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], [
72 AC_MSG_CHECKING([if 'struct getinfo_fid2path' has anony•mous union])
73 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
74 #include <linux/lustre/lustre_idl.h>
77 struct getinfo_fid2path gf;
78 struct lu_fid root_fid;
80 *gf.gf_root_fid = root_fid;
84 AC_DEFINE(HAVE_FID2PATH_ANON_UNIONS, 1, [union is unnamed])
87 ]) # LC_FID2PATH_ANON_UNION
92 AC_DEFUN([LC_IOC_REMOVE_ENTRY], [
93 AC_MSG_CHECKING([if ioctl IOC_REMOVE_ENTRY' is supported])
94 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
95 #include <sys/ioctl.h>
96 #include <linux/lustre/lustre_ioctl.h>
99 return ioctl(0, LL_IOC_REMOVE_ENTRY, NULL);
102 AC_DEFINE(HAVE_IOC_REMOVE_ENTRY, 1,
103 [IOC_REMOVE_ENTRY ioctl exists])
105 ]) # LC_IOC_REMOVE_ENTRY
110 # Ensure the stack size is at least 8k in Lustre server (all kernels)
112 AC_DEFUN([LC_STACK_SIZE], [
113 LB_CHECK_COMPILE([if stack size is at least 8k],
115 #include <linux/thread_info.h>
117 #if THREAD_SIZE < 8192
118 #error "stack size < 8192"
120 ], [], [AC_MSG_ERROR([
122 Lustre requires that Linux is configured with at least a 8KB stack.
129 # Allow the user to set the MDS thread upper limit
131 AC_DEFUN([LC_MDS_MAX_THREADS], [
132 AC_MSG_CHECKING([for maximum number of MDS threads])
133 AC_ARG_WITH([mds_max_threads],
134 AC_HELP_STRING([--with-mds-max-threads=count],
135 [maximum threads available on the MDS: (default=512)]),
136 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
137 [maximum number of MDS threads])])
138 AC_MSG_RESULT([$with_mds_max_threads])
139 ]) # LC_MDS_MAX_THREADS
144 # the pinger is temporary, until we have the recovery node in place
146 AC_DEFUN([LC_CONFIG_PINGER], [
147 AC_MSG_CHECKING([whether to enable Lustre pinger support])
148 AC_ARG_ENABLE([pinger],
149 AC_HELP_STRING([--disable-pinger],
150 [disable recovery pinger support]),
151 [], [enable_pinger="yes"])
152 AC_MSG_RESULT([$enable_pinger])
153 AS_IF([test "x$enable_pinger" != xno],
154 [AC_DEFINE(CONFIG_LUSTRE_FS_PINGER, 1,[Use the Pinger])])
155 ]) # LC_CONFIG_PINGER
160 # do checksum of bulk data between client and OST
162 AC_DEFUN([LC_CONFIG_CHECKSUM], [
163 AC_MSG_CHECKING([whether to enable data checksum support])
164 AC_ARG_ENABLE([checksum],
165 AC_HELP_STRING([--disable-checksum],
166 [disable data checksum support]),
167 [], [enable_checksum="yes"])
168 AC_MSG_RESULT([$enable_checksum])
169 AS_IF([test "x$enable_checksum" != xno],
170 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
171 ]) # LC_CONFIG_CHECKSUM
176 # enable distributed flock by default
178 AC_DEFUN([LC_CONFIG_FLOCK], [
179 AC_MSG_CHECKING([whether to enable flock by default])
180 AC_ARG_ENABLE([flock],
181 AC_HELP_STRING([--disable-flock],
182 [disable flock by default]),
183 [], [enable_flock="yes"])
184 AC_MSG_RESULT([$enable_flock])
185 AS_IF([test "x$enable_flock" != xno],
186 [AC_DEFINE(ENABLE_FLOCK, 1, [enable flock by default])])
190 # LC_CONFIG_HEALTH_CHECK_WRITE
192 # Turn off the actual write to the disk
194 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
195 AC_MSG_CHECKING([whether to enable a write with the health check])
196 AC_ARG_ENABLE([health_write],
197 AC_HELP_STRING([--enable-health_write],
198 [enable disk writes when doing health check]),
199 [], [enable_health_write="no"])
200 AC_MSG_RESULT([$enable_health_write])
201 AS_IF([test "x$enable_health_write" != xno],
202 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
203 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
206 # LC_CONFIG_LRU_RESIZE
208 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
209 AC_MSG_CHECKING([whether to enable lru self-adjusting])
210 AC_ARG_ENABLE([lru_resize],
211 AC_HELP_STRING([--enable-lru-resize],
212 [enable lru resize support]),
213 [], [enable_lru_resize="yes"])
214 AC_MSG_RESULT([$enable_lru_resize])
215 AS_IF([test "x$enable_lru_resize" != xno],
216 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
217 ]) # LC_CONFIG_LRU_RESIZE
222 # Quota support. The kernel must support CONFIG_QUOTA.
224 AC_DEFUN([LC_QUOTA_CONFIG], [
225 LB_CHECK_CONFIG_IM([QUOTA], [],
228 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
235 # fhandle kernel support for open_by_handle_at() and name_to_handle_at()
236 # system calls. The kernel must support CONFIG_FHANDLE.
238 AC_DEFUN([LC_CONFIG_FHANDLE], [
239 LB_CHECK_CONFIG_IM([FHANDLE], [],
242 Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.
244 ]) # LC_CONFIG_FHANDLE
247 # LC_POSIX_ACL_CONFIG
251 AC_DEFUN([LC_POSIX_ACL_CONFIG], [
252 LB_CHECK_CONFIG_IM([FS_POSIX_ACL],
253 [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])
255 ]) # LC_POSIX_ACL_CONFIG
257 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
258 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
261 # LC_CONFIG_GSS_KEYRING
263 # default 'auto', tests for dependencies, if found, enables;
264 # only called if gss is enabled
266 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
267 AC_MSG_CHECKING([whether to enable gss keyring backend])
268 AC_ARG_ENABLE([gss_keyring],
269 [AC_HELP_STRING([--disable-gss-keyring],
270 [disable gss keyring backend])],
271 [], [enable_gss_keyring="auto"])
272 AC_MSG_RESULT([$enable_gss_keyring])
273 AS_IF([test "x$enable_gss_keyring" != xno], [
274 LB_CHECK_CONFIG_IM([KEYS], [], [
275 gss_keyring_conf_test="fail"
276 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
278 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
279 gss_keyring_conf_test="fail"
280 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
282 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
283 AC_DEFINE([HAVE_GSS_KEYRING], [1],
284 [Define this if you enable gss keyring backend])
285 enable_gss_keyring="yes"
287 AS_IF([test "x$enable_gss_keyring" = xyes], [
288 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
292 ]) # LC_CONFIG_GSS_KEYRING
295 # LC_KEY_TYPE_INSTANTIATE_2ARGS
297 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
299 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
300 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
301 key_type_instantiate_2args, [
302 #include <linux/key-type.h>
304 ((struct key_type *)0)->instantiate(0, NULL);
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$sunrpc_required" = xyes], [
319 kernel SUNRPC support is required by using GSS.
322 ]) # LC_CONFIG_SUNRPC
325 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
327 # Build gss and related tools of Lustre. Currently both kernel and user space
328 # parts are depend on linux platform.
