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-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
1582 # add new d_init to initialize dentry at allocation time
1584 AC_DEFUN([LC_D_INIT], [
1585 LB_CHECK_COMPILE([if dentry operations supports 'd_init'],
1587 #include <linux/dcache.h>
1589 struct dentry_operations ops = { };
1592 rc = ops.d_init(NULL);
1594 AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
1601 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1602 # direct-io: eliminate the offset argument to ->direct_IO
1604 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1605 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
1607 #include <linux/fs.h>
1609 struct address_space_operations ops = { };
1610 struct iov_iter *iter = NULL;
1611 struct kiocb *iocb = NULL;
1614 rc = ops.direct_IO(iocb, iter);
1616 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
1617 [direct_IO need 2 arguments])
1619 ]) # LC_DIRECTIO_2ARGS
1622 # LC_GENERIC_WRITE_SYNC_2ARGS
1624 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1625 # fs: add IOCB_SYNC and IOCB_DSYNC
1627 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1628 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
1629 generic_write_sync_2args, [
1630 #include <linux/fs.h>
1632 struct kiocb *iocb = NULL;
1635 rc = generic_write_sync(iocb, 0);
1637 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1638 [generic_write_sync need 2 arguments])
1640 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1643 # LC_FOP_ITERATE_SHARED
1645 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1647 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1648 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
1649 fop_iterate_shared, [
1650 #include <linux/fs.h>
1652 struct file_operations fop;
1653 fop.iterate_shared = NULL;
1655 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1656 [file_operations has iterate_shared])
1658 ]) # LC_FOP_ITERATE_SHARED
1661 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
1663 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
1664 # generic_file_splice_read() to using ->read_iter. We can test this
1665 # change since default_file_splice_read() is no longer exported.
1667 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
1668 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
1669 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
1670 [default_file_splice_read is exported])])
1671 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
1674 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1676 # 4.8 posix_acl_valid takes struct user_namespace
1678 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
1679 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
1681 #include <linux/fs.h>
1682 #include <linux/posix_acl.h>
1684 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
1686 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
1687 [posix_acl_valid takes struct user_namespace])
1689 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
1692 # LC_D_COMPARE_4ARGS
1694 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
1695 # get rid of 'parent' argument of ->d_compare()
1697 AC_DEFUN([LC_D_COMPARE_4ARGS], [
1698 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
1700 #include <linux/dcache.h>
1702 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
1704 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
1705 [d_compare need 4 arguments])
1707 ]) # LC_D_COMPARE_4ARGS
1710 # LC_FULL_NAME_HASH_3ARGS
1712 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
1713 # vfs: make the string hashes salt the hash
1715 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
1716 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
1717 full_name_hash_3args, [
1718 #include <linux/stringhash.h>
1721 hash = full_name_hash(NULL,NULL,0);
1723 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
1724 [full_name_hash need 3 arguments])
1726 ]) # LC_FULL_NAME_HASH_3ARGS
1729 # LC_STRUCT_POSIX_ACL_XATTR
1731 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
1732 # posix_acl: xattr representation cleanups
1734 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
1735 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
1736 struct_posix_acl_xattr, [
1737 #include <linux/fs.h>
1738 #include <linux/posix_acl_xattr.h>
1740 struct posix_acl_xattr_header *h = NULL;
1741 struct posix_acl_xattr_entry *e;
1742 e = (void *)(h + 1);
1744 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
1745 [struct posix_acl_xattr_{header,entry} defined])
1747 ]) # LC_STRUCT_POSIX_ACL_XATTR
1752 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
1753 # removed {get,set,remove}xattr inode operations
1755 AC_DEFUN([LC_IOP_XATTR], [
1756 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
1758 #include <linux/fs.h>
1760 struct inode_operations iop;
1761 iop.setxattr = NULL;
1762 iop.getxattr = NULL;
1763 iop.removexattr = NULL;
1765 AC_DEFINE(HAVE_IOP_XATTR, 1,
1766 [inode_operations has {get,set,remove}xattr members])
1773 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
1774 # cred: simpler, 1D supplementary groups
1776 AC_DEFUN([LC_GROUP_INFO_GID], [
1777 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
1779 #include <linux/cred.h>
1782 p = ((struct group_info *)0)->gid;
1784 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
1785 [struct group_info has member gid])
1787 ]) # LC_GROUP_INFO_GID
