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 # Ensure the stack size is at least 8k in Lustre server (all kernels)
73 AC_DEFUN([LC_STACK_SIZE], [
74 LB_CHECK_COMPILE([if stack size is at least 8k],
76 #include <linux/thread_info.h>
78 #if THREAD_SIZE < 8192
79 #error "stack size < 8192"
81 ], [], [AC_MSG_ERROR([
83 Lustre requires that Linux is configured with at least a 8KB stack.
90 # Allow the user to set the MDS thread upper limit
92 AC_DEFUN([LC_MDS_MAX_THREADS], [
93 AC_MSG_CHECKING([for maximum number of MDS threads])
94 AC_ARG_WITH([mds_max_threads],
95 AC_HELP_STRING([--with-mds-max-threads=count],
96 [maximum threads available on the MDS: (default=512)]),
97 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
98 [maximum number of MDS threads])])
99 AC_MSG_RESULT([$with_mds_max_threads])
100 ]) # LC_MDS_MAX_THREADS
105 # the pinger is temporary, until we have the recovery node in place
107 AC_DEFUN([LC_CONFIG_PINGER], [
108 AC_MSG_CHECKING([whether to enable Lustre pinger support])
109 AC_ARG_ENABLE([pinger],
110 AC_HELP_STRING([--disable-pinger],
111 [disable recovery pinger support]),
112 [], [enable_pinger="yes"])
113 AC_MSG_RESULT([$enable_pinger])
114 AS_IF([test "x$enable_pinger" != xno],
115 [AC_DEFINE(CONFIG_LUSTRE_FS_PINGER, 1,[Use the Pinger])])
116 ]) # LC_CONFIG_PINGER
121 # do checksum of bulk data between client and OST
123 AC_DEFUN([LC_CONFIG_CHECKSUM], [
124 AC_MSG_CHECKING([whether to enable data checksum support])
125 AC_ARG_ENABLE([checksum],
126 AC_HELP_STRING([--disable-checksum],
127 [disable data checksum support]),
128 [], [enable_checksum="yes"])
129 AC_MSG_RESULT([$enable_checksum])
130 AS_IF([test "x$enable_checksum" != xno],
131 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
132 ]) # LC_CONFIG_CHECKSUM
137 # enable distributed flock by default
139 AC_DEFUN([LC_CONFIG_FLOCK], [
140 AC_MSG_CHECKING([whether to enable flock by default])
141 AC_ARG_ENABLE([flock],
142 AC_HELP_STRING([--disable-flock],
143 [disable flock by default]),
144 [], [enable_flock="yes"])
145 AC_MSG_RESULT([$enable_flock])
146 AS_IF([test "x$enable_flock" != xno],
147 [AC_DEFINE(ENABLE_FLOCK, 1, [enable flock by default])])
151 # LC_CONFIG_HEALTH_CHECK_WRITE
153 # Turn off the actual write to the disk
155 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
156 AC_MSG_CHECKING([whether to enable a write with the health check])
157 AC_ARG_ENABLE([health_write],
158 AC_HELP_STRING([--enable-health_write],
159 [enable disk writes when doing health check]),
160 [], [enable_health_write="no"])
161 AC_MSG_RESULT([$enable_health_write])
162 AS_IF([test "x$enable_health_write" != xno],
163 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
164 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
167 # LC_CONFIG_LRU_RESIZE
169 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
170 AC_MSG_CHECKING([whether to enable lru self-adjusting])
171 AC_ARG_ENABLE([lru_resize],
172 AC_HELP_STRING([--enable-lru-resize],
173 [enable lru resize support]),
174 [], [enable_lru_resize="yes"])
175 AC_MSG_RESULT([$enable_lru_resize])
176 AS_IF([test "x$enable_lru_resize" != xno],
177 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
178 ]) # LC_CONFIG_LRU_RESIZE
183 # Quota support. The kernel must support CONFIG_QUOTA.
185 AC_DEFUN([LC_QUOTA_CONFIG], [
186 LB_CHECK_CONFIG_IM([QUOTA], [],
189 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
196 # fhandle kernel support for open_by_handle_at() and name_to_handle_at()
197 # system calls. The kernel must support CONFIG_FHANDLE.
199 AC_DEFUN([LC_CONFIG_FHANDLE], [
200 LB_CHECK_CONFIG_IM([FHANDLE], [],
203 Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.
205 ]) # LC_CONFIG_FHANDLE
208 # LC_POSIX_ACL_CONFIG
212 AC_DEFUN([LC_POSIX_ACL_CONFIG], [
213 LB_CHECK_CONFIG_IM([FS_POSIX_ACL],
214 [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])
216 ]) # LC_POSIX_ACL_CONFIG
218 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
219 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
222 # LC_CONFIG_GSS_KEYRING
224 # default 'auto', tests for dependencies, if found, enables;
225 # only called if gss is enabled
227 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
228 AC_MSG_CHECKING([whether to enable gss keyring backend])
229 AC_ARG_ENABLE([gss_keyring],
230 [AC_HELP_STRING([--disable-gss-keyring],
231 [disable gss keyring backend])],
232 [], [enable_gss_keyring="auto"])
233 AC_MSG_RESULT([$enable_gss_keyring])
234 AS_IF([test "x$enable_gss_keyring" != xno], [
235 LB_CHECK_CONFIG_IM([KEYS], [], [
236 gss_keyring_conf_test="fail"
237 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
239 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
240 gss_keyring_conf_test="fail"
241 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
243 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
244 AC_DEFINE([HAVE_GSS_KEYRING], [1],
245 [Define this if you enable gss keyring backend])
246 enable_gss_keyring="yes"
248 AS_IF([test "x$enable_gss_keyring" = xyes], [
249 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
253 ]) # LC_CONFIG_GSS_KEYRING
256 # LC_KEY_TYPE_INSTANTIATE_2ARGS
258 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
260 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
261 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
262 key_type_instantiate_2args, [
263 #include <linux/key-type.h>
265 ((struct key_type *)0)->instantiate(0, NULL);
267 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
268 [key_type->instantiate has two args])
270 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
275 AC_DEFUN([LC_CONFIG_SUNRPC], [
276 LB_CHECK_CONFIG_IM([SUNRPC], [], [
277 AS_IF([test "x$sunrpc_required" = xyes], [
280 kernel SUNRPC support is required by using GSS.
283 ]) # LC_CONFIG_SUNRPC
286 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
288 # Build gss and related tools of Lustre. Currently both kernel and user space
289 # parts are depend on linux platform.
291 AC_DEFUN([LC_CONFIG_GSS], [
292 AC_MSG_CHECKING([whether to enable gss support])
294 [AC_HELP_STRING([--enable-gss], [enable gss support])],
295 [], [enable_gss="auto"])
296 AC_MSG_RESULT([$enable_gss])
298 AC_ARG_VAR([TEST_JOBS],
299 [simultaneous jobs during configure (defaults to $(nproc))])
300 if test "x$ac_cv_env_TEST_JOBS_set" != "xset"; then
301 TEST_JOBS=${TEST_JOBS:-$(nproc)}
305 AC_ARG_VAR([TEST_DIR],
306 [location of temporary parallel configure tests (defaults to $PWD/lb2)])
307 TEST_DIR=${TEST_DIR:-$PWD/_lpb}
310 AS_IF([test "x$enable_gss" != xno], [
311 LC_CONFIG_GSS_KEYRING
312 LC_KEY_TYPE_INSTANTIATE_2ARGS
313 sunrpc_required=$enable_gss
317 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
318 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
319 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
320 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
321 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
322 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
323 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
324 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
326 require_krb5=$enable_gss
330 AS_IF([test -n "$KRBDIR"], [
331 gss_conf_test="success"
333 gss_conf_test="failure"
336 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
337 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
340 enable_gss_keyring="no"
344 enable_ssk=$enable_gss
346 enable_gss_keyring="no"
352 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
353 AC_DEFUN([LC_OPENSSL_SSK], [
354 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
355 AS_IF([test "x$enable_ssk" != xno], [
356 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
357 #include <openssl/hmac.h>
358 #include <openssl/evp.h>
362 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
364 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
365 [OpenSSL HMAC functions needed for SSK])],
368 AC_MSG_RESULT([$enable_ssk])
371 # LC_OPENSSL_GETSEPOL
373 # OpenSSL is needed for l_getsepol
374 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
375 AC_MSG_CHECKING([whether openssl-devel is present])
376 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
377 #include <openssl/evp.h>
380 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
383 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
384 enable_getsepol="yes"
390 No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
393 AC_MSG_RESULT([$enable_getsepol])
394 ]) # LC_OPENSSL_GETSEPOL
397 AC_DEFUN([LC_HAVE_LIBAIO], [
398 AC_CHECK_HEADER([libaio.h],
400 AC_MSG_WARN([libaio is not installed in the system]))
403 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
404 LB_CHECK_COMPILE([if get_projid exists],
407 #include <linux/quota.h>
409 struct dquot_operations ops = { };
411 ops.get_projid(NULL, NULL);
413 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
414 [get_projid function exists])
416 ]) # LC_HAVE_PROJECT_QUOTA
419 # LC_INVALIDATE_RANGE
421 # 3.11 invalidatepage requires the length of the range to invalidate
423 AC_DEFUN([LC_INVALIDATE_RANGE], [
424 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
425 address_space_ops_invalidatepage_3args, [
426 #include <linux/fs.h>
428 struct address_space_operations a_ops;
429 a_ops.invalidatepage(NULL, 0, 0);
431 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
432 [address_space_operations.invalidatepage needs 3 arguments])
434 ]) # LC_INVALIDATE_RANGE
437 # LC_HAVE_DIR_CONTEXT
439 # 3.11 readdir now takes the new struct dir_context
441 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
442 LB_CHECK_COMPILE([if 'dir_context' exist],
444 #include <linux/fs.h>
446 #ifdef FMODE_KABI_ITERATE
447 #error "back to use readdir in kabi_extand mode"
449 struct dir_context ctx;
454 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
457 ]) # LC_HAVE_DIR_CONTEXT
462 # 3.11 dentry_operations.d_compare() taken 5 arguments.
