/fs.h>
3305 struct address_space_operations *aops = NULL;
3306 struct address_space *mapping = NULL;
3307 struct folio *folio = NULL;
3308 bool dirty = aops->dirty_folio(mapping, folio);
3312 AC_DEFUN([LC_HAVE_DIRTY_FOLIO], [
3313 AC_MSG_CHECKING([if have address_spaace_operaions->dirty_folio() member])
3314 LB2_LINUX_TEST_RESULT([address_spaace_operaions_dirty_folio], [
3315 AC_DEFINE(HAVE_DIRTY_FOLIO, 1,
3316 [address_spaace_operaions->dirty_folio() member exists])
3318 ]) # LC_HAVE_DIRTY_FOLIO
3321 # LC_HAVE_ALLOC_INODE_SB
3323 # linux commit v5.17-49-g8b9f3ac5b01d
3324 # fs: introduce alloc_inode_sb() to allocate filesystems specific inode
3326 AC_DEFUN([LC_SRC_HAVE_ALLOC_INODE_SB], [
3327 LB2_LINUX_TEST_SRC([alloc_inode_sb], [
3328 #include <linux/fs.h>
3330 struct super_block *sb = NULL;
3331 struct kmem_cache *cache = NULL;
3333 (void)alloc_inode_sb(sb, cache, GFP_NOFS);
3336 AC_DEFUN([LC_HAVE_ALLOC_INODE_SB], [
3337 AC_MSG_CHECKING([if alloc_inode_sb() exists])
3338 LB2_LINUX_TEST_RESULT([alloc_inode_sb], [
3339 AC_DEFINE(HAVE_ALLOC_INODE_SB, 1,
3340 [alloc_inode_sb() exists])
3342 ]) # LC_HAVE_ALLOC_INODE_SB
3345 # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3347 # Linux commit v5.18-rc5-221-gb7446e7cf15f
3348 # fs: Remove aop flags parameter from grab_cache_page_write_begin()
3350 AC_DEFUN([LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3351 LB2_LINUX_TEST_SRC([grab_cache_page_write_begin_with_flags], [
3352 #include <linux/pagemap.h>
3354 struct address_space *mapping = NULL;
3355 (void)grab_cache_page_write_begin(mapping, 0, 1);
3358 AC_DEFUN([LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS], [
3359 AC_MSG_CHECKING([if grab_cache_page_write_begin() has flags argument])
3360 LB2_LINUX_TEST_RESULT([grab_cache_page_write_begin_with_flags], [
3361 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS, 1,
3362 [grab_cache_page_write_begin() has flags argument])
3364 ]) # LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3367 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3369 # Linux commit v5.18-rc5-241-g5efe7448a142
3370 # fs: Introduce aops->read_folio
3372 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3373 LB2_LINUX_TEST_SRC([address_space_operations_read_folio], [
3374 #include <linux/fs.h>
3376 struct address_space_operations *aops = NULL;
3377 struct file *file = NULL;
3378 struct folio *folio = NULL;
3379 int err = aops->read_folio(file, folio);
3383 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO], [
3384 AC_MSG_CHECKING([if struct address_space_operations() has read_folio()])
3385 LB2_LINUX_TEST_RESULT([address_space_operations_read_folio], [
3386 AC_DEFINE(HAVE_AOPS_READ_FOLIO, 1,
3387 [struct address_space_operations() has read_folio()])
3389 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3392 # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3394 # Linux commit v5.18-rc5-280-ge9b5b23e957e
3395 # fs: Change the type of filler_t
3397 AC_DEFUN([LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3398 LB2_LINUX_TEST_SRC([read_cache_page_filler_with_file], [
3399 #include <linux/pagemap.h>
3400 static inline int _filler(struct file *file, struct folio *f)
3405 struct address_space *mapping = NULL;
3406 struct file *file = NULL;
3407 struct page *page = read_cache_page(mapping, 0, _filler, file);
3411 AC_DEFUN([LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE], [
3412 AC_MSG_CHECKING([if read_cache_page() filler_t needs struct file])
3413 LB2_LINUX_TEST_RESULT([read_cache_page_filler_with_file], [
3414 AC_DEFINE(HAVE_READ_CACHE_PAGE_WANTS_FILE, 1,
3415 [read_cache_page() filler_t needs struct file])
3417 ]) # LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3420 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3422 # Linux commit v5.18-rc5-282-gfa29000b6b26
3423 # fs: Add aops->release_folio
3425 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3426 LB2_LINUX_TEST_SRC([address_space_operations_release_folio], [
3427 #include <linux/fs.h>
3429 struct address_space_operations *aops = NULL;
3430 struct folio *folio = NULL;
3431 int err = aops->release_folio(folio, GFP_KERNEL);
3435 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO], [
3436 AC_MSG_CHECKING([if struct address_space_operations() has release_folio()])
3437 LB2_LINUX_TEST_RESULT([address_space_operations_release_folio], [
3438 AC_DEFINE(HAVE_AOPS_RELEASE_FOLIO, 1,