1792 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
1793 # added __vfs_{get,set,remove}xattr helpers
1795 AC_DEFUN([LC_VFS_SETXATTR], [
1796 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
1798 #include <linux/xattr.h>
1800 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
1802 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
1803 ['__vfs_setxattr is available])
1805 ]) # LC_VFS_SETXATTR
1808 # LC_POSIX_ACL_UPDATE_MODE
1810 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
1811 # posix_acl: Clear SGID bit when setting file permissions
1813 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
1814 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
1815 posix_acl_update_mode, [
1816 #include <linux/fs.h>
1817 #include <linux/posix_acl.h>
1819 posix_acl_update_mode(NULL, NULL, NULL);
1821 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
1822 ['posix_acl_update_mode' is available])
1824 ]) # LC_POSIX_ACL_UPDATE_MODE
1827 # LC_IOP_GENERIC_READLINK
1829 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
1830 # removed generic_readlink from individual file systems
1832 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
1833 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
1834 inode_ops_readlink, [
1835 #include <linux/fs.h>
1837 struct inode_operations iop;
1838 iop.readlink = generic_readlink;
1840 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
1841 [generic_readlink has been removed])
1843 ]) # LC_IOP_GENERIC_READLINK
1846 # LC_HAVE_VM_FAULT_ADDRESS
1848 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
1849 # removed virtual_address field. Need to use address field instead
1851 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
1852 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
1854 #include <linux/mm.h>
1856 struct vm_fault vmf;
1859 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
1860 [virtual_address has been replaced by address field])
1862 ]) # LC_HAVE_VM_FAULT_ADDRESS
1865 # LC_INODEOPS_ENHANCED_GETATTR
1867 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
1868 # expanded getattr to be able to get more stat information.
1870 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
1871 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
1873 #include <linux/fs.h>
1877 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
1879 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
1880 [inode_operations .getattr member function can gather advance stats])
1882 ]) # LC_INODEOPS_ENHANCED_GETATTR
1885 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1887 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
1888 # removed struct vm_area_struct as an argument for vm_operations since
1889 # in the same kernel version struct vma_area_struct was folded into
1892 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
1893 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
1894 vm_operations_no_vm_area_struct, [
1895 #include <linux/mm.h>
1897 struct vm_fault vmf;
1899 ((struct vm_operations_struct *)0)->fault(&vmf);
1900 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
1902 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
1903 ['struct vm_operations' remove struct vm_area_struct argument])
1905 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1908 # LC_HAVE_KEY_USAGE_REFCOUNT
1910 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
1911 # converted key.usage from atomic_t to refcount_t.
1913 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
1914 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
1915 key_usage_refcount, [
1916 #include <linux/key.h>
1918 struct key key = { };
1920 refcount_read(&key.usage);
1922 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
1924 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
1927 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1929 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
1930 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
1932 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
1933 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
1934 crypto_max_alg_name, [
1935 #include <linux/crypto.h>
1937 #if CRYPTO_MAX_ALG_NAME != 128
1941 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
1942 ['CRYPTO_MAX_ALG_NAME' is 128])
1944 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1947 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
1948 # CURRENT_TIME is not 64 bit time safe so it was replaced with
1951 AC_DEFUN([LC_CURRENT_TIME], [
1952 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
1954 #include <linux/fs.h>
1958 attr.ia_atime = current_time(NULL);
1960 AC_DEFINE(HAVE_CURRENT_TIME, 1,
1961 [current_time() has replaced CURRENT_TIME])
1963 ]) # LIBCFS_CURRENT_TIME
1966 # Kernel version 4.12-rc3 85787090a21eb749d8b347eaf9ff1a455637473c
1967 # changed struct super_block s_uuid into a proper uuid_t
1969 AC_DEFUN([LC_SUPER_BLOCK_S_UUID], [
1970 LB_CHECK_COMPILE([if 'struct super_block' s_uuid is uuid_t],
1971 super_block_s_uuid, [
1972 #include <linux/fs.h>
1974 struct super_block sb;
1976 uuid_parse(NULL, &sb.s_uuid);
1978 AC_DEFINE(HAVE_S_UUID_AS_UUID_T, 1, ['s_uuid' is an uuid_t])
1980 ]) # LC_SUPER_BLOCK_S_UUID
1983 # LC_SUPER_SETUP_BDI_NAME
1985 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
1986 # unified bdi handling
1988 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