330 AC_DEFUN([LC_CONFIG_GSS], [
331 AC_MSG_CHECKING([whether to enable gss support])
333 [AC_HELP_STRING([--enable-gss], [enable gss support])],
334 [], [enable_gss="auto"])
335 AC_MSG_RESULT([$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:-$PWD/_lpb}
349 AS_IF([test "x$enable_gss" != xno], [
350 LC_CONFIG_GSS_KEYRING
351 LC_KEY_TYPE_INSTANTIATE_2ARGS
352 sunrpc_required=$enable_gss
356 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
357 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
358 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
359 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
360 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
361 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
362 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
363 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
365 require_krb5=$enable_gss
369 AS_IF([test -n "$KRBDIR"], [
370 gss_conf_test="success"
372 gss_conf_test="failure"
375 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
376 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
379 enable_gss_keyring="no"
383 enable_ssk=$enable_gss
385 enable_gss_keyring="no"
391 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
392 AC_DEFUN([LC_OPENSSL_SSK], [
393 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
394 AS_IF([test "x$enable_ssk" != xno], [
395 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
396 #include <openssl/hmac.h>
397 #include <openssl/evp.h>
401 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
403 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
404 [OpenSSL HMAC functions needed for SSK])],
407 AC_MSG_RESULT([$enable_ssk])
410 # LC_OPENSSL_GETSEPOL
412 # OpenSSL is needed for l_getsepol
413 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
414 AC_MSG_CHECKING([whether openssl-devel is present])
415 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
416 #include <openssl/evp.h>
419 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
422 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
423 enable_getsepol="yes"
429 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
432 AC_MSG_RESULT([$enable_getsepol])
433 ]) # LC_OPENSSL_GETSEPOL
436 AC_DEFUN([LC_HAVE_LIBAIO], [
437 AC_CHECK_HEADER([libaio.h],
439 AC_MSG_WARN([libaio is not installed in the system]))
442 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
443 LB_CHECK_COMPILE([if get_projid exists],
446 #include <linux/quota.h>
448 struct dquot_operations ops = { };
450 ops.get_projid(NULL, NULL);
452 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
453 [get_projid function exists])
455 ]) # LC_HAVE_PROJECT_QUOTA
458 # LC_INVALIDATE_RANGE
460 # 3.11 invalidatepage requires the length of the range to invalidate
462 AC_DEFUN([LC_INVALIDATE_RANGE], [
463 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
464 address_space_ops_invalidatepage_3args, [
465 #include <linux/fs.h>
467 struct address_space_operations a_ops;
468 a_ops.invalidatepage(NULL, 0, 0);
470 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
471 [address_space_operations.invalidatepage needs 3 arguments])
473 ]) # LC_INVALIDATE_RANGE
476 # LC_HAVE_DIR_CONTEXT
478 # 3.11 readdir now takes the new struct dir_context
480 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
481 LB_CHECK_COMPILE([if 'dir_context' exist],
483 #include <linux/fs.h>
485 #ifdef FMODE_KABI_ITERATE
486 #error "back to use readdir in kabi_extand mode"
488 struct dir_context ctx;
493 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
496 ]) # LC_HAVE_DIR_CONTEXT
501 # 3.11 dentry_operations.d_compare() taken 5 arguments.
503 AC_DEFUN([LC_D_COMPARE_5ARGS], [
504 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
506 #include <linux/dcache.h>
508 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
510 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
511 [d_compare need 5 arguments])
513 ]) # LC_D_COMPARE_5ARGS
518 # 3.11 need to access d_count to get dentry reference count
520 AC_DEFUN([LC_HAVE_DCOUNT], [
521 LB_CHECK_COMPILE([if 'd_count' exists],
523 #include <linux/dcache.h>
525 struct dentry de = { };
528 count = d_count(&de);
530 AC_DEFINE(HAVE_D_COUNT, 1,
536 # LC_PID_NS_FOR_CHILDREN
538 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
540 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
541 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
542 pid_ns_for_children, [
543 #include <linux/nsproxy.h>
546 ns.pid_ns_for_children = NULL;
548 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
549 ['struct nsproxy' has 'pid_ns_for_children'])
551 ]) # LC_PID_NS_FOR_CHILDREN
554 # LC_OLDSIZE_TRUNCATE_PAGECACHE
556 # 3.12 truncate_pagecache without oldsize parameter
558 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
559 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
560 truncate_pagecache_old_size, [
561 #include <linux/mm.h>
563 truncate_pagecache(NULL, 0, 0);
565 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
568 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
573 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
574 # It was added to linux kernel 3.12
576 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
577 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
579 #include <linux/err.h>
581 if (PTR_ERR_OR_ZERO(NULL)) return 0;
583 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
584 ['PTR_ERR_OR_ZERO' exist])
586 ]) # LC_PTR_ERR_OR_ZERO_MISSING
589 # LC_HAVE_DENTRY_D_U_D_ALIAS
591 # 3.11 kernel moved d_alias to the union d_u in struct dentry
593 # Some distros move d_alias to d_u but it is still a struct list
595 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
596 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
597 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
599 #include <linux/list.h>
600 #include <linux/dcache.h>
603 INIT_LIST_HEAD(&de.d_u.d_alias);
605 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
606 [list dentry.d_u.d_alias exist])
609 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
611 #include <linux/list.h>
612 #include <linux/dcache.h>
615 INIT_HLIST_NODE(&de.d_u.d_alias);
617 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
618 [hlist dentry.d_u.d_alias exist])
621 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
624 # LC_HAVE_DENTRY_D_CHILD
626 # 3.11 kernel d_child has been moved out of the union d_u
629 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
630 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
632 #include <linux/list.h>
633 #include <linux/dcache.h>
636 INIT_LIST_HEAD(&de.d_child);
638 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
639 [dentry.d_child exist])
641 ]) # LC_HAVE_DENTRY_D_CHILD
646 # 3.12 ki_left removed from struct kiocb
648 AC_DEFUN([LC_KIOCB_KI_LEFT], [
649 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
651 #include <linux/aio.h>
653 ((struct kiocb*)0)->ki_left = 0;
655 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
658 ]) # LC_KIOCB_KI_LEFT
661 # LC_REGISTER_SHRINKER_RET
663 # v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
665 AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
666 LB_CHECK_COMPILE([if register_shrinker() returns status],
667 register_shrinker_ret, [
668 #include <linux/mm.h>
670 if (register_shrinker(NULL))
671 unregister_shrinker(NULL);
673 AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
674 [register_shrinker() returns status])
676 ]) # LC_REGISTER_SHRINKER_RET
679 # LC_VFS_RENAME_5ARGS
681 # 3.13 has vfs_rename with 5 args
683 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
684 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
686 #include <linux/fs.h>
688 vfs_rename(NULL, NULL, NULL, NULL, NULL);
690 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
691 [kernel has vfs_rename with 5 args])
693 ]) # LC_VFS_RENAME_5ARGS
696 # LC_VFS_UNLINK_3ARGS
698 # 3.13 has vfs_unlink with 3 args
700 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
701 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
703 #include <linux/fs.h>
705 vfs_unlink(NULL, NULL, NULL);
707 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
708 [kernel has vfs_unlink with 3 args])
710 ]) # LC_VFS_UNLINK_3ARGS
712 # LC_HAVE_D_IS_POSITIVE
714 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
715 # d_is_positive is added
717 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
718 LB_CHECK_COMPILE([if 'd_is_positive' exist],
720 #include <linux/dcache.h>
724 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
725 ['d_is_positive' is available])
727 ]) # LC_HAVE_D_IS_POSITIVE
732 # 3.14 move some of its data in struct bio into the new
735 AC_DEFUN([LC_HAVE_BVEC_ITER], [
736 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
738 #include <linux/bio.h>
740 struct bvec_iter iter;
742 iter.bi_bvec_done = 0;
744 AC_DEFINE(HAVE_BVEC_ITER, 1,
745 [kernel has struct bvec_iter])
747 ]) # LC_HAVE_BVEC_ITER
752 # 3.14 adds set_acl method to inode_operations
753 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
755 AC_DEFUN([LC_IOP_SET_ACL], [
756 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
758 #include <linux/fs.h>
760 struct inode_operations iop;
763 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
764 [inode_operations has .set_acl member function])
769 # LC_HAVE_TRUNCATE_IPAGE_FINAL
771 # 3.14 bring truncate_inode_pages_final for evict_inode
773 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
774 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
775 truncate_ipages_final, [
776 #include <linux/mm.h>
778 truncate_inode_pages_final(NULL);
780 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
781 [kernel has truncate_inode_pages_final])
783 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
786 # LC_IOPS_RENAME_WITH_FLAGS
788 # 3.14 has inode_operations->rename with 5 args
789 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
791 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
792 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
793 iops_rename_with_flags, [
794 #include <linux/fs.h>
796 struct inode *i1 = NULL, *i2 = NULL;
797 struct dentry *d1 = NULL, *d2 = NULL;
799 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
801 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
802 [inode_operations->rename need flags as argument])
