4 # Wrapper for AC_CONFIG_SUBDIR
6 AC_DEFUN([LC_CONFIG_SRCDIR], [
7 AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
15 # lustre specific paths
17 AC_DEFUN([LC_PATH_DEFAULTS], [
18 # ptlrpc kernel build requires this
26 demodir='$(docdir)/demo'
29 pkgexampledir='${pkgdatadir}/examples'
30 AC_SUBST(pkgexampledir)
36 # is the target os supported?
38 AC_DEFUN([LC_TARGET_SUPPORTED], [
47 ]) # LC_TARGET_SUPPORTED
50 # LC_GLIBC_SUPPORT_FHANDLES
52 AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [
53 AC_CHECK_FUNCS([name_to_handle_at],
54 [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1,
55 [file handle and related syscalls are supported])],
56 [AC_MSG_WARN([file handle and related syscalls are not supported])])
57 ]) # LC_GLIBC_SUPPORT_FHANDLES
62 # Ensure the stack size is at least 8k in Lustre server (all kernels)
64 AC_DEFUN([LC_STACK_SIZE], [
65 LB_CHECK_COMPILE([if stack size is at least 8k],
67 #include <linux/thread_info.h>
69 #if THREAD_SIZE < 8192
70 #error "stack size < 8192"
72 ], [], [AC_MSG_ERROR([
74 Lustre requires that Linux is configured with at least a 8KB stack.
81 # Allow the user to set the MDS thread upper limit
83 AC_DEFUN([LC_MDS_MAX_THREADS], [
84 AC_MSG_CHECKING([for maximum number of MDS threads])
85 AC_ARG_WITH([mds_max_threads],
86 AC_HELP_STRING([--with-mds-max-threads=count],
87 [maximum threads available on the MDS: (default=512)]),
88 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
89 [maximum number of MDS threads])])
90 AC_MSG_RESULT([$with_mds_max_threads])
91 ]) # LC_MDS_MAX_THREADS
96 # the pinger is temporary, until we have the recovery node in place
98 AC_DEFUN([LC_CONFIG_PINGER], [
99 AC_MSG_CHECKING([whether to enable Lustre pinger support])
100 AC_ARG_ENABLE([pinger],
101 AC_HELP_STRING([--disable-pinger],
102 [disable recovery pinger support]),
103 [], [enable_pinger="yes"])
104 AC_MSG_RESULT([$enable_pinger])
105 AS_IF([test "x$enable_pinger" != xno],
106 [AC_DEFINE(ENABLE_PINGER, 1,[Use the Pinger])])
107 ]) # LC_CONFIG_PINGER
112 # do checksum of bulk data between client and OST
114 AC_DEFUN([LC_CONFIG_CHECKSUM], [
115 AC_MSG_CHECKING([whether to enable data checksum support])
116 AC_ARG_ENABLE([checksum],
117 AC_HELP_STRING([--disable-checksum],
118 [disable data checksum support]),
119 [], [enable_checksum="yes"])
120 AC_MSG_RESULT([$enable_checksum])
121 AS_IF([test "x$enable_checksum" != xno],
122 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
123 ]) # LC_CONFIG_CHECKSUM
126 # LC_CONFIG_HEALTH_CHECK_WRITE
128 # Turn off the actual write to the disk
130 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
131 AC_MSG_CHECKING([whether to enable a write with the health check])
132 AC_ARG_ENABLE([health_write],
133 AC_HELP_STRING([--enable-health_write],
134 [enable disk writes when doing health check]),
135 [], [enable_health_write="no"])
136 AC_MSG_RESULT([$enable_health_write])
137 AS_IF([test "x$enable_health_write" != xno],
138 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
139 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
142 # LC_CONFIG_LRU_RESIZE
144 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
145 AC_MSG_CHECKING([whether to enable lru self-adjusting])
146 AC_ARG_ENABLE([lru_resize],
147 AC_HELP_STRING([--enable-lru-resize],
148 [enable lru resize support]),
149 [], [enable_lru_resize="yes"])
150 AC_MSG_RESULT([$enable_lru_resize])
151 AS_IF([test "x$enable_lru_resize" != xno],
152 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
153 ]) # LC_CONFIG_LRU_RESIZE
158 # Quota support. The kernel must support CONFIG_QUOTA.
160 AC_DEFUN([LC_QUOTA_CONFIG], [
161 LB_CHECK_CONFIG_IM([QUOTA], [],
164 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
169 # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
171 # truncate_complete_page() has never been exported from an upstream kernel
172 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
173 # delete_from_page_cache() is exported from 2.6.39
175 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE], [
176 LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c],
177 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
178 [kernel export truncate_complete_page])])
179 LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c],
180 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
181 [kernel export remove_from_page_cache])])
182 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
183 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
184 [kernel export delete_from_page_cache])])
185 ]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
188 # LC_CONFIG_GSS_KEYRING
190 # default 'auto', tests for dependencies, if found, enables;
191 # only called if gss is enabled
193 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
194 AC_MSG_CHECKING([whether to enable gss keyring backend])
195 AC_ARG_ENABLE([gss_keyring],
196 [AC_HELP_STRING([--disable-gss-keyring],
197 [disable gss keyring backend])],
198 [], [enable_gss_keyring="auto"])
199 AC_MSG_RESULT([$enable_gss_keyring])
200 AS_IF([test "x$enable_gss_keyring" != xno], [
201 LB_CHECK_CONFIG_IM([KEYS], [], [
202 gss_keyring_conf_test="fail"
203 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
205 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
206 gss_keyring_conf_test="fail"
207 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
209 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
210 AC_DEFINE([HAVE_GSS_KEYRING], [1],
211 [Define this if you enable gss keyring backend])
212 enable_gss_keyring="yes"
214 AS_IF([test "x$enable_gss_keyring" = xyes], [
215 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
219 ]) # LC_CONFIG_GSS_KEYRING
222 # LC_HAVE_CRED_TGCRED
224 # rhel7 struct cred has no member tgcred
226 AC_DEFUN([LC_HAVE_CRED_TGCRED], [
227 LB_CHECK_COMPILE([if 'struct cred' has member 'tgcred'],
229 #include <linux/cred.h>
231 ((struct cred *)0)->tgcred = NULL;
233 AC_DEFINE(HAVE_CRED_TGCRED, 1,
234 [struct cred has member tgcred])
236 ]) # LC_HAVE_CRED_TGCRED
239 # LC_KEY_TYPE_INSTANTIATE_2ARGS
241 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
243 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
244 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
245 key_type_instantiate_2args, [
246 #include <linux/key-type.h>
248 ((struct key_type *)0)->instantiate(0, NULL);
250 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
251 [key_type->instantiate has two args])
253 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
258 AC_DEFUN([LC_CONFIG_SUNRPC], [
259 LB_CHECK_CONFIG_IM([SUNRPC], [], [
260 AS_IF([test "x$sunrpc_required" = xyes], [
263 kernel SUNRPC support is required by using GSS.
266 ]) # LC_CONFIG_SUNRPC
269 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
271 # Build gss and related tools of Lustre. Currently both kernel and user space
272 # parts are depend on linux platform.
274 AC_DEFUN([LC_CONFIG_GSS], [
275 AC_MSG_CHECKING([whether to enable gss support])
277 [AC_HELP_STRING([--enable-gss], [enable gss support])],
278 [], [enable_gss="auto"])
279 AC_MSG_RESULT([$enable_gss])
281 AS_IF([test "x$enable_gss" != xno], [
282 LC_CONFIG_GSS_KEYRING
284 LC_KEY_TYPE_INSTANTIATE_2ARGS
285 sunrpc_required=$enable_gss
289 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
290 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
291 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
292 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
293 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
294 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
295 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
296 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
298 require_krb5=$enable_gss
302 AS_IF([test -n "$KRBDIR"], [
303 gss_conf_test="success"
305 gss_conf_test="failure"
308 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
309 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
312 enable_gss_keyring="no"
316 enable_ssk=$enable_gss
318 enable_gss_keyring="no"
324 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
325 AC_DEFUN([LC_OPENSSL_SSK], [
326 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
327 AS_IF([test "x$enable_ssk" != xno], [
328 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
329 #include <openssl/hmac.h>
330 #include <openssl/evp.h>
334 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
336 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
337 [OpenSSL HMAC functions needed for SSK])],
340 AC_MSG_RESULT([$enable_ssk])
343 # LC_INODE_PERMISION_2ARGS
345 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
346 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
347 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
348 # v3.1 onward have a 2 arg version (inode, mask)
350 AC_DEFUN([LC_INODE_PERMISION_2ARGS], [
351 LB_CHECK_COMPILE([if 'inode_operations->permission' has two args],
352 inode_ops_permission_2args, [
353 #include <linux/fs.h>
355 struct inode *inode __attribute__ ((unused));
358 inode->i_op->permission(NULL, 0);
360 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
361 [inode_operations->permission has two args])
363 ]) # LC_INODE_PERMISION_2ARGS
366 # LC_BLK_QUEUE_MAX_SEGMENTS
368 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
370 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [
371 LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined],
372 blk_queue_max_segments, [
373 #include <linux/blkdev.h>
375 blk_queue_max_segments(NULL, 0);
377 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
378 [blk_queue_max_segments is defined])
380 ]) # LC_BLK_QUEUE_MAX_SEGMENTS
383 # LC_HAVE_XATTR_HANDLER_FLAGS
385 # 2.6.33 added a private flag to xattr_handler
387 AC_DEFUN([LC_HAVE_XATTR_HANDLER_FLAGS], [
388 LB_CHECK_COMPILE([if 'struct xattr_handler' has flags field],
389 xattr_handler_flags, [
390 #include <linux/xattr.h>
392 struct xattr_handler handler;
396 AC_DEFINE(HAVE_XATTR_HANDLER_FLAGS, 1, [flags field exist])
398 ]) # LC_HAVE_XATTR_HANDLER_FLAGS
401 # LC_HAVE_DQUOT_FS_DISK_QUOTA
403 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
405 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], [
406 tmp_flags="$EXTRA_KCFLAGS"
407 EXTRA_KCFLAGS="-Werror"
408 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota],
410 #include <linux/fs.h>
411 #include <linux/quota.h>
413 ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
415 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
416 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
418 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota],
419 kqid_fs_disk_quota, [
420 #include <linux/fs.h>
421 #include <linux/quota.h>
423 ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
425 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
426 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
427 AC_DEFINE(HAVE_DQUOT_KQID, 1,
428 [quotactl_ops.set_dqblk takes struct kqid])
431 EXTRA_KCFLAGS="$tmp_flags"
432 ]) # LC_HAVE_DQUOT_FS_DISK_QUOTA
435 # LC_HAVE_DQUOT_SUSPEND
437 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
439 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [
440 LB_CHECK_COMPILE([if 'dquot_suspend' is defined],
442 #include <linux/quotaops.h>
444 dquot_suspend(NULL, -1);
446 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
448 ]) # LC_HAVE_DQUOT_SUSPEND
453 # Check if kernel has been patched for 64-bit quota limits support.