1989 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
1990 super_setup_bdi_name, [
1991 #include <linux/fs.h>
1993 super_setup_bdi_name(NULL, "lustre");
1995 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
1996 ['super_setup_bdi_name' is available])
1998 ]) # LC_SUPER_SETUP_BDI_NAME
2003 # 4.12 replace bi_error to bi_status
2005 AC_DEFUN([LC_BI_STATUS], [
2006 LB_CHECK_COMPILE([if 'bi_status' exist],
2008 #include <linux/blk_types.h>
2010 ((struct bio *)0)->bi_status = 0;
2012 AC_DEFINE(HAVE_BI_STATUS, 1,
2013 ['bi_status' is available])
2018 # LC_BIO_INTEGRITY_ENABLED
2020 # 4.13 removed bio_integrity_enabled
2022 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2023 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
2024 bio_integrity_enabled, [
2025 #include <linux/bio.h>
2027 bio_integrity_enabled(NULL);
2029 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2030 ['bio_integrity_enabled' is available])
2032 ]) # LC_BIO_INTEGRITY_ENABLED
2035 # LC_PAGEVEC_INIT_ONE_PARAM
2037 # 4.14 pagevec_init takes one parameter
2039 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2040 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
2042 #include <linux/pagevec.h>
2046 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2047 ['pagevec_init' takes one parameter])
2049 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2054 # 4.14 replaced bi_bdev to bi_disk
2056 AC_DEFUN([LC_BI_BDEV], [
2057 LB_CHECK_COMPILE([if 'bi_bdev' exist],
2059 #include <linux/bio.h>
2061 ((struct bio *)0)->bi_bdev = NULL;
2063 AC_DEFINE(HAVE_BI_BDEV, 1,
2064 ['bi_bdev' is available])
2069 # LC_INTERVAL_TREE_CACHED
2071 # 4.14 f808c13fd3738948e10196496959871130612b61
2072 # switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
2074 AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
2075 tmp_flags="$EXTRA_KCFLAGS"
2076 EXTRA_KCFLAGS="-Werror"
2077 LB_CHECK_COMPILE([if interval_trees use rb_tree_cached],
2079 #include <linux/interval_tree_generic.h>
2080 struct foo { struct rb_node rb; int last; int a,b;};
2081 #define START(n) ((n)->a)
2082 #define LAST(n) ((n)->b)
2083 struct rb_root_cached tree;
2084 INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
2085 START, LAST, , foo);
2087 foo_insert(NULL, &tree);
2089 AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
2090 [interval trees use rb_tree_cached])
2092 EXTRA_KCFLAGS="$tmp_flags"
2093 ]) # LC_INTERVAL_TREE_CACHED
2098 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
2100 AC_DEFUN([LC_IS_ENCRYPTED], [
2101 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
2103 #include <linux/fs.h>
2105 IS_ENCRYPTED((struct inode *)0);
2107 has_is_encrypted="yes"
2109 ]) # LC_IS_ENCRYPTED
2114 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2116 AC_DEFUN([LC_I_PAGES], [
2117 LB_CHECK_COMPILE([if struct address_space has i_pages],
2119 #include <linux/fs.h>
2121 struct address_space mapping = {};
2124 i_pages = &mapping.i_pages;
2126 AC_DEFINE(HAVE_I_PAGES, 1,
2127 [struct address_space has i_pages])
2134 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2135 # mm: create the new vm_fault_t type
2137 AC_DEFUN([LC_VM_FAULT_T], [
2138 LB_CHECK_COMPILE([if vm_fault_t type exists],
2140 #include <linux/mm_types.h>
2142 vm_fault_t x = VM_FAULT_SIGBUS;
2145 AC_DEFINE(HAVE_VM_FAULT_T, 1,
2146 [if vm_fault_t type exists])
2153 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2154 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2156 AC_DEFUN([LC_VM_FAULT_RETRY], [
2157 LB_CHECK_COMPILE([if VM_FAULT_RETRY is defined],
2159 #include <linux/mm.h>
2161 #ifndef VM_FAULT_RETRY
2166 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2167 [if VM_FAULT_RETRY is defined])
2169 ]) # LC_VM_FAULT_RETRY
2172 # LC_INODE_TIMESPEC64
2174 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2175 # fs: add timespec64_truncate()
2176 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2177 # inode timestamps switched to timespec64
2178 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2179 # y2038: remove unused time interfaces
2183 # When inode times are timespec64 stop using the deprecated
2186 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2187 # fs: Delete timespec64_trunc()
2189 AC_DEFUN([LC_INODE_TIMESPEC64], [
2190 tmp_flags="$EXTRA_KCFLAGS"
2191 EXTRA_KCFLAGS="-Werror"
2192 LB_CHECK_COMPILE([if inode timestamps are struct timespec64],
2194 #include <linux/fs.h>
2196 struct inode *inode = NULL;
2197 struct timespec64 ts = {0, 1};
2199 inode->i_atime = ts;
2202 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2203 [inode times are using timespec64])
2205 EXTRA_KCFLAGS="$tmp_flags"
2206 ]) # LC_INODE_TIMESPEC64
2209 # LC_RADIX_TREE_TAG_SET
2211 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2212 # xarray: Add XArray marks - replaced radix_tree_tag_set
2214 AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
2215 tmp_flags="$EXTRA_KCFLAGS"
2216 EXTRA_KCFLAGS="-Werror"
2217 LB_CHECK_COMPILE([if 'radix_tree_tag_set' exists],
2218 radix_tree_tag_set, [
2219 #include <linux/fs.h>
2220 #include <linux/radix-tree.h>
2222 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2224 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2225 [radix_tree_tag_set exists])
2227 EXTRA_KCFLAGS="$tmp_flags"
2228 ]) # LC_RADIX_TREE_TAG_SET
2231 # LC_UAPI_LINUX_MOUNT_H
2233 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2234 # vfs: Suppress MS_* flag defs within the kernel ...