804 ]) # LC_IOPS_RENAME_WITH_FLAGS
807 # LC_VFS_RENAME_6ARGS
809 # 3.15 has vfs_rename with 6 args
811 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
812 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
814 #include <linux/fs.h>
816 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
818 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
819 [kernel has vfs_rename with 6 args])
821 ]) # LC_VFS_RENAME_6ARGS
824 # LC_DIRECTIO_USE_ITER
826 # 3.16 kernel changes direct IO to use iov_iter
828 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
829 LB_CHECK_COMPILE([if direct IO uses iov_iter],
831 #include <linux/fs.h>
833 struct address_space_operations ops = { };
834 struct iov_iter *iter = NULL;
837 ops.direct_IO(0, NULL, iter, offset);
839 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
840 [direct IO uses iov_iter])
842 ]) # LC_DIRECTIO_USE_ITER
845 # LC_HAVE_IOV_ITER_INIT_DIRECTION
848 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
849 # changed iov_iter_init api to start accepting a tag
850 # that defines if its a read or write operation
852 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
853 tmp_flags="$EXTRA_KCFLAGS"
854 EXTRA_KCFLAGS="-Werror"
855 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
857 #include <linux/uio.h>
858 #include <linux/fs.h>
860 const struct iovec *iov = NULL;
862 iov_iter_init(NULL, READ, iov, 1, 0);
864 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
865 [iov_iter_init handles directional tag])
867 EXTRA_KCFLAGS="$tmp_flags"
868 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
871 # LC_HAVE_IOV_ITER_TRUNCATE
874 # 3.16 introduces a new API iov_iter_truncate()
876 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
877 tmp_flags="$EXTRA_KCFLAGS"
878 EXTRA_KCFLAGS="-Werror"
879 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
881 #include <linux/uio.h>
882 #include <linux/fs.h>
884 struct iov_iter *i = NULL;
886 iov_iter_truncate(i, 0);
888 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
890 EXTRA_KCFLAGS="$tmp_flags"
891 ]) # LC_HAVE_IOV_ITER_TRUNCATE
894 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
896 # 3.16 introduces [read|write]_iter to struct file_operations
898 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
899 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
900 file_function_iter, [
901 #include <linux/fs.h>
903 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
904 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
906 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
907 [file_operations.[read|write]_iter functions exist])
909 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
912 # LC_HAVE_INTERVAL_BLK_INTEGRITY
914 # 3.17 replace sector_size with interval in struct blk_integrity
916 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
917 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
918 interval_blk_integrity, [
919 #include <linux/blkdev.h>
921 ((struct blk_integrity *)0)->interval = 0;
923 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
924 [blk_integrity.interval exist])
926 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
931 # 3.17 replaces key_type::match with match_preparse
932 # and has new struct key_match_data
934 AC_DEFUN([LC_KEY_MATCH_DATA], [
935 LB_CHECK_COMPILE([if struct key_match field exist],
937 #include <linux/key-type.h>
939 struct key_match_data data;
941 data.raw_data = NULL;
943 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
944 [struct key_match_data exist])
946 ]) # LC_KEY_MATCH_DATA
949 # LC_NFS_FILLDIR_USE_CTX
951 # 3.18 kernel moved from void cookie to struct dir_context
953 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
954 tmp_flags="$EXTRA_KCFLAGS"
955 EXTRA_KCFLAGS="-Werror"
956 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
958 #include <linux/fs.h>
960 int filldir(struct dir_context *ctx, const char* name,
961 int i, loff_t off, u64 tmp, unsigned temp)
966 struct dir_context ctx = {
970 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
972 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
973 [filldir_t needs struct dir_context as argument])
975 EXTRA_KCFLAGS="$tmp_flags"
976 ]) # LC_NFS_FILLDIR_USE_CTX
979 # LC_PERCPU_COUNTER_INIT
981 # 3.18 For kernels 3.18 and after percpu_counter_init starts
982 # to pass a GFP_* memory allocation flag for internal
983 # memory allocation purposes.
985 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
986 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
987 percpu_counter_init, [
988 #include <linux/percpu_counter.h>
990 percpu_counter_init(NULL, 0, GFP_KERNEL);
992 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
993 [percpu_counter_init uses GFP_* flag])
995 ]) # LC_PERCPU_COUNTER_INIT
998 # LC_KIOCB_HAS_NBYTES
1000 # 3.19 kernel removed ki_nbytes from struct kiocb
1002 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1003 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
1005 #include <linux/fs.h>
1007 struct kiocb iocb = { };
1011 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1013 ]) # LC_KIOCB_HAS_NBYTES
1016 # LC_HAVE_DQUOT_QC_DQBLK
1018 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
1019 # Added in commit 14bf61ffe
1021 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
1022 tmp_flags="$EXTRA_KCFLAGS"
1023 EXTRA_KCFLAGS="-Werror"
1024 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
1026 #include <linux/fs.h>
1027 #include <linux/quota.h>
1029 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
1031 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
1032 [quotactl_ops.set_dqblk takes struct qc_dqblk])
1033 AC_DEFINE(HAVE_DQUOT_KQID, 1,
1034 [quotactl_ops.set_dqblk takes struct kqid])
1036 EXTRA_KCFLAGS="$tmp_flags"
1037 ]) # LC_HAVE_DQUOT_QC_DQBLK
1040 # LC_HAVE_AIO_COMPLETE
1042 # 3.19 kernel makes aio_complete() static
1044 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
1045 LB_CHECK_COMPILE([if kernel has exported aio_complete() ],
1047 #include <linux/aio.h>
1049 aio_complete(NULL, 0, 0);
1051 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
1053 ]) # LC_HAVE_AIO_COMPLETE
1056 # LC_HAVE_IS_ROOT_INODE
1058 # 3.19 kernel adds is_root_inode()
1059 # Commit a7400222e3eb ("new helper: is_root_inode()")
1061 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1062 LB_CHECK_COMPILE([if kernel has is_root_inode() ],
1064 #include <linux/fs.h>
1066 is_root_inode(NULL);
1068 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1070 ]) # LC_HAVE_IS_ROOT_INODE
1073 # LC_BACKING_DEV_INFO_REMOVAL
1075 # 3.20 kernel removed backing_dev_info from address_space
1077 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1078 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
1080 #include <linux/fs.h>
1082 struct address_space mapping;
1084 mapping.backing_dev_info = NULL;
1086 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1088 ]) # LC_BACKING_DEV_INFO_REMOVAL
1091 # LC_HAVE_BDI_CAP_MAP_COPY
1093 # 3.20 removed mmap handling for backing devices since
1094 # it breaks on non-MMU systems. See kernel commit
1095 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1097 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1098 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
1100 #include <linux/backing-dev.h>
1102 struct backing_dev_info info;
1104 info.capabilities = BDI_CAP_MAP_COPY;
1106 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1107 [BDI_CAP_MAP_COPY exist])
1109 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1114 # 4.1 kernel has iov_iter_rw
1116 AC_DEFUN([LC_IOV_ITER_RW], [
1117 LB_CHECK_COMPILE([if iov_iter_rw exist],
1119 #include <linux/fs.h>
1120 #include <linux/uio.h>
1122 struct iov_iter *iter = NULL;
1126 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
1127 [iov_iter_rw exist])
1132 # LC_HAVE_SYNC_READ_WRITE
1134 # 4.1 new_sync_[read|write] no longer exported
1136 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1137 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1138 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1139 [new_sync_[read|write] is exported by the kernel])])
1140 ]) # LC_HAVE_SYNC_READ_WRITE
1145 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1147 AC_DEFUN([LC_HAVE___BI_CNT], [
1148 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
1150 #include <asm/atomic.h>
1151 #include <linux/bio.h>
1152 #include <linux/blk_types.h>
1154 struct bio bio = { };
1156 cnt = atomic_read(&bio.__bi_cnt);
1158 AC_DEFINE(HAVE___BI_CNT, 1,
1159 [struct bio has __bi_cnt])
1161 ]) # LC_HAVE___BI_CNT
1164 # LC_SYMLINK_OPS_USE_NAMEIDATA
1166 # For the 4.2+ kernels the file system internal symlink api no
1167 # longer uses struct nameidata as a argument
1169 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1170 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
1171 symlink_use_nameidata, [
1172 #include <linux/namei.h>
1173 #include <linux/fs.h>
1175 struct nameidata *nd = NULL;
1177 ((struct inode_operations *)0)->follow_link(NULL, nd);
1178 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1180 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1181 [symlink inode operations need struct nameidata argument])
1183 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1186 # LC_BIO_ENDIO_USES_ONE_ARG
1188 # 4.2 kernel bio_endio now only takes one argument
1190 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1191 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
1193 #include <linux/bio.h>
1197 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1198 [bio_endio takes only one argument])
1200 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1203 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1205 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1207 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1208 LB_CHECK_COMPILE([if 'account_page_dirtied' with 3 args exists],
1209 account_page_dirtied, [
1210 #include <linux/mm.h>
1212 account_page_dirtied(NULL, NULL, NULL);
1214 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1215 [account_page_dirtied takes three arguments])
1217 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1220 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1222 # Kernel version 4.12 commit 7a7ffe65c8c5
1223 # introduced crypto_alloc_skcipher().