3439 [struct address_space_operations() has release_folio()])
3441 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3446 # Linux commit v5.19-rc2-6-g868941b14441
3447 # fs: remove no_llseek
3449 AC_DEFUN([LC_SRC_HAVE_NO_LLSEEK], [
3450 LB2_LINUX_TEST_SRC([no_llseek], [
3451 #include <linux/fs.h>
3453 static const struct file_operations fops = {
3454 .llseek = &no_llseek,
3459 AC_DEFUN([LC_HAVE_NO_LLSEEK], [
3460 AC_MSG_CHECKING([if no_llseek() is available])
3461 LB2_LINUX_TEST_RESULT([no_llseek], [
3462 AC_DEFINE(HAVE_NO_LLSEEK, 1, [no_llseek() is available])
3464 ]) # LC_HAVE_NO_LLSEEK
3467 # LC_DQUOT_TRANSFER_WITH_USER_NS
3469 # Linux commit v5.19-rc3-6-g71e7b535b890
3470 # quota: port quota helpers mount ids
3472 AC_DEFUN([LC_SRC_DQUOT_TRANSFER_WITH_USER_NS], [
3473 LB2_LINUX_TEST_SRC([dquot_transfer], [
3474 #include <linux/quotaops.h>
3476 struct user_namespace *userns = NULL;
3477 struct inode *inode = NULL;
3478 struct iattr *iattr = NULL;
3479 int err __attribute__ ((unused));
3481 err = dquot_transfer(userns, inode, iattr);
3484 AC_DEFUN([LC_DQUOT_TRANSFER_WITH_USER_NS], [
3485 AC_MSG_CHECKING([if dquot_transfer() has user_ns argument])
3486 LB2_LINUX_TEST_RESULT([dquot_transfer], [
3487 AC_DEFINE(HAVE_DQUOT_TRANSFER_WITH_USER_NS, 1,
3488 [dquot_transfer() has user_ns argument])
3490 ]) # LC_DQUOT_TRANSFER_WITH_USER_NS
3493 # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3495 # Linux commit v5.19-rc3-392-g5490da4f06d1
3496 # fs: Add aops->migrate_folio
3498 AC_DEFUN([LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3499 LB2_LINUX_TEST_SRC([address_space_operations_migrate_folio], [
3500 #include <linux/fs.h>
3502 struct address_space_operations *aops = NULL;
3503 struct address_space *m = NULL;
3504 struct folio *src = NULL;
3505 struct folio *dst = NULL;
3506 int err = aops->migrate_folio(m, dst, src, MIGRATE_ASYNC);
3510 AC_DEFUN([LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO], [
3511 AC_MSG_CHECKING([if struct address_space_operations() has migrate_folio()])
3512 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3513 AC_DEFINE(HAVE_AOPS_MIGRATE_FOLIO, 1,
3514 [struct address_space_operations() has migrate_folio()])
3516 ]) # LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3519 # LC_REGISTER_SHRINKER_FORMAT_NAMED
3521 # Linux commit v5.19-rc4-52-ge33c267ab70d
3522 # mm: shrinkers: provide shrinkers with names
3524 AC_DEFUN([LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED], [
3525 LB2_LINUX_TEST_SRC([register_shrinker_format], [
3526 #include <linux/mm.h>
3528 if (register_shrinker(NULL, "lustre-%ps", __func__))
3529 unregister_shrinker(NULL);
3532 AC_DEFUN([LC_REGISTER_SHRINKER_FORMAT_NAMED], [
3533 AC_MSG_CHECKING([if register_shrinker() returns status])
3534 LB2_LINUX_TEST_RESULT([address_space_operations_migrate_folio], [
3535 AC_DEFINE(HAVE_REGISTER_SHRINKER_FORMAT_NAMED, 1,
3536 [register_shrinker() returns status])
3538 ]) # LC_REGISTER_SHRINKER_FORMAT_NAMED
3541 # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3543 # From Linux commit v5.19-rc5-17-g0c5fd887d2bb
3544 # acl: move idmapped mount fixup into vfs_{g,s}etxattr()
3545 # Until Linux commit v6.0-rc3-6-g6344e66970c6
3546 # xattr: constify value argument in vfs_setxattr()
3548 AC_DEFUN([LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3549 LB2_LINUX_TEST_SRC([vfs_setxattr_non_const_value_arg], [
3550 #include <linux/xattr.h>
3552 struct dentry *de = NULL;
3553 const char *name = "an.xattr";
3554 const void *value = NULL;
3555 int err = vfs_setxattr(&init_user_ns, de, name, value, 0, 0);
3558 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3559 AC_DEFUN([LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE], [
3560 AC_MSG_CHECKING([if vfs_setxattr() value argument is non-const])
3561 LB2_LINUX_TEST_RESULT([vfs_setxattr_non_const_value_arg], [
3562 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3564 [vfs_setxattr() value argument is const void *])
3566 AC_DEFINE([VFS_SETXATTR_VALUE(value)],
3567 [((void *)(value))],
3568 [vfs_setxattr() value argument is non-const])
3570 ]) # LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3573 # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3575 # Linux commit v5.19-10313-geba2d3d79829
3576 # get rid of non-advancing variants
3578 AC_DEFUN([LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3579 LB2_LINUX_TEST_SRC([iov_iter_get_pages_alloc2], [