454 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
455 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
456 # that in the absence of quotaio_v1.h in the kernel headers.
458 AC_DEFUN([LC_QUOTA64], [
459 tmp_flags="$EXTRA_KCFLAGS"
460 EXTRA_KCFLAGS="-I$LINUX/fs"
461 LB_CHECK_COMPILE([if kernel has 64-bit quota limits support],
463 #include <linux/kernel.h>
464 #include <linux/fs.h>
465 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
466 #include <quota/quotaio_v2.h>
467 struct v2r1_disk_dqblk dqblk_r1;
469 #include <linux/quota.h>
470 int ver = QFMT_VFS_V1;
473 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
475 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],
476 [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])])
478 EXTRA_KCFLAGS=$tmp_flags
482 # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
484 # 2.6.34 adds __add_wait_queue_exclusive
486 AC_DEFUN([LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE], [
487 LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
488 __add_wait_queue_exclusive, [
489 #include <linux/wait.h>
491 wait_queue_head_t queue = { };
492 wait_queue_t wait = { };
494 __add_wait_queue_exclusive(&queue, &wait);
496 AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
497 [__add_wait_queue_exclusive exists])
499 ]) # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
502 # LC_FS_STRUCT_RWLOCK
504 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
506 AC_DEFUN([LC_FS_STRUCT_RWLOCK], [
507 LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock],
509 #include <asm/atomic.h>
510 #include <linux/spinlock.h>
511 #include <linux/fs_struct.h>
513 struct fs_struct fss = { };
518 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock])
520 ]) # LC_FS_STRUCT_RWLOCK
523 # LC_SBOPS_EVICT_INODE
525 # 2.6.36 super_operations add evict_inode method. it hybird of
526 # delete_inode & clear_inode.
528 AC_DEFUN([LC_SBOPS_EVICT_INODE], [
529 LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist],
530 super_ops_evict_inode, [
531 #include <linux/fs.h>
533 ((struct super_operations *)0)->evict_inode(NULL);
535 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
536 [super_operations.evict_inode() is exist in kernel])
538 ]) # LC_SBOPS_EVICT_INODE
543 # 2.6.35 file_operations.fsync taken 2 arguments.
544 # 3.0.0 file_operations.fsync takes 4 arguments.
546 AC_DEFUN([LC_FILE_FSYNC], [
547 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 4 arguments],
548 file_ops_fsync_4args, [
549 #include <linux/fs.h>
551 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
553 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
554 [file_operations.fsync takes 4 arguments])
556 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 2 arguments],
557 file_ops_fsync_2args, [
558 #include <linux/fs.h>
560 ((struct file_operations *)0)->fsync(NULL, 0);
562 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
563 [file_operations.fsync takes 2 arguments])
571 # 2.6.37 remove kernel_locked
573 AC_DEFUN([LC_KERNEL_LOCKED], [
574 LB_CHECK_COMPILE([if 'kernel_locked' is defined],
576 #include <linux/smp_lock.h>
580 AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
582 ]) # LC_KERNEL_LOCKED
585 # LC_FS_STRUCT_SEQCOUNT
587 # 2.6.37 uses seqlock in fs_struct
589 AC_DEFUN([LC_FS_STRUCT_SEQCOUNT], [
590 LB_CHECK_COMPILE([if fs_struct use seqcount],
591 fs_struct_seqcount, [
592 #include <linux/fs_struct.h>
594 ((struct fs_struct *)0)->seq = (struct seqcount){ 0 };
596 AC_DEFINE(HAVE_FS_STRUCT_SEQCOUNT, 1, [fs_struct use seqcount])
598 ]) # LC_FS_STRUCT_SEQCOUNT
603 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
605 AC_DEFUN([LC_D_COMPARE_7ARGS], [
606 LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
607 dentry_ops_d_compare_7arg, [
608 #include <linux/dcache.h>
610 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
612 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
614 ]) # LC_D_COMPARE_7ARGS
619 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
621 AC_DEFUN([LC_D_DELETE_CONST], [
622 tmp_flags="$EXTRA_KCFLAGS"
623 EXTRA_KCFLAGS="-Werror"
624 LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
625 dentry_ops_d_delete_1st_const, [
626 #include <linux/dcache.h>
628 const struct dentry *d = NULL;
629 ((struct dentry_operations*)0)->d_delete(d);
631 AC_DEFINE(HAVE_D_DELETE_CONST, const,
632 [d_delete first parameter declared const])
634 AC_DEFINE(HAVE_D_DELETE_CONST, [],
635 [d_delete first parameter declared is not const])
637 EXTRA_KCFLAGS="$tmp_flags"
638 ]) # LC_D_DELETE_CONST
643 # 2.6.38 dcache_lock removed. rcu-walk committed.
645 AC_DEFUN([LC_DCACHE_LOCK], [
646 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
648 #include <linux/dcache.h>
650 spin_lock(&dcache_lock);
652 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
653 [dcache_lock is exist])
660 # 2.6.38 inode.i_rcu added.
662 AC_DEFUN([LC_INODE_I_RCU], [
663 LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
665 #include <linux/fs.h>
668 struct rcu_head rcu = {};
671 AC_DEFINE(HAVE_INODE_I_RCU, 1,
672 [inode.i_rcu exists])
677 # LC_BLKDEV_GET_BY_DEV
679 # 2.6.38 export blkdev_get_by_dev
681 AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
682 LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
683 [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
684 [blkdev_get_by_dev is exported by the kernel])])
685 ]) # LC_BLKDEV_GET_BY_DEV
688 # LC_EXPORT_SIMPLE_SETATTR
690 # 2.6.38 export simple_setattr
692 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
693 LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
694 [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
695 [simple_setattr is exported by the kernel])])
696 ]) # LC_EXPORT_SIMPLE_SETATTR
701 # 2.6.38 add struct blk_plug
703 AC_DEFUN([LC_HAVE_BLK_PLUG], [
704 LB_CHECK_COMPILE([if 'struct blk_plug' exists],
706 #include <linux/blkdev.h>
708 struct blk_plug plug;
710 blk_start_plug(&plug);
711 blk_finish_plug(&plug);
713 AC_DEFINE(HAVE_BLK_PLUG, 1,
714 [blk_plug struct exists])
716 ]) # LC_HAVE_BLK_PLUG
721 # truncate callback removed since 2.6.39
723 AC_DEFUN([LC_IOP_TRUNCATE], [
724 LB_CHECK_COMPILE([if 'inode_operations' has '.truncate' member function],
725 inode_ops_truncate, [
726 #include <linux/fs.h>
728 ((struct inode_operations *)0)->truncate(NULL);
730 AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1,
731 [inode_operations has .truncate member function])
736 # LC_HAVE_FSTYPE_MOUNT
738 # 2.6.39 replace get_sb with mount in struct file_system_type
740 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
741 LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
742 file_system_type_mount, [
743 #include <linux/fs.h>
745 struct file_system_type fst = { };
748 mount = (void *)fst.mount;
750 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
751 [struct file_system_type has mount field])
753 ]) # LC_HAVE_FSTYPE_MOUNT
756 # LC_HAVE_FHANDLE_SYSCALLS
758 # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
759 # added to Linux kernel 2.6.39.
760 # Check if client supports these functions
762 AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
763 LB_CHECK_CONFIG_IM([FHANDLE],[
764 AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
765 [kernel supports fhandles and related syscalls])
767 ]) # LC_HAVE_FHANDLE_SYSCALLS
770 # LC_HAVE_INODE_OWNER_OR_CAPABLE
772 # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
774 AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
775 LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
776 inode_owner_or_capable, [
777 #include <linux/fs.h>
779 inode_owner_or_capable(NULL);
781 AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
782 [inode_owner_or_capable exist])
784 ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
787 # LC_DIRTY_INODE_WITH_FLAG
789 # 3.0 dirty_inode() has a flag parameter
790 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
792 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
793 LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
794 dirty_inode_super_operation_flag, [
795 #include <linux/fs.h>
797 struct inode *inode = NULL;
798 inode->i_sb->s_op->dirty_inode(NULL, 0);
800 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
801 [dirty_inode super_operation takes flag])
803 ]) # LC_DIRTY_INODE_WITH_FLAG
808 # 3.0 introduced setns
810 AC_DEFUN([LC_SETNS], [
811 AC_CHECK_HEADERS([sched.h], [], [],
814 AC_CHECK_FUNCS([setns])
818 # LC_GENERIC_PERMISSION
820 # 2.6.38 generic_permission taken 4 parameters.
821 # in fact, it means rcu-walk aware permission bring.
823 # 3.1 generic_permission taken 2 parameters.
824 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
826 AC_DEFUN([LC_GENERIC_PERMISSION], [
827 LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
828 generic_permission_2args, [
829 #include <linux/fs.h>
831 generic_permission(NULL, 0);
833 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
834 [generic_permission taken 2 arguments])
836 LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
837 generic_permission_4args, [
838 #include <linux/fs.h>
840 generic_permission(NULL, 0, 0, NULL);
842 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
843 [generic_permission taken 4 arguments])
846 ]) # LC_GENERIC_PERMISSION
849 # LC_LM_XXX_LOCK_MANAGER_OPS
851 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
852 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
854 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
855 LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
856 lock_manager_ops_lm_xxx, [
857 #include <linux/fs.h>
859 struct lock_manager_operations lm_ops;
860 lm_ops.lm_compare_owner = NULL;
862 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
863 [lock-manager ops renamed to lm_xxx])
865 ]) # LC_LM_XXX_LOCK_MANAGER_OPS
870 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
872 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
874 AC_DEFUN([LC_INODE_DIO_WAIT], [
875 LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
877 #include <linux/fs.h>
879 inode_dio_wait((struct inode *)0);
881 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
882 [inode->i_alloc_sem is killed and use inode_dio_wait])
884 ]) # LC_INODE_DIO_WAIT
889 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
890 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
892 AC_DEFUN([LC_IOP_GET_ACL], [
893 LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
895 #include <linux/fs.h>
897 struct inode_operations iop;
900 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
901 [inode_operations has .get_acl member function])
906 # LC_FILE_LLSEEK_SIZE
908 # 3.1 introduced generic_file_llseek_size()
910 AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
911 LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
912 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
913 [generic_file_llseek_size is exported by the kernel])])
914 ]) # LC_FILE_LLSEEK_SIZE
917 # LC_RADIX_EXCEPTION_ENTRY
918 # 3.1 adds radix_tree_exception_entry.