464 AC_DEFUN([LC_D_COMPARE_5ARGS], [
465 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
467 #include <linux/dcache.h>
469 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
471 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
472 [d_compare need 5 arguments])
474 ]) # LC_D_COMPARE_5ARGS
479 # 3.11 need to access d_count to get dentry reference count
481 AC_DEFUN([LC_HAVE_DCOUNT], [
482 LB_CHECK_COMPILE([if 'd_count' exists],
484 #include <linux/dcache.h>
486 struct dentry de = { };
489 count = d_count(&de);
491 AC_DEFINE(HAVE_D_COUNT, 1,
497 # LC_PID_NS_FOR_CHILDREN
499 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
501 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
502 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
503 pid_ns_for_children, [
504 #include <linux/nsproxy.h>
507 ns.pid_ns_for_children = NULL;
509 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
510 ['struct nsproxy' has 'pid_ns_for_children'])
512 ]) # LC_PID_NS_FOR_CHILDREN
515 # LC_OLDSIZE_TRUNCATE_PAGECACHE
517 # 3.12 truncate_pagecache without oldsize parameter
519 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
520 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
521 truncate_pagecache_old_size, [
522 #include <linux/mm.h>
524 truncate_pagecache(NULL, 0, 0);
526 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
529 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
534 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
535 # It was added to linux kernel 3.12
537 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
538 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
540 #include <linux/err.h>
542 if (PTR_ERR_OR_ZERO(NULL)) return 0;
544 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
545 ['PTR_ERR_OR_ZERO' exist])
547 ]) # LC_PTR_ERR_OR_ZERO_MISSING
550 # LC_HAVE_DENTRY_D_U_D_ALIAS
552 # 3.11 kernel moved d_alias to the union d_u in struct dentry
554 # Some distros move d_alias to d_u but it is still a struct list
556 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
557 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
558 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
560 #include <linux/list.h>
561 #include <linux/dcache.h>
564 INIT_LIST_HEAD(&de.d_u.d_alias);
566 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
567 [list dentry.d_u.d_alias exist])
570 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
572 #include <linux/list.h>
573 #include <linux/dcache.h>
576 INIT_HLIST_NODE(&de.d_u.d_alias);
578 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
579 [hlist dentry.d_u.d_alias exist])
582 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
585 # LC_HAVE_DENTRY_D_CHILD
587 # 3.11 kernel d_child has been moved out of the union d_u
590 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
591 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
593 #include <linux/list.h>
594 #include <linux/dcache.h>
597 INIT_LIST_HEAD(&de.d_child);
599 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
600 [dentry.d_child exist])
602 ]) # LC_HAVE_DENTRY_D_CHILD
607 # 3.12 ki_left removed from struct kiocb
609 AC_DEFUN([LC_KIOCB_KI_LEFT], [
610 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
612 #include <linux/aio.h>
614 ((struct kiocb*)0)->ki_left = 0;
616 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
619 ]) # LC_KIOCB_KI_LEFT
622 # LC_VFS_RENAME_5ARGS
624 # 3.13 has vfs_rename with 5 args
626 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
627 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
629 #include <linux/fs.h>
631 vfs_rename(NULL, NULL, NULL, NULL, NULL);
633 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
634 [kernel has vfs_rename with 5 args])
636 ]) # LC_VFS_RENAME_5ARGS
639 # LC_VFS_UNLINK_3ARGS
641 # 3.13 has vfs_unlink with 3 args
643 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
644 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
646 #include <linux/fs.h>
648 vfs_unlink(NULL, NULL, NULL);
650 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
651 [kernel has vfs_unlink with 3 args])
653 ]) # LC_VFS_UNLINK_3ARGS
655 # LC_HAVE_D_IS_POSITIVE
657 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
658 # d_is_positive is added
660 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
661 LB_CHECK_COMPILE([if 'd_is_positive' exist],
663 #include <linux/dcache.h>
667 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
668 ['d_is_positive' is available])
670 ]) # LC_HAVE_D_IS_POSITIVE
675 # 3.14 move some of its data in struct bio into the new
678 AC_DEFUN([LC_HAVE_BVEC_ITER], [
679 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
681 #include <linux/bio.h>
683 struct bvec_iter iter;
685 iter.bi_bvec_done = 0;
687 AC_DEFINE(HAVE_BVEC_ITER, 1,
688 [kernel has struct bvec_iter])
690 ]) # LC_HAVE_BVEC_ITER
695 # 3.14 adds set_acl method to inode_operations
696 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
698 AC_DEFUN([LC_IOP_SET_ACL], [
699 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
701 #include <linux/fs.h>
703 struct inode_operations iop;
706 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
707 [inode_operations has .set_acl member function])
712 # LC_HAVE_TRUNCATE_IPAGE_FINAL
714 # 3.14 bring truncate_inode_pages_final for evict_inode
716 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
717 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
718 truncate_ipages_final, [
719 #include <linux/mm.h>
721 truncate_inode_pages_final(NULL);
723 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
724 [kernel has truncate_inode_pages_final])
726 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
729 # LC_IOPS_RENAME_WITH_FLAGS
731 # 3.14 has inode_operations->rename with 5 args
732 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
734 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
735 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
736 iops_rename_with_flags, [
737 #include <linux/fs.h>
739 struct inode *i1 = NULL, *i2 = NULL;
740 struct dentry *d1 = NULL, *d2 = NULL;
742 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
744 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
745 [inode_operations->rename need flags as argument])
747 ]) # LC_IOPS_RENAME_WITH_FLAGS
750 # LC_VFS_RENAME_6ARGS
752 # 3.15 has vfs_rename with 6 args
754 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
755 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
757 #include <linux/fs.h>
759 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
761 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
762 [kernel has vfs_rename with 6 args])
764 ]) # LC_VFS_RENAME_6ARGS
767 # LC_DIRECTIO_USE_ITER
769 # 3.16 kernel changes direct IO to use iov_iter
771 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
772 LB_CHECK_COMPILE([if direct IO uses iov_iter],
774 #include <linux/fs.h>
776 struct address_space_operations ops = { };
777 struct iov_iter *iter = NULL;
780 ops.direct_IO(0, NULL, iter, offset);
782 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
783 [direct IO uses iov_iter])
785 ]) # LC_DIRECTIO_USE_ITER
788 # LC_HAVE_IOV_ITER_INIT_DIRECTION
791 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
792 # changed iov_iter_init api to start accepting a tag
793 # that defines if its a read or write operation
795 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
796 tmp_flags="$EXTRA_KCFLAGS"
797 EXTRA_KCFLAGS="-Werror"
798 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
800 #include <linux/uio.h>
801 #include <linux/fs.h>
803 const struct iovec *iov = NULL;
805 iov_iter_init(NULL, READ, iov, 1, 0);
807 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
808 [iov_iter_init handles directional tag])
810 EXTRA_KCFLAGS="$tmp_flags"
811 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
814 # LC_HAVE_IOV_ITER_TRUNCATE
817 # 3.16 introduces a new API iov_iter_truncate()
819 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
820 tmp_flags="$EXTRA_KCFLAGS"
821 EXTRA_KCFLAGS="-Werror"
822 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
824 #include <linux/uio.h>
825 #include <linux/fs.h>
827 struct iov_iter *i = NULL;
829 iov_iter_truncate(i, 0);
831 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
833 EXTRA_KCFLAGS="$tmp_flags"
834 ]) # LC_HAVE_IOV_ITER_TRUNCATE
837 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
839 # 3.16 introduces [read|write]_iter to struct file_operations
841 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
842 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
843 file_function_iter, [
844 #include <linux/fs.h>
846 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
847 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
849 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
850 [file_operations.[read|write]_iter functions exist])
852 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
855 # LC_HAVE_INTERVAL_BLK_INTEGRITY
857 # 3.17 replace sector_size with interval in struct blk_integrity
859 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
860 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
861 interval_blk_integrity, [
862 #include <linux/blkdev.h>
864 ((struct blk_integrity *)0)->interval = 0;
866 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
867 [blk_integrity.interval exist])
869 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
874 # 3.17 replaces key_type::match with match_preparse
875 # and has new struct key_match_data
877 AC_DEFUN([LC_KEY_MATCH_DATA], [
878 LB_CHECK_COMPILE([if struct key_match field exist],
880 #include <linux/key-type.h>
882 struct key_match_data data;
884 data.raw_data = NULL;
886 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
887 [struct key_match_data exist])
889 ]) # LC_KEY_MATCH_DATA
892 # LC_NFS_FILLDIR_USE_CTX
894 # 3.18 kernel moved from void cookie to struct dir_context
896 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
897 tmp_flags="$EXTRA_KCFLAGS"
898 EXTRA_KCFLAGS="-Werror"
899 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
901 #include <linux/fs.h>
903 int filldir(struct dir_context *ctx, const char* name,
904 int i, loff_t off, u64 tmp, unsigned temp)
909 struct dir_context ctx = {
913 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
915 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
916 [filldir_t needs struct dir_context as argument])
918 EXTRA_KCFLAGS="$tmp_flags"
919 ]) # LC_NFS_FILLDIR_USE_CTX
922 # LC_PERCPU_COUNTER_INIT
924 # 3.18 For kernels 3.18 and after percpu_counter_init starts
925 # to pass a GFP_* memory allocation flag for internal
926 # memory allocation purposes.
