1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 #* vim:expandtab:shiftwidth=8:tabstop=8:
6 # Wrapper for AC_CONFIG_SUBDIR
8 AC_DEFUN([LC_CONFIG_SRCDIR],
9 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
17 # lustre specific paths
19 AC_DEFUN([LC_PATH_DEFAULTS],
20 [# ptlrpc kernel build requires this
28 demodir='$(docdir)/demo'
31 pkgexampledir='${pkgdatadir}/examples'
32 AC_SUBST(pkgexampledir)
38 # is the target os supported?
40 AC_DEFUN([LC_TARGET_SUPPORTED],
52 # Ensure stack size big than 8k in Lustre server (all kernels)
54 AC_DEFUN([LC_STACK_SIZE],
55 [AC_MSG_CHECKING([stack size big than 8k])
56 LB_LINUX_TRY_COMPILE([
57 #include <linux/thread_info.h>
59 #if THREAD_SIZE < 8192
60 #error "stack size < 8192"
65 AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
70 # LC_FUNC_DEV_SET_RDONLY
72 # check for the old-style dev_set_rdonly which took an extra "devno" param
73 # and can only set a single device to discard writes at one time
75 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
76 [AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
77 LB_LINUX_TRY_COMPILE([
79 #include <linux/blkdev.h>
81 #ifndef HAVE_CLEAR_RDONLY_ON_PUT
82 #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
86 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
88 AC_MSG_ERROR([no, Linux kernel source needs to be patches by lustre
89 kernel patches from Lustre version 1.4.3 or above.])
96 # setup, check the backing filesystem
98 AC_DEFUN([LC_CONFIG_BACKINGFS],
102 if test x$with_ldiskfs = xno ; then
103 if test x$linux25$enable_server = xyesyes ; then
104 AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
108 LB_DEFINE_LDISKFS_OPTIONS
111 AC_MSG_CHECKING([which backing filesystem to use])
112 AC_MSG_RESULT([$BACKINGFS])
119 # the pinger is temporary, until we have the recovery node in place
121 AC_DEFUN([LC_CONFIG_PINGER],
122 [AC_MSG_CHECKING([whether to enable pinger support])
123 AC_ARG_ENABLE([pinger],
124 AC_HELP_STRING([--disable-pinger],
125 [disable recovery pinger support]),
126 [],[enable_pinger='yes'])
127 AC_MSG_RESULT([$enable_pinger])
128 if test x$enable_pinger != xno ; then
129 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
136 # do checksum of bulk data between client and OST
138 AC_DEFUN([LC_CONFIG_CHECKSUM],
139 [AC_MSG_CHECKING([whether to enable data checksum support])
140 AC_ARG_ENABLE([checksum],
141 AC_HELP_STRING([--disable-checksum],
142 [disable data checksum support]),
143 [],[enable_checksum='yes'])
144 AC_MSG_RESULT([$enable_checksum])
145 if test x$enable_checksum != xno ; then
146 AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
151 # LC_HEADER_LDISKFS_XATTR
153 # CHAOS kernel-devel package will not include fs/ldiskfs/xattr.h
155 AC_DEFUN([LC_HEADER_LDISKFS_XATTR],
156 [AC_MSG_CHECKING([if ldiskfs has xattr.h header])
157 tmp_flags="$EXTRA_KCFLAGS"
158 EXTRA_KCFLAGS="-I$LINUX/fs -I$LDISKFS_DIR -I$LDISKFS_DIR/ldiskfs"
159 LB_LINUX_TRY_COMPILE([
160 #include <ldiskfs/xattr.h>
162 ldiskfs_xattr_get(NULL, 0, "", NULL, 0);
163 ldiskfs_xattr_set_handle(NULL, NULL, 0, "", NULL, 0, 0);
167 AC_DEFINE(HAVE_LDISKFS_XATTR_H, 1, [ldiskfs/xattr.h found])
171 EXTRA_KCFLAGS="$tmp_flags"
175 # LC_CONFIG_HEALTH_CHECK_WRITE
177 # Turn off the actual write to the disk
179 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
180 [AC_MSG_CHECKING([whether to enable a write with the health check])
181 AC_ARG_ENABLE([health_write],
182 AC_HELP_STRING([--enable-health_write],
183 [enable disk writes when doing health check]),
184 [],[enable_health_write='no'])
185 AC_MSG_RESULT([$enable_health_write])
186 if test x$enable_health_write != xno ; then
187 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
192 # LC_CONFIG_LIBLUSTRE_RECOVERY
194 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
195 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
196 AC_ARG_ENABLE([liblustre-recovery],
197 AC_HELP_STRING([--disable-liblustre-recovery],
198 [disable liblustre recovery support]),
199 [],[enable_liblustre_recovery='yes'])
200 AC_MSG_RESULT([$enable_liblustre_recovery])
201 if test x$enable_liblustre_recovery != xno ; then
202 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
207 # LC_CONFIG_OBD_BUFFER_SIZE
209 # the maximum buffer size of lctl ioctls
211 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
212 [AC_MSG_CHECKING([maximum OBD ioctl size])
213 AC_ARG_WITH([obd-buffer-size],