3580 #include <linux/uio.h>
3582 struct iov_iter *iter = NULL;
3583 struct page ***pages = NULL;
3586 size_t result __attribute__ ((unused));
3587 result = iov_iter_get_pages_alloc2(iter, pages, maxsize, &start);
3590 AC_DEFUN([LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2], [
3591 AC_MSG_CHECKING([if iov_iter_get_pages_alloc2() is available])
3592 LB2_LINUX_TEST_RESULT([iov_iter_get_pages_alloc2], [
3593 AC_DEFINE(HAVE_IOV_ITER_GET_PAGES_ALLOC2, 1,
3594 [iov_iter_get_pages_alloc2() is available])
3596 ]) # LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3599 # LC_HAVE_GET_RANDOM_U32_AND_U64
3601 # Linux commit v4.10-rc3-6-gc440408cf690
3602 # random: convert get_random_int/long into get_random_u32/u64
3603 # Linux commit v6.0-11338-gde492c83cae0
3604 # prandom: remove unused functions
3606 AC_DEFUN([LC_SRC_HAVE_GET_RANDOM_U32_AND_U64], [
3607 LB2_LINUX_TEST_SRC([get_random_u32_and_u64], [
3608 #include <linux/random.h>
3610 u32 rand32 = get_random_u32();
3611 u64 rand64 = get_random_u64();
3616 AC_DEFUN([LC_HAVE_GET_RANDOM_U32_AND_U64], [
3617 AC_MSG_CHECKING([if get_random_u32() and get_random_u64() are available])
3618 LB2_LINUX_TEST_RESULT([get_random_u32_and_u64], [
3619 AC_DEFINE(HAVE_GET_RANDOM_U32_AND_U64, 1,
3620 [get_random_[u32|u64] are available])
3622 AC_DEFINE([get_random_u32()], [prandom_u32()],
3623 [get_random_u32() is not available, use prandom_u32])
3625 ]) # LC_HAVE_GET_RANDOM_U32_AND_U64
3628 # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3630 # Linux commit v6.0-rc1-2-g25885a35a720
3631 # Change calling conventions for filldir_t
3633 AC_DEFUN([LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3634 LB2_LINUX_TEST_SRC([filldir_ctx_return_bool], [
3635 #include <linux/fs.h>
3637 bool filldir(struct dir_context *ctx, const char* name,
3638 int i, loff_t off, u64 tmp, unsigned temp)
3643 struct dir_context ctx = {
3647 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
3650 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL], [
3651 AC_MSG_CHECKING([if filldir_t uses struct dir_context and returns bool])
3652 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3653 AC_DEFINE(HAVE_FILLDIR_USE_CTX_RETURN_BOOL, 1,
3654 [filldir_t needs struct dir_context and returns bool])
3655 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
3656 [filldir_t needs struct dir_context as argument])
3657 AC_DEFINE(FILLDIR_TYPE, bool,
3658 [filldir_t return type is bool or int])
3660 AC_DEFINE(FILLDIR_TYPE, int,
3661 [filldir_t return type is bool or int])
3663 ]) # LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3666 # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3668 # Linux commit v6.0-rc3-94-g35b471467f88
3669 # filemap: add filemap_get_folios_contig()
3671 AC_DEFUN([LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3672 LB2_LINUX_TEST_SRC([filemap_get_folios_contig], [
3673 #include <linux/pagemap.h>
3675 struct address_space *m = NULL;
3677 struct folio_batch *fbatch = NULL;
3678 (void)filemap_get_folios_contig(m, &start, ULONG_MAX, fbatch);
3681 AC_DEFUN([LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG], [
3682 AC_MSG_CHECKING([if filemap_get_folios_contig() is available])
3683 LB2_LINUX_TEST_RESULT([filldir_ctx_return_bool], [
3684 AC_DEFINE(HAVE_FILEMAP_GET_FOLIOS_CONTIG, 1,
3685 [filemap_get_folios_contig() is available])
3687 ]) # LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3692 # Lustre linux kernel checks
3694 AC_DEFUN([LC_PROG_LINUX_SRC], [
3695 AS_IF([test "x$enable_gss" != xno], [
3696 LC_SRC_KEY_TYPE_INSTANTIATE_2ARGS
3697 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_MD5])
3698 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA1])
3699 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA256])
3700 LB2_SRC_CHECK_CONFIG_IM([CRYPTO_SHA512])
3702 AS_IF([test "x$enable_server" != xno], [
3706 LC_SRC_CONFIG_FHANDLE
3707 LC_SRC_POSIX_ACL_CONFIG
3708 LC_SRC_HAVE_PROJECT_QUOTA
3711 LC_SRC_INVALIDATE_RANGE
3712 LC_SRC_HAVE_DIR_CONTEXT
3713 LC_SRC_D_COMPARE_5ARGS
3715 LC_SRC_PID_NS_FOR_CHILDREN
3718 LC_SRC_OLDSIZE_TRUNCATE_PAGECACHE
3719 LC_SRC_PTR_ERR_OR_ZERO_MISSING
3720 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_LIST
3721 LC_SRC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
3722 LC_SRC_HAVE_DENTRY_D_CHILD
3723 LC_SRC_KIOCB_KI_LEFT
3724 LC_SRC_REGISTER_SHRINKER_RET
3727 LC_SRC_VFS_RENAME_5ARGS
3728 LC_SRC_VFS_UNLINK_3ARGS