928 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
929 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
930 percpu_counter_init, [
931 #include <linux/percpu_counter.h>
933 percpu_counter_init(NULL, 0, GFP_KERNEL);
935 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
936 [percpu_counter_init uses GFP_* flag])
938 ]) # LC_PERCPU_COUNTER_INIT
941 # LC_KIOCB_HAS_NBYTES
943 # 3.19 kernel removed ki_nbytes from struct kiocb
945 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
946 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
948 #include <linux/fs.h>
950 struct kiocb iocb = { };
954 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
956 ]) # LC_KIOCB_HAS_NBYTES
959 # LC_HAVE_DQUOT_QC_DQBLK
961 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
962 # Added in commit 14bf61ffe
964 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
965 tmp_flags="$EXTRA_KCFLAGS"
966 EXTRA_KCFLAGS="-Werror"
967 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
969 #include <linux/fs.h>
970 #include <linux/quota.h>
972 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
974 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
975 [quotactl_ops.set_dqblk takes struct qc_dqblk])
976 AC_DEFINE(HAVE_DQUOT_KQID, 1,
977 [quotactl_ops.set_dqblk takes struct kqid])
979 EXTRA_KCFLAGS="$tmp_flags"
980 ]) # LC_HAVE_DQUOT_QC_DQBLK
983 # LC_HAVE_AIO_COMPLETE
985 # 3.19 kernel makes aio_complete() static
987 AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
988 LB_CHECK_COMPILE([if kernel has exported aio_complete() ],
990 #include <linux/aio.h>
992 aio_complete(NULL, 0, 0);
994 AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
996 ]) # LC_HAVE_AIO_COMPLETE
999 # LC_HAVE_IS_ROOT_INODE
1001 # 3.19 kernel adds is_root_inode()
1002 # Commit a7400222e3eb ("new helper: is_root_inode()")
1004 AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
1005 LB_CHECK_COMPILE([if kernel has is_root_inode() ],
1007 #include <linux/fs.h>
1009 is_root_inode(NULL);
1011 AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
1013 ]) # LC_HAVE_IS_ROOT_INODE
1016 # LC_BACKING_DEV_INFO_REMOVAL
1018 # 3.20 kernel removed backing_dev_info from address_space
1020 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1021 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
1023 #include <linux/fs.h>
1025 struct address_space mapping;
1027 mapping.backing_dev_info = NULL;
1029 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1031 ]) # LC_BACKING_DEV_INFO_REMOVAL
1034 # LC_HAVE_BDI_CAP_MAP_COPY
1036 # 3.20 removed mmap handling for backing devices since
1037 # it breaks on non-MMU systems. See kernel commit
1038 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1040 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1041 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
1043 #include <linux/backing-dev.h>
1045 struct backing_dev_info info;
1047 info.capabilities = BDI_CAP_MAP_COPY;
1049 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1050 [BDI_CAP_MAP_COPY exist])
1052 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1057 # 4.1 kernel has iov_iter_rw
1059 AC_DEFUN([LC_IOV_ITER_RW], [
1060 LB_CHECK_COMPILE([if iov_iter_rw exist],
1062 #include <linux/fs.h>
1063 #include <linux/uio.h>
1065 struct iov_iter *iter = NULL;
1069 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
1070 [iov_iter_rw exist])
1075 # LC_HAVE_SYNC_READ_WRITE
1077 # 4.1 new_sync_[read|write] no longer exported
1079 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1080 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1081 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1082 [new_sync_[read|write] is exported by the kernel])])
1083 ]) # LC_HAVE_SYNC_READ_WRITE
1088 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
1090 AC_DEFUN([LC_HAVE___BI_CNT], [
1091 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
1093 #include <asm/atomic.h>
1094 #include <linux/bio.h>
1095 #include <linux/blk_types.h>
1097 struct bio bio = { };
1099 cnt = atomic_read(&bio.__bi_cnt);
1101 AC_DEFINE(HAVE___BI_CNT, 1,
1102 [struct bio has __bi_cnt])
1104 ]) # LC_HAVE___BI_CNT
1107 # LC_SYMLINK_OPS_USE_NAMEIDATA
1109 # For the 4.2+ kernels the file system internal symlink api no
1110 # longer uses struct nameidata as a argument
1112 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1113 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
1114 symlink_use_nameidata, [
1115 #include <linux/namei.h>
1116 #include <linux/fs.h>
1118 struct nameidata *nd = NULL;
1120 ((struct inode_operations *)0)->follow_link(NULL, nd);
1121 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1123 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1124 [symlink inode operations need struct nameidata argument])
1126 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1129 # LC_BIO_ENDIO_USES_ONE_ARG
1131 # 4.2 kernel bio_endio now only takes one argument
1133 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1134 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
1136 #include <linux/bio.h>
1140 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1141 [bio_endio takes only one argument])
1143 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1146 # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1148 # 4.2 [to 4.5] kernel page dirtied takes 3 arguments
1150 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
1151 LB_CHECK_COMPILE([if 'account_page_dirtied' with 3 args exists],
1152 account_page_dirtied, [
1153 #include <linux/mm.h>
1155 account_page_dirtied(NULL, NULL, NULL);
1157 AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
1158 [account_page_dirtied takes three arguments])
1160 ]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
1163 # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1165 # Kernel version 4.12 commit 7a7ffe65c8c5
1166 # introduced crypto_alloc_skcipher().