2236 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2237 tmp_flags="$EXTRA_KCFLAGS"
2238 EXTRA_KCFLAGS="-Werror"
2239 LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
2241 #include <uapi/linux/mount.h>
2246 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2247 [if MS_RDONLY was moved to uapi/linux/mount.h])
2249 EXTRA_KCFLAGS="$tmp_flags"
2250 ]) # LC_UAPI_LINUX_MOUNT_H
2253 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2255 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2256 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2258 # Now that the reader functions are all RCU protected, use a regular
2259 # spinlock rather than a reader/writer lock.
2261 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2262 tmp_flags="$EXTRA_KCFLAGS"
2263 EXTRA_KCFLAGS="-Werror"
2264 LB_CHECK_COMPILE([if cache_detail->hash_lock is a spinlock],
2265 hash_lock_isa_spinlock_t, [
2266 #include <linux/sunrpc/cache.h>
2268 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2271 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2272 [if cache_detail->hash_lock is a spinlock])
2274 EXTRA_KCFLAGS="$tmp_flags"
2275 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2278 # LC_HAS_LINUX_SELINUX_ENABLED
2280 # kernel 5.1 commit 3d252529480c68bfd6a6774652df7c8968b28e41
2281 # SELinux: Remove unused selinux_is_enabled
2283 AC_DEFUN([LC_HAS_LINUX_SELINUX_ENABLED], [
2284 tmp_flags="$EXTRA_KCFLAGS"
2285 EXTRA_KCFLAGS="-Werror"
2286 LB_CHECK_COMPILE([if linux/selinux.h exists],
2287 selinux_is_enabled, [
2288 #include <linux/selinux.h>
2290 bool has_selinux = selinux_is_enabled();
2293 AC_DEFINE(HAVE_LINUX_SELINUX_IS_ENABLED, 1,
2294 [if linux/selinux.h exists])
2296 EXTRA_KCFLAGS="$tmp_flags"
2297 ]) # LC_HAS_LINUX_SELINUX_ENABLED
2300 # LB_HAVE_BVEC_ITER_ALL
2302 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2303 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2305 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
2306 tmp_flags="$EXTRA_KCFLAGS"
2307 EXTRA_KCFLAGS="-Werror"
2308 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
2310 #include <linux/bvec.h>
2312 struct bvec_iter_all iter;
2315 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2316 [if bvec_iter_all exists for multi-page bvec iternation])
2318 EXTRA_KCFLAGS="$tmp_flags"
2319 ]) # LB_HAVE_BVEC_ITER_ALL
2322 # LC_ACCOUNT_PAGE_DIRTIED
2324 # After 5.2 kernel page dirtied is not exported
2326 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2327 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2328 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2329 [account_page_dirtied is exported])])
2330 ]) # LC_ACCOUNT_PAGE_DIRTIED
2333 # LC_KEYRING_SEARCH_4ARGS
2335 # Kernel 5.2 commit dcf49dbc8077
2336 # keys: Add a 'recurse' flag for keyring searches
2338 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2339 LB_CHECK_COMPILE([if 'keyring_search' has 4 args],
2340 keyring_search_4args, [
2341 #include <linux/key.h>
2344 keyring_search(keyring, NULL, NULL, false);
2346 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2347 [keyring_search has 4 args])
2349 ]) # LC_KEYRING_SEARCH_4ARGS
2352 # LC_BIO_BI_PHYS_SEGMENTS
2354 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2355 # block: remove the bi_phys_segments field in struct bio
2357 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2358 tmp_flags="$EXTRA_KCFLAGS"
2359 EXTRA_KCFLAGS="-Werror"
2360 LB_CHECK_COMPILE([if struct bio has bi_phys_segments member],
2361 bye_bio_bi_phys_segments, [
2362 #include <linux/bio.h>
2364 struct bio *bio = NULL;
2365 bio->bi_phys_segments++;
2367 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2368 [struct bio has bi_phys_segments member])
2370 EXTRA_KCFLAGS="$tmp_flags"
2371 ]) # LC_BIO_BI_PHYS_SEGMENTS
2374 # LC_LM_COMPARE_OWNER_EXISTS
2376 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2377 # locks: Cleanup lm_compare_owner and lm_owner_key
2378 # removed lm_compare_owner
2380 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2381 tmp_flags="$EXTRA_KCFLAGS"
2382 EXTRA_KCFLAGS="-Werror"