3729 LC_SRC_HAVE_D_IS_POSITIVE
3732 LC_SRC_HAVE_BVEC_ITER
3733 LC_SRC_HAVE_TRUNCATE_IPAGES_FINAL
3734 LC_SRC_IOPS_RENAME_WITH_FLAGS
3738 LC_SRC_VFS_RENAME_6ARGS
3741 LC_SRC_DIRECTIO_USE_ITER
3742 LC_SRC_HAVE_IOV_ITER_INIT_DIRECTION
3743 LC_SRC_HAVE_IOV_ITER_TRUNCATE
3744 LC_SRC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3745 LC_SRC_PAGECACHE_GET_PAGE
3748 LC_SRC_HAVE_INTERVAL_BLK_INTEGRITY
3749 LC_SRC_KEY_MATCH_DATA
3750 LC_SRC_HAVE_BLK_INTEGRITY_ITER
3753 LC_SRC_NFS_FILLDIR_USE_CTX
3754 LC_SRC_PERCPU_COUNTER_INIT
3757 LC_SRC_KIOCB_HAS_NBYTES
3758 LC_SRC_HAVE_DQUOT_QC_DQBLK
3759 LC_SRC_HAVE_AIO_COMPLETE
3760 LC_SRC_HAVE_IS_ROOT_INODE
3763 LC_SRC_BACKING_DEV_INFO_REMOVAL
3764 LC_SRC_HAVE_BDI_CAP_MAP_COPY
3768 LC_SRC_HAVE___BI_CNT
3771 LC_SRC_BIO_ENDIO_USES_ONE_ARG
3772 LC_SRC_SYMLINK_OPS_USE_NAMEIDATA
3773 LC_SRC_ACCOUNT_PAGE_DIRTIED_3ARGS
3774 LC_SRC_HAVE_CRYPTO_ALLOC_SKCIPHER
3777 LC_SRC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3778 LC_SRC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3779 LC_SRC_HAVE_CACHE_HEAD_HLIST
3780 LC_SRC_HAVE_XATTR_HANDLER_SIMPLIFIED
3783 LC_SRC_HAVE_LOCKS_LOCK_FILE_WAIT
3784 LC_SRC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3785 LC_SRC_HAVE_XATTR_HANDLER_NAME
3786 LC_SRC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
3788 LC_SRC_HAVE_SUBMIT_BIO_2ARGS
3789 LC_SRC_HAVE_CLEAN_BDEV_ALIASES
3792 LC_SRC_HAVE_FILE_DENTRY
3795 LC_SRC_HAVE_INODE_LOCK
3796 LC_SRC_HAVE_IOP_GET_LINK
3797 LC_SRC_HAVE_IN_COMPAT_SYSCALL
3798 LC_SRC_HAVE_XATTR_HANDLER_INODE_PARAM
3799 LC_SRC_LOCK_PAGE_MEMCG
3800 LC_SRC_HAVE_DOWN_WRITE_KILLABLE
3805 LC_SRC_DIRECTIO_2ARGS
3806 LC_SRC_GENERIC_WRITE_SYNC_2ARGS
3807 LC_SRC_FOP_ITERATE_SHARED
3810 LC_SRC_HAVE_POSIX_ACL_VALID_USER_NS
3811 LC_SRC_D_COMPARE_4ARGS
3812 LC_SRC_FULL_NAME_HASH_3ARGS
3813 LC_SRC_STRUCT_POSIX_ACL_XATTR
3817 LC_SRC_GROUP_INFO_GID
3819 LC_SRC_POSIX_ACL_UPDATE_MODE
3820 LC_SRC_HAVE_BDI_IO_PAGES
3823 LC_SRC_IOP_GENERIC_READLINK
3824 LC_SRC_HAVE_VM_FAULT_ADDRESS
3827 LC_SRC_INODEOPS_ENHANCED_GETATTR
3828 LC_SRC_VM_OPERATIONS_REMOVE_VMF_ARG
3829 LC_SRC_HAVE_KEY_USAGE_REFCOUNT
3830 LC_SRC_HAVE_CRYPTO_MAX_ALG_NAME_128
3834 LC_SRC_SUPER_SETUP_BDI_NAME
3838 LC_SRC_BIO_INTEGRITY_ENABLED
3839 LC_SRC_HAVE_GET_INODE_USAGE
3842 LC_SRC_PAGEVEC_INIT_ONE_PARAM
3844 LC_SRC_INTERVAL_TREE_CACHED
3848 LC_SRC_VM_FAULT_RETRY
3852 LC_SRC_INODE_TIMESPEC64
3853 LC_SRC_ALLOC_FILE_PSEUDO
3856 LC_SRC_RADIX_TREE_TAG_SET
3857 LC_SRC_UAPI_LINUX_MOUNT_H
3858 LC_SRC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
3861 LC_SRC_GENL_FAMILY_HAS_RESV_START_OP
3864 LC_SRC_HAVE_BVEC_ITER_ALL
3867 LC_SRC_KEYRING_SEARCH_4ARGS
3870 LC_SRC_BIO_BI_PHYS_SEGMENTS
3871 LC_SRC_LM_COMPARE_OWNER_EXISTS
3874 LC_SRC_FSCRYPT_DIGESTED_NAME
3877 LC_SRC_FSCRYPT_DUMMY_CONTEXT_ENABLED
3880 LC_SRC_FSCRYPT_FNAME_ALLOC_BUFFER
3881 LC_SRC_FSCRYPT_SET_CONTEXT
3882 LC_SRC_FSCRYPT_NOKEY_NAME
3883 LC_SRC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
3884 LC_SRC_FSCRYPT_DUMMY_POLICY
3885 LC_SRC_HAVE_ITER_FILE_SPLICE_WRITE
3888 LC_SRC_FSCRYPT_IS_NOKEY_NAME
3889 LC_SRC_FSCRYPT_PREPARE_READDIR
3895 LC_SRC_HAVE_USER_NAMESPACE_ARG
3898 LC_SRC_HAVE_GET_ACL_RCU_ARG
3901 LC_SRC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
3902 LC_SRC_HAVE_KIOCB_COMPLETE_2ARGS
3905 LC_SRC_HAVE_INVALIDATE_FOLIO
3906 LC_SRC_HAVE_DIRTY_FOLIO
3909 LC_SRC_HAVE_ALLOC_INODE_SB
3912 LC_SRC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
3913 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
3914 LC_SRC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
3915 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
3918 LC_SRC_HAVE_NO_LLSEEK
3919 LC_SRC_DQUOT_TRANSFER_WITH_USER_NS
3920 LC_SRC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
3921 LC_SRC_REGISTER_SHRINKER_FORMAT_NAMED
3922 LC_SRC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
3923 LC_SRC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
3926 LC_SRC_HAVE_GET_RANDOM_U32_AND_U64
3927 LC_SRC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
3928 LC_SRC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
3930 # kernel patch to extend integrity interface
3931 LC_SRC_BIO_INTEGRITY_PREP_FN
3934 AC_DEFUN([LC_PROG_LINUX_RESULTS], [
3935 AS_IF([test "x$enable_gss" != xno], [
3936 LC_KEY_TYPE_INSTANTIATE_2ARGS
3938 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_MD5], [],
3940 [kernel MD5 support is recommended by using GSS.])])