1168 AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
1169 LB_CHECK_COMPILE([if crypto_alloc_skcipher is defined],
1170 crypto_alloc_skcipher, [
1171 #include <crypto/skcipher.h>
1173 crypto_alloc_skcipher(NULL, 0, 0);
1175 AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
1176 [crypto_alloc_skcipher is defined])
1178 ]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
1181 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1183 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
1184 # 'struct blk_integrity_profile' is also added in this version,
1185 # thus use this to determine whether 'struct blk_integrity' has profile
1187 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
1188 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
1189 blk_integrity_interval_exp, [
1190 #include <linux/blkdev.h>
1192 ((struct blk_integrity *)0)->interval_exp = 0;
1194 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
1195 [blk_integrity.interval_exp exist])
1197 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
1200 # LC_HAVE_CACHE_HEAD_HLIST
1202 # 4.3 kernel swiched to hlist for cache_head
1204 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1205 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
1206 cache_head_has_hlist, [
1207 #include <linux/sunrpc/cache.h>
1209 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1211 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1212 [cache_head has hlist cache_list])
1214 ]) # LC_HAVE_CACHE_HEAD_HLIST
1217 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1219 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
1220 # simplified xattr_handler handling by passing in the handler pointer
1222 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
1223 tmp_flags="$EXTRA_KCFLAGS"
1224 EXTRA_KCFLAGS="-Werror"
1225 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
1226 xattr_handler_simplified, [
1227 #include <linux/xattr.h>
1229 struct xattr_handler handler;
1231 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
1232 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
1234 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
1236 EXTRA_KCFLAGS="$tmp_flags"
1237 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
1240 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1242 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
1244 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
1245 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
1246 bio_integrity_payload_bip_iter, [
1247 #include <linux/bio.h>
1249 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
1251 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
1252 [bio_integrity_payload.bip_iter exist])
1254 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
1257 # LC_BIO_INTEGRITY_PREP_FN
1259 # Lustre kernel patch extents bio_integrity_prep to accept optional
1260 # generate/verify_fn as extra args.
1262 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
1263 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
1264 bio_integrity_prep_fn, [
1265 #include <linux/bio.h>
1267 bio_integrity_prep_fn(NULL, NULL, NULL);
1269 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
1270 [kernel has bio_integrity_prep_fn])
1271 AC_SUBST(PATCHED_INTEGRITY_INTF)
1273 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
1275 ]) # LC_BIO_INTEGRITY_PREP_FN
1280 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
1282 AC_DEFUN([LC_HAVE_BI_OPF], [
1283 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
1285 #include <linux/bio.h>
1291 AC_DEFINE(HAVE_BI_OPF, 1,
1292 [struct bio has bi_opf])
1297 # LC_HAVE_SUBMIT_BIO_2ARGS
1299 # 4.4 removed an argument from submit_bio
1301 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1302 LB_CHECK_COMPILE([if submit_bio takes two arguments],
1303 have_submit_bio_2args, [
1304 #include <linux/bio.h>
1307 submit_bio(READ, &bio);
1309 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1310 [submit_bio takes two arguments])
1312 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1315 # LC_HAVE_CLEAN_BDEV_ALIASES
1317 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
1318 # (SLES12/kernel commit 29f3ad7d8380364c)
1320 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1321 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
1322 have_clean_bdev_aliases, [
1323 #include <linux/buffer_head.h>
1325 clean_bdev_aliases(NULL,1,1);
1327 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1328 [kernel has clean_bdev_aliases])
1330 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1333 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1335 # 4.4 kernel have moved locks API users to
1336 # locks_lock_inode_wait()
1338 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
1339 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
1340 locks_lock_file_wait, [
1341 #include <linux/fs.h>
1343 locks_lock_file_wait(NULL, NULL);
1345 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
1346 [kernel has locks_lock_file_wait])
1348 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1351 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1353 # 4.4 kernel merged type-specific data with the payload data for keys
1355 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
1356 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
1357 key_payload_data_array, [
1358 #include <linux/key.h>
1360 struct key key = { };
1362 key.payload.data[0] = NULL;
1364 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
1366 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
1369 # LC_HAVE_XATTR_HANDLER_NAME
1371 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
1372 # add a name member to struct xattr_handler
1374 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
1375 tmp_flags="$EXTRA_KCFLAGS"
1376 EXTRA_KCFLAGS="-Werror"
1377 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
1378 xattr_handler_name, [
1379 #include <linux/xattr.h>
1381 ((struct xattr_handler *)NULL)->name = NULL;
1383 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
1385 EXTRA_KCFLAGS="$tmp_flags"
1386 ]) # LC_HAVE_XATTR_HANDLER_NAME
1389 # LC_HAVE_FILE_DENTRY
1391 # 4.5 adds wrapper file_dentry
1393 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
1394 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
1396 #include <linux/fs.h>
1400 AC_DEFINE(HAVE_FILE_DENTRY, 1,
1401 [kernel has file_dentry])
1403 ]) # LC_HAVE_FILE_DENTRY
1406 # LC_HAVE_INODE_LOCK
1408 # 4.5 introduced inode_lock
1410 AC_DEFUN([LC_HAVE_INODE_LOCK], [
1411 LB_CHECK_COMPILE([if 'inode_lock' is defined],
1413 #include <linux/fs.h>
1417 AC_DEFINE(HAVE_INODE_LOCK, 1,
1418 [inode_lock is defined])
1420 ]) # LC_HAVE_INODE_LOCK
1423 # LC_HAVE_IOP_GET_LINK
1425 # 4.5 vfs replaced iop->follow_link with
1428 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
1429 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
1430 inode_ops_get_link, [
1431 #include <linux/fs.h>
1433 struct inode_operations iop;
1434 iop.get_link = NULL;
1436 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
1437 [have iop get_link])
1439 ]) # LC_HAVE_IOP_GET_LINK
1442 # LC_HAVE_IN_COMPAT_SYSCALL
1444 # 4.6 renamed is_compat_task to in_compat_syscall
1446 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
1447 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
1448 in_compat_syscall, [
1449 #include <linux/compat.h>
1451 in_compat_syscall();
1453 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
1454 [have in_compat_syscall])
1456 ]) # LC_HAVE_IN_COMPAT_SYSCALL
1459 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1461 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
1462 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
1463 # to xattr_handler functions
1465 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
1466 tmp_flags="$EXTRA_KCFLAGS"
1467 EXTRA_KCFLAGS="-Werror"
1468 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
1469 xattr_handler_inode_param, [
1470 #include <linux/xattr.h>
1472 const struct xattr_handler handler;
1474 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
1475 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
1477 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
1479 EXTRA_KCFLAGS="$tmp_flags"
1480 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
1485 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
1486 # introduced parallel lookups in the VFS layer. The inline function
1487 # d_in_lookup was added to notify when the same item was being queried
1490 AC_DEFUN([LC_D_IN_LOOKUP], [
1491 tmp_flags="$EXTRA_KCFLAGS"
1492 EXTRA_KCFLAGS="-Werror"
1493 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
1495 #include <linux/dcache.h>
1499 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
1501 EXTRA_KCFLAGS="$tmp_flags"
1505 # LC_LOCK_PAGE_MEMCG
1507 # Kernel version 4.6 adds lock_page_memcg
1509 AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
1510 LB_CHECK_COMPILE([if 'lock_page_memcg' is defined],
1512 #include <linux/memcontrol.h>
1514 lock_page_memcg(NULL);
1516 AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1,
1517 [lock_page_memcg is defined])
1519 ]) # LC_LOCK_PAGE_MEMCG
1524 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
1525 # direct-io: eliminate the offset argument to ->direct_IO
1527 AC_DEFUN([LC_DIRECTIO_2ARGS], [
1528 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
1530 #include <linux/fs.h>
1532 struct address_space_operations ops = { };
1533 struct iov_iter *iter = NULL;
1534 struct kiocb *iocb = NULL;
1537 rc = ops.direct_IO(iocb, iter);
1539 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
1540 [direct_IO need 2 arguments])
1542 ]) # LC_DIRECTIO_2ARGS
1545 # LC_GENERIC_WRITE_SYNC_2ARGS
1547 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
1548 # fs: add IOCB_SYNC and IOCB_DSYNC
1550 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
1551 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
1552 generic_write_sync_2args, [
1553 #include <linux/fs.h>
1555 struct kiocb *iocb = NULL;
1558 rc = generic_write_sync(iocb, 0);
1560 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
1561 [generic_write_sync need 2 arguments])
1563 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
1566 # LC_FOP_ITERATE_SHARED
1568 # Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
1570 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
1571 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
1572 fop_iterate_shared, [
1573 #include <linux/fs.h>
1575 struct file_operations fop;
1576 fop.iterate_shared = NULL;
1578 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
1579 [file_operations has iterate_shared])
1581 ]) # LC_FOP_ITERATE_SHARED
1584 # LC_EXPORT_DEFAULT_FILE_SPLICE_READ
1586 # 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
1587 # generic_file_splice_read() to using ->read_iter. We can test this
1588 # change since default_file_splice_read() is no longer exported.