2383 LB_CHECK_COMPILE([if lock_manager_operations has lm_compare_owner],
2384 lock_manager_ops_lm_compare_owner, [
2385 #include <linux/fs.h>
2387 struct lock_manager_operations lm_ops;
2388 lm_ops.lm_compare_owner = NULL;
2390 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2391 [lock_manager_operations has lm_compare_owner])
2393 EXTRA_KCFLAGS="$tmp_flags"
2394 ]) # LC_LM_COMPARE_OWNER_EXISTS
2396 AC_DEFUN([LC_PROG_LINUX_SRC], [])
2397 AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
2400 # LC_FSCRYPT_SUPPORT
2402 # 5.4 introduced fscrypt encryption policies v2
2404 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2405 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2407 #define __FS_HAS_ENCRYPTION 0
2408 #include <linux/fscrypt.h>
2410 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2412 has_fscrypt_support="yes"
2414 ]) # LC_FSCRYPT_SUPPORT
2419 # Lustre linux kernel checks
2421 AC_DEFUN([LC_PROG_LINUX], [
2422 AC_MSG_NOTICE([Lustre kernel checks
2423 ==============================================================================])
2428 LC_CONFIG_HEALTH_CHECK_WRITE
2429 LC_CONFIG_LRU_RESIZE
2434 LC_HAVE_PROJECT_QUOTA
2441 LC_HAVE_DENTRY_D_U_D_ALIAS
2442 LC_HAVE_DENTRY_D_CHILD
2443 LC_PID_NS_FOR_CHILDREN
2446 LC_OLDSIZE_TRUNCATE_PAGECACHE
2447 LC_PTR_ERR_OR_ZERO_MISSING
2449 LC_REGISTER_SHRINKER_RET
2454 LC_HAVE_D_IS_POSITIVE
2458 LC_HAVE_TRUNCATE_IPAGES_FINAL
2459 LC_IOPS_RENAME_WITH_FLAGS
2466 LC_DIRECTIO_USE_ITER
2467 LC_HAVE_IOV_ITER_INIT_DIRECTION
2468 LC_HAVE_IOV_ITER_TRUNCATE
2469 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2472 LC_HAVE_INTERVAL_BLK_INTEGRITY
2476 LC_PERCPU_COUNTER_INIT
2477 LC_NFS_FILLDIR_USE_CTX
2481 LC_HAVE_DQUOT_QC_DQBLK
2482 LC_HAVE_AIO_COMPLETE
2483 LC_HAVE_IS_ROOT_INODE
2486 LC_BACKING_DEV_INFO_REMOVAL
2487 LC_HAVE_BDI_CAP_MAP_COPY
2491 LC_HAVE_SYNC_READ_WRITE
2495 LC_BIO_ENDIO_USES_ONE_ARG
2496 LC_SYMLINK_OPS_USE_NAMEIDATA
2497 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
2498 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
2501 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2502 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2503 LC_HAVE_CACHE_HEAD_HLIST
2504 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2507 LC_HAVE_LOCKS_LOCK_FILE_WAIT
2508 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2509 LC_HAVE_XATTR_HANDLER_NAME
2511 LC_HAVE_SUBMIT_BIO_2ARGS
2512 LC_HAVE_CLEAN_BDEV_ALIASES
2519 LC_HAVE_IOP_GET_LINK
2522 LC_HAVE_IN_COMPAT_SYSCALL
2523 LC_HAVE_XATTR_HANDLER_INODE_PARAM
2530 LC_GENERIC_WRITE_SYNC_2ARGS
2531 LC_FOP_ITERATE_SHARED
2534 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
2535 LC_HAVE_POSIX_ACL_VALID_USER_NS
2537 LC_FULL_NAME_HASH_3ARGS
2538 LC_STRUCT_POSIX_ACL_XATTR
2544 LC_POSIX_ACL_UPDATE_MODE
2547 LC_IOP_GENERIC_READLINK
2548 LC_HAVE_VM_FAULT_ADDRESS
2551 LC_INODEOPS_ENHANCED_GETATTR
2552 LC_VM_OPERATIONS_REMOVE_VMF_ARG
2553 LC_HAVE_KEY_USAGE_REFCOUNT
2554 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2558 LC_SUPER_BLOCK_S_UUID
2559 LC_SUPER_SETUP_BDI_NAME
2563 LC_BIO_INTEGRITY_ENABLED
2566 LC_PAGEVEC_INIT_ONE_PARAM
2568 LC_INTERVAL_TREE_CACHED
2579 LC_RADIX_TREE_TAG_SET
2580 LC_UAPI_LINUX_MOUNT_H
2581 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2584 LC_HAS_LINUX_SELINUX_ENABLED
2585 LB_HAVE_BVEC_ITER_ALL
2588 LC_ACCOUNT_PAGE_DIRTIED
2589 LC_KEYRING_SEARCH_4ARGS
2592 LC_BIO_BI_PHYS_SEGMENTS
2593 LC_LM_COMPARE_OWNER_EXISTS
2595 # kernel patch to extend integrity interface
2596 LC_BIO_INTEGRITY_PREP_FN
2599 AS_IF([test "x$enable_server" != xno], [
2609 # Check whether to build the client side of Lustre
2611 AC_DEFUN([LC_CONFIG_CLIENT], [
2612 AC_MSG_CHECKING([whether to build Lustre client support])
2613 AC_ARG_ENABLE([client],
2614 AC_HELP_STRING([--disable-client],
2615 [disable Lustre client support]),
2616 [], [enable_client="yes"])
2617 AC_MSG_RESULT([$enable_client])
2618 ]) # LC_CONFIG_CLIENT
2623 AC_DEFUN([LB_CONFIG_MPITESTS], [
2624 AC_ARG_ENABLE([mpitests],
2625 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2626 [include mpi tests]), [