920 AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
921 LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
922 radix_tree_exceptional_entry, [
923 #include <linux/radix-tree.h>
925 radix_tree_exceptional_entry(NULL);
927 AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
928 [radix_tree_exceptional_entry exist])
930 ]) # LC_RADIX_EXCEPTION_ENTRY
933 # LC_HAVE_PROTECT_I_NLINK
935 # 3.2 protects inode->i_nlink from direct modification
936 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
937 # at the same time adds set_nlink(), so checks set_nlink() for it.
939 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
940 LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
941 inode_i_nlink_protected, [
942 #include <linux/fs.h>
947 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
948 [inode->i_nlink is protected from direct modification])
950 ]) # LC_HAVE_PROTECT_I_NLINK
953 # 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
955 # 3.2 security_inode_init_security takes a callback to set xattrs
957 AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
958 LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
959 security_inode_init_security_callback, [
960 #include <linux/security.h>
962 security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
964 AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
965 [security_inode_init_security takes a callback to set xattrs])
967 LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
968 security_inode_init_security_qstr, [
969 #include <linux/security.h>
971 security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
973 AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
974 [security_inode_init_security takes a 'struct qstr' parameter])
977 ]) # LC_HAVE_SECURITY_IINITSEC
980 # LC_HAVE_MIGRATE_HEADER
982 # 3.3 introduces migrate_mode.h and migratepage has 4 args
984 AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
985 LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
986 AC_DEFINE(HAVE_MIGRATE_H, 1,
987 [kernel has include/linux/migrate.h])
989 LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
990 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
991 [kernel has include/linux/migrate_mode.h])
994 ]) # LC_HAVE_MIGRATE_HEADER
997 # LC_MIGRATEPAGE_4ARGS
999 AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
1000 LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
1001 address_space_ops_migratepage_4args, [
1002 #include <linux/fs.h>
1003 #ifdef HAVE_MIGRATE_H
1004 #include <linux/migrate.h>
1005 #elif defined(HAVE_MIGRATE_MODE_H)
1006 #include <linux/migrate_mode.h>
1009 struct address_space_operations aops = { };
1010 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1012 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1013 [address_space_operations.migratepage has 4 args])
1015 ]) # LC_MIGRATEPAGE_4ARGS
1018 # LC_SUPEROPS_USE_DENTRY
1020 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1021 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1023 AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
1024 tmp_flags="$EXTRA_KCFLAGS"
1025 EXTRA_KCFLAGS="-Werror"
1026 LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
1028 #include <linux/fs.h>
1029 int show_options(struct seq_file *seq, struct dentry *root) {
1033 struct super_operations ops;
1034 ops.show_options = show_options;
1036 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1037 [super_operations use dentry as parameter])
1039 EXTRA_KCFLAGS="$tmp_flags"
1040 ]) # LC_SUPEROPS_USE_DENTRY
1043 # LC_INODEOPS_USE_UMODE_T
1045 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1046 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1048 AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
1049 tmp_flags="$EXTRA_KCFLAGS"
1050 EXTRA_KCFLAGS="-Werror"
1051 LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
1052 inode_ops_umode_t, [
1053 #include <linux/fs.h>
1054 #include <linux/types.h>
1055 int my_mknod(struct inode *dir, struct dentry *dchild,
1056 umode_t mode, dev_t dev)
1061 struct inode_operations ops;
1062 ops.mknod = my_mknod;
1064 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1065 [inode_operations use umode_t as parameter])
1067 EXTRA_KCFLAGS="$tmp_flags"
1068 ]) # LC_INODEOPS_USE_UMODE_T
1071 # LC_KMAP_ATOMIC_HAS_1ARG
1073 # 3.4 kmap_atomic removes second argument
1074 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1076 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
1077 LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
1079 #include <linux/highmem.h>
1083 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1084 [have kmap_atomic has only 1 argument])
1086 ]) # LC_KMAP_ATOMIC_HAS_1ARG
1089 # LC_HAVE_D_MAKE_ROOT
1091 # 3.4 converts d_alloc_root to d_make_root
1092 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1094 AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
1095 LB_CHECK_COMPILE([if have 'd_make_root'],
1097 #include <linux/fs.h>
1099 d_make_root((struct inode *)NULL);
1101 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1104 ]) # LC_HAVE_D_MAKE_ROOT
1107 # LC_HAVE_CACHE_REGISTER
1109 # 3.4 cache_register/cache_unregister are removed
1110 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1111 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1112 # are defined, but not exported.
1113 # 3.3 cache_register_net/cache_unregister_net are
1114 # exported and replacing cache_register/cache_unregister in 3.4
1116 AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
1117 LB_CHECK_COMPILE([if have 'cache_register'],
1119 #include <linux/sunrpc/cache.h>
1121 cache_register(NULL);
1123 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1124 [have cache_register])
1126 ]) # LC_HAVE_CACHE_REGISTER
1129 # LC_HAVE_CLEAR_INODE
1131 # 3.5 renames end_writeback() back to clear_inode()...
1132 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1134 AC_DEFUN([LC_HAVE_CLEAR_INODE], [
1135 LB_CHECK_COMPILE([if have 'clear_inode'],
1137 #include <linux/fs.h>
1139 clear_inode((struct inode *)NULL);
1141 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1144 ]) # LC_HAVE_CLEAR_INODE
1147 # LC_HAVE_ENCODE_FH_PARENT
1149 # 3.5 encode_fh has parent inode passed in directly
1150 # see kernel commit b0b0382b
1152 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
1153 tmp_flags="$EXTRA_KCFLAGS"
1154 EXTRA_KCFLAGS="-Werror"
1155 LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
1156 encode_fh_parent_inode, [
1157 #include <linux/exportfs.h>
1158 #include <linux/fs.h>
1159 #include <linux/types.h>
1160 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1165 struct export_operations exp_op;
1166 exp_op.encode_fh = ll_encode_fh;
1168 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1169 [have parent inode as parameter])
1171 EXTRA_KCFLAGS="$tmp_flags"
1172 ]) # LC_HAVE_ENCODE_FH_PARENT
1175 # LC_FILE_LLSEEK_SIZE_5ARG
1177 # 3.5 has generic_file_llseek_size with 5 args
1179 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
1180 LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
1181 generic_file_llseek_size_5args, [
1182 #include <linux/fs.h>
1184 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1186 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1187 [kernel has generic_file_llseek_size with 5 args])
1189 ]) # LC_FILE_LLSEEK_SIZE_5ARG
1192 # LC_LLITE_DATA_IS_LIST
1194 # 3.6 switch i_dentry/d_alias from list to hlist
1196 # In the upstream kernels d_alias first changes
1197 # to a hlist and then in later version, 3.11, gets
1198 # moved to the union d_u. Due to some distros having
1199 # d_alias in the d_u union as a struct list, which
1200 # has never existed upstream stream, we can't test
1201 # if d_alias is a list or hlist directly. If ever
1202 # i_dentry and d_alias even up different combos then
1203 # the build will fail. In that case then we will need
1204 # to separate out the i_dentry and d_alias test below.
1206 AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
1207 tmp_flags="$EXTRA_KCFLAGS"
1208 EXTRA_KCFLAGS="-Werror"
1209 LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
1210 i_dentry_d_alias_list, [
1211 #include <linux/fs.h>
1214 INIT_LIST_HEAD(&inode.i_dentry);
1216 AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
1217 [both i_dentry/d_alias uses list])
1219 EXTRA_KCFLAGS="$tmp_flags"
1220 ]) # LC_DATA_FOR_LLITE_IS_LIST
1223 # LC_DENTRY_OPEN_USE_PATH
1225 # 3.6 dentry_open uses struct path as first argument
1226 # see kernel commit 765927b2
1228 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
1229 tmp_flags="$EXTRA_KCFLAGS"
1230 EXTRA_KCFLAGS="-Werror"
1231 LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
1233 #include <linux/fs.h>
1234 #include <linux/path.h>
1237 dentry_open(&path, 0, NULL);
1239 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1240 [dentry_open uses struct path as first argument])
1242 EXTRA_KCFLAGS="$tmp_flags"
1243 ]) # LC_DENTRY_OPEN_USE_PATH
1246 # LC_HAVE_IOP_ATOMIC_OPEN
1248 # 3.6 vfs adds iop->atomic_open
1250 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
1251 LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
1252 inode_ops_atomic_open, [
1253 #include <linux/fs.h>
1255 struct inode_operations iop;
1256 iop.atomic_open = NULL;
1258 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1259 [have iop atomic_open])
1261 ]) # LC_HAVE_IOP_ATOMIC_OPEN
1264 # LC_HAVE_SB_START_WRITE
1266 # RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
1268 AC_DEFUN([LC_HAVE_SB_START_WRITE], [
1269 LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
1271 #include <linux/fs.h>
1273 sb_start_write(NULL);
1275 AC_DEFINE(HAVE_SB_START_WRITE, 1,
1276 [kernel supports wrapped FS freeze functions])
1278 ]) # LC_HAVE_SB_START_WRITE
1281 # LC_HAVE_POSIXACL_USER_NS
1283 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1285 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
1286 LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
1287 posix_acl_to_xattr_user_namespace, [
1288 #include <linux/fs.h>
1289 #include <linux/posix_acl_xattr.h>
1291 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1293 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1294 [posix_acl_to_xattr takes struct user_namespace])
1296 ]) # LC_HAVE_POSIXACL_USER_NS
1299 # LC_HAVE_FILE_F_INODE
1301 # 3.8 struct file has new member f_inode
1303 AC_DEFUN([LC_HAVE_FILE_F_INODE], [
1304 LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
1306 #include <linux/fs.h>
1308 ((struct file *)0)->f_inode = NULL;
1310 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1311 [struct file has member f_inode])
1313 ]) # LC_HAVE_FILE_F_INODE
1316 # LC_HAVE_FILE_INODE
1318 # 3.8 has introduced inline function file_inode
1320 AC_DEFUN([LC_HAVE_FILE_INODE], [
1321 LB_CHECK_COMPILE([if file_inode() exists],
1323 #include <linux/fs.h>
1327 AC_DEFINE(HAVE_FILE_INODE, 1,
1328 [file_inode() has been defined])
1330 ]) # LC_HAVE_FILE_INODE
1333 # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1335 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
1336 LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
1337 sunrpc_cache_pipe_upcall_3args, [
1338 #include <linux/sunrpc/cache.h>
1340 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1342 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1343 [sunrpc_cache_pipe_upcall takes 3 args])
1345 ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1348 # LC_HAVE_HLIST_FOR_EACH_3ARG
1350 # 3.9 uses hlist_for_each_entry with 3 args
1351 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1353 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
1354 LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
1355 hlist_for_each_entry_3args, [
1356 #include <linux/list.h>
1357 #include <linux/fs.h>
1359 struct hlist_head *head = NULL;
1360 struct inode *inode;
1362 hlist_for_each_entry(inode, head, i_hash) {