3941 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
3943 [kernel SHA1 support is recommended by using GSS.])])
3944 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
3946 [kernel SHA256 support is recommended by using GSS.])])
3947 LB2_TEST_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
3949 [kernel SHA512 support is recommended by using GSS.])])
3951 AS_IF([test "x$enable_server" != xno], [
3957 LC_HAVE_PROJECT_QUOTA
3964 LC_HAVE_DENTRY_D_U_D_ALIAS_LIST
3965 LC_HAVE_DENTRY_D_U_D_ALIAS_HLIST
3966 LC_HAVE_DENTRY_D_CHILD
3967 LC_PID_NS_FOR_CHILDREN
3970 LC_OLDSIZE_TRUNCATE_PAGECACHE
3971 LC_PTR_ERR_OR_ZERO_MISSING
3973 LC_REGISTER_SHRINKER_RET
3978 LC_HAVE_D_IS_POSITIVE
3982 LC_HAVE_TRUNCATE_IPAGES_FINAL
3983 LC_IOPS_RENAME_WITH_FLAGS
3990 LC_DIRECTIO_USE_ITER
3991 LC_HAVE_IOV_ITER_INIT_DIRECTION
3992 LC_HAVE_IOV_ITER_TRUNCATE
3993 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3994 LC_PAGECACHE_GET_PAGE
3997 LC_HAVE_INTERVAL_BLK_INTEGRITY
3999 LC_HAVE_BLK_INTEGRITY_ITER
4002 LC_PERCPU_COUNTER_INIT
4003 LC_NFS_FILLDIR_USE_CTX
4007 LC_HAVE_DQUOT_QC_DQBLK
4008 LC_HAVE_AIO_COMPLETE
4009 LC_HAVE_IS_ROOT_INODE
4012 LC_BACKING_DEV_INFO_REMOVAL
4013 LC_HAVE_BDI_CAP_MAP_COPY
4020 LC_BIO_ENDIO_USES_ONE_ARG
4021 LC_SYMLINK_OPS_USE_NAMEIDATA
4022 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
4023 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
4026 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
4027 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
4028 LC_HAVE_CACHE_HEAD_HLIST
4029 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
4032 LC_HAVE_LOCKS_LOCK_FILE_WAIT
4033 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
4034 LC_HAVE_XATTR_HANDLER_NAME
4036 LC_HAVE_SUBMIT_BIO_2ARGS
4037 LC_HAVE_CLEAN_BDEV_ALIASES
4044 LC_HAVE_IOP_GET_LINK
4047 LC_HAVE_IN_COMPAT_SYSCALL
4048 LC_HAVE_XATTR_HANDLER_INODE_PARAM
4050 LC_HAVE_DOWN_WRITE_KILLABLE
4056 LC_GENERIC_WRITE_SYNC_2ARGS
4057 LC_FOP_ITERATE_SHARED
4060 LC_HAVE_POSIX_ACL_VALID_USER_NS
4062 LC_FULL_NAME_HASH_3ARGS
4063 LC_STRUCT_POSIX_ACL_XATTR
4069 LC_POSIX_ACL_UPDATE_MODE
4070 LC_HAVE_BDI_IO_PAGES
4073 LC_IOP_GENERIC_READLINK
4074 LC_HAVE_VM_FAULT_ADDRESS
4077 LC_INODEOPS_ENHANCED_GETATTR
4078 LC_VM_OPERATIONS_REMOVE_VMF_ARG
4079 LC_HAVE_KEY_USAGE_REFCOUNT
4080 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
4084 LC_SUPER_SETUP_BDI_NAME
4088 LC_BIO_INTEGRITY_ENABLED
4089 LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
4090 LC_HAVE_GET_INODE_USAGE
4093 LC_PAGEVEC_INIT_ONE_PARAM
4095 LC_INTERVAL_TREE_CACHED
4103 LC_ALLOC_FILE_PSEUDO
4107 LC_RADIX_TREE_TAG_SET
4108 LC_UAPI_LINUX_MOUNT_H
4109 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
4112 LC_GENL_FAMILY_HAS_RESV_START_OP
4115 LC_HAVE_BVEC_ITER_ALL
4118 LC_KEYRING_SEARCH_4ARGS
4121 LC_BIO_BI_PHYS_SEGMENTS
4122 LC_LM_COMPARE_OWNER_EXISTS
4125 LC_FSCRYPT_DIGESTED_NAME
4128 LC_FSCRYPT_DUMMY_CONTEXT_ENABLED
4131 LC_HAVE_ITER_FILE_SPLICE_WRITE
4134 LC_FSCRYPT_FNAME_ALLOC_BUFFER
4135 LC_FSCRYPT_SET_CONTEXT
4136 LC_FSCRYPT_D_REVALIDATE
4137 LC_FSCRYPT_NOKEY_NAME
4138 LC_FSCRYPT_SET_TEST_DUMMY_ENC_CHAR_ARG
4139 LC_FSCRYPT_DUMMY_POLICY
4142 LC_FSCRYPT_IS_NOKEY_NAME
4143 LC_FSCRYPT_PREPARE_READDIR
4149 LC_HAVE_USER_NAMESPACE_ARG
4152 LC_HAVE_FILEATTR_GET
4155 LC_HAVE_GET_ACL_RCU_ARG
4158 LC_HAVE_SECURITY_DENTRY_INIT_WITH_XATTR_NAME_ARG
4159 LC_HAVE_KIOCB_COMPLETE_2ARGS
4160 LC_EXPORTS_DELETE_FROM_PAGE_CACHE
4163 LC_HAVE_INVALIDATE_FOLIO
4167 LC_HAVE_ALLOC_INODE_SB
4170 LC_GRAB_CACHE_PAGE_WRITE_BEGIN_WITH_FLAGS
4171 LC_HAVE_ADDRESS_SPACE_OPERATIONS_READ_FOLIO
4172 LC_HAVE_READ_CACHE_PAGE_FILLER_WITH_FILE
4173 LC_HAVE_ADDRESS_SPACE_OPERATIONS_RELEASE_FOLIO
4177 LC_DQUOT_TRANSFER_WITH_USER_NS
4178 LC_HAVE_ADDRESS_SPACE_OPERATIONS_MIGRATE_FOLIO
4179 LC_REGISTER_SHRINKER_FORMAT_NAMED
4180 LC_HAVE_VFS_SETXATTR_NON_CONST_VALUE
4181 LC_HAVE_IOV_ITER_GET_PAGES_ALLOC2
4184 LC_HAVE_GET_RANDOM_U32_AND_U64
4185 LC_NFS_FILLDIR_USE_CTX_RETURN_BOOL
4186 LC_HAVE_FILEMAP_GET_FOLIOS_CONTIG
4188 # kernel patch to extend integrity interface
4189 LC_BIO_INTEGRITY_PREP_FN
4195 # Lustre linux kernel checks
4197 AC_DEFUN([LC_PROG_LINUX], [
4198 AC_MSG_NOTICE([Lustre kernel checks
4199 ==============================================================================])
4204 LC_CONFIG_HEALTH_CHECK_WRITE
4205 LC_CONFIG_LRU_RESIZE
4208 LC_GLIBC_SUPPORT_FHANDLES
4209 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
4213 # 4.1.0 - Check export