1590 AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
1591 LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
1592 [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
1593 [default_file_splice_read is exported])])
1594 ]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
1597 # LC_HAVE_POSIX_ACL_VALID_USER_NS
1599 # 4.8 posix_acl_valid takes struct user_namespace
1601 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
1602 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
1604 #include <linux/fs.h>
1605 #include <linux/posix_acl.h>
1607 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
1609 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
1610 [posix_acl_valid takes struct user_namespace])
1612 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
1615 # LC_D_COMPARE_4ARGS
1617 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
1618 # get rid of 'parent' argument of ->d_compare()
1620 AC_DEFUN([LC_D_COMPARE_4ARGS], [
1621 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
1623 #include <linux/dcache.h>
1625 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
1627 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
1628 [d_compare need 4 arguments])
1630 ]) # LC_D_COMPARE_4ARGS
1633 # LC_FULL_NAME_HASH_3ARGS
1635 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
1636 # vfs: make the string hashes salt the hash
1638 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
1639 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
1640 full_name_hash_3args, [
1641 #include <linux/stringhash.h>
1644 hash = full_name_hash(NULL,NULL,0);
1646 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
1647 [full_name_hash need 3 arguments])
1649 ]) # LC_FULL_NAME_HASH_3ARGS
1652 # LC_STRUCT_POSIX_ACL_XATTR
1654 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
1655 # posix_acl: xattr representation cleanups
1657 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
1658 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
1659 struct_posix_acl_xattr, [
1660 #include <linux/fs.h>
1661 #include <linux/posix_acl_xattr.h>
1663 struct posix_acl_xattr_header *h = NULL;
1664 struct posix_acl_xattr_entry *e;
1665 e = (void *)(h + 1);
1667 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
1668 [struct posix_acl_xattr_{header,entry} defined])
1670 ]) # LC_STRUCT_POSIX_ACL_XATTR
1675 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
1676 # removed {get,set,remove}xattr inode operations
1678 AC_DEFUN([LC_IOP_XATTR], [
1679 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
1681 #include <linux/fs.h>
1683 struct inode_operations iop;
1684 iop.setxattr = NULL;
1685 iop.getxattr = NULL;
1686 iop.removexattr = NULL;
1688 AC_DEFINE(HAVE_IOP_XATTR, 1,
1689 [inode_operations has {get,set,remove}xattr members])
1696 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
1697 # cred: simpler, 1D supplementary groups
1699 AC_DEFUN([LC_GROUP_INFO_GID], [
1700 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
1702 #include <linux/cred.h>
1705 p = ((struct group_info *)0)->gid;
1707 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
1708 [struct group_info has member gid])
1710 ]) # LC_GROUP_INFO_GID
1715 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
1716 # added __vfs_{get,set,remove}xattr helpers
1718 AC_DEFUN([LC_VFS_SETXATTR], [
1719 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
1721 #include <linux/xattr.h>
1723 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
1725 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
1726 ['__vfs_setxattr is available])
1728 ]) # LC_VFS_SETXATTR
1731 # LC_POSIX_ACL_UPDATE_MODE
1733 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
1734 # posix_acl: Clear SGID bit when setting file permissions
1736 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
1737 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
1738 posix_acl_update_mode, [
1739 #include <linux/fs.h>
1740 #include <linux/posix_acl.h>
1742 posix_acl_update_mode(NULL, NULL, NULL);
1744 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
1745 ['posix_acl_update_mode' is available])
1747 ]) # LC_POSIX_ACL_UPDATE_MODE
1750 # LC_IOP_GENERIC_READLINK
1752 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
1753 # removed generic_readlink from individual file systems
1755 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
1756 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
1757 inode_ops_readlink, [
1758 #include <linux/fs.h>
1760 struct inode_operations iop;
1761 iop.readlink = generic_readlink;
1763 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
1764 [generic_readlink has been removed])
1766 ]) # LC_IOP_GENERIC_READLINK
1769 # LC_HAVE_VM_FAULT_ADDRESS
1771 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
1772 # removed virtual_address field. Need to use address field instead
1774 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
1775 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
1777 #include <linux/mm.h>
1779 struct vm_fault vmf;
1782 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
1783 [virtual_address has been replaced by address field])
1785 ]) # LC_HAVE_VM_FAULT_ADDRESS
1788 # LC_INODEOPS_ENHANCED_GETATTR
1790 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
1791 # expanded getattr to be able to get more stat information.
1793 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
1794 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
1796 #include <linux/fs.h>
1800 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
1802 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
1803 [inode_operations .getattr member function can gather advance stats])
1805 ]) # LC_INODEOPS_ENHANCED_GETATTR
1808 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1810 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
1811 # removed struct vm_area_struct as an argument for vm_operations since
1812 # in the same kernel version struct vma_area_struct was folded into
1815 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
1816 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
1817 vm_operations_no_vm_area_struct, [
1818 #include <linux/mm.h>
1820 struct vm_fault vmf;
1822 ((struct vm_operations_struct *)0)->fault(&vmf);
1823 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
1825 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
1826 ['struct vm_operations' remove struct vm_area_struct argument])
1828 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
1831 # LC_HAVE_KEY_USAGE_REFCOUNT
1833 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
1834 # converted key.usage from atomic_t to refcount_t.
1836 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
1837 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
1838 key_usage_refcount, [
1839 #include <linux/key.h>
1841 struct key key = { };
1843 refcount_read(&key.usage);
1845 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
1847 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
1850 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1852 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
1853 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
1855 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
1856 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
1857 crypto_max_alg_name, [
1858 #include <linux/crypto.h>
1860 #if CRYPTO_MAX_ALG_NAME != 128
1864 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
1865 ['CRYPTO_MAX_ALG_NAME' is 128])
1867 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
1870 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
1871 # CURRENT_TIME is not 64 bit time safe so it was replaced with
1874 AC_DEFUN([LC_CURRENT_TIME], [
1875 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
1877 #include <linux/fs.h>
1881 attr.ia_atime = current_time(NULL);
1883 AC_DEFINE(HAVE_CURRENT_TIME, 1,
1884 [current_time() has replaced CURRENT_TIME])
1886 ]) # LIBCFS_CURRENT_TIME
1889 # Kernel version 4.12-rc3 85787090a21eb749d8b347eaf9ff1a455637473c
1890 # changed struct super_block s_uuid into a proper uuid_t
1892 AC_DEFUN([LC_SUPER_BLOCK_S_UUID], [
1893 LB_CHECK_COMPILE([if 'struct super_block' s_uuid is uuid_t],
1894 super_block_s_uuid, [
1895 #include <linux/fs.h>
1897 struct super_block sb;
1899 uuid_parse(NULL, &sb.s_uuid);
1901 AC_DEFINE(HAVE_S_UUID_AS_UUID_T, 1, ['s_uuid' is an uuid_t])
1903 ]) # LC_SUPER_BLOCK_S_UUID
1906 # LC_SUPER_SETUP_BDI_NAME
1908 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
1909 # unified bdi handling
1911 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
1912 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
1913 super_setup_bdi_name, [
1914 #include <linux/fs.h>
1916 super_setup_bdi_name(NULL, "lustre");
1918 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
1919 ['super_setup_bdi_name' is available])
1921 ]) # LC_SUPER_SETUP_BDI_NAME
1926 # 4.12 replace bi_error to bi_status
1928 AC_DEFUN([LC_BI_STATUS], [
1929 LB_CHECK_COMPILE([if 'bi_status' exist],
1931 #include <linux/blk_types.h>
1933 ((struct bio *)0)->bi_status = 0;
1935 AC_DEFINE(HAVE_BI_STATUS, 1,