1366 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
1367 [hlist_for_each_entry has 3 args])
1369 ]) # LC_HAVE_HLIST_FOR_EACH_3ARG
1372 # LC_HAVE_BIO_END_SECTOR
1374 # 3.9 introduces bio_end_sector macro
1375 # f73a1c7d117d07a96d89475066188a2b79e53c48
1377 AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
1378 LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
1380 #include <linux/bio.h>
1382 struct bio bio = { };
1383 unsigned long long end;
1385 end = bio_end_sector(&bio);
1387 AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
1388 [bio_end_sector is defined])
1390 ]) # LC_HAVE_BIO_END_SECTOR
1393 # 3.9 created is_sxid
1395 AC_DEFUN([LC_HAVE_IS_SXID], [
1396 LB_CHECK_COMPILE([if 'is_sxid' is defined],
1398 #include <linux/fs.h>
1400 struct inode inode = { };
1402 is_sxid(inode.i_mode);
1404 AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
1406 ]) # LC_HAVE_IS_SXID
1409 # LC_HAVE_REMOVE_PROC_SUBTREE
1411 # 3.10 introduced remove_proc_subtree
1413 AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
1414 LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
1415 remove_proc_subtree, [
1416 #include <linux/proc_fs.h>
1418 remove_proc_subtree(NULL, NULL);
1420 AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
1421 [remove_proc_subtree is defined])
1423 ]) # LC_HAVE_REMOVE_PROC_SUBTREE
1426 # LC_HAVE_PROC_REMOVE
1428 # 3.10 introduced proc_remove
1430 AC_DEFUN([LC_HAVE_PROC_REMOVE], [
1431 LB_CHECK_COMPILE([if 'proc_remove' is defined],
1433 #include <linux/proc_fs.h>
1437 AC_DEFINE(HAVE_PROC_REMOVE, 1,
1438 [proc_remove is defined])
1440 ]) # LC_HAVE_PROC_REMOVE
1442 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1443 LB_CHECK_COMPILE([if get_projid exists],
1446 #include <linux/quota.h>
1448 struct dquot_operations ops = { };
1450 ops.get_projid(NULL, NULL);
1452 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1453 [get_projid function exists])
1455 ]) # LC_HAVE_PROJECT_QUOTA
1459 # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1461 # 3.10 introduced security_dentry_init_security()
1463 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_SECURITY], [
1464 LB_CHECK_COMPILE([if 'security_dentry_init_security' is defined],
1465 security_dentry_init_security, [
1466 #include <linux/security.h>
1468 security_dentry_init_security(NULL, 0, NULL, NULL, NULL);
1470 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURITY, 1,
1471 [security_dentry_init_security' is defined])
1473 ]) # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1476 # LC_INVALIDATE_RANGE
1478 # 3.11 invalidatepage requires the length of the range to invalidate
1480 AC_DEFUN([LC_INVALIDATE_RANGE], [
1481 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1482 address_space_ops_invalidatepage_3args, [
1483 #include <linux/fs.h>
1485 struct address_space_operations a_ops;
1486 a_ops.invalidatepage(NULL, 0, 0);
1488 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1489 [address_space_operations.invalidatepage needs 3 arguments])
1491 ]) # LC_INVALIDATE_RANGE
1494 # LC_HAVE_DIR_CONTEXT
1496 # 3.11 readdir now takes the new struct dir_context
1498 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1499 LB_CHECK_COMPILE([if 'dir_context' exist],
1501 #include <linux/fs.h>
1503 #ifdef FMODE_KABI_ITERATE
1504 #error "back to use readdir in kabi_extand mode"
1506 struct dir_context ctx;
1511 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
1512 [dir_context exist])
1514 ]) # LC_HAVE_DIR_CONTEXT
1517 # LC_D_COMPARE_5ARGS
1519 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1521 AC_DEFUN([LC_D_COMPARE_5ARGS], [
1522 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
1524 #include <linux/dcache.h>
1526 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1528 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1529 [d_compare need 5 arguments])
1531 ]) # LC_D_COMPARE_5ARGS
1536 # 3.11 need to access d_count to get dentry reference count
1538 AC_DEFUN([LC_HAVE_DCOUNT], [
1539 LB_CHECK_COMPILE([if 'd_count' exists],
1541 #include <linux/dcache.h>
1543 struct dentry de = { };
1546 count = d_count(&de);
1548 AC_DEFINE(HAVE_D_COUNT, 1,
1554 # LC_PID_NS_FOR_CHILDREN
1556 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
1558 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
1559 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
1560 pid_ns_for_children, [
1561 #include <linux/nsproxy.h>
1564 ns.pid_ns_for_children = NULL;
1566 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
1567 ['struct nsproxy' has 'pid_ns_for_children'])
1569 ]) # LC_PID_NS_FOR_CHILDREN
1572 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1574 # 3.12 truncate_pagecache without oldsize parameter
1576 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1577 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1578 truncate_pagecache_old_size, [
1579 #include <linux/mm.h>
1581 truncate_pagecache(NULL, 0, 0);
1583 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1586 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1589 # LC_PTR_ERR_OR_ZERO
1591 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
1592 # It was added to linux kernel 3.12
1594 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
1595 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
1597 #include <linux/err.h>
1599 if (PTR_ERR_OR_ZERO(NULL)) return 0;
1601 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
1602 ['PTR_ERR_OR_ZERO' exist])
1604 ]) # LC_PTR_ERR_OR_ZERO_MISSING
1607 # LC_HAVE_DENTRY_D_U_D_ALIAS
1609 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1611 # Some distros move d_alias to d_u but it is still a struct list
1613 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1614 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1615 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1617 #include <linux/list.h>
1618 #include <linux/dcache.h>
1621 INIT_LIST_HEAD(&de.d_u.d_alias);
1623 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1624 [list dentry.d_u.d_alias exist])
1627 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1629 #include <linux/list.h>
1630 #include <linux/dcache.h>
1633 INIT_HLIST_NODE(&de.d_u.d_alias);
1635 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1636 [hlist dentry.d_u.d_alias exist])
1639 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1642 # LC_HAVE_DENTRY_D_CHILD
1644 # 3.11 kernel d_child has been moved out of the union d_u
1647 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1648 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1650 #include <linux/list.h>
1651 #include <linux/dcache.h>
1654 INIT_LIST_HEAD(&de.d_child);
1656 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1657 [dentry.d_child exist])
1659 ]) # LC_HAVE_DENTRY_D_CHILD
1664 # 3.12 ki_left removed from struct kiocb
1666 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1667 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1669 #include <linux/aio.h>
1671 ((struct kiocb*)0)->ki_left = 0;
1673 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1676 ]) # LC_KIOCB_KI_LEFT
1679 # LC_VFS_RENAME_5ARGS
1681 # 3.13 has vfs_rename with 5 args
1683 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1684 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1686 #include <linux/fs.h>
1688 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1690 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1691 [kernel has vfs_rename with 5 args])
1693 ]) # LC_VFS_RENAME_5ARGS
1696 # LC_VFS_UNLINK_3ARGS
1698 # 3.13 has vfs_unlink with 3 args
1700 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1701 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1703 #include <linux/fs.h>
1705 vfs_unlink(NULL, NULL, NULL);
1707 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1708 [kernel has vfs_unlink with 3 args])
1710 ]) # LC_VFS_UNLINK_3ARGS
1715 # 3.14 move some of its data in struct bio into the new
1718 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1719 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1721 #include <linux/bio.h>
1723 struct bvec_iter iter;
1725 iter.bi_bvec_done = 0;
1727 AC_DEFINE(HAVE_BVEC_ITER, 1,
1728 [kernel has struct bvec_iter])
1730 ]) # LC_HAVE_BVEC_ITER
1735 # 3.14 adds set_acl method to inode_operations
1736 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
1738 AC_DEFUN([LC_IOP_SET_ACL], [
1739 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
1740 inode_ops_set_acl, [
1741 #include <linux/fs.h>
1743 struct inode_operations iop;
1746 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
1747 [inode_operations has .set_acl member function])
1754 # 4.4 redefined bi_cnt as __bi_cnt
1756 AC_DEFUN([LC_HAVE_BI_CNT], [
1757 LB_CHECK_COMPILE([if Linux kernel has bi_cnt in struct bio],
1759 #include <asm/atomic.h>
1760 #include <linux/bio.h>
1762 struct bio bio = { };
1764 cnt = atomic_read(&bio.bi_cnt);
1766 AC_DEFINE(HAVE_BI_CNT, 1,
1767 [struct bio has bi_cnt])
1774 # 4.4 redefined bi_rw as bi_opf
1776 AC_DEFUN([LC_HAVE_BI_RW], [
1777 LB_CHECK_COMPILE([if Linux kernel has bi_rw in struct bio],
1779 #include <linux/bio.h>
1785 AC_DEFINE(HAVE_BI_RW, 1,
1786 [struct bio has bi_rw])
1791 # LC_HAVE_SUBMIT_BIO_2ARGS
1793 # 4.4 removed an argument from submit_bio
1795 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
1796 LB_CHECK_COMPILE([if submit_bio takes two arguments],
1797 have_submit_bio_2args, [
1798 #include <linux/bio.h>
1801 submit_bio(READ, &bio);
1803 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
1804 [submit_bio takes two arguments])
1806 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
1809 # LC_HAVE_CLEAN_BDEV_ALIASES
1811 # 4.4 unmap_underlying_metadata was replaced by clean_bdev_aliases
1813 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
1814 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
1815 have_clean_bdev_aliases, [
1816 #include <linux/buffer_head.h>
1818 struct block_device bdev;
1819 clean_bdev_aliases(&bdev,1,1);
1821 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
1822 [kernel has clean_bdev_aliases])
1824 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
1827 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1829 # 3.14 bring truncate_inode_pages_final for evict_inode
1831 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1832 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1833 truncate_ipages_final, [
1834 #include <linux/mm.h>
1836 truncate_inode_pages_final(NULL);
1838 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1839 [kernel has truncate_inode_pages_final])
1841 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1844 # LC_IOPS_RENAME_WITH_FLAGS
1846 # 3.14 has inode_operations->rename with 5 args
1847 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
1849 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
1850 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
1851 iops_rename_with_flags, [
1852 #include <linux/fs.h>
1854 struct inode *i1 = NULL, *i2 = NULL;
1855 struct dentry *d1 = NULL, *d2 = NULL;
1857 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
1859 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
1860 [inode_operations->rename need flags as argument])
1862 ]) # LC_IOPS_RENAME_WITH_FLAGS
1865 # LC_VFS_RENAME_6ARGS
1867 # 3.15 has vfs_rename with 6 args
1869 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1870 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1872 #include <linux/fs.h>
1874 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1876 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1877 [kernel has vfs_rename with 6 args])
1879 ]) # LC_VFS_RENAME_6ARGS
1882 # LC_DIRECTIO_USE_ITER
1884 # 3.16 kernel changes direct IO to use iov_iter
1886 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1887 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1889 #include <linux/fs.h>
1891 struct address_space_operations ops = { };
1892 struct iov_iter *iter = NULL;