4214 LC_HAVE_SYNC_READ_WRITE
4216 # 4.8 - Check export
4217 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
4219 # 5.2 - Check export
4220 LC_ACCOUNT_PAGE_DIRTIED
4227 # Check whether to build the client side of Lustre
4229 AC_DEFUN([LC_CONFIG_CLIENT], [
4230 AC_MSG_CHECKING([whether to build Lustre client support])
4231 AC_ARG_ENABLE([client],
4232 AS_HELP_STRING([--disable-client],
4233 [disable Lustre client support]),
4234 [], [enable_client="yes"])
4235 AC_MSG_RESULT([$enable_client])
4236 ]) # LC_CONFIG_CLIENT
4241 AC_DEFUN([LB_CONFIG_MPITESTS], [
4242 AC_ARG_ENABLE([mpitests],
4243 AS_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
4244 [include mpi tests]), [
4245 enable_mpitests="yes"
4248 MPICC_WRAPPER="mpicc"
4249 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4252 enable_mpitests="no"
4256 MPICC_WRAPPER=$enableval
4257 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
4261 enable_mpitests="yes"
4262 MPICC_WRAPPER="mpicc"
4263 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
4266 if test "x$enable_mpitests" != "xno"; then
4269 AC_CACHE_CHECK([whether mpitests can be built],
4270 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
4274 MPI_Initialized(&flag);
4277 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
4279 enable_mpitests=$lb_cv_mpi_tests
4283 AC_SUBST(MPICC_WRAPPER)
4284 ]) # LB_CONFIG_MPITESTS
4289 # whether to enable quota support global control
4291 AC_DEFUN([LC_ENABLE_QUOTA], [
4292 AC_MSG_CHECKING([whether to enable quota support global control])
4293 AC_ARG_ENABLE([quota],
4294 AS_HELP_STRING([--enable-quota],
4295 [enable quota support]),
4296 [], [enable_quota="yes"])
4297 AS_IF([test "x$enable_quota" = xyes],
4298 [AC_MSG_RESULT([yes])],
4299 [AC_MSG_RESULT([no])])
4300 ]) # LC_ENABLE_QUOTA
4305 AC_DEFUN([LC_QUOTA], [
4309 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
4310 AC_CHECK_HEADER([sys/quota.h],
4311 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
4312 [Define to 1 if you have <sys/quota.h>.])],
4313 [AC_MSG_ERROR([did not find <sys/quota.h> on your system])])
4320 # configure support for optional OSD implementation
4322 AC_DEFUN([LC_OSD_ADDON], [
4323 AC_MSG_CHECKING([whether to use OSD addon])
4325 AS_HELP_STRING([--with-osd=path],
4326 [set path to optional osd]),
4333 OSDADDON="$with_osd"
4340 AS_IF([test $ENABLEOSDADDON -eq 0], [
4344 OSDMODNAME=$(basename $OSDADDON)
4345 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
4346 AC_MSG_RESULT([cannot link])
4348 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
4349 AC_MSG_RESULT([$OSDMODNAME])
4350 OSDADDON="obj-m += $OSDMODNAME/"
4352 AC_MSG_RESULT([cannot link])
4362 # Check whether to enable Lustre client crypto
4364 AC_DEFUN([LC_CONFIG_CRYPTO], [
4365 AC_MSG_CHECKING([whether to enable Lustre client crypto])
4366 AC_ARG_ENABLE([crypto],
4367 AS_HELP_STRING([--enable-crypto=yes|no|in-kernel],
4368 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
4369 [], [enable_crypto="auto"])
4370 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
4374 LC_FSCRYPT_SUPPORT])
4375 AS_IF([test "x$enable_crypto" = xin-kernel], [
4376 AS_IF([test "x$has_fscrypt_support" = xyes], [
4377 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
4378 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
4379 enable_crypto=no])],
4380 [AS_IF([test "x$has_is_encrypted" = xyes], [
4381 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
4382 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
4383 AC_DEFINE(HAVE_FSCRYPT_DUMMY_CONTEXT_ENABLED, 1, [embedded llcrypt uses llcrypt_dummy_context_enabled()])
4384 enable_crypto="embedded-llcrypt"
4385 enable_llcrypt=yes], [
4386 AS_IF([test "x$enable_crypto" = xyes],
4387 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
4388 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
4389 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
4390 enable_crypto=no])])
4391 AS_IF([test "x$enable_dist" != xno], [
4393 enable_llcrypt=yes])
4394 AC_MSG_RESULT([$enable_crypto])
4395 ]) # LC_CONFIG_CRYPTO
4400 # other configure checks
4402 AC_DEFUN([LC_CONFIGURE], [
4403 AC_MSG_NOTICE([Lustre core checks
4404 ==============================================================================])
4406 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
4407 [CFLAGS="$CFLAGS -Wall -Werror"])
4409 # maximum MDS thread count
4412 # lustre/utils/gss/gss_util.c
4413 # lustre/utils/gss/gssd_proc.c
4414 # lustre/utils/gss/krb5_util.c