2627 enable_mpitests="yes"
2630 MPICC_WRAPPER="mpicc"
2631 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2634 enable_mpitests="no"
2638 MPICC_WRAPPER=$enableval
2639 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
2643 enable_mpitests="yes"
2644 MPICC_WRAPPER="mpicc"
2645 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2648 if test "x$enable_mpitests" != "xno"; then
2651 AC_CACHE_CHECK([whether mpitests can be built],
2652 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2656 MPI_Initialized(&flag);
2659 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2661 enable_mpitests=$lb_cv_mpi_tests
2665 AC_SUBST(MPICC_WRAPPER)
2666 ]) # LB_CONFIG_MPITESTS
2671 # whether to enable quota support global control
2673 AC_DEFUN([LC_CONFIG_QUOTA], [
2674 AC_MSG_CHECKING([whether to enable quota support global control])
2675 AC_ARG_ENABLE([quota],
2676 AC_HELP_STRING([--enable-quota],
2677 [enable quota support]),
2678 [], [enable_quota="yes"])
2679 AS_IF([test "x$enable_quota" = xyes],
2680 [AC_MSG_RESULT([yes])],
2681 [AC_MSG_RESULT([no])])
2682 ]) # LC_CONFIG_QUOTA
2687 AC_DEFUN([LC_QUOTA], [
2691 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2692 AC_CHECK_HEADER([sys/quota.h],
2693 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2694 [Define to 1 if you have <sys/quota.h>.])],
2695 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2702 # configure support for optional OSD implementation
2704 AC_DEFUN([LC_OSD_ADDON], [
2705 AC_MSG_CHECKING([whether to use OSD addon])
2707 AC_HELP_STRING([--with-osd=path],
2708 [set path to optional osd]),
2715 OSDADDON="$with_osd"
2722 AS_IF([test $ENABLEOSDADDON -eq 0], [
2726 OSDMODNAME=$(basename $OSDADDON)
2727 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2728 AC_MSG_RESULT([can't link])
2730 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2731 AC_MSG_RESULT([$OSDMODNAME])
2732 OSDADDON="obj-m += $OSDMODNAME/"
2734 AC_MSG_RESULT([can't link])
2744 # Check whether to enable Lustre client crypto
2746 AC_DEFUN([LC_CONFIG_CRYPTO], [
2747 AC_MSG_CHECKING([whether to enable Lustre client crypto])
2748 AC_ARG_ENABLE([crypto],
2749 AC_HELP_STRING([--enable-crypto=yes|no|in-kernel],
2750 [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
2751 [], [enable_crypto="auto"])
2752 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
2756 LC_FSCRYPT_SUPPORT])
2757 AS_IF([test "x$enable_crypto" = xin-kernel], [
2758 AS_IF([test "x$has_fscrypt_support" = xyes], [
2759 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
2760 AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
2761 enable_crypto=no])],
2762 [AS_IF([test "x$has_is_encrypted" = xyes], [
2763 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
2764 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
2765 enable_crypto="embedded llcrypt"
2766 enable_llcrypt=yes], [
2767 AS_IF([test "x$enable_crypto" = xyes],
2768 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
2769 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
2770 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
2771 enable_crypto=no])])
2772 AS_IF([test "x$enable_dist" != xno], [
2774 enable_llcrypt=yes])
2775 AC_MSG_RESULT([$enable_crypto])
2776 ]) # LC_CONFIG_CRYPTO
2781 # other configure checks
2783 AC_DEFUN([LC_CONFIGURE], [
2784 AC_MSG_NOTICE([Lustre core checks
2785 ==============================================================================])
2787 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2788 [CFLAGS="$CFLAGS -Wall -Werror"])
2790 # maximum MDS thread count
2793 # lustre/utils/gss/gss_util.c
2794 # lustre/utils/gss/gssd_proc.c
2795 # lustre/utils/gss/krb5_util.c
2796 # lustre/utils/llog_reader.c
2797 # lustre/utils/create_iam.c
2798 # lustre/utils/libiam.c
2799 AC_CHECK_HEADERS([netdb.h endian.h])
2800 AC_CHECK_FUNCS([gethostbyname])
2802 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
2803 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
2804 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
2806 ext2fs.h not found. Please install e2fsprogs development package.