1936 ['bi_status' is available])
1941 # LC_BIO_INTEGRITY_ENABLED
1943 # 4.13 removed bio_integrity_enabled
1945 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
1946 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
1947 bio_integrity_enabled, [
1948 #include <linux/bio.h>
1950 bio_integrity_enabled(NULL);
1952 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
1953 ['bio_integrity_enabled' is available])
1955 ]) # LC_BIO_INTEGRITY_ENABLED
1958 # LC_PAGEVEC_INIT_ONE_PARAM
1960 # 4.14 pagevec_init takes one parameter
1962 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
1963 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
1965 #include <linux/pagevec.h>
1969 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
1970 ['pagevec_init' takes one parameter])
1972 ]) # LC_PAGEVEC_INIT_ONE_PARAM
1977 # 4.14 replaced bi_bdev to bi_disk
1979 AC_DEFUN([LC_BI_BDEV], [
1980 LB_CHECK_COMPILE([if 'bi_bdev' exist],
1982 #include <linux/bio.h>
1984 ((struct bio *)0)->bi_bdev = NULL;
1986 AC_DEFINE(HAVE_BI_BDEV, 1,
1987 ['bi_bdev' is available])
1994 # 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
1996 AC_DEFUN([LC_IS_ENCRYPTED], [
1997 LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
1999 #include <linux/fs.h>
2001 IS_ENCRYPTED((struct inode *)0);
2003 has_is_encrypted="yes"
2005 ]) # LC_IS_ENCRYPTED
2010 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
2012 AC_DEFUN([LC_I_PAGES], [
2013 LB_CHECK_COMPILE([if struct address_space has i_pages],
2015 #include <linux/fs.h>
2017 struct address_space mapping = {};
2020 i_pages = &mapping.i_pages;
2022 AC_DEFINE(HAVE_I_PAGES, 1,
2023 [struct address_space has i_pages])
2030 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2031 # mm: create the new vm_fault_t type
2033 AC_DEFUN([LC_VM_FAULT_T], [
2034 LB_CHECK_COMPILE([if vm_fault_t type exists],
2036 #include <linux/mm_types.h>
2038 vm_fault_t x = VM_FAULT_SIGBUS;
2041 AC_DEFINE(HAVE_VM_FAULT_T, 1,
2042 [if vm_fault_t type exists])
2049 # kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
2050 # mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
2052 AC_DEFUN([LC_VM_FAULT_RETRY], [
2053 LB_CHECK_COMPILE([if VM_FAULT_RETRY is defined],
2055 #include <linux/mm.h>
2057 #ifndef VM_FAULT_RETRY
2062 AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
2063 [if VM_FAULT_RETRY is defined])
2065 ]) # LC_VM_FAULT_RETRY
2068 # LC_INODE_TIMESPEC64
2070 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
2071 # fs: add timespec64_truncate()
2072 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
2073 # inode timestamps switched to timespec64
2074 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
2075 # y2038: remove unused time interfaces
2079 # When inode times are timespec64 stop using the deprecated
2082 # kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
2083 # fs: Delete timespec64_trunc()
2085 AC_DEFUN([LC_INODE_TIMESPEC64], [
2086 tmp_flags="$EXTRA_KCFLAGS"
2087 EXTRA_KCFLAGS="-Werror"
2088 LB_CHECK_COMPILE([if inode timestamps are struct timespec64],
2090 #include <linux/fs.h>
2092 struct inode *inode = NULL;
2093 struct timespec64 ts = {0, 1};
2095 inode->i_atime = ts;
2098 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
2099 [inode times are using timespec64])
2101 EXTRA_KCFLAGS="$tmp_flags"
2102 ]) # LC_INODE_TIMESPEC64
2107 # kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
2108 # xarray: Add XArray marks - replaced radix_tree_tag_set
2110 AC_DEFUN([LC___XA_SET_MARK], [
2111 tmp_flags="$EXTRA_KCFLAGS"
2112 EXTRA_KCFLAGS="-Werror"
2113 LB_CHECK_COMPILE([if '__xa_set_mark' exists],
2115 #include <linux/fs.h>
2116 #include <linux/radix-tree.h>
2118 radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
2120 AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
2121 [__xa_set_mark exists])
2123 EXTRA_KCFLAGS="$tmp_flags"
2124 ]) # LC___XA_SET_MARK
2127 # LC_UAPI_LINUX_MOUNT_H
2129 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
2130 # vfs: Suppress MS_* flag defs within the kernel ...
2132 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
2133 tmp_flags="$EXTRA_KCFLAGS"
2134 EXTRA_KCFLAGS="-Werror"
2135 LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
2137 #include <uapi/linux/mount.h>
2142 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
2143 [if MS_RDONLY was moved to uapi/linux/mount.h])
2145 EXTRA_KCFLAGS="$tmp_flags"
2146 ]) # LC_UAPI_LINUX_MOUNT_H
2149 # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2151 # kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
2152 # SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
2154 # Now that the reader functions are all RCU protected, use a regular
2155 # spinlock rather than a reader/writer lock.
2157 AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
2158 tmp_flags="$EXTRA_KCFLAGS"
2159 EXTRA_KCFLAGS="-Werror"
2160 LB_CHECK_COMPILE([if cache_detail->hash_lock is a spinlock],
2161 hash_lock_isa_spinlock_t, [
2162 #include <linux/sunrpc/cache.h>
2164 spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
2167 AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
2168 [if cache_detail->hash_lock is a spinlock])
2170 EXTRA_KCFLAGS="$tmp_flags"
2171 ]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2174 # LC_HAS_LINUX_SELINUX_ENABLED
2176 # kernel 5.1 commit 3d252529480c68bfd6a6774652df7c8968b28e41
2177 # SELinux: Remove unused selinux_is_enabled
2179 AC_DEFUN([LC_HAS_LINUX_SELINUX_ENABLED], [
2180 tmp_flags="$EXTRA_KCFLAGS"
2181 EXTRA_KCFLAGS="-Werror"
2182 LB_CHECK_COMPILE([if linux/selinux.h exists],
2183 selinux_is_enabled, [
2184 #include <linux/selinux.h>
2186 bool has_selinux = selinux_is_enabled();
2189 AC_DEFINE(HAVE_LINUX_SELINUX_IS_ENABLED, 1,
2190 [if linux/selinux.h exists])
2192 EXTRA_KCFLAGS="$tmp_flags"
2193 ]) # LC_HAS_LINUX_SELINUX_ENABLED
2196 # LB_HAVE_BVEC_ITER_ALL
2198 # kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
2199 # block: allow bio_for_each_segment_all() to iterate over multi-page bvec
2201 AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
2202 tmp_flags="$EXTRA_KCFLAGS"
2203 EXTRA_KCFLAGS="-Werror"
2204 LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
2206 #include <linux/bvec.h>
2208 struct bvec_iter_all iter;
2211 AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
2212 [if bvec_iter_all exists for multi-page bvec iternation])
2214 EXTRA_KCFLAGS="$tmp_flags"
2215 ]) # LB_HAVE_BVEC_ITER_ALL
2218 # LC_ACCOUNT_PAGE_DIRTIED
2220 # After 5.2 kernel page dirtied is not exported
2222 AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
2223 LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
2224 [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
2225 [account_page_dirtied is exported])])
2226 ]) # LC_ACCOUNT_PAGE_DIRTIED
2229 # LC_KEYRING_SEARCH_4ARGS
2231 # Kernel 5.2 commit dcf49dbc8077
2232 # keys: Add a 'recurse' flag for keyring searches
2234 AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
2235 LB_CHECK_COMPILE([if 'keyring_search' has 4 args],
2236 keyring_search_4args, [
2237 #include <linux/key.h>
2240 keyring_search(keyring, NULL, NULL, false);
2242 AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
2243 [keyring_search has 4 args])
2245 ]) # LC_KEYRING_SEARCH_4ARGS
2248 # LC_BIO_BI_PHYS_SEGMENTS
2250 # kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
2251 # block: remove the bi_phys_segments field in struct bio
2253 AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
2254 tmp_flags="$EXTRA_KCFLAGS"
2255 EXTRA_KCFLAGS="-Werror"
2256 LB_CHECK_COMPILE([if struct bio has bi_phys_segments member],
2257 bye_bio_bi_phys_segments, [
2258 #include <linux/bio.h>
2260 struct bio *bio = NULL;
2261 bio->bi_phys_segments++;
2263 AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
2264 [struct bio has bi_phys_segments member])
2266 EXTRA_KCFLAGS="$tmp_flags"
2267 ]) # LC_BIO_BI_PHYS_SEGMENTS
2270 # LC_LM_COMPARE_OWNER_EXISTS
2272 # kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
2273 # locks: Cleanup lm_compare_owner and lm_owner_key
2274 # removed lm_compare_owner
2276 AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
2277 tmp_flags="$EXTRA_KCFLAGS"
2278 EXTRA_KCFLAGS="-Werror"
2279 LB_CHECK_COMPILE([if lock_manager_operations has lm_compare_owner],
2280 lock_manager_ops_lm_compare_owner, [
2281 #include <linux/fs.h>
2283 struct lock_manager_operations lm_ops;
2284 lm_ops.lm_compare_owner = NULL;
2286 AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
2287 [lock_manager_operations has lm_compare_owner])
2289 EXTRA_KCFLAGS="$tmp_flags"
2290 ]) # LC_LM_COMPARE_OWNER_EXISTS
2292 AC_DEFUN([LC_PROG_LINUX_SRC], [])
2293 AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
2296 # LC_FSCRYPT_SUPPORT
2298 # 5.4 introduced fscrypt encryption policies v2
2300 AC_DEFUN([LC_FSCRYPT_SUPPORT], [
2301 LB_CHECK_COMPILE([for fscrypt in-kernel support],
2303 #define __FS_HAS_ENCRYPTION 0
2304 #include <linux/fscrypt.h>
2306 fscrypt_ioctl_get_policy_ex(NULL, NULL);
2308 dnl When Lustre supports file name encryption, restore "yes" value
2309 dnl for has_fscrypt_support and remove warning message.