1895 ops.direct_IO(0, NULL, iter, offset);
1897 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1898 [direct IO uses iov_iter])
1900 ]) # LC_DIRECTIO_USE_ITER
1903 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1906 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1907 # changed iov_iter_init api to start accepting a tag
1908 # that defines if its a read or write operation
1910 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1911 tmp_flags="$EXTRA_KCFLAGS"
1912 EXTRA_KCFLAGS="-Werror"
1913 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1915 #include <linux/uio.h>
1916 #include <linux/fs.h>
1918 const struct iovec *iov = NULL;
1920 iov_iter_init(NULL, READ, iov, 1, 0);
1922 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1923 [iov_iter_init handles directional tag])
1925 EXTRA_KCFLAGS="$tmp_flags"
1926 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1929 # LC_HAVE_IOV_ITER_TRUNCATE
1932 # 3.16 introduces a new API iov_iter_truncate()
1934 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1935 tmp_flags="$EXTRA_KCFLAGS"
1936 EXTRA_KCFLAGS="-Werror"
1937 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
1939 #include <linux/uio.h>
1940 #include <linux/fs.h>
1942 struct iov_iter *i = NULL;
1944 iov_iter_truncate(i, 0);
1946 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1948 EXTRA_KCFLAGS="$tmp_flags"
1949 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1952 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1954 # 3.16 introduces [read|write]_iter to struct file_operations
1956 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1957 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1958 file_function_iter, [
1959 #include <linux/fs.h>
1961 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1962 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1964 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1965 [file_operations.[read|write]_iter functions exist])
1967 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1970 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1972 # 3.17 replace sector_size with interval in struct blk_integrity
1974 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1975 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
1976 interval_blk_integrity, [
1977 #include <linux/blkdev.h>
1979 ((struct blk_integrity *)0)->interval = 0;
1981 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1982 [blk_integrity.interval exist])
1984 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1989 # 3.17 replaces key_type::match with match_preparse
1990 # and has new struct key_match_data
1992 AC_DEFUN([LC_KEY_MATCH_DATA], [
1993 LB_CHECK_COMPILE([if struct key_match field exist],
1995 #include <linux/key-type.h>
1997 struct key_match_data data;
1999 data.raw_data = NULL;
2001 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
2002 [struct key_match_data exist])
2004 ]) # LC_KEY_MATCH_DATA
2007 # LC_NFS_FILLDIR_USE_CTX
2009 # 3.18 kernel moved from void cookie to struct dir_context
2011 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
2012 tmp_flags="$EXTRA_KCFLAGS"
2013 EXTRA_KCFLAGS="-Werror"
2014 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
2016 #include <linux/fs.h>
2018 int filldir(struct dir_context *ctx, const char* name,
2019 int i, loff_t off, u64 tmp, unsigned temp)
2024 struct dir_context ctx = {
2028 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
2030 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
2031 [filldir_t needs struct dir_context as argument])
2033 EXTRA_KCFLAGS="$tmp_flags"
2034 ]) # LC_NFS_FILLDIR_USE_CTX
2037 # LC_PERCPU_COUNTER_INIT
2039 # 3.18 For kernels 3.18 and after percpu_counter_init starts
2040 # to pass a GFP_* memory allocation flag for internal
2041 # memory allocation purposes.
2043 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
2044 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
2045 percpu_counter_init, [
2046 #include <linux/percpu_counter.h>
2048 percpu_counter_init(NULL, 0, GFP_KERNEL);
2050 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
2051 [percpu_counter_init uses GFP_* flag])
2053 ]) # LC_PERCPU_COUNTER_INIT
2056 # LC_KIOCB_HAS_NBYTES
2058 # 3.19 kernel removed ki_nbytes from struct kiocb
2060 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
2061 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
2063 #include <linux/fs.h>
2065 struct kiocb iocb = { };
2069 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
2071 ]) # LC_KIOCB_HAS_NBYTES
2074 # LC_HAVE_DQUOT_QC_DQBLK
2076 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
2077 # Added in commit 14bf61ffe
2079 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
2080 tmp_flags="$EXTRA_KCFLAGS"
2081 EXTRA_KCFLAGS="-Werror"
2082 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
2084 #include <linux/fs.h>
2085 #include <linux/quota.h>
2087 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
2089 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
2090 [quotactl_ops.set_dqblk takes struct qc_dqblk])
2091 AC_DEFINE(HAVE_DQUOT_KQID, 1,
2092 [quotactl_ops.set_dqblk takes struct kqid])
2094 EXTRA_KCFLAGS="$tmp_flags"
2095 ]) # LC_HAVE_DQUOT_QC_DQBLK
2098 # LC_BACKING_DEV_INFO_REMOVAL
2100 # 3.20 kernel removed backing_dev_info from address_space
2102 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
2103 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
2105 #include <linux/fs.h>
2107 struct address_space mapping;
2109 mapping.backing_dev_info = NULL;
2111 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
2113 ]) # LC_BACKING_DEV_INFO_REMOVAL
2116 # LC_HAVE_BDI_CAP_MAP_COPY
2118 # 3.20 removed mmap handling for backing devices since
2119 # it breaks on non-MMU systems. See kernel commit
2120 # b4caecd48005fbed3949dde6c1cb233142fd69e9
2122 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
2123 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
2125 #include <linux/backing-dev.h>
2127 struct backing_dev_info info;
2129 info.capabilities = BDI_CAP_MAP_COPY;
2131 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
2132 [BDI_CAP_MAP_COPY exist])
2134 ]) # LC_HAVE_BDI_CAP_MAP_COPY
2137 # LC_CANCEL_DIRTY_PAGE
2139 # 4.0.0 kernel removed cancel_dirty_page
2141 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
2142 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
2143 cancel_dirty_page, [
2144 #include <linux/mm.h>
2146 cancel_dirty_page(NULL, PAGE_SIZE);
2148 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
2149 [cancel_dirty_page is still available])
2151 ]) # LC_CANCEL_DIRTY_PAGE
2156 # 4.1 kernel has iov_iter_rw
2158 AC_DEFUN([LC_IOV_ITER_RW], [
2159 LB_CHECK_COMPILE([if iov_iter_rw exist],
2161 #include <linux/fs.h>
2162 #include <linux/uio.h>
2164 struct iov_iter *iter = NULL;
2168 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
2169 [iov_iter_rw exist])
2174 # LC_HAVE_SYNC_READ_WRITE
2176 # 4.1 new_sync_[read|write] no longer exported
2178 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
2179 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
2180 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
2181 [new_sync_[read|write] is exported by the kernel])])
2182 ]) # LC_HAVE_SYNC_READ_WRITE
2185 # LC_NEW_CANCEL_DIRTY_PAGE
2187 # 4.2 kernel has new cancel_dirty_page
2189 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
2190 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
2191 new_cancel_dirty_page, [
2192 #include <linux/mm.h>
2194 cancel_dirty_page(NULL);
2196 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
2197 [cancel_dirty_page with one arguement is available])
2199 ]) # LC_NEW_CANCEL_DIRTY_PAGE
2202 # LC_SYMLINK_OPS_USE_NAMEIDATA
2204 # For the 4.2+ kernels the file system internal symlink api no
2205 # longer uses struct nameidata as a argument
2207 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
2208 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
2209 symlink_use_nameidata, [
2210 #include <linux/namei.h>
2211 #include <linux/fs.h>
2213 struct nameidata *nd = NULL;
2215 ((struct inode_operations *)0)->follow_link(NULL, nd);
2216 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
2218 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
2219 [symlink inode operations need struct nameidata argument])
2221 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
2224 # LC_BIO_ENDIO_USES_ONE_ARG
2226 # 4.2 kernel bio_endio now only takes one argument
2228 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
2229 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
2231 #include <linux/bio.h>
2235 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
2236 [bio_endio takes only one argument])
2238 ]) # LC_BIO_ENDIO_USES_ONE_ARG
2241 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2243 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
2244 # 'struct blk_integrity_profile' is also added in this version,
2245 # thus use this to determine whether 'struct blk_integrity' has profile
2247 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
2248 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
2249 blk_integrity_interval_exp, [
2250 #include <linux/blkdev.h>
2252 ((struct blk_integrity *)0)->interval_exp = 0;
2254 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
2255 [blk_integrity.interval_exp exist])
2257 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2260 # LC_HAVE_LOOP_CTL_GET_FREE
2262 # 4.x kernel have moved userspace APIs to
2263 # the separate directory and all of them
2264 # support LOOP_CTL_GET_FREE
2266 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
2267 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
2268 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
2269 LOOP_CTL_GET_FREE, [
2270 #include <linux/loop.h>
2274 i = LOOP_CTL_GET_FREE;
2276 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2277 [LOOP_CTL_GET_FREE exist])
2280 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2281 [kernel has LOOP_CTL_GET_FREE])
2283 ]) # LC_HAVE_LOOP_CTL_GET_FREE
2286 # LC_HAVE_CACHE_HEAD_HLIST
2288 # 4.3 kernel swiched to hlist for cache_head
2290 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
2291 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
2292 cache_head_has_hlist, [
2293 #include <linux/sunrpc/cache.h>
2295 do {} while(sizeof(((struct cache_head *)0)->cache_list));
2297 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
2298 [cache_head has hlist cache_list])
2300 ]) # LC_HAVE_CACHE_HEAD_HLIST
2303 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2305 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
2306 # simplified xattr_handler handling by passing in the handler pointer
2308 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
2309 tmp_flags="$EXTRA_KCFLAGS"
2310 EXTRA_KCFLAGS="-Werror"
2311 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
2312 xattr_handler_simplified, [
2313 #include <linux/xattr.h>
2315 struct xattr_handler handler;
2317 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
2318 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
2320 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
2322 EXTRA_KCFLAGS="$tmp_flags"
2323 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2326 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2328 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
2330 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
2331 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
2332 bio_integrity_payload_bip_iter, [
2333 #include <linux/bio.h>
2335 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
2337 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
2338 [bio_integrity_payload.bip_iter exist])
2340 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2343 # LC_BIO_INTEGRITY_PREP_FN
2345 # Lustre kernel patch extents bio_integrity_prep to accept optional
2346 # generate/verify_fn as extra args.