1225 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1226 LB_CHECK_COMPILE([if crypto_alloc_skcipher is defined],
1227 crypto_alloc_skcipher, [
1228 #include <crypto/skcipher.h>
1230 crypto_alloc_skcipher(NULL, 0, 0);
1232 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1233 [crypto_alloc_skcipher is defined])
1235 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1238 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1240 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1241 # 'struct blk_integrity_profile' is also added in this version,
1242 # thus use this to determine whether 'struct blk_integrity' has profile
1244 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1245 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
1246 blk_integrity_interval_exp, [
1247 #include <linux/blkdev.h>
1249 ((struct blk_integrity *)0)->interval_exp = 0;
1251 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1252 [blk_integrity.interval_exp exist])
1254 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1257 # LC_HAVE_CACHE_HEAD_HLIST
1259 # 4.3 kernel swiched to hlist for cache_head
1261 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1262 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
1263 cache_head_has_hlist, [
1264 #include <linux/sunrpc/cache.h>
1266 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1268 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1269 [cache_head has hlist cache_list])
1271 ]) # LC_HAVE_CACHE_HEAD_HLIST
1274 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1276 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1277 # simplified xattr_handler handling by passing in the handler pointer
1279 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1280 tmp_flags="$EXTRA_KCFLAGS"
1281 EXTRA_KCFLAGS="-Werror"
1282 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
1283 xattr_handler_simplified, [
1284 #include <linux/xattr.h>
1286 struct xattr_handler handler;
1288 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1289 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1291 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
1293 EXTRA_KCFLAGS="$tmp_flags"
1294 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1297 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1299 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1301 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1302 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
1303 bio_integrity_payload_bip_iter, [
1304 #include <linux/bio.h>
1306 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1308 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1309 [bio_integrity_payload.bip_iter exist])
1311 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1314 # LC_BIO_INTEGRITY_PREP_FN
1316 # Lustre kernel patch extents bio_integrity_prep to accept optional
1317 # generate/verify_fn as extra args.
1319 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1320 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
1321 bio_integrity_prep_fn, [
1322 #include <linux/bio.h>
1324 bio_integrity_prep_fn(NULL, NULL, NULL);
1326 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1327 [kernel has bio_integrity_prep_fn])
1328 AC_SUBST(PATCHED_INTEGRITY_INTF)
1330 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1332 ]) # LC_BIO_INTEGRITY_PREP_FN
1337 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1339 AC_DEFUN([LC_HAVE_BI_OPF], [
1340 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
1342 #include <linux/bio.h>
1348 AC_DEFINE(HAVE_BI_OPF, 1,
1349 [struct bio has bi_opf])
1354 # LC_HAVE_SUBMIT_BIO_2ARGS
1356 # 4.4 removed an argument from submit_bio
1358 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1359 LB_CHECK_COMPILE([if submit_bio takes two arguments],
1360 have_submit_bio_2args, [
1361 #include <linux/bio.h>
1364 submit_bio(READ, &bio);
1366 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1367 [submit_bio takes two arguments])
1369 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1372 # LC_HAVE_CLEAN_BDEV_ALIASES
1374 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1375 # (SLES12/kernel commit 29f3ad7d8380364c)
1377 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1378 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
1379 have_clean_bdev_aliases, [
1380 #include <linux/buffer_head.h>
1382 clean_bdev_aliases(NULL,1,1);
1384 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1385 [kernel has clean_bdev_aliases])
1387 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1390 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1392 # 4.4 kernel have moved locks API users to
1393 # locks_lock_inode_wait()
1395 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1396 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
1397 locks_lock_file_wait, [
1398 #include <linux/fs.h>
1400 locks_lock_file_wait(NULL, NULL);
1402 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1403 [kernel has locks_lock_file_wait])
1405 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1408 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1410 # 4.4 kernel merged type-specific data with the payload data for keys
1412 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1413 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
1414 key_payload_data_array, [
1415 #include <linux/key.h>
1417 struct key key = { };
1419 key.payload.data[0] = NULL;
1421 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1423 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1426 # LC_HAVE_XATTR_HANDLER_NAME
1428 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1429 # add a name member to struct xattr_handler
1431 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1432 tmp_flags="$EXTRA_KCFLAGS"
1433 EXTRA_KCFLAGS="-Werror"
1434 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
1435 xattr_handler_name, [
1436 #include <linux/xattr.h>
1438 ((struct xattr_handler *)NULL)->name = NULL;
1440 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
1442 EXTRA_KCFLAGS="$tmp_flags"
1443 ]) # LC_HAVE_XATTR_HANDLER_NAME
1446 # LC_HAVE_FILE_DENTRY
1448 # 4.5 adds wrapper file_dentry
1450 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1451 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
1453 #include <linux/fs.h>
1457 AC_DEFINE(HAVE_FILE_DENTRY, 1,
1458 [kernel has file_dentry])
1460 ]) # LC_HAVE_FILE_DENTRY
1463 # LC_HAVE_INODE_LOCK
1465 # 4.5 introduced inode_lock
1467 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1468 LB_CHECK_COMPILE([if 'inode_lock' is defined],
1470 #include <linux/fs.h>
1474 AC_DEFINE(HAVE_INODE_LOCK, 1,
1475 [inode_lock is defined])
1477 ]) # LC_HAVE_INODE_LOCK
1480 # LC_HAVE_IOP_GET_LINK
1482 # 4.5 vfs replaced iop->follow_link with
1485 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1486 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
1487 inode_ops_get_link, [
1488 #include <linux/fs.h>
1490 struct inode_operations iop;
1491 iop.get_link = NULL;
1493 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
1494 [have iop get_link])
1496 ]) # LC_HAVE_IOP_GET_LINK
1499 # LC_HAVE_IN_COMPAT_SYSCALL
1501 # 4.6 renamed is_compat_task to in_compat_syscall
1503 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1504 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
1505 in_compat_syscall, [
1506 #include <linux/compat.h>
1508 in_compat_syscall();
1510 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
1511 [have in_compat_syscall])
1513 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1516 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1518 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1519 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1520 # to xattr_handler functions
1522 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1523 tmp_flags="$EXTRA_KCFLAGS"
1524 EXTRA_KCFLAGS="-Werror"
1525 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
1526 xattr_handler_inode_param, [
1527 #include <linux/xattr.h>
1529 const struct xattr_handler handler;
1531 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1532 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1534 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1536 EXTRA_KCFLAGS="$tmp_flags"
1537 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1542 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1543 # introduced parallel lookups in the VFS layer. The inline function
1544 # d_in_lookup was added to notify when the same item was being queried
1547 AC_DEFUN([LC_D_IN_LOOKUP], [
1548 tmp_flags="$EXTRA_KCFLAGS"
1549 EXTRA_KCFLAGS="-Werror"
1550 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
1552 #include <linux/dcache.h>
1556 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1558 EXTRA_KCFLAGS="$tmp_flags"
1562 # LC_LOCK_PAGE_MEMCG
1564 # Kernel version 4.6 adds lock_page_memcg
1566 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1567 LB_CHECK_COMPILE([if 'lock_page_memcg' is defined],
1569 #include <linux/memcontrol.h>
1571 lock_page_memcg(NULL);
1573 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1,
1574 [lock_page_memcg is defined])
1576 ]) # LC_LOCK_PAGE_MEMCG
1581 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1582 # direct-io: eliminate the offset argument to ->direct_IO
1584 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1585 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
1587 #include <linux/fs.h>
1589 struct address_space_operations ops = { };
1590 struct iov_iter *iter = NULL;
1591 struct kiocb *iocb = NULL;
1594 rc = ops.direct_IO(iocb, iter);
1596 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
1597 [direct_IO need 2 arguments])
1599 ]) # LC_DIRECTIO_2ARGS
1602 # LC_GENERIC_WRITE_SYNC_2ARGS
1604 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1605 # fs: add IOCB_SYNC and IOCB_DSYNC
1607 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1608 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
1609 generic_write_sync_2args, [
1610 #include <linux/fs.h>
1612 struct kiocb *iocb = NULL;
1615 rc = generic_write_sync(iocb, 0);
1617 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1618 [generic_write_sync need 2 arguments])
1620 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1623 # LC_FOP_ITERATE_SHARED
1625 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1627 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1628 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
1629 fop_iterate_shared, [
1630 #include <linux/fs.h>
1632 struct file_operations fop;
1633 fop.iterate_shared = NULL;
1635 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1636 [file_operations has iterate_shared])
1638 ]) # LC_FOP_ITERATE_SHARED
1641 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
1643 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
1644 # generic_file_splice_read() to using ->read_iter. We can test this
1645 # change since default_file_splice_read() is no longer exported.