214 AC_HELP_STRING([--with-obd-buffer-size=[size]],
215 [set lctl ioctl maximum bytes (default=8192)]),
217 OBD_BUFFER_SIZE=$with_obd_buffer_size
221 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
222 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
228 # AIX does not have statfs.f_namelen
230 AC_DEFUN([LC_STRUCT_STATFS],
231 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
232 LB_LINUX_TRY_COMPILE([
233 #include <linux/vfs.h>
239 AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
246 # LC_READLINK_SSIZE_T
248 AC_DEFUN([LC_READLINK_SSIZE_T],
249 [AC_MSG_CHECKING([if readlink returns ssize_t])
253 ssize_t readlink(const char *, char *, size_t);
256 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
263 # LC_FUNC_MS_FLOCK_LOCK
265 # 2.6.5 kernel has MS_FLOCK_LOCK sb flag
267 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
268 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
269 LB_LINUX_TRY_COMPILE([
270 #include <linux/fs.h>
272 int flags = MS_FLOCK_LOCK;
274 AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
275 [kernel has MS_FLOCK_LOCK flag])
283 # LC_FUNC_HAVE_CAN_SLEEP_ARG
285 # 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()
287 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
288 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
289 LB_LINUX_TRY_COMPILE([
290 #include <linux/fs.h>
294 struct file_lock *file_lock;
295 flock_lock_file_wait(file, file_lock, cansleep);
297 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
298 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
306 # LC_FUNC_RELEASEPAGE_WITH_GFP
308 # 2.6.9 ->releasepage() takes a gfp_t arg
309 # This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
310 # while others either don't have gfp_t or pass gfp_t as the parameter.
312 AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_GFP],
313 [AC_MSG_CHECKING([if releasepage has a gfp_t parameter])
314 RELEASEPAGE_WITH_GFP="$(grep -c 'releasepage.*gfp_t' $LINUX/include/linux/fs.h)"
315 if test "$RELEASEPAGE_WITH_GFP" != 0 ; then
316 AC_DEFINE(HAVE_RELEASEPAGE_WITH_GFP, 1,
317 [releasepage with gfp_t parameter])
325 # between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
327 AC_DEFUN([LC_FILEMAP_POPULATE],
328 [AC_MSG_CHECKING([for exported filemap_populate])
329 LB_LINUX_TRY_COMPILE([
330 #include <asm/page.h>
331 #include <linux/mm.h>
333 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
336 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
345 AC_DEFUN([LC_D_ADD_UNIQUE],
346 [AC_MSG_CHECKING([for d_add_unique])
347 LB_LINUX_TRY_COMPILE([
348 #include <linux/dcache.h>
350 d_add_unique(NULL, NULL);
353 AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
362 AC_DEFUN([LC_BIT_SPINLOCK_H],
363 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
364 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
365 LB_LINUX_TRY_COMPILE([
366 #include <asm/processor.h>
367 #include <linux/spinlock.h>
368 #include <linux/bit_spinlock.h>
371 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
380 # After 2.6.26 we no longer have xattr_acl.h
382 AC_DEFUN([LC_XATTR_ACL],
383 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
384 AC_MSG_CHECKING([if xattr_acl.h can be compiled])
385 LB_LINUX_TRY_COMPILE([
386 #include <linux/xattr_acl.h>
389 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
400 AC_DEFUN([LC_STRUCT_INTENT_FILE],
401 [AC_MSG_CHECKING([if struct open_intent has a file field])
402 LB_LINUX_TRY_COMPILE([
403 #include <linux/fs.h>
404 #include <linux/namei.h>
406 struct open_intent intent;
410 AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
418 # After 2.6.16 the xattr_acl API is removed, and posix_acl is used instead
420 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
421 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
422 AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
423 LB_LINUX_TRY_COMPILE([
424 #include <linux/posix_acl_xattr.h>
427 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
440 # starting from 2.6.19 linux kernel exports __iget()
442 AC_DEFUN([LC_EXPORT___IGET],
443 [LB_CHECK_SYMBOL_EXPORT([__iget],
445 AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
451 # only for Lustre-patched kernels
453 AC_DEFUN([LC_LUSTRE_VERSION_H],
454 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
455 rm -f "$LUSTRE/include/linux/lustre_version.h"
457 touch "$LUSTRE/include/linux/lustre_version.h"