2310 has_fscrypt_support="no"
2312 This version of Lustre lacks file name encryption support,
2313 so it cannot make use of in-kernel fscrypt.
2314 Will use embedded llcrypt if possible.])
2316 ]) # LC_FSCRYPT_SUPPORT
2321 # Lustre linux kernel checks
2323 AC_DEFUN([LC_PROG_LINUX], [
2324 AC_MSG_NOTICE([Lustre kernel checks
2325 ==============================================================================])
2330 LC_CONFIG_HEALTH_CHECK_WRITE
2331 LC_CONFIG_LRU_RESIZE
2335 LC_GLIBC_SUPPORT_FHANDLES
2336 LC_GLIBC_SUPPORT_COPY_FILE_RANGE
2341 LC_HAVE_PROJECT_QUOTA
2348 LC_HAVE_DENTRY_D_U_D_ALIAS
2349 LC_HAVE_DENTRY_D_CHILD
2350 LC_PID_NS_FOR_CHILDREN
2353 LC_OLDSIZE_TRUNCATE_PAGECACHE
2354 LC_PTR_ERR_OR_ZERO_MISSING
2360 LC_HAVE_D_IS_POSITIVE
2364 LC_HAVE_TRUNCATE_IPAGES_FINAL
2365 LC_IOPS_RENAME_WITH_FLAGS
2372 LC_DIRECTIO_USE_ITER
2373 LC_HAVE_IOV_ITER_INIT_DIRECTION
2374 LC_HAVE_IOV_ITER_TRUNCATE
2375 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2378 LC_HAVE_INTERVAL_BLK_INTEGRITY
2382 LC_PERCPU_COUNTER_INIT
2383 LC_NFS_FILLDIR_USE_CTX
2387 LC_HAVE_DQUOT_QC_DQBLK
2388 LC_HAVE_AIO_COMPLETE
2389 LC_HAVE_IS_ROOT_INODE
2392 LC_BACKING_DEV_INFO_REMOVAL
2393 LC_HAVE_BDI_CAP_MAP_COPY
2397 LC_HAVE_SYNC_READ_WRITE
2401 LC_BIO_ENDIO_USES_ONE_ARG
2402 LC_SYMLINK_OPS_USE_NAMEIDATA
2403 LC_ACCOUNT_PAGE_DIRTIED_3ARGS
2404 LC_HAVE_CRYPTO_ALLOC_SKCIPHER
2407 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2408 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2409 LC_HAVE_CACHE_HEAD_HLIST
2410 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2413 LC_HAVE_LOCKS_LOCK_FILE_WAIT
2414 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2415 LC_HAVE_XATTR_HANDLER_NAME
2417 LC_HAVE_SUBMIT_BIO_2ARGS
2418 LC_HAVE_CLEAN_BDEV_ALIASES
2425 LC_HAVE_IOP_GET_LINK
2428 LC_HAVE_IN_COMPAT_SYSCALL
2429 LC_HAVE_XATTR_HANDLER_INODE_PARAM
2435 LC_GENERIC_WRITE_SYNC_2ARGS
2436 LC_FOP_ITERATE_SHARED
2439 LC_EXPORT_DEFAULT_FILE_SPLICE_READ
2440 LC_HAVE_POSIX_ACL_VALID_USER_NS
2442 LC_FULL_NAME_HASH_3ARGS
2443 LC_STRUCT_POSIX_ACL_XATTR
2449 LC_POSIX_ACL_UPDATE_MODE
2452 LC_IOP_GENERIC_READLINK
2453 LC_HAVE_VM_FAULT_ADDRESS
2456 LC_INODEOPS_ENHANCED_GETATTR
2457 LC_VM_OPERATIONS_REMOVE_VMF_ARG
2458 LC_HAVE_KEY_USAGE_REFCOUNT
2459 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2463 LC_SUPER_BLOCK_S_UUID
2464 LC_SUPER_SETUP_BDI_NAME
2468 LC_BIO_INTEGRITY_ENABLED
2471 LC_PAGEVEC_INIT_ONE_PARAM
2484 LC_UAPI_LINUX_MOUNT_H
2485 LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
2488 LC_HAS_LINUX_SELINUX_ENABLED
2489 LB_HAVE_BVEC_ITER_ALL
2492 LC_ACCOUNT_PAGE_DIRTIED
2493 LC_KEYRING_SEARCH_4ARGS
2496 LC_BIO_BI_PHYS_SEGMENTS
2497 LC_LM_COMPARE_OWNER_EXISTS
2499 # kernel patch to extend integrity interface
2500 LC_BIO_INTEGRITY_PREP_FN
2503 AS_IF([test "x$enable_server" != xno], [
2513 # Check whether to build the client side of Lustre
2515 AC_DEFUN([LC_CONFIG_CLIENT], [
2516 AC_MSG_CHECKING([whether to build Lustre client support])
2517 AC_ARG_ENABLE([client],
2518 AC_HELP_STRING([--disable-client],
2519 [disable Lustre client support]),
2520 [], [enable_client="yes"])
2521 AC_MSG_RESULT([$enable_client])
2522 ]) # LC_CONFIG_CLIENT
2527 AC_DEFUN([LB_CONFIG_MPITESTS], [
2528 AC_ARG_ENABLE([mpitests],
2529 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2530 [include mpi tests]), [
2531 enable_mpitests="yes"
2534 MPICC_WRAPPER="mpicc"
2535 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2538 enable_mpitests="no"
2542 MPICC_WRAPPER=$enableval
2543 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
2547 enable_mpitests="yes"
2548 MPICC_WRAPPER="mpicc"
2549 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
2552 if test "x$enable_mpitests" != "xno"; then
2555 AC_CACHE_CHECK([whether mpitests can be built],
2556 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2560 MPI_Initialized(&flag);
2563 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2565 enable_mpitests=$lb_cv_mpi_tests
2569 AC_SUBST(MPICC_WRAPPER)
2570 ]) # LB_CONFIG_MPITESTS
2575 # whether to enable quota support global control
2577 AC_DEFUN([LC_CONFIG_QUOTA], [
2578 AC_MSG_CHECKING([whether to enable quota support global control])
2579 AC_ARG_ENABLE([quota],
2580 AC_HELP_STRING([--enable-quota],
2581 [enable quota support]),
2582 [], [enable_quota="yes"])
2583 AS_IF([test "x$enable_quota" = xyes],
2584 [AC_MSG_RESULT([yes])],
2585 [AC_MSG_RESULT([no])])
2586 ]) # LC_CONFIG_QUOTA
2591 AC_DEFUN([LC_QUOTA], [
2595 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2596 AC_CHECK_HEADER([sys/quota.h],
2597 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2598 [Define to 1 if you have <sys/quota.h>.])],
2599 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2606 # configure support for optional OSD implementation
2608 AC_DEFUN([LC_OSD_ADDON], [
2609 AC_MSG_CHECKING([whether to use OSD addon])
2611 AC_HELP_STRING([--with-osd=path],
2612 [set path to optional osd]),
2619 OSDADDON="$with_osd"
2626 AS_IF([test $ENABLEOSDADDON -eq 0], [
2630 OSDMODNAME=$(basename $OSDADDON)
2631 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2632 AC_MSG_RESULT([can't link])
2634 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2635 AC_MSG_RESULT([$OSDMODNAME])
2636 OSDADDON="obj-m += $OSDMODNAME/"
2638 AC_MSG_RESULT([can't link])
2648 # Check whether to enable Lustre client crypto
2650 AC_DEFUN([LC_CONFIG_CRYPTO], [
2651 AC_MSG_CHECKING([whether to enable Lustre client crypto])
2652 AC_ARG_ENABLE([crypto],
2653 AC_HELP_STRING([--enable-crypto],
2654 [enable Lustre client crypto]),
2655 [], [enable_crypto="auto"])
2656 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
2660 LC_FSCRYPT_SUPPORT])
2661 AS_IF([test "x$has_fscrypt_support" = xyes], [
2662 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])
2664 [AS_IF([test "x$has_is_encrypted" = xyes], [
2665 AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
2666 AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
2668 enable_llcrypt=yes], [
2669 AS_IF([test "x$enable_crypto" = xyes],
2670 [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
2671 AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
2672 [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
2673 enable_crypto=no])])
2674 AS_IF([test "x$enable_dist" != xno], [
2676 enable_llcrypt=yes])
2677 AC_MSG_RESULT([$enable_crypto])
2678 ]) # LC_CONFIG_CRYPTO
2683 # other configure checks
2685 AC_DEFUN([LC_CONFIGURE], [
2686 AC_MSG_NOTICE([Lustre core checks
2687 ==============================================================================])
2689 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2690 [CFLAGS="$CFLAGS -Wall -Werror"])
2692 # maximum MDS thread count
2695 # lustre/utils/gss/gss_util.c
2696 # lustre/utils/gss/gssd_proc.c
2697 # lustre/utils/gss/krb5_util.c
2698 # lustre/utils/llog_reader.c
2699 # lustre/utils/create_iam.c
2700 # lustre/utils/libiam.c
2701 AC_CHECK_HEADERS([netdb.h endian.h])
2702 AC_CHECK_FUNCS([gethostbyname])
2704 # lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
2705 AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
2706 AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
2708 ext2fs.h not found. Please install e2fsprogs development package.