1647 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
1648 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
1649 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
1650 [default_file_splice_read is exported])])
1651 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
1654 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1656 # 4.8 posix_acl_valid takes struct user_namespace
1658 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
1659 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
1661 #include <linux/fs.h>
1662 #include <linux/posix_acl.h>
1664 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
1666 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
1667 [posix_acl_valid takes struct user_namespace])
1669 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
1672 # LC_D_COMPARE_4ARGS
1674 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
1675 # get rid of 'parent' argument of ->d_compare()
1677 AC_DEFUN([LC_D_COMPARE_4ARGS], [
1678 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
1680 #include <linux/dcache.h>
1682 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
1684 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
1685 [d_compare need 4 arguments])
1687 ]) # LC_D_COMPARE_4ARGS
1690 # LC_FULL_NAME_HASH_3ARGS
1692 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
1693 # vfs: make the string hashes salt the hash
1695 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
1696 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
1697 full_name_hash_3args, [
1698 #include <linux/stringhash.h>
1701 hash = full_name_hash(NULL,NULL,0);
1703 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
1704 [full_name_hash need 3 arguments])
1706 ]) # LC_FULL_NAME_HASH_3ARGS
1709 # LC_STRUCT_POSIX_ACL_XATTR
1711 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
1712 # posix_acl: xattr representation cleanups
1714 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
1715 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
1716 struct_posix_acl_xattr, [
1717 #include <linux/fs.h>
1718 #include <linux/posix_acl_xattr.h>
1720 struct posix_acl_xattr_header *h = NULL;
1721 struct posix_acl_xattr_entry *e;
1722 e = (void *)(h + 1);
1724 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
1725 [struct posix_acl_xattr_{header,entry} defined])
1727 ]) # LC_STRUCT_POSIX_ACL_XATTR
1732 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
1733 # removed {get,set,remove}xattr inode operations
1735 AC_DEFUN([LC_IOP_XATTR], [
1736 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
1738 #include <linux/fs.h>
1740 struct inode_operations iop;
1741 iop.setxattr = NULL;
1742 iop.getxattr = NULL;
1743 iop.removexattr = NULL;
1745 AC_DEFINE(HAVE_IOP_XATTR, 1,
1746 [inode_operations has {get,set,remove}xattr members])
1753 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
1754 # cred: simpler, 1D supplementary groups
1756 AC_DEFUN([LC_GROUP_INFO_GID], [
1757 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
1759 #include <linux/cred.h>
1762 p = ((struct group_info *)0)->gid;
1764 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
1765 [struct group_info has member gid])
1767 ]) # LC_GROUP_INFO_GID
1772 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
1773 # added __vfs_{get,set,remove}xattr helpers
1775 AC_DEFUN([LC_VFS_SETXATTR], [
1776 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
1778 #include <linux/xattr.h>
1780 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
1782 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
1783 ['__vfs_setxattr is available])
1785 ]) # LC_VFS_SETXATTR
1788 # LC_POSIX_ACL_UPDATE_MODE
1790 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
1791 # posix_acl: Clear SGID bit when setting file permissions
1793 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
1794 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
1795 posix_acl_update_mode, [
1796 #include <linux/fs.h>
1797 #include <linux/posix_acl.h>
1799 posix_acl_update_mode(NULL, NULL, NULL);
1801 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
1802 ['posix_acl_update_mode' is available])
1804 ]) # LC_POSIX_ACL_UPDATE_MODE
1807 # LC_IOP_GENERIC_READLINK
1809 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
1810 # removed generic_readlink from individual file systems
1812 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
1813 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
1814 inode_ops_readlink, [
1815 #include <linux/fs.h>
1817 struct inode_operations iop;
1818 iop.readlink = generic_readlink;
1820 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
1821 [generic_readlink has been removed])
1823 ]) # LC_IOP_GENERIC_READLINK
1826 # LC_HAVE_VM_FAULT_ADDRESS
1828 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
1829 # removed virtual_address field. Need to use address field instead
1831 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
1832 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
1834 #include <linux/mm.h>
1836 struct vm_fault vmf;
1839 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
1840 [virtual_address has been replaced by address field])
1842 ]) # LC_HAVE_VM_FAULT_ADDRESS
1845 # LC_INODEOPS_ENHANCED_GETATTR
1847 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
1848 # expanded getattr to be able to get more stat information.
1850 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
1851 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
1853 #include <linux/fs.h>
1857 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
1859 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
1860 [inode_operations .getattr member function can gather advance stats])
1862 ]) # LC_INODEOPS_ENHANCED_GETATTR
1865 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1867 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
1868 # removed struct vm_area_struct as an argument for vm_operations since
1869 # in the same kernel version struct vma_area_struct was folded into
1872 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
1873 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
1874 vm_operations_no_vm_area_struct, [
1875 #include <linux/mm.h>
1877 struct vm_fault vmf;
1879 ((struct vm_operations_struct *)0)->fault(&vmf);
1880 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
1882 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
1883 ['struct vm_operations' remove struct vm_area_struct argument])
1885 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1888 # LC_HAVE_KEY_USAGE_REFCOUNT
1890 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
1891 # converted key.usage from atomic_t to refcount_t.
1893 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
1894 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
1895 key_usage_refcount, [
1896 #include <linux/key.h>
1898 struct key key = { };
1900 refcount_read(&key.usage);
1902 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
1904 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
1907 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1909 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
1910 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
1912 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
1913 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
1914 crypto_max_alg_name, [
1915 #include <linux/crypto.h>
1917 #if CRYPTO_MAX_ALG_NAME != 128
1921 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
1922 ['CRYPTO_MAX_ALG_NAME' is 128])
1924 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1927 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
1928 # CURRENT_TIME is not 64 bit time safe so it was replaced with
1931 AC_DEFUN([LC_CURRENT_TIME], [
1932 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
1934 #include <linux/fs.h>
1938 attr.ia_atime = current_time(NULL);
1940 AC_DEFINE(HAVE_CURRENT_TIME, 1,
1941 [current_time() has replaced CURRENT_TIME])
1943 ]) # LIBCFS_CURRENT_TIME
1946 # Kernel version 4.12-rc3 85787090a21eb749d8b347eaf9ff1a455637473c
1947 # changed struct super_block s_uuid into a proper uuid_t
1949 AC_DEFUN([LC_SUPER_BLOCK_S_UUID], [
1950 LB_CHECK_COMPILE([if 'struct super_block' s_uuid is uuid_t],
1951 super_block_s_uuid, [
1952 #include <linux/fs.h>
1954 struct super_block sb;
1956 uuid_parse(NULL, &sb.s_uuid);
1958 AC_DEFINE(HAVE_S_UUID_AS_UUID_T, 1, ['s_uuid' is an uuid_t])
1960 ]) # LC_SUPER_BLOCK_S_UUID
1963 # LC_SUPER_SETUP_BDI_NAME
1965 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
1966 # unified bdi handling
1968 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
1969 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
1970 super_setup_bdi_name, [
1971 #include <linux/fs.h>
1973 super_setup_bdi_name(NULL, "lustre");