2811 # lustre/tests/statx_test.c
2812 AC_CHECK_FUNCS([statx])
2814 # lustre/utils/lfs.c
2815 AS_IF([test "$enable_dist" = "no"], [
2816 AC_CHECK_LIB([z], [crc32], [
2817 AC_CHECK_HEADER([zlib.h], [], [
2818 AC_MSG_ERROR([zlib.h not found.])])
2821 zlib library not found. Please install zlib development package.])
2827 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2828 [AC_CHECK_HEADERS([selinux/selinux.h],
2829 [SELINUX="-lselinux"
2830 AC_DEFINE([HAVE_SELINUX], 1,
2831 [support for selinux ])],
2834 No libselinux-devel package found, unable to build selinux enabled tools
2839 No selinux package found, unable to build selinux enabled tools
2844 AC_CHECK_LIB([keyutils], [add_key])
2847 AC_MSG_CHECKING([whether to report minimum OST free space])
2848 AC_ARG_ENABLE([mindf],
2849 AC_HELP_STRING([--enable-mindf],
2850 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2851 [], [enable_mindf="no"])
2852 AC_MSG_RESULT([$enable_mindf])
2853 AS_IF([test "$enable_mindf" = "yes"],
2854 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2856 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2857 AC_ARG_ENABLE([fail_alloc],
2858 AC_HELP_STRING([--disable-fail-alloc],
2859 [disable randomly alloc failure]),
2860 [], [enable_fail_alloc="yes"])
2861 AC_MSG_RESULT([$enable_fail_alloc])
2862 AS_IF([test "x$enable_fail_alloc" != xno],
2863 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2864 [enable randomly alloc failure])])
2866 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2867 AC_ARG_ENABLE([invariants],
2868 AC_HELP_STRING([--enable-invariants],
2869 [enable invariant checking (cpu intensive)]),
2870 [], [enable_invariants="no"])
2871 AC_MSG_RESULT([$enable_invariants])
2872 AS_IF([test "x$enable_invariants" = xyes],
2873 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2874 [enable invariant checking])])
2876 AC_MSG_CHECKING([whether to track references with lu_ref])
2877 AC_ARG_ENABLE([lu_ref],
2878 AC_HELP_STRING([--enable-lu_ref],
2879 [enable lu_ref reference tracking code]),
2880 [], [enable_lu_ref="no"])
2881 AC_MSG_RESULT([$enable_lu_ref])
2882 AS_IF([test "x$enable_lu_ref" = xyes],
2883 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
2884 [enable lu_ref reference tracking code])])
2886 AC_MSG_CHECKING([whether to enable page state tracking])
2887 AC_ARG_ENABLE([pgstate-track],
2888 AC_HELP_STRING([--enable-pgstate-track],
2889 [enable page state tracking]),
2890 [], [enable_pgstat_track="no"])
2891 AC_MSG_RESULT([$enable_pgstat_track])
2892 AS_IF([test "x$enable_pgstat_track" = xyes],
2893 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2894 [enable page state tracking code])])
2897 AC_MSG_CHECKING([systemd unit file directory])
2898 AC_ARG_WITH([systemdsystemunitdir],
2899 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
2900 [Directory for systemd service files])],
2901 [], [with_systemdsystemunitdir=auto])
2902 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
2903 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
2904 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
2905 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
2906 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
2907 with_systemdsystemunitdir=no],
2908 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
2909 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
2910 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
2911 AC_MSG_RESULT([$with_systemdsystemunitdir])
2913 AC_MSG_CHECKING([bash-completion directory])
2914 AC_ARG_WITH([bash-completion-dir],
2915 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
2916 [Install the bash auto-completion script in this directory.]),
2918 [with_bash_completion_dir=yes])
2919 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
2920 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
2921 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