4415 # lustre/utils/llog_reader.c
4416 # lustre/utils/create_iam.c
4417 # lustre/utils/libiam.c
4418 AC_CHECK_HEADERS([netdb.h endian.h])
4419 AC_CHECK_FUNCS([gethostbyname])
4421 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
4422 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
4423 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
4425 ext2fs.h not found. Please install e2fsprogs development package.
4430 # lustre/tests/statx_test.c
4431 AC_CHECK_FUNCS([statx])
4433 # lustre/utils/lfs.c
4434 AS_IF([test "$enable_dist" = "no"], [
4435 AC_CHECK_LIB([z], [crc32], [
4436 AC_CHECK_HEADER([zlib.h], [], [
4437 AC_MSG_ERROR([zlib.h not found.])])
4440 zlib library not found. Please install zlib development package.])
4446 AC_CHECK_LIB([selinux], [is_selinux_enabled],
4447 [AC_CHECK_HEADERS([selinux/selinux.h],
4448 [SELINUX="-lselinux"
4449 AC_DEFINE([HAVE_SELINUX], 1,
4450 [support for selinux ])],
4453 No libselinux-devel package found, unable to build selinux enabled tools
4458 No selinux package found, unable to build selinux enabled tools
4463 AC_CHECK_LIB([keyutils], [add_key])
4466 AC_MSG_CHECKING([whether to report minimum OST free space])
4467 AC_ARG_ENABLE([mindf],
4468 AS_HELP_STRING([--enable-mindf],
4469 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
4470 [], [enable_mindf="no"])
4471 AC_MSG_RESULT([$enable_mindf])
4472 AS_IF([test "$enable_mindf" = "yes"],
4473 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
4475 AC_MSG_CHECKING([whether to randomly failing memory alloc])
4476 AC_ARG_ENABLE([fail_alloc],
4477 AS_HELP_STRING([--disable-fail-alloc],
4478 [disable randomly alloc failure]),
4479 [], [enable_fail_alloc="yes"])
4480 AC_MSG_RESULT([$enable_fail_alloc])
4481 AS_IF([test "x$enable_fail_alloc" != xno],
4482 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
4483 [enable randomly alloc failure])])
4485 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
4486 AC_ARG_ENABLE([invariants],
4487 AS_HELP_STRING([--enable-invariants],
4488 [enable invariant checking (cpu intensive)]),
4489 [], [enable_invariants="no"])
4490 AC_MSG_RESULT([$enable_invariants])
4491 AS_IF([test "x$enable_invariants" = xyes],
4492 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
4493 [enable invariant checking])])
4495 AC_MSG_CHECKING([whether to track references with lu_ref])
4496 AC_ARG_ENABLE([lu_ref],
4497 AS_HELP_STRING([--enable-lu_ref],
4498 [enable lu_ref reference tracking code]),
4499 [], [enable_lu_ref="no"])
4500 AC_MSG_RESULT([$enable_lu_ref])
4501 AS_IF([test "x$enable_lu_ref" = xyes],
4502 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
4503 [enable lu_ref reference tracking code])])
4505 AC_MSG_CHECKING([whether to enable page state tracking])
4506 AC_ARG_ENABLE([pgstate-track],
4507 AS_HELP_STRING([--enable-pgstate-track],
4508 [enable page state tracking]),
4509 [], [enable_pgstat_track="no"])
4510 AC_MSG_RESULT([$enable_pgstat_track])
4511 AS_IF([test "x$enable_pgstat_track" = xyes],
4512 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
4513 [enable page state tracking code])])
4516 AC_MSG_CHECKING([systemd unit file directory])
4517 AC_ARG_WITH([systemdsystemunitdir],
4518 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
4519 [Directory for systemd service files])],
4520 [], [with_systemdsystemunitdir=auto])
4521 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
4522 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
4523 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
4524 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
4525 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
4526 with_systemdsystemunitdir=no],
4527 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
4528 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
4529 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
4530 AC_MSG_RESULT([$with_systemdsystemunitdir])
4532 AC_MSG_CHECKING([bash-completion directory])
4533 AC_ARG_WITH([bash-completion-dir],
4534 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
4535 [Install the bash auto-completion script in this directory.]),
4537 [with_bash_completion_dir=yes])
4538 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
4539 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
4540 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
4541 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
4544 BASH_COMPLETION_DIR="$with_bash_completion_dir"
4546 AC_SUBST([BASH_COMPLETION_DIR])