1975 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
1976 ['super_setup_bdi_name' is available])
1978 ]) # LC_SUPER_SETUP_BDI_NAME
1983 # 4.12 replace bi_error to bi_status
1985 AC_DEFUN([LC_BI_STATUS], [
1986 LB_CHECK_COMPILE([if 'bi_status' exist],
1988 #include <linux/blk_types.h>
1990 ((struct bio *)0)->bi_status = 0;
1992 AC_DEFINE(HAVE_BI_STATUS, 1,
1993 ['bi_status' is available])
1998 # LC_BIO_INTEGRITY_ENABLED
2000 # 4.13 removed bio_integrity_enabled
2002 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2003 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
2004 bio_integrity_enabled, [
2005 #include <linux/bio.h>
2007 bio_integrity_enabled(NULL);
2009 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2010 ['bio_integrity_enabled' is available])
2012 ]) # LC_BIO_INTEGRITY_ENABLED
2015 # LC_PAGEVEC_INIT_ONE_PARAM
2017 # 4.14 pagevec_init takes one parameter
2019 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2020 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
2022 #include <linux/pagevec.h>
2026 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2027 ['pagevec_init' takes one parameter])
2029 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2034 # 4.14 replaced bi_bdev to bi_disk
2036 AC_DEFUN([LC_BI_BDEV], [
2037 LB_CHECK_COMPILE([if 'bi_bdev' exist],
2039 #include <linux/bio.h>
2041 ((struct bio *)0)->bi_bdev = NULL;
2043 AC_DEFINE(HAVE_BI_BDEV, 1,
2044 ['bi_bdev' is available])
2049 # LC_INTERVAL_TREE_CACHED
2051 # 4.14 f808c13fd3738948e10196496959871130612b61
2052 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2054 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2055 tmp_flags="$EXTRA_KCFLAGS"
2056 EXTRA_KCFLAGS="-Werror"
2057 LB_CHECK_COMPILE([if interval_trees use rb_tree_cached],
2059 #include <linux/interval_tree_generic.h>
2060 struct foo { struct rb_node rb; int last; int a,b;};
2061 #define START(n) ((n)->a)
2062 #define LAST(n) ((n)->b)
2063 struct rb_root_cached tree;
2064 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2065 START, LAST, , foo);
2067 foo_insert(NULL, &tree);
2069 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2070 [interval trees use rb_tree_cached])
2072 EXTRA_KCFLAGS="$tmp_flags"
2073 ]) # LC_INTERVAL_TREE_CACHED
2078 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2080 AC_DEFUN([LC_IS_ENCRYPTED], [
2081 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2083 #include <linux/fs.h>
2085 IS_ENCRYPTED((struct inode *)0);
2087 has_is_encrypted="yes"
2089 ]) # LC_IS_ENCRYPTED
2094 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2096 AC_DEFUN([LC_I_PAGES], [
2097 LB_CHECK_COMPILE([if struct address_space has i_pages],
2099 #include <linux/fs.h>
2101 struct address_space mapping = {};
2104 i_pages = &mapping.i_pages;
2106 AC_DEFINE(HAVE_I_PAGES, 1,
2107 [struct address_space has i_pages])
2114 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2115 # mm: create the new vm_fault_t type
2117 AC_DEFUN([LC_VM_FAULT_T], [
2118 LB_CHECK_COMPILE([if vm_fault_t type exists],
2120 #include <linux/mm_types.h>
2122 vm_fault_t x = VM_FAULT_SIGBUS;
2125 AC_DEFINE(HAVE_VM_FAULT_T, 1,
2126 [if vm_fault_t type exists])
2133 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2134 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2136 AC_DEFUN([LC_VM_FAULT_RETRY], [
2137 LB_CHECK_COMPILE([if VM_FAULT_RETRY is defined],
2139 #include <linux/mm.h>
2141 #ifndef VM_FAULT_RETRY
2146 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2147 [if VM_FAULT_RETRY is defined])
2149 ]) # LC_VM_FAULT_RETRY
2152 # LC_INODE_TIMESPEC64
2154 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2155 # fs: add timespec64_truncate()
2156 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2157 # inode timestamps switched to timespec64
2158 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2159 # y2038: remove unused time interfaces
2163 # When inode times are timespec64 stop using the deprecated
2166 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2167 # fs: Delete timespec64_trunc()
2169 AC_DEFUN([LC_INODE_TIMESPEC64], [
2170 tmp_flags="$EXTRA_KCFLAGS"
2171 EXTRA_KCFLAGS="-Werror"
2172 LB_CHECK_COMPILE([if inode timestamps are struct timespec64],
2174 #include <linux/fs.h>
2176 struct inode *inode = NULL;
2177 struct timespec64 ts = {0, 1};
2179 inode->i_atime = ts;
2182 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2183 [inode times are using timespec64])
2185 EXTRA_KCFLAGS="$tmp_flags"
2186 ]) # LC_INODE_TIMESPEC64
2189 # LC_RADIX_TREE_TAG_SET
2191 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2192 # xarray: Add XArray marks - replaced radix_tree_tag_set
2194 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2195 tmp_flags="$EXTRA_KCFLAGS"
2196 EXTRA_KCFLAGS="-Werror"
2197 LB_CHECK_COMPILE([if 'radix_tree_tag_set' exists],
2198 radix_tree_tag_set, [
2199 #include <linux/fs.h>
2200 #include <linux/radix-tree.h>
2202 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2204 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2205 [radix_tree_tag_set exists])
2207 EXTRA_KCFLAGS="$tmp_flags"
2208 ]) # LC_RADIX_TREE_TAG_SET
2211 # LC_UAPI_LINUX_MOUNT_H
2213 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2214 # vfs: Suppress MS_* flag defs within the kernel ...
2216 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2217 tmp_flags="$EXTRA_KCFLAGS"
2218 EXTRA_KCFLAGS="-Werror"
2219 LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
2221 #include <uapi/linux/mount.h>
2226 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2227 [if MS_RDONLY was moved to uapi/linux/mount.h])
2229 EXTRA_KCFLAGS="$tmp_flags"
2230 ]) # LC_UAPI_LINUX_MOUNT_H
2233 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2235 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2236 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2238 # Now that the reader functions are all RCU protected, use a regular
2239 # spinlock rather than a reader/writer lock.
2241 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2242 tmp_flags="$EXTRA_KCFLAGS"
2243 EXTRA_KCFLAGS="-Werror"
2244 LB_CHECK_COMPILE([if cache_detail->hash_lock is a spinlock],
2245 hash_lock_isa_spinlock_t, [
2246 #include <linux/sunrpc/cache.h>
2248 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2251 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2252 [if cache_detail->hash_lock is a spinlock])
2254 EXTRA_KCFLAGS="$tmp_flags"
2255 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2258 # LC_HAS_LINUX_SELINUX_ENABLED
2260 # kernel 5.1 commit 3d252529480c68bfd6a6774652df7c8968b28e41
2261 # SELinux: Remove unused selinux_is_enabled
2263 AC_DEFUN([LC_HAS_LINUX_SELINUX_ENABLED], [
2264 tmp_flags="$EXTRA_KCFLAGS"
2265 EXTRA_KCFLAGS="-Werror"
2266 LB_CHECK_COMPILE([if linux/selinux.h exists],
2267 selinux_is_enabled, [
2268 #include <linux/selinux.h>
2270 bool has_selinux = selinux_is_enabled();
2273 AC_DEFINE(HAVE_LINUX_SELINUX_IS_ENABLED, 1,
2274 [if linux/selinux.h exists])
2276 EXTRA_KCFLAGS="$tmp_flags"
2277 ]) # LC_HAS_LINUX_SELINUX_ENABLED
2280 # LB_HAVE_BVEC_ITER_ALL
2282 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2283 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2285 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
2286 tmp_flags="$EXTRA_KCFLAGS"
2287 EXTRA_KCFLAGS="-Werror"
2288 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
2290 #include <linux/bvec.h>
2292 struct bvec_iter_all iter;
2295 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2296 [if bvec_iter_all exists for multi-page bvec iternation])
2298 EXTRA_KCFLAGS="$tmp_flags"
2299 ]) # LB_HAVE_BVEC_ITER_ALL
2302 # LC_ACCOUNT_PAGE_DIRTIED
2304 # After 5.2 kernel page dirtied is not exported
2306 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2307 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2308 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2309 [account_page_dirtied is exported])])
2310 ]) # LC_ACCOUNT_PAGE_DIRTIED
2313 # LC_KEYRING_SEARCH_4ARGS
2315 # Kernel 5.2 commit dcf49dbc8077
2316 # keys: Add a 'recurse' flag for keyring searches
2318 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2319 LB_CHECK_COMPILE([if 'keyring_search' has 4 args],
2320 keyring_search_4args, [
2321 #include <linux/key.h>
2324 keyring_search(keyring, NULL, NULL, false);
2326 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2327 [keyring_search has 4 args])
2329 ]) # LC_KEYRING_SEARCH_4ARGS
2332 # LC_BIO_BI_PHYS_SEGMENTS
2334 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2335 # block: remove the bi_phys_segments field in struct bio
2337 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2338 tmp_flags="$EXTRA_KCFLAGS"
2339 EXTRA_KCFLAGS="-Werror"
2340 LB_CHECK_COMPILE([if struct bio has bi_phys_segments member],