458 if test x$enable_server = xyes ; then
459 AC_MSG_WARN([Unpatched kernel detected.])
460 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
461 AC_MSG_WARN([disabling server build])
470 AC_DEFUN([LC_CAPA_CRYPTO],
471 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
472 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
474 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
475 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
477 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
478 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
483 # LC_CONFIG_RMTCLIENT
486 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
488 AC_DEFUN([LC_CONFIG_RMTCLIENT],
489 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
490 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
494 AC_DEFUN([LC_SUNRPC_CACHE],
495 [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
496 LB_LINUX_TRY_COMPILE([
497 #include <linux/sunrpc/cache.h>
499 struct cache_head ch;
503 AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
509 AC_DEFUN([LC_CONFIG_SUNRPC],
510 [LB_LINUX_CONFIG_IM([SUNRPC],[],
511 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
516 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
518 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
519 [AC_MSG_CHECKING([whether to enable gss keyring backend])
520 AC_ARG_ENABLE([gss_keyring],
521 [AC_HELP_STRING([--disable-gss-keyring],
522 [disable gss keyring backend])],
523 [],[enable_gss_keyring='yes'])
524 AC_MSG_RESULT([$enable_gss_keyring])
526 if test x$enable_gss_keyring != xno; then
527 LB_LINUX_CONFIG_IM([KEYS],[],
528 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
530 AC_CHECK_LIB([keyutils], [keyctl_search], [],
531 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
533 AC_DEFINE([HAVE_GSS_KEYRING], [1],
534 [Define this if you enable gss keyring backend])
539 # LC_CONFIG_GSS (default disabled)
541 # Build gss and related tools of Lustre. Currently both kernel and user space
542 # parts are depend on linux platform.
544 AC_DEFUN([LC_CONFIG_GSS],
545 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
547 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
548 [],[enable_gss='no'])
549 AC_MSG_RESULT([$enable_gss])
551 if test x$enable_gss == xyes; then
552 LC_CONFIG_GSS_KEYRING
555 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
557 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
558 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
559 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
560 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
561 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
562 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
563 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
564 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
566 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
567 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
568 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
569 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
570 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
572 AC_SUBST(GSSAPI_LIBS)
578 # LC_EXPORT_SYNCHRONIZE_RCU
579 # after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
580 AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
581 [LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
582 [kernel/rcupdate.c],[
583 AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
584 [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
590 # after 2.6.15 inode have i_mutex intead of i_sem
591 AC_DEFUN([LC_INODE_I_MUTEX],
592 [AC_MSG_CHECKING([if inode has i_mutex ])
593 LB_LINUX_TRY_COMPILE([
594 #include <linux/mutex.h>
595 #include <linux/fs.h>
600 mutex_unlock(&i.i_mutex);
603 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
604 [after 2.6.15 inode have i_mutex intead of i_sem])
611 # after 2.6.18 seq_file has lock intead of sem
612 AC_DEFUN([LC_SEQ_LOCK],
613 [AC_MSG_CHECKING([if struct seq_file has lock field])