2348 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
2349 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
2350 bio_integrity_prep_fn, [
2351 #include <linux/bio.h>
2353 bio_integrity_prep_fn(NULL, NULL, NULL);
2355 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
2356 [kernel has bio_integrity_prep_fn])
2357 AC_SUBST(PATCHED_INTEGRITY_INTF)
2359 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
2361 ]) # LC_BIO_INTEGRITY_PREP_FN
2364 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2366 # 4.4 kernel have moved locks API users to
2367 # locks_lock_inode_wait()
2369 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2370 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2371 locks_lock_file_wait, [
2372 #include <linux/fs.h>
2374 locks_lock_file_wait(NULL, NULL);
2376 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2377 [kernel has locks_lock_file_wait])
2379 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2382 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2384 # 4.4 kernel merged type-specific data with the payload data for keys
2386 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2387 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2388 key_payload_data_array, [
2389 #include <linux/key.h>
2391 struct key key = { };
2393 key.payload.data[0] = NULL;
2395 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2397 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2400 # LC_HAVE_XATTR_HANDLER_NAME
2402 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
2403 # add a name member to struct xattr_handler
2405 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
2406 tmp_flags="$EXTRA_KCFLAGS"
2407 EXTRA_KCFLAGS="-Werror"
2408 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
2409 xattr_handler_name, [
2410 #include <linux/xattr.h>
2412 ((struct xattr_handler *)NULL)->name = NULL;
2414 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
2416 EXTRA_KCFLAGS="$tmp_flags"
2417 ]) # LC_HAVE_XATTR_HANDLER_NAME
2420 # LC_HAVE_FILE_DENTRY
2422 # 4.5 adds wrapper file_dentry
2424 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
2425 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
2427 #include <linux/fs.h>
2431 AC_DEFINE(HAVE_FILE_DENTRY, 1,
2432 [kernel has file_dentry])
2434 ]) # LC_HAVE_FILE_DENTRY
2437 # LC_HAVE_INODE_LOCK
2439 # 4.5 introduced inode_lock
2441 AC_DEFUN([LC_HAVE_INODE_LOCK], [
2442 LB_CHECK_COMPILE([if 'inode_lock' is defined],
2444 #include <linux/fs.h>
2448 AC_DEFINE(HAVE_INODE_LOCK, 1,
2449 [inode_lock is defined])
2451 ]) # LC_HAVE_INODE_LOCK
2454 # LC_HAVE_IOP_GET_LINK
2456 # 4.5 vfs replaced iop->follow_link with
2459 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
2460 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
2461 inode_ops_get_link, [
2462 #include <linux/fs.h>
2464 struct inode_operations iop;
2465 iop.get_link = NULL;
2467 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
2468 [have iop get_link])
2470 ]) # LC_HAVE_IOP_GET_LINK
2473 # LC_HAVE_IN_COMPAT_SYSCALL
2475 # 4.6 renamed is_compat_task to in_compat_syscall
2477 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
2478 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
2479 in_compat_syscall, [
2480 #include <linux/compat.h>
2482 in_compat_syscall();
2484 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
2485 [have in_compat_syscall])
2487 ]) # LC_HAVE_IN_COMPAT_SYSCALL
2490 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2492 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
2493 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
2494 # to xattr_handler functions
2496 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
2497 tmp_flags="$EXTRA_KCFLAGS"
2498 EXTRA_KCFLAGS="-Werror"
2499 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
2500 xattr_handler_inode_param, [
2501 #include <linux/xattr.h>
2503 const struct xattr_handler handler;
2505 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
2506 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
2508 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
2510 EXTRA_KCFLAGS="$tmp_flags"
2511 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2516 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2517 # direct-io: eliminate the offset argument to ->direct_IO
2519 AC_DEFUN([LC_DIRECTIO_2ARGS], [
2520 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
2522 #include <linux/fs.h>
2524 struct address_space_operations ops = { };
2525 struct iov_iter *iter = NULL;
2526 struct kiocb *iocb = NULL;
2529 rc = ops.direct_IO(iocb, iter);
2531 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
2532 [direct_IO need 2 arguments])
2534 ]) # LC_DIRECTIO_2ARGS
2537 # LC_GENERIC_WRITE_SYNC_2ARGS
2539 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2540 # direct-io: eliminate the offset argument to ->direct_IO
2542 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
2543 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
2544 generic_write_sync_2args, [
2545 #include <linux/fs.h>
2547 struct kiocb *iocb = NULL;
2550 rc = generic_write_sync(iocb, 0);
2552 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
2553 [generic_write_sync need 2 arguments])
2555 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
2558 # LC_FOP_ITERATE_SHARED
2560 # Kernel version 4.7 adds iterate_shared method to file_operations
2562 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
2563 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
2564 fop_iterate_shared, [
2565 #include <linux/fs.h>
2567 struct file_operations fop;
2568 fop.iterate_shared = NULL;
2570 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
2571 [file_operations has iterate_shared])
2573 ]) # LC_FOP_ITERATE_SHARED
2576 # LC_FOPS_ITERATE_SHARED
2578 # 4.7 commit ae05327a00fd47c34dfe25294b359a3f3fef96e8
2579 # ext4: switch to ->iterate_shared()
2580 # this replaces ext4_dir_operations iterate with iterate_shared.
2581 # dir_relaxed_shared() was also added in this commit, so we can
2582 # use that function to verify that the ext4_dir_operations is using
2585 AC_DEFUN([LC_FOPS_ITERATE_SHARED], [
2586 LB_CHECK_COMPILE([if ext4_dir_operations uses iterate_shared],
2588 #include <linux/fs.h>
2590 ((struct file_operations *)0)->iterate_shared(NULL, NULL);
2591 dir_relax_shared(NULL);
2593 AC_DEFINE(HAVE_ITERATE_SHARED, 1,
2594 ['iterate_shared' is available])
2596 ]) # LC_FOPS_ITERATE_SHARED
2599 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2601 # 4.8 posix_acl_valid takes struct user_namespace
2603 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2604 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
2606 #include <linux/fs.h>
2607 #include <linux/posix_acl.h>
2609 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2611 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2612 [posix_acl_valid takes struct user_namespace])
2614 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2617 # LC_D_COMPARE_4ARGS
2619 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2620 # get rid of 'parent' argument of ->d_compare()
2622 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2623 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
2625 #include <linux/dcache.h>
2627 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2629 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2630 [d_compare need 4 arguments])
2632 ]) # LC_D_COMPARE_4ARGS
2635 # LC_FULL_NAME_HASH_3ARGS
2637 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2638 # vfs: make the string hashes salt the hash
2640 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2641 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
2642 full_name_hash_3args, [
2643 #include <linux/stringhash.h>
2646 hash = full_name_hash(NULL,NULL,0);
2648 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2649 [full_name_hash need 3 arguments])
2651 ]) # LC_FULL_NAME_HASH_3ARGS
2654 # LC_STRUCT_POSIX_ACL_XATTR
2656 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2657 # posix_acl: xattr representation cleanups
2659 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2660 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
2661 struct_posix_acl_xattr, [
2662 #include <linux/fs.h>
2663 #include <linux/posix_acl_xattr.h>
2665 struct posix_acl_xattr_header *h = NULL;
2666 struct posix_acl_xattr_entry *e;
2667 e = (void *)(h + 1);
2669 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2670 [struct posix_acl_xattr_{header,entry} defined])
2672 ]) # LC_STRUCT_POSIX_ACL_XATTR
2677 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2678 # removed {get,set,remove}xattr inode operations
2680 AC_DEFUN([LC_IOP_XATTR], [
2681 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
2683 #include <linux/fs.h>
2685 struct inode_operations iop;
2686 iop.setxattr = NULL;
2687 iop.getxattr = NULL;
2688 iop.removexattr = NULL;
2690 AC_DEFINE(HAVE_IOP_XATTR, 1,
2691 [inode_operations has {get,set,remove}xattr members])
2698 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2699 # cred: simpler, 1D supplementary groups
2701 AC_DEFUN([LC_GROUP_INFO_GID], [
2702 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
2704 #include <linux/cred.h>
2707 p = ((struct group_info *)0)->gid;
2709 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2710 [struct group_info has member gid])
2712 ]) # LC_GROUP_INFO_GID
2717 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2718 # added __vfs_{get,set,remove}xattr helpers
2720 AC_DEFUN([LC_VFS_SETXATTR], [
2721 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
2723 #include <linux/xattr.h>
2725 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2727 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
2728 ['__vfs_setxattr is available])
2730 ]) # LC_VFS_SETXATTR
2733 # LC_POSIX_ACL_UPDATE_MODE
2735 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2736 # posix_acl: Clear SGID bit when setting file permissions
2738 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2739 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
2740 posix_acl_update_mode, [
2741 #include <linux/fs.h>
2742 #include <linux/posix_acl.h>
2744 posix_acl_update_mode(NULL, NULL, NULL);
2746 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2747 ['posix_acl_update_mode' is available])
2749 ]) # LC_POSIX_ACL_UPDATE_MODE
2752 # LC_IOP_GENERIC_READLINK
2754 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2755 # removed generic_readlink from individual file systems
2757 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2758 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
2759 inode_ops_readlink, [
2760 #include <linux/fs.h>
2762 struct inode_operations iop;
2763 iop.readlink = generic_readlink;
2765 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2766 [generic_readlink has been removed])
2768 ]) # LC_IOP_GENERIC_READLINK
2771 # LC_HAVE_VM_FAULT_ADDRESS
2773 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2774 # removed virtual_address field. Need to use address field instead
2776 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2777 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
2779 #include <linux/mm.h>
2781 struct vm_fault vmf;
2784 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2785 [virtual_address has been replaced by address field])
2787 ]) # LC_HAVE_VM_FAULT_ADDRESS
2790 # LC_INODEOPS_ENHANCED_GETATTR
2792 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2793 # expanded getattr to be able to get more stat information.