2341 bye_bio_bi_phys_segments, [
2342 #include <linux/bio.h>
2344 struct bio *bio = NULL;
2345 bio->bi_phys_segments++;
2347 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2348 [struct bio has bi_phys_segments member])
2350 EXTRA_KCFLAGS="$tmp_flags"
2351 ]) # LC_BIO_BI_PHYS_SEGMENTS
2354 # LC_LM_COMPARE_OWNER_EXISTS
2356 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2357 # locks: Cleanup lm_compare_owner and lm_owner_key
2358 # removed lm_compare_owner
2360 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2361 tmp_flags="$EXTRA_KCFLAGS"
2362 EXTRA_KCFLAGS="-Werror"
2363 LB_CHECK_COMPILE([if lock_manager_operations has lm_compare_owner],
2364 lock_manager_ops_lm_compare_owner, [
2365 #include <linux/fs.h>
2367 struct lock_manager_operations lm_ops;
2368 lm_ops.lm_compare_owner = NULL;
2370 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2371 [lock_manager_operations has lm_compare_owner])
2373 EXTRA_KCFLAGS="$tmp_flags"
2374 ]) # LC_LM_COMPARE_OWNER_EXISTS
2376 AC_DEFUN([LC_PROG_LINUX_SRC], [])
2377 AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
2380 # LC_FSCRYPT_SUPPORT
2382 # 5.4 introduced fscrypt encryption policies v2
2384 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2385 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2387 #define __FS_HAS_ENCRYPTION 0
2388 #include <linux/fscrypt.h>
2390 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2392 has_fscrypt_support="yes"
2394 ]) # LC_FSCRYPT_SUPPORT
2399 # Lustre linux kernel checks
2401 AC_DEFUN([LC_PROG_LINUX], [
2402 AC_MSG_NOTICE([Lustre kernel checks
2403 ==============================================================================])
2408 LC_CONFIG_HEALTH_CHECK_WRITE
2409 LC_CONFIG_LRU_RESIZE
2414 LC_HAVE_PROJECT_QUOTA
2421 LC_HAVE_DENTRY_D_U_D_ALIAS
2422 LC_HAVE_DENTRY_D_CHILD
2423 LC_PID_NS_FOR_CHILDREN
2426 LC_OLDSIZE_TRUNCATE_PAGECACHE
2427 LC_PTR_ERR_OR_ZERO_MISSING
2429 LC_REGISTER_SHRINKER_RET
2434 LC_HAVE_D_IS_POSITIVE
2438 LC_HAVE_TRUNCATE_IPAGES_FINAL
2439 LC_IOPS_RENAME_WITH_FLAGS
2446 LC_DIRECTIO_USE_ITER
2447 LC_HAVE_IOV_ITER_INIT_DIRECTION
2448 LC_HAVE_IOV_ITER_TRUNCATE
2449 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2452 LC_HAVE_INTERVAL_BLK_INTEGRITY
2456 LC_PERCPU_COUNTER_INIT
2457 LC_NFS_FILLDIR_USE_CTX
2461 LC_HAVE_DQUOT_QC_DQBLK
2462 LC_HAVE_AIO_COMPLETE
2463 LC_HAVE_IS_ROOT_INODE
2466 LC_BACKING_DEV_INFO_REMOVAL
2467 LC_HAVE_BDI_CAP_MAP_COPY
2471 LC_HAVE_SYNC_READ_WRITE
2475 LC_BIO_ENDIO_USES_ONE_ARG
2476 LC_SYMLINK_OPS_USE_NAMEIDATA
2477 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
2478 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
2481 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2482 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2483 LC_HAVE_CACHE_HEAD_HLIST
2484 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2487 LC_HAVE_LOCKS_LOCK_FILE_WAIT
2488 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2489 LC_HAVE_XATTR_HANDLER_NAME
2491 LC_HAVE_SUBMIT_BIO_2ARGS
2492 LC_HAVE_CLEAN_BDEV_ALIASES
2499 LC_HAVE_IOP_GET_LINK
2502 LC_HAVE_IN_COMPAT_SYSCALL
2503 LC_HAVE_XATTR_HANDLER_INODE_PARAM
2509 LC_GENERIC_WRITE_SYNC_2ARGS
2510 LC_FOP_ITERATE_SHARED
2513 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
2514 LC_HAVE_POSIX_ACL_VALID_USER_NS
2516 LC_FULL_NAME_HASH_3ARGS
2517 LC_STRUCT_POSIX_ACL_XATTR
2523 LC_POSIX_ACL_UPDATE_MODE
2526 LC_IOP_GENERIC_READLINK
2527 LC_HAVE_VM_FAULT_ADDRESS
2530 LC_INODEOPS_ENHANCED_GETATTR
2531 LC_VM_OPERATIONS_REMOVE_VMF_ARG
2532 LC_HAVE_KEY_USAGE_REFCOUNT
2533 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2537 LC_SUPER_BLOCK_S_UUID
2538 LC_SUPER_SETUP_BDI_NAME
2542 LC_BIO_INTEGRITY_ENABLED
2545 LC_PAGEVEC_INIT_ONE_PARAM
2547 LC_INTERVAL_TREE_CACHED
2558 LC_RADIX_TREE_TAG_SET
2559 LC_UAPI_LINUX_MOUNT_H
2560 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2563 LC_HAS_LINUX_SELINUX_ENABLED
2564 LB_HAVE_BVEC_ITER_ALL
2567 LC_ACCOUNT_PAGE_DIRTIED
2568 LC_KEYRING_SEARCH_4ARGS
2571 LC_BIO_BI_PHYS_SEGMENTS
2572 LC_LM_COMPARE_OWNER_EXISTS
2574 # kernel patch to extend integrity interface
2575 LC_BIO_INTEGRITY_PREP_FN
2578 AS_IF([test "x$enable_server" != xno], [
2588 # Check whether to build the client side of Lustre
2590 AC_DEFUN([LC_CONFIG_CLIENT], [
2591 AC_MSG_CHECKING([whether to build Lustre client support])
2592 AC_ARG_ENABLE([client],
2593 AC_HELP_STRING([--disable-client],
2594 [disable Lustre client support]),
2595 [], [enable_client="yes"])
2596 AC_MSG_RESULT([$enable_client])
2597 ]) # LC_CONFIG_CLIENT
2602 AC_DEFUN([LB_CONFIG_MPITESTS], [
2603 AC_ARG_ENABLE([mpitests],
2604 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2605 [include mpi tests]), [
2606 enable_mpitests="yes"
2609 MPICC_WRAPPER="mpicc"
2610 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2613 enable_mpitests="no"
2617 MPICC_WRAPPER=$enableval
2618 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
2622 enable_mpitests="yes"
2623 MPICC_WRAPPER="mpicc"
2624 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2627 if test "x$enable_mpitests" != "xno"; then
2630 AC_CACHE_CHECK([whether mpitests can be built],
2631 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2635 MPI_Initialized(&flag);
2638 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2640 enable_mpitests=$lb_cv_mpi_tests
2644 AC_SUBST(MPICC_WRAPPER)
2645 ]) # LB_CONFIG_MPITESTS
2650 # whether to enable quota support global control
2652 AC_DEFUN([LC_CONFIG_QUOTA], [
2653 AC_MSG_CHECKING([whether to enable quota support global control])
2654 AC_ARG_ENABLE([quota],
2655 AC_HELP_STRING([--enable-quota],
2656 [enable quota support]),
2657 [], [enable_quota="yes"])
2658 AS_IF([test "x$enable_quota" = xyes],
2659 [AC_MSG_RESULT([yes])],
2660 [AC_MSG_RESULT([no])])
2661 ]) # LC_CONFIG_QUOTA
2666 AC_DEFUN([LC_QUOTA], [
2670 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2671 AC_CHECK_HEADER([sys/quota.h],
2672 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2673 [Define to 1 if you have <sys/quota.h>.])],
2674 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2681 # configure support for optional OSD implementation
2683 AC_DEFUN([LC_OSD_ADDON], [
2684 AC_MSG_CHECKING([whether to use OSD addon])
2686 AC_HELP_STRING([--with-osd=path],
2687 [set path to optional osd]),
2694 OSDADDON="$with_osd"
2701 AS_IF([test $ENABLEOSDADDON -eq 0], [
2705 OSDMODNAME=$(basename $OSDADDON)
2706 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2707 AC_MSG_RESULT([can't link])
2709 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2710 AC_MSG_RESULT([$OSDMODNAME])
2711 OSDADDON="obj-m += $OSDMODNAME/"
2713 AC_MSG_RESULT([can't link])
2723 # Check whether to enable Lustre client crypto
2725 AC_DEFUN([LC_CONFIG_CRYPTO], [
2726 AC_MSG_CHECKING([whether to enable Lustre client crypto])
2727 AC_ARG_ENABLE([crypto],
2728 AC_HELP_STRING([--enable-crypto=yes|no|in-kernel],
2729 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
2730 [], [enable_crypto="auto"])
2731 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
2735 LC_FSCRYPT_SUPPORT])
2736 AS_IF([test "x$enable_crypto" = xin-kernel], [
2737 AS_IF([test "x$has_fscrypt_support" = xyes], [
2738 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
2739 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
2740 enable_crypto=no])],
2741 [AS_IF([test "x$has_is_encrypted" = xyes], [
2742 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
2743 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
2744 enable_crypto="embedded llcrypt"
2745 enable_llcrypt=yes], [
2746 AS_IF([test "x$enable_crypto" = xyes],
2747 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
2748 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
2749 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
2750 enable_crypto=no])])
2751 AS_IF([test "x$enable_dist" != xno], [
2753 enable_llcrypt=yes])
2754 AC_MSG_RESULT([$enable_crypto])
2755 ]) # LC_CONFIG_CRYPTO
2760 # other configure checks
2762 AC_DEFUN([LC_CONFIGURE], [
2763 AC_MSG_NOTICE([Lustre core checks
2764 ==============================================================================])
2766 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2767 [CFLAGS="$CFLAGS -Wall -Werror"])
2769 # maximum MDS thread count
2772 # lustre/utils/gss/gss_util.c
2773 # lustre/utils/gss/gssd_proc.c
2774 # lustre/utils/gss/krb5_util.c
2775 # lustre/utils/llog_reader.c
2776 # lustre/utils/create_iam.c
2777 # lustre/utils/libiam.c
2778 AC_CHECK_HEADERS([netdb.h endian.h])
2779 AC_CHECK_FUNCS([gethostbyname])
2781 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
2782 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
2783 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
2785 ext2fs.h not found. Please install e2fsprogs development package.