2922 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
2925 BASH_COMPLETION_DIR="$with_bash_completion_dir"
2927 AC_SUBST([BASH_COMPLETION_DIR])
2928 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
2934 # AM_CONDITIONALS for lustre
2936 AC_DEFUN([LC_CONDITIONALS], [
2937 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2938 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2939 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2940 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2941 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2942 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2943 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2944 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2945 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
2946 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2947 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
2948 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
2949 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
2950 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
2951 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
2952 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
2953 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
2954 ]) # LC_CONDITIONALS
2959 # files that should be generated with AC_OUTPUT
2961 AC_DEFUN([LC_CONFIG_FILES],
2965 lustre/autoconf/Makefile
2966 lustre/conf/Makefile
2967 lustre/conf/resource/Makefile
2968 lustre/contrib/Makefile
2970 lustre/include/Makefile
2971 lustre/include/lustre/Makefile
2972 lustre/include/uapi/linux/lustre/Makefile
2973 lustre/kernel_patches/targets/4.18-rhel8.4.target
2974 lustre/kernel_patches/targets/4.18-rhel8.3.target
2975 lustre/kernel_patches/targets/4.18-rhel8.2.target
2976 lustre/kernel_patches/targets/4.18-rhel8.1.target
2977 lustre/kernel_patches/targets/4.18-rhel8.target
2978 lustre/kernel_patches/targets/3.10-rhel7.9.target
2979 lustre/kernel_patches/targets/3.10-rhel7.8.target
2980 lustre/kernel_patches/targets/3.10-rhel7.7.target
2981 lustre/kernel_patches/targets/3.10-rhel7.6.target
2982 lustre/kernel_patches/targets/3.10-rhel7.5.target
2983 lustre/kernel_patches/targets/4.14-rhel7.5.target
2984 lustre/kernel_patches/targets/4.14-rhel7.6.target
2985 lustre/kernel_patches/targets/4.12-sles12sp4.target
2986 lustre/kernel_patches/targets/4.12-sles12sp5.target
2987 lustre/kernel_patches/targets/4.12-sles15sp1.target
2988 lustre/kernel_patches/targets/4.12-sles15sp2.target
2989 lustre/kernel_patches/targets/3.x-fc18.target
2990 lustre/ldlm/Makefile
2992 lustre/fid/autoMakefile
2993 lustre/llite/Makefile
2994 lustre/llite/autoMakefile
2996 lustre/lov/autoMakefile
2998 lustre/mdc/autoMakefile
3000 lustre/lmv/autoMakefile
3001 lustre/lfsck/Makefile
3002 lustre/lfsck/autoMakefile
3004 lustre/mdt/autoMakefile
3006 lustre/mdd/autoMakefile
3008 lustre/fld/autoMakefile
3009 lustre/obdclass/Makefile
3010 lustre/obdclass/autoMakefile
3011 lustre/obdecho/Makefile
3012 lustre/obdecho/autoMakefile
3014 lustre/ofd/autoMakefile
3016 lustre/osc/autoMakefile
3018 lustre/ost/autoMakefile
3019 lustre/osd-ldiskfs/Makefile
3020 lustre/osd-ldiskfs/autoMakefile
3021 lustre/osd-zfs/Makefile
3022 lustre/osd-zfs/autoMakefile
3024 lustre/mgc/autoMakefile
3026 lustre/mgs/autoMakefile
3027 lustre/target/Makefile
3028 lustre/ptlrpc/Makefile
3029 lustre/ptlrpc/autoMakefile
3030 lustre/ptlrpc/gss/Makefile
3031 lustre/ptlrpc/gss/autoMakefile
3032 lustre/quota/Makefile
3033 lustre/quota/autoMakefile
3034 lustre/scripts/Makefile
3035 lustre/scripts/systemd/Makefile
3036 lustre/tests/Makefile
3037 lustre/tests/mpi/Makefile
3038 lustre/tests/lutf/Makefile
3039 lustre/tests/lutf/src/Makefile
3040 lustre/tests/kernel/Makefile
3041 lustre/tests/kernel/autoMakefile
3042 lustre/utils/Makefile
3043 lustre/utils/gss/Makefile
3045 lustre/osp/autoMakefile
3047 lustre/lod/autoMakefile
3049 ]) # LC_CONFIG_FILES