614 LB_LINUX_TRY_COMPILE([
615 #include <linux/seq_file.h>
619 mutex_unlock(&seq.lock);
622 AC_DEFINE(HAVE_SEQ_LOCK, 1,
623 [after 2.6.18 seq_file has lock intead of sem])
630 # after 2.6.17 dquote use mutex instead if semaphore
631 AC_DEFUN([LC_DQUOTOFF_MUTEX],
632 [AC_MSG_CHECKING([use dqonoff_mutex])
633 LB_LINUX_TRY_COMPILE([
634 #include <linux/mutex.h>
635 #include <linux/fs.h>
636 #include <linux/quota.h>
638 struct quota_info dq;
640 mutex_unlock(&dq.dqonoff_mutex);
643 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
644 [after 2.6.17 dquote use mutex instead if semaphore])
651 # LC_STATFS_DENTRY_PARAM
652 # starting from 2.6.18 linux kernel uses dentry instead of
653 # super_block for first vfs_statfs argument
655 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
656 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
657 LB_LINUX_TRY_COMPILE([
658 #include <linux/fs.h>
660 int vfs_statfs(struct dentry *, struct kstatfs *);
662 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
663 [first parameter of vfs_statfs is dentry])
672 # starting from 2.6.18 kernel don't export do_kern_mount
673 # and want to use vfs_kern_mount instead.
675 AC_DEFUN([LC_VFS_KERN_MOUNT],
676 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
677 LB_LINUX_TRY_COMPILE([
678 #include <linux/mount.h>
680 vfs_kern_mount(NULL, 0, NULL, NULL);
682 AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
683 [vfs_kern_mount exist in kernel])
692 # starting from 2.6.18 kernel don't export do_kern_mount
693 # and want to use vfs_kern_mount instead.
695 AC_DEFUN([LC_D_OBTAIN_ALIAS],
696 [AC_MSG_CHECKING([d_obtain_alias exist in kernel])
697 LB_LINUX_TRY_COMPILE([
698 #include <linux/dcache.h>
700 d_obtain_alias(NULL);
702 AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
703 [d_obtain_alias exist in kernel])
711 # LC_INVALIDATEPAGE_RETURN_INT
712 # 2.6.17 changes return type for invalidatepage to 'void' from 'int'
714 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
715 [AC_MSG_CHECKING([invalidatepage has return int])
716 LB_LINUX_TRY_COMPILE([
717 #include <linux/buffer_head.h>
719 int rc = block_invalidatepage(NULL, 0);
722 AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
723 [Define if return type of invalidatepage should be int])
729 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
730 # after 2.6.18 umount_begin has different parameters
731 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
732 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
733 tmp_flags="$EXTRA_KCFLAGS"
734 EXTRA_KCFLAGS="-Werror"
735 LB_LINUX_TRY_COMPILE([
736 #include <linux/fs.h>
739 static void cfg_umount_begin (struct vfsmount *v, int flags)
744 static struct super_operations cfg_super_operations = {
745 .umount_begin = cfg_umount_begin,
748 cfg_super_operations.umount_begin(NULL,0);
751 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
752 [Define umount_begin need second argument])
756 EXTRA_KCFLAGS="$tmp_flags"
759 # inode have i_private field since 2.6.17
760 AC_DEFUN([LC_INODE_IPRIVATE],
761 [AC_MSG_CHECKING([if inode has a i_private field])
762 LB_LINUX_TRY_COMPILE([
763 #include <linux/fs.h>
769 AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
770 [struct inode has i_private field])
777 # inode don't have i_blksize field
778 AC_DEFUN([LC_INODE_BLKSIZE],
779 [AC_MSG_CHECKING([inode has i_blksize field])
780 LB_LINUX_TRY_COMPILE([
781 #include <linux/fs.h>
787 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
788 [struct inode has i_blksize field])
794 # LC_VFS_READDIR_U64_INO
795 # 2.6.19 use u64 for inode number instead of inode_t
796 AC_DEFUN([LC_VFS_READDIR_U64_INO],
797 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
798 tmp_flags="$EXTRA_KCFLAGS"
799 EXTRA_KCFLAGS="-Werror"
800 LB_LINUX_TRY_COMPILE([
801 #include <linux/fs.h>
802 int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
803 u64 ino, unsigned int d_type)
814 AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
815 [if vfs_readdir need 64bit inode number])