2713 # lustre/tests/statx_test.c
2714 AC_CHECK_FUNCS([statx])
2716 # lustre/utils/lfs.c
2717 AS_IF([test "$enable_dist" = "no"], [
2718 AC_CHECK_LIB([z], [crc32], [
2719 AC_CHECK_HEADER([zlib.h], [], [
2720 AC_MSG_ERROR([zlib.h not found.])])
2723 zlib library not found. Please install zlib development package.])
2729 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2730 [AC_CHECK_HEADERS([selinux/selinux.h],
2731 [SELINUX="-lselinux"
2732 AC_DEFINE([HAVE_SELINUX], 1,
2733 [support for selinux ])],
2736 No libselinux-devel package found, unable to build selinux enabled tools
2741 No selinux package found, unable to build selinux enabled tools
2746 AC_CHECK_LIB([keyutils], [add_key])
2749 AC_MSG_CHECKING([whether to report minimum OST free space])
2750 AC_ARG_ENABLE([mindf],
2751 AC_HELP_STRING([--enable-mindf],
2752 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2753 [], [enable_mindf="no"])
2754 AC_MSG_RESULT([$enable_mindf])
2755 AS_IF([test "$enable_mindf" = "yes"],
2756 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2758 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2759 AC_ARG_ENABLE([fail_alloc],
2760 AC_HELP_STRING([--disable-fail-alloc],
2761 [disable randomly alloc failure]),
2762 [], [enable_fail_alloc="yes"])
2763 AC_MSG_RESULT([$enable_fail_alloc])
2764 AS_IF([test "x$enable_fail_alloc" != xno],
2765 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2766 [enable randomly alloc failure])])
2768 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2769 AC_ARG_ENABLE([invariants],
2770 AC_HELP_STRING([--enable-invariants],
2771 [enable invariant checking (cpu intensive)]),
2772 [], [enable_invariants="no"])
2773 AC_MSG_RESULT([$enable_invariants])
2774 AS_IF([test "x$enable_invariants" = xyes],
2775 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2776 [enable invariant checking])])
2778 AC_MSG_CHECKING([whether to track references with lu_ref])
2779 AC_ARG_ENABLE([lu_ref],
2780 AC_HELP_STRING([--enable-lu_ref],
2781 [enable lu_ref reference tracking code]),
2782 [], [enable_lu_ref="no"])
2783 AC_MSG_RESULT([$enable_lu_ref])
2784 AS_IF([test "x$enable_lu_ref" = xyes],
2785 [AC_DEFINE([USE_LU_REF], 1,
2786 [enable lu_ref reference tracking code])])
2788 AC_MSG_CHECKING([whether to enable page state tracking])
2789 AC_ARG_ENABLE([pgstate-track],
2790 AC_HELP_STRING([--enable-pgstate-track],
2791 [enable page state tracking]),
2792 [], [enable_pgstat_track="no"])
2793 AC_MSG_RESULT([$enable_pgstat_track])
2794 AS_IF([test "x$enable_pgstat_track" = xyes],
2795 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2796 [enable page state tracking code])])
2799 AC_MSG_CHECKING([systemd unit file directory])
2800 AC_ARG_WITH([systemdsystemunitdir],
2801 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
2802 [Directory for systemd service files])],
2803 [], [with_systemdsystemunitdir=auto])
2804 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
2805 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
2806 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
2807 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
2808 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
2809 with_systemdsystemunitdir=no],
2810 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
2811 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
2812 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
2813 AC_MSG_RESULT([$with_systemdsystemunitdir])
2815 AC_MSG_CHECKING([bash-completion directory])
2816 AC_ARG_WITH([bash-completion-dir],
2817 AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
2818 [Install the bash auto-completion script in this directory.]),
2820 [with_bash_completion_dir=yes])
2821 AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
2822 BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
2823 AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
2824 [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
2827 BASH_COMPLETION_DIR="$with_bash_completion_dir"
2829 AC_SUBST([BASH_COMPLETION_DIR])
2830 AC_MSG_RESULT([$BASH_COMPLETION_DIR])
2836 # AM_CONDITIONALS for lustre
2838 AC_DEFUN([LC_CONDITIONALS], [
2839 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2840 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2841 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2842 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2843 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2844 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2845 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2846 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2847 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
2848 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2849 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
2850 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
2851 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
2852 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
2853 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
2854 AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
2855 AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
2856 ]) # LC_CONDITIONALS
2861 # files that should be generated with AC_OUTPUT
2863 AC_DEFUN([LC_CONFIG_FILES],
2867 lustre/autoconf/Makefile
2868 lustre/conf/Makefile
2869 lustre/conf/resource/Makefile
2870 lustre/contrib/Makefile
2872 lustre/include/Makefile
2873 lustre/include/lustre/Makefile
2874 lustre/include/uapi/linux/lustre/Makefile
2875 lustre/kernel_patches/targets/4.18-rhel8.3.target
2876 lustre/kernel_patches/targets/4.18-rhel8.2.target
2877 lustre/kernel_patches/targets/4.18-rhel8.1.target
2878 lustre/kernel_patches/targets/4.18-rhel8.target
2879 lustre/kernel_patches/targets/3.10-rhel7.9.target
2880 lustre/kernel_patches/targets/3.10-rhel7.8.target
2881 lustre/kernel_patches/targets/3.10-rhel7.7.target
2882 lustre/kernel_patches/targets/3.10-rhel7.6.target
2883 lustre/kernel_patches/targets/3.10-rhel7.5.target
2884 lustre/kernel_patches/targets/4.14-rhel7.5.target
2885 lustre/kernel_patches/targets/4.14-rhel7.6.target
2886 lustre/kernel_patches/targets/4.12-sles12sp4.target
2887 lustre/kernel_patches/targets/4.12-sles12sp5.target
2888 lustre/kernel_patches/targets/4.12-sles15sp1.target
2889 lustre/kernel_patches/targets/4.12-sles15sp2.target
2890 lustre/kernel_patches/targets/3.x-fc18.target
2891 lustre/ldlm/Makefile
2893 lustre/fid/autoMakefile
2894 lustre/llite/Makefile
2895 lustre/llite/autoMakefile
2897 lustre/lov/autoMakefile
2899 lustre/mdc/autoMakefile
2901 lustre/lmv/autoMakefile
2902 lustre/lfsck/Makefile
2903 lustre/lfsck/autoMakefile
2905 lustre/mdt/autoMakefile
2907 lustre/mdd/autoMakefile
2909 lustre/fld/autoMakefile
2910 lustre/obdclass/Makefile
2911 lustre/obdclass/autoMakefile
2912 lustre/obdecho/Makefile
2913 lustre/obdecho/autoMakefile
2915 lustre/ofd/autoMakefile
2917 lustre/osc/autoMakefile
2919 lustre/ost/autoMakefile
2920 lustre/osd-ldiskfs/Makefile
2921 lustre/osd-ldiskfs/autoMakefile
2922 lustre/osd-zfs/Makefile
2923 lustre/osd-zfs/autoMakefile
2925 lustre/mgc/autoMakefile
2927 lustre/mgs/autoMakefile
2928 lustre/target/Makefile
2929 lustre/ptlrpc/Makefile
2930 lustre/ptlrpc/autoMakefile
2931 lustre/ptlrpc/gss/Makefile
2932 lustre/ptlrpc/gss/autoMakefile
2933 lustre/quota/Makefile
2934 lustre/quota/autoMakefile
2935 lustre/scripts/Makefile
2936 lustre/scripts/systemd/Makefile
2937 lustre/tests/Makefile
2938 lustre/tests/mpi/Makefile
2939 lustre/tests/kernel/Makefile
2940 lustre/tests/kernel/autoMakefile
2941 lustre/utils/Makefile
2942 lustre/utils/gss/Makefile
2944 lustre/osp/autoMakefile
2946 lustre/lod/autoMakefile
2948 ]) # LC_CONFIG_FILES