2795 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2796 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
2798 #include <linux/fs.h>
2802 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2804 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2805 [inode_operations .getattr member function can gather advance stats])
2807 ]) # LC_INODEOPS_ENHANCED_GETATTR
2810 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2812 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2813 # removed struct vm_area_struct as an argument for vm_operations since
2814 # in the same kernel version struct vma_area_struct was folded into
2817 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2818 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
2819 vm_operations_no_vm_area_struct, [
2820 #include <linux/mm.h>
2822 struct vm_fault vmf;
2824 ((struct vm_operations_struct *)0)->fault(&vmf);
2825 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2827 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2828 ['struct vm_operations' remove struct vm_area_struct argument])
2830 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2833 # LC_HAVE_KEY_USAGE_REFCOUNT
2835 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2836 # converted key.usage from atomic_t to refcount_t.
2838 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2839 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
2840 key_usage_refcount, [
2841 #include <linux/key.h>
2843 struct key key = { };
2845 refcount_read(&key.usage);
2847 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
2849 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2852 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2854 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2855 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2857 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2858 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
2859 crypto_max_alg_name, [
2860 #include <linux/crypto.h>
2862 #if CRYPTO_MAX_ALG_NAME != 128
2866 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2867 ['CRYPTO_MAX_ALG_NAME' is 128])
2869 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2872 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2873 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2876 AC_DEFUN([LC_CURRENT_TIME], [
2877 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
2879 #include <linux/fs.h>
2881 struct timespec ts = current_time(NULL);
2883 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2884 [current_time() has replaced CURRENT_TIME])
2886 ]) # LIBCFS_CURRENT_TIME
2889 # LC_SUPER_SETUP_BDI_NAME
2891 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2892 # unified bdi handling
2894 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2895 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
2896 super_setup_bdi_name, [
2897 #include <linux/fs.h>
2899 super_setup_bdi_name(NULL, "lustre");
2901 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2902 ['super_setup_bdi_name' is available])
2904 ]) # LC_SUPER_SETUP_BDI_NAME
2909 # 4.12 replace bi_error to bi_status
2911 AC_DEFUN([LC_BI_STATUS], [
2912 LB_CHECK_COMPILE([if 'bi_status' exist],
2914 #include <linux/blk_types.h>
2916 ((struct bio *)0)->bi_status = 0;
2918 AC_DEFINE(HAVE_BI_STATUS, 1,
2919 ['bi_status' is available])
2924 # LC_BIO_INTEGRITY_ENABLED
2926 # 4.13 removed bio_integrity_enabled
2928 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
2929 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
2930 bio_integrity_enabled, [
2931 #include <linux/bio.h>
2933 bio_integrity_enabled(NULL);
2935 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
2936 ['bio_integrity_enabled' is available])
2938 ]) # LC_BIO_INTEGRITY_ENABLED
2941 # LC_PAGEVEC_INIT_ONE_PARAM
2943 # 4.14 pagevec_init takes one parameter
2945 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
2946 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
2948 #include <linux/pagevec.h>
2952 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
2953 ['pagevec_init' takes one parameter])
2955 ]) # LC_PAGEVEC_INIT_ONE_PARAM
2960 # 4.14 replaced bi_bdev to bi_disk
2962 AC_DEFUN([LC_BI_BDEV], [
2963 LB_CHECK_COMPILE([if 'bi_bdev' exist],
2965 #include <linux/bio.h>
2967 ((struct bio *)0)->bi_bdev = NULL;
2969 AC_DEFINE(HAVE_BI_BDEV, 1,
2970 ['bi_bdev' is available])
2977 # Lustre linux kernel checks
2979 AC_DEFUN([LC_PROG_LINUX], [
2980 AC_MSG_NOTICE([Lustre kernel checks
2981 ==============================================================================])
2985 LC_CONFIG_HEALTH_CHECK_WRITE
2986 LC_CONFIG_LRU_RESIZE
2988 LC_GLIBC_SUPPORT_FHANDLES
2993 LC_BLK_QUEUE_MAX_SEGMENTS
2996 LC_HAVE_XATTR_HANDLER_FLAGS
2999 LC_HAVE_DQUOT_FS_DISK_QUOTA
3000 LC_HAVE_DQUOT_SUSPEND
3001 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
3005 LC_EXPORT_SIMPLE_SETATTR
3006 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
3010 LC_SBOPS_EVICT_INODE
3014 LC_FS_STRUCT_SEQCOUNT
3017 LC_BLKDEV_GET_BY_DEV
3018 LC_GENERIC_PERMISSION
3026 LC_HAVE_FHANDLE_SYSCALLS
3027 LC_HAVE_FSTYPE_MOUNT
3029 LC_HAVE_INODE_OWNER_OR_CAPABLE
3030 LC_HAVE_SECURITY_IINITSEC
3033 LC_DIRTY_INODE_WITH_FLAG
3037 LC_LM_XXX_LOCK_MANAGER_OPS
3041 LC_INODE_PERMISION_2ARGS
3042 LC_RADIX_EXCEPTION_ENTRY
3043 LC_HAVE_LOOP_CTL_GET_FREE
3046 LC_HAVE_PROTECT_I_NLINK
3049 LC_HAVE_MIGRATE_HEADER
3050 LC_MIGRATEPAGE_4ARGS
3051 LC_SUPEROPS_USE_DENTRY
3052 LC_INODEOPS_USE_UMODE_T
3053 LC_HAVE_CACHE_REGISTER
3057 LC_KMAP_ATOMIC_HAS_1ARG
3061 LC_HAVE_ENCODE_FH_PARENT
3062 LC_FILE_LLSEEK_SIZE_5ARG
3065 LC_DATA_FOR_LLITE_IS_LIST
3066 LC_DENTRY_OPEN_USE_PATH
3067 LC_HAVE_IOP_ATOMIC_OPEN
3068 LC_HAVE_SB_START_WRITE
3071 LC_HAVE_POSIXACL_USER_NS
3074 LC_HAVE_FILE_F_INODE
3076 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
3079 LC_HAVE_HLIST_FOR_EACH_3ARG
3080 LC_HAVE_BIO_END_SECTOR
3084 LC_HAVE_REMOVE_PROC_SUBTREE
3086 LC_HAVE_PROJECT_QUOTA
3087 LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
3094 LC_HAVE_DENTRY_D_U_D_ALIAS
3095 LC_HAVE_DENTRY_D_CHILD
3096 LC_PID_NS_FOR_CHILDREN
3099 LC_OLDSIZE_TRUNCATE_PAGECACHE
3100 LC_PTR_ERR_OR_ZERO_MISSING
3109 LC_HAVE_TRUNCATE_IPAGES_FINAL
3110 LC_IOPS_RENAME_WITH_FLAGS
3117 LC_DIRECTIO_USE_ITER
3118 LC_HAVE_IOV_ITER_INIT_DIRECTION
3119 LC_HAVE_IOV_ITER_TRUNCATE
3120 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3123 LC_HAVE_INTERVAL_BLK_INTEGRITY
3127 LC_PERCPU_COUNTER_INIT
3128 LC_NFS_FILLDIR_USE_CTX
3132 LC_HAVE_DQUOT_QC_DQBLK
3135 LC_BACKING_DEV_INFO_REMOVAL
3136 LC_HAVE_BDI_CAP_MAP_COPY
3139 LC_CANCEL_DIRTY_PAGE
3143 LC_HAVE_SYNC_READ_WRITE
3146 LC_NEW_CANCEL_DIRTY_PAGE
3147 LC_BIO_ENDIO_USES_ONE_ARG
3148 LC_SYMLINK_OPS_USE_NAMEIDATA
3151 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3152 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3153 LC_HAVE_CACHE_HEAD_HLIST
3154 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
3157 LC_HAVE_LOCKS_LOCK_FILE_WAIT
3158 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3159 LC_HAVE_XATTR_HANDLER_NAME
3162 LC_HAVE_SUBMIT_BIO_2ARGS
3163 LC_HAVE_CLEAN_BDEV_ALIASES
3170 LC_HAVE_IOP_GET_LINK
3173 LC_HAVE_IN_COMPAT_SYSCALL
3174 LC_HAVE_XATTR_HANDLER_INODE_PARAM
3178 LC_GENERIC_WRITE_SYNC_2ARGS
3179 LC_FOPS_ITERATE_SHARED
3182 LC_HAVE_POSIX_ACL_VALID_USER_NS
3184 LC_FULL_NAME_HASH_3ARGS
3185 LC_STRUCT_POSIX_ACL_XATTR
3191 LC_POSIX_ACL_UPDATE_MODE
3194 LC_IOP_GENERIC_READLINK
3195 LC_HAVE_VM_FAULT_ADDRESS
3198 LC_INODEOPS_ENHANCED_GETATTR
3199 LC_VM_OPERATIONS_REMOVE_VMF_ARG
3200 LC_HAVE_KEY_USAGE_REFCOUNT
3201 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
3205 LC_SUPER_SETUP_BDI_NAME
3209 LC_BIO_INTEGRITY_ENABLED
3212 LC_PAGEVEC_INIT_ONE_PARAM
3215 # kernel patch to extend integrity interface
3216 LC_BIO_INTEGRITY_PREP_FN
3219 AS_IF([test "x$enable_server" != xno], [
3229 # Check whether to build the client side of Lustre
3231 AC_DEFUN([LC_CONFIG_CLIENT], [
3232 AC_MSG_CHECKING([whether to build Lustre client support])
3233 AC_ARG_ENABLE([client],
3234 AC_HELP_STRING([--disable-client],
3235 [disable Lustre client support]),
3236 [], [enable_client="yes"])
3237 AC_MSG_RESULT([$enable_client])
3238 ]) # LC_CONFIG_CLIENT
3243 AC_DEFUN([LB_CONFIG_MPITESTS], [
3244 AC_ARG_ENABLE([mpitests],
3245 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
3246 [include mpi tests]), [
3247 enable_mpitests="yes"
3250 MPICC_WRAPPER="mpicc"
3253 enable_mpitests="no"
3256 MPICC_WRAPPER=$enableval
3260 enable_mpitests="yes"
3261 MPICC_WRAPPER="mpicc"
3264 if test "x$enable_mpitests" != "xno"; then
3267 AC_CACHE_CHECK([whether mpitests can be built],
3268 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
3272 MPI_Initialized(&flag);
3275 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
3277 enable_mpitests=$lb_cv_mpi_tests
3280 AC_SUBST(MPICC_WRAPPER)
3281 ]) # LB_CONFIG_MPITESTS
3286 # whether to enable quota support global control
3288 AC_DEFUN([LC_CONFIG_QUOTA], [
3289 AC_MSG_CHECKING([whether to enable quota support global control])
3290 AC_ARG_ENABLE([quota],
3291 AC_HELP_STRING([--enable-quota],
3292 [enable quota support]),
3293 [], [enable_quota="yes"])
3294 AS_IF([test "x$enable_quota" = xyes],