4547 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
4553 # AM_CONDITIONALS for lustre
4555 AC_DEFUN([LC_CONDITIONALS], [
4556 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
4557 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
4558 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
4559 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
4560 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
4561 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
4562 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
4563 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
4564 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
4565 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
4566 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
4567 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
4568 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
4569 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
4570 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
4571 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
4572 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
4573 ]) # LC_CONDITIONALS
4578 # files that should be generated with AC_OUTPUT
4580 AC_DEFUN([LC_CONFIG_FILES],
4584 lustre/autoconf/Makefile
4585 lustre/conf/Makefile
4586 lustre/conf/resource/Makefile
4587 lustre/contrib/Makefile
4589 lustre/include/Makefile
4590 lustre/include/lustre/Makefile
4591 lustre/include/uapi/linux/lustre/Makefile
4592 lustre/kernel_patches/targets/5.14-rhel9.2.target
4593 lustre/kernel_patches/targets/5.14-rhel9.1.target
4594 lustre/kernel_patches/targets/5.14-rhel9.0.target
4595 lustre/kernel_patches/targets/4.18-rhel8.8.target
4596 lustre/kernel_patches/targets/4.18-rhel8.7.target
4597 lustre/kernel_patches/targets/4.18-rhel8.6.target
4598 lustre/kernel_patches/targets/4.18-rhel8.5.target
4599 lustre/kernel_patches/targets/4.18-rhel8.4.target
4600 lustre/kernel_patches/targets/4.18-rhel8.3.target
4601 lustre/kernel_patches/targets/4.18-rhel8.2.target
4602 lustre/kernel_patches/targets/4.18-rhel8.1.target
4603 lustre/kernel_patches/targets/4.18-rhel8.target
4604 lustre/kernel_patches/targets/3.10-rhel7.9.target
4605 lustre/kernel_patches/targets/3.10-rhel7.8.target
4606 lustre/kernel_patches/targets/3.10-rhel7.7.target
4607 lustre/kernel_patches/targets/3.10-rhel7.6.target
4608 lustre/kernel_patches/targets/3.10-rhel7.5.target
4609 lustre/kernel_patches/targets/4.14-rhel7.5.target
4610 lustre/kernel_patches/targets/4.14-rhel7.6.target
4611 lustre/kernel_patches/targets/4.12-sles12sp4.target
4612 lustre/kernel_patches/targets/4.12-sles12sp5.target
4613 lustre/kernel_patches/targets/4.12-sles15sp1.target
4614 lustre/kernel_patches/targets/5.3-sles15sp2.target
4615 lustre/kernel_patches/targets/5.3-sles15sp3.target
4616 lustre/kernel_patches/targets/5.14-sles15sp4.target
4617 lustre/kernel_patches/targets/3.x-fc18.target
4618 lustre/kernel_patches/targets/5.10-oe2203.target
4619 lustre/ldlm/Makefile
4620 lustre/ldlm/autoMakefile
4621 lustre/ec/autoMakefile
4624 lustre/fid/autoMakefile
4625 lustre/llite/Makefile
4626 lustre/llite/autoMakefile
4628 lustre/lov/autoMakefile
4630 lustre/mdc/autoMakefile
4632 lustre/lmv/autoMakefile
4633 lustre/lfsck/Makefile
4634 lustre/lfsck/autoMakefile
4636 lustre/mdt/autoMakefile
4638 lustre/mdd/autoMakefile
4640 lustre/fld/autoMakefile
4641 lustre/obdclass/Makefile
4642 lustre/obdclass/autoMakefile
4643 lustre/obdecho/Makefile
4644 lustre/obdecho/autoMakefile
4646 lustre/ofd/autoMakefile
4648 lustre/osc/autoMakefile
4650 lustre/ost/autoMakefile
4651 lustre/osd-ldiskfs/Makefile
4652 lustre/osd-ldiskfs/autoMakefile
4653 lustre/osd-zfs/Makefile
4654 lustre/osd-zfs/autoMakefile
4656 lustre/mgc/autoMakefile
4658 lustre/mgs/autoMakefile
4659 lustre/target/Makefile
4660 lustre/target/autoMakefile
4661 lustre/ptlrpc/Makefile
4662 lustre/ptlrpc/autoMakefile
4663 lustre/ptlrpc/gss/Makefile
4664 lustre/ptlrpc/gss/autoMakefile
4665 lustre/quota/Makefile
4666 lustre/quota/autoMakefile
4667 lustre/scripts/Makefile
4668 lustre/scripts/systemd/Makefile
4669 lustre/tests/Makefile
4670 lustre/tests/mpi/Makefile
4671 lustre/tests/iabf/Makefile
4672 lustre/tests/lutf/Makefile
4673 lustre/tests/lutf/src/Makefile
4674 lustre/tests/kernel/Makefile
4675 lustre/tests/kernel/autoMakefile
4676 lustre/utils/Makefile
4677 lustre/utils/gss/Makefile
4679 lustre/osp/autoMakefile
4681 lustre/lod/autoMakefile
4683 ]) # LC_CONFIG_FILES