2790 # lustre/tests/statx_test.c
2791 AC_CHECK_FUNCS([statx])
2793 # lustre/utils/lfs.c
2794 AS_IF([test "$enable_dist" = "no"], [
2795 AC_CHECK_LIB([z], [crc32], [
2796 AC_CHECK_HEADER([zlib.h], [], [
2797 AC_MSG_ERROR([zlib.h not found.])])
2800 zlib library not found. Please install zlib development package.])
2806 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2807 [AC_CHECK_HEADERS([selinux/selinux.h],
2808 [SELINUX="-lselinux"
2809 AC_DEFINE([HAVE_SELINUX], 1,
2810 [support for selinux ])],
2813 No libselinux-devel package found, unable to build selinux enabled tools
2818 No selinux package found, unable to build selinux enabled tools
2823 AC_CHECK_LIB([keyutils], [add_key])
2826 AC_MSG_CHECKING([whether to report minimum OST free space])
2827 AC_ARG_ENABLE([mindf],
2828 AC_HELP_STRING([--enable-mindf],
2829 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2830 [], [enable_mindf="no"])
2831 AC_MSG_RESULT([$enable_mindf])
2832 AS_IF([test "$enable_mindf" = "yes"],
2833 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2835 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2836 AC_ARG_ENABLE([fail_alloc],
2837 AC_HELP_STRING([--disable-fail-alloc],
2838 [disable randomly alloc failure]),
2839 [], [enable_fail_alloc="yes"])
2840 AC_MSG_RESULT([$enable_fail_alloc])
2841 AS_IF([test "x$enable_fail_alloc" != xno],
2842 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2843 [enable randomly alloc failure])])
2845 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2846 AC_ARG_ENABLE([invariants],
2847 AC_HELP_STRING([--enable-invariants],
2848 [enable invariant checking (cpu intensive)]),
2849 [], [enable_invariants="no"])
2850 AC_MSG_RESULT([$enable_invariants])
2851 AS_IF([test "x$enable_invariants" = xyes],
2852 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2853 [enable invariant checking])])
2855 AC_MSG_CHECKING([whether to track references with lu_ref])
2856 AC_ARG_ENABLE([lu_ref],
2857 AC_HELP_STRING([--enable-lu_ref],
2858 [enable lu_ref reference tracking code]),
2859 [], [enable_lu_ref="no"])
2860 AC_MSG_RESULT([$enable_lu_ref])
2861 AS_IF([test "x$enable_lu_ref" = xyes],
2862 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
2863 [enable lu_ref reference tracking code])])
2865 AC_MSG_CHECKING([whether to enable page state tracking])
2866 AC_ARG_ENABLE([pgstate-track],
2867 AC_HELP_STRING([--enable-pgstate-track],
2868 [enable page state tracking]),
2869 [], [enable_pgstat_track="no"])
2870 AC_MSG_RESULT([$enable_pgstat_track])
2871 AS_IF([test "x$enable_pgstat_track" = xyes],
2872 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2873 [enable page state tracking code])])
2876 AC_MSG_CHECKING([systemd unit file directory])
2877 AC_ARG_WITH([systemdsystemunitdir],
2878 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
2879 [Directory for systemd service files])],
2880 [], [with_systemdsystemunitdir=auto])
2881 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
2882 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
2883 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
2884 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
2885 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
2886 with_systemdsystemunitdir=no],
2887 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
2888 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
2889 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
2890 AC_MSG_RESULT([$with_systemdsystemunitdir])
2892 AC_MSG_CHECKING([bash-completion directory])
2893 AC_ARG_WITH([bash-completion-dir],
2894 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
2895 [Install the bash auto-completion script in this directory.]),
2897 [with_bash_completion_dir=yes])
2898 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
2899 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
2900 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
2901 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
2904 BASH_COMPLETION_DIR="$with_bash_completion_dir"
2906 AC_SUBST([BASH_COMPLETION_DIR])
2907 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
2913 # AM_CONDITIONALS for lustre
2915 AC_DEFUN([LC_CONDITIONALS], [
2916 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2917 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2918 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2919 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2920 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2921 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2922 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2923 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2924 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
2925 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2926 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
2927 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
2928 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
2929 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
2930 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
2931 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
2932 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
2933 ]) # LC_CONDITIONALS
2938 # files that should be generated with AC_OUTPUT
2940 AC_DEFUN([LC_CONFIG_FILES],
2944 lustre/autoconf/Makefile
2945 lustre/conf/Makefile
2946 lustre/conf/resource/Makefile
2947 lustre/contrib/Makefile
2949 lustre/include/Makefile
2950 lustre/include/lustre/Makefile
2951 lustre/include/uapi/linux/lustre/Makefile
2952 lustre/kernel_patches/targets/4.18-rhel8.4.target
2953 lustre/kernel_patches/targets/4.18-rhel8.3.target
2954 lustre/kernel_patches/targets/4.18-rhel8.2.target
2955 lustre/kernel_patches/targets/4.18-rhel8.1.target
2956 lustre/kernel_patches/targets/4.18-rhel8.target
2957 lustre/kernel_patches/targets/3.10-rhel7.9.target
2958 lustre/kernel_patches/targets/3.10-rhel7.8.target
2959 lustre/kernel_patches/targets/3.10-rhel7.7.target
2960 lustre/kernel_patches/targets/3.10-rhel7.6.target
2961 lustre/kernel_patches/targets/3.10-rhel7.5.target
2962 lustre/kernel_patches/targets/4.14-rhel7.5.target
2963 lustre/kernel_patches/targets/4.14-rhel7.6.target
2964 lustre/kernel_patches/targets/4.12-sles12sp4.target
2965 lustre/kernel_patches/targets/4.12-sles12sp5.target
2966 lustre/kernel_patches/targets/4.12-sles15sp1.target
2967 lustre/kernel_patches/targets/4.12-sles15sp2.target
2968 lustre/kernel_patches/targets/3.x-fc18.target
2969 lustre/ldlm/Makefile
2971 lustre/fid/autoMakefile
2972 lustre/llite/Makefile
2973 lustre/llite/autoMakefile
2975 lustre/lov/autoMakefile
2977 lustre/mdc/autoMakefile
2979 lustre/lmv/autoMakefile
2980 lustre/lfsck/Makefile
2981 lustre/lfsck/autoMakefile
2983 lustre/mdt/autoMakefile
2985 lustre/mdd/autoMakefile
2987 lustre/fld/autoMakefile
2988 lustre/obdclass/Makefile
2989 lustre/obdclass/autoMakefile
2990 lustre/obdecho/Makefile
2991 lustre/obdecho/autoMakefile
2993 lustre/ofd/autoMakefile
2995 lustre/osc/autoMakefile
2997 lustre/ost/autoMakefile
2998 lustre/osd-ldiskfs/Makefile
2999 lustre/osd-ldiskfs/autoMakefile
3000 lustre/osd-zfs/Makefile
3001 lustre/osd-zfs/autoMakefile
3003 lustre/mgc/autoMakefile
3005 lustre/mgs/autoMakefile
3006 lustre/target/Makefile
3007 lustre/ptlrpc/Makefile
3008 lustre/ptlrpc/autoMakefile
3009 lustre/ptlrpc/gss/Makefile
3010 lustre/ptlrpc/gss/autoMakefile
3011 lustre/quota/Makefile
3012 lustre/quota/autoMakefile
3013 lustre/scripts/Makefile
3014 lustre/scripts/systemd/Makefile
3015 lustre/tests/Makefile
3016 lustre/tests/mpi/Makefile
3017 lustre/tests/lutf/Makefile
3018 lustre/tests/lutf/src/Makefile
3019 lustre/tests/kernel/Makefile
3020 lustre/tests/kernel/autoMakefile
3021 lustre/utils/Makefile
3022 lustre/utils/gss/Makefile
3024 lustre/osp/autoMakefile
3026 lustre/lod/autoMakefile
3028 ]) # LC_CONFIG_FILES