3295 [AC_MSG_RESULT([yes])],
3296 [AC_MSG_RESULT([no])])
3297 ]) # LC_CONFIG_QUOTA
3302 AC_DEFUN([LC_QUOTA], [
3306 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
3307 AC_CHECK_HEADER([sys/quota.h],
3308 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
3309 [Define to 1 if you have <sys/quota.h>.])],
3310 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
3315 # LC_CONFIG_NODEMAP_PROC_DEBUG
3317 # enable nodemap proc file debugging
3319 AC_DEFUN([LC_NODEMAP_PROC_DEBUG], [
3320 AC_MSG_CHECKING([whether to enable nodemap proc debug])
3321 AC_ARG_ENABLE([nodemap_proc_debug],
3322 AC_HELP_STRING([--enable-nodemap-proc-debug],
3323 [enable nodemap proc debug]),
3324 [], [enable_nodemap_proc_debug="no"])
3325 AC_MSG_RESULT([$enable_nodemap_proc_debug])
3326 AS_IF([test "x$enable_nodemap_proc_debug" != xno],
3327 [AC_DEFINE(NODEMAP_PROC_DEBUG, 1,
3328 [enable nodemap proc debug support])])
3329 ]) # LC_NODEMAP_PROC_DEBUG
3334 # configure support for optional OSD implementation
3336 AC_DEFUN([LC_OSD_ADDON], [
3337 AC_MSG_CHECKING([whether to use OSD addon])
3339 AC_HELP_STRING([--with-osd=path],
3340 [set path to optional osd]),
3347 OSDADDON="$with_osd"
3354 AS_IF([test $ENABLEOSDADDON -eq 0], [
3358 OSDMODNAME=$(basename $OSDADDON)
3359 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
3360 AC_MSG_RESULT([can't link])
3362 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
3363 AC_MSG_RESULT([$OSDMODNAME])
3364 OSDADDON="subdir-m += $OSDMODNAME"
3366 AC_MSG_RESULT([can't link])
3376 # other configure checks
3378 AC_DEFUN([LC_CONFIGURE], [
3379 AC_MSG_NOTICE([Lustre core checks
3380 ==============================================================================])
3382 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
3383 [CFLAGS="$CFLAGS -Wall -Werror"])
3385 # maximum MDS thread count
3388 # lustre/utils/gss/gss_util.c
3389 # lustre/utils/gss/gssd_proc.c
3390 # lustre/utils/gss/krb5_util.c
3391 # lustre/utils/llog_reader.c
3392 # lustre/utils/create_iam.c
3393 # lustre/utils/libiam.c
3394 AC_CHECK_HEADERS([netdb.h endian.h])
3395 AC_CHECK_FUNCS([gethostbyname])
3397 # lustre/utils/llverdev.c
3398 AC_CHECK_HEADERS([blkid/blkid.h])
3400 # lustre/utils/llverfs.c
3401 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
3403 # lustre/utils/lfs.c
3404 AC_CHECK_LIB([z], [crc32], [
3405 AC_CHECK_HEADER([zlib.h], [], [
3406 AC_MSG_ERROR([zlib.h not found.])])
3409 zlib library not found. Please install zlib development package.])
3413 AC_CHECK_LIB([selinux], [is_selinux_enabled],
3414 [AC_CHECK_HEADERS([selinux/selinux.h],
3415 [SELINUX="-lselinux"
3416 AC_DEFINE([HAVE_SELINUX], 1,
3417 [support for selinux ])],
3420 No libselinux-devel package found, unable to build selinux enabled tools
3425 No selinux package found, unable to build selinux enabled tools
3431 AC_MSG_CHECKING([whether to report minimum OST free space])
3432 AC_ARG_ENABLE([mindf],
3433 AC_HELP_STRING([--enable-mindf],
3434 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
3435 [], [enable_mindf="no"])
3436 AC_MSG_RESULT([$enable_mindf])
3437 AS_IF([test "$enable_mindf" = "yes"],
3438 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
3440 AC_MSG_CHECKING([whether to randomly failing memory alloc])
3441 AC_ARG_ENABLE([fail_alloc],
3442 AC_HELP_STRING([--disable-fail-alloc],
3443 [disable randomly alloc failure]),
3444 [], [enable_fail_alloc="yes"])
3445 AC_MSG_RESULT([$enable_fail_alloc])
3446 AS_IF([test "x$enable_fail_alloc" != xno],
3447 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
3448 [enable randomly alloc failure])])
3450 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
3451 AC_ARG_ENABLE([invariants],
3452 AC_HELP_STRING([--enable-invariants],
3453 [enable invariant checking (cpu intensive)]),
3454 [], [enable_invariants="no"])
3455 AC_MSG_RESULT([$enable_invariants])
3456 AS_IF([test "x$enable_invariants" = xyes],
3457 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
3458 [enable invariant checking])])
3460 AC_MSG_CHECKING([whether to track references with lu_ref])
3461 AC_ARG_ENABLE([lu_ref],
3462 AC_HELP_STRING([--enable-lu_ref],
3463 [enable lu_ref reference tracking code]),
3464 [], [enable_lu_ref="no"])
3465 AC_MSG_RESULT([$enable_lu_ref])
3466 AS_IF([test "x$enable_lu_ref" = xyes],
3467 [AC_DEFINE([USE_LU_REF], 1,
3468 [enable lu_ref reference tracking code])])
3470 AC_MSG_CHECKING([whether to enable page state tracking])
3471 AC_ARG_ENABLE([pgstate-track],
3472 AC_HELP_STRING([--enable-pgstate-track],
3473 [enable page state tracking]),
3474 [], [enable_pgstat_track="no"])
3475 AC_MSG_RESULT([$enable_pgstat_track])
3476 AS_IF([test "x$enable_pgstat_track" = xyes],
3477 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
3478 [enable page state tracking code])])
3481 AC_MSG_CHECKING([systemd unit file directory])
3482 AC_ARG_WITH([systemdsystemunitdir],
3483 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
3484 [Directory for systemd service files])],
3485 [], [with_systemdsystemunitdir=auto])
3486 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
3487 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
3488 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
3489 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
3490 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
3491 with_systemdsystemunitdir=no],
3492 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
3493 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
3494 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
3495 AC_MSG_RESULT([$with_systemdsystemunitdir])
3501 # AM_CONDITIONALS for lustre
3503 AC_DEFUN([LC_CONDITIONALS], [
3504 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
3505 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
3506 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
3507 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
3508 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
3509 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
3510 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
3511 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
3512 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
3513 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
3514 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
3515 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
3516 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
3517 ]) # LC_CONDITIONALS
3522 # files that should be generated with AC_OUTPUT
3524 AC_DEFUN([LC_CONFIG_FILES],
3528 lustre/autoconf/Makefile
3529 lustre/conf/Makefile
3530 lustre/conf/resource/Makefile
3531 lustre/contrib/Makefile
3533 lustre/include/Makefile
3534 lustre/include/lustre/Makefile
3535 lustre/include/uapi/linux/lustre/Makefile
3536 lustre/kernel_patches/targets/3.10-rhel7.6.target
3537 lustre/kernel_patches/targets/3.10-rhel7.5.target
3538 lustre/kernel_patches/targets/4.14-rhel7.5.target
3539 lustre/kernel_patches/targets/4.14-rhel7.6.target
3540 lustre/kernel_patches/targets/2.6-rhel6.9.target
3541 lustre/kernel_patches/targets/2.6-rhel6.8.target
3542 lustre/kernel_patches/targets/2.6-rhel6.7.target
3543 lustre/kernel_patches/targets/2.6-rhel6.6.target
3544 lustre/kernel_patches/targets/2.6-rhel6.target
3545 lustre/kernel_patches/targets/2.6-rhel5.target
3546 lustre/kernel_patches/targets/2.6-sles11.target
3547 lustre/kernel_patches/targets/3.0-sles11.target
3548 lustre/kernel_patches/targets/3.0-sles11sp3.target
3549 lustre/kernel_patches/targets/3.0-sles11sp4.target
3550 lustre/kernel_patches/targets/3.12-sles12.target
3551 lustre/kernel_patches/targets/4.4-sles12.target
3552 lustre/kernel_patches/targets/4.4-sles12sp3.target
3553 lustre/kernel_patches/targets/2.6-fc11.target
3554 lustre/kernel_patches/targets/2.6-fc12.target
3555 lustre/kernel_patches/targets/2.6-fc15.target
3556 lustre/kernel_patches/targets/3.x-fc18.target
3557 lustre/ldlm/Makefile
3559 lustre/fid/autoMakefile
3560 lustre/llite/Makefile
3561 lustre/llite/autoMakefile
3563 lustre/lov/autoMakefile
3565 lustre/mdc/autoMakefile
3567 lustre/lmv/autoMakefile
3568 lustre/lfsck/Makefile
3569 lustre/lfsck/autoMakefile
3571 lustre/mdt/autoMakefile
3573 lustre/mdd/autoMakefile
3575 lustre/fld/autoMakefile
3576 lustre/obdclass/Makefile
3577 lustre/obdclass/autoMakefile
3578 lustre/obdecho/Makefile
3579 lustre/obdecho/autoMakefile
3581 lustre/ofd/autoMakefile
3583 lustre/osc/autoMakefile
3585 lustre/ost/autoMakefile
3586 lustre/osd-ldiskfs/Makefile
3587 lustre/osd-ldiskfs/autoMakefile
3588 lustre/osd-zfs/Makefile
3589 lustre/osd-zfs/autoMakefile
3591 lustre/mgc/autoMakefile
3593 lustre/mgs/autoMakefile
3594 lustre/target/Makefile
3595 lustre/ptlrpc/Makefile
3596 lustre/ptlrpc/autoMakefile
3597 lustre/ptlrpc/gss/Makefile
3598 lustre/ptlrpc/gss/autoMakefile
3599 lustre/quota/Makefile
3600 lustre/quota/autoMakefile
3601 lustre/scripts/Makefile
3602 lustre/scripts/systemd/Makefile
3603 lustre/tests/Makefile
3604 lustre/tests/mpi/Makefile
3605 lustre/tests/kernel/Makefile
3606 lustre/tests/kernel/autoMakefile
3607 lustre/utils/Makefile
3608 lustre/utils/gss/Makefile
3610 lustre/osp/autoMakefile
3612 lustre/lod/autoMakefile
3614 ]) # LC_CONFIG_FILES