819 EXTRA_KCFLAGS="$tmp_flags"
823 # 2.6.19 replaced writev with aio_write
824 AC_DEFUN([LC_FILE_WRITEV],
825 [AC_MSG_CHECKING([writev in fops])
826 LB_LINUX_TRY_COMPILE([
827 #include <linux/fs.h>
829 struct file_operations *fops = NULL;
833 AC_DEFINE(HAVE_FILE_WRITEV, 1,
840 # LC_GENERIC_FILE_READ
841 # 2.6.19 replaced readv with aio_read
842 AC_DEFUN([LC_FILE_READV],
843 [AC_MSG_CHECKING([readv in fops])
844 LB_LINUX_TRY_COMPILE([
845 #include <linux/fs.h>
847 struct file_operations *fops = NULL;
851 AC_DEFINE(HAVE_FILE_READV, 1,
859 # 2.6.18 don't export nr_pagecahe
860 AC_DEFUN([LC_NR_PAGECACHE],
861 [AC_MSG_CHECKING([kernel export nr_pagecache])
862 LB_LINUX_TRY_COMPILE([
863 #include <linux/pagemap.h>
865 return atomic_read(&nr_pagecache);
868 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
869 [is kernel export nr_pagecache])
875 # LC_CANCEL_DIRTY_PAGE
876 # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
877 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
878 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
879 # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
880 # backport is broken, so ignore it
881 if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
882 test "$(sed -ne '/^static inline void cancel_dirty_page(struct page \*page, unsigned int account_size)$/,/^}$/p' $OFED_BACKPORT_PATH/linux/mm.h | md5sum)" = "c518cb32d6394760c5bca14cb7538d3e -"; then
885 LB_LINUX_TRY_COMPILE([
886 #include <linux/mm.h>
887 #include <linux/page-flags.h>
889 cancel_dirty_page(NULL, 0);
892 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
893 [kernel has cancel_dirty_page instead of clear_page_dirty])
903 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
904 # it support constant page, which means the page won't be modified during the
907 AC_DEFUN([LC_PAGE_CONSTANT],
908 [AC_MSG_CHECKING([if kernel have PageConstant defined])
909 LB_LINUX_TRY_COMPILE([
910 #include <linux/mm.h>
911 #include <linux/page-flags.h>
914 #error "Have no raid5 zcopy patch"
918 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
924 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
925 AC_DEFUN([LC_PG_FS_MISC],
926 [AC_MSG_CHECKING([kernel has PG_fs_misc])
927 LB_LINUX_TRY_COMPILE([
928 #include <linux/mm.h>
929 #include <linux/page-flags.h>
932 #error PG_fs_misc not defined in kernel
936 AC_DEFINE(HAVE_PG_FS_MISC, 1,
937 [is kernel have PG_fs_misc])
943 # RHEL5 PageChecked and SetPageChecked defined
944 AC_DEFUN([LC_PAGE_CHECKED],
945 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
946 LB_LINUX_TRY_COMPILE([
947 #include <linux/autoconf.h>
948 #ifdef HAVE_LINUX_MMTYPES_H
949 #include <linux/mm_types.h>
951 #include <linux/page-flags.h>
955 /* before 2.6.26 this define*/
957 /* 2.6.26 use function instead of define for it */
963 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
964 [does kernel have PageChecked and SetPageChecked])
970 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
971 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
973 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
974 [kernel export truncate_complete_page])
979 AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
980 [LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
982 AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
983 [kernel export truncate_inode_pages_range])
988 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
989 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
991 AC_DEFINE(HAVE_D_REHASH_COND, 1,
992 [d_rehash_cond is exported by the kernel])
997 AC_DEFUN([LC_EXPORT___D_REHASH],
998 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
1000 AC_DEFINE(HAVE___D_REHASH, 1,
1001 [__d_rehash is exported by the kernel])
1006 AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
1007 [LB_CHECK_SYMBOL_EXPORT([d_move_locked],
1009 AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
1010 [d_move_locked is exported by the kernel])
1015 AC_DEFUN([LC_EXPORT___D_MOVE],
1016 [LB_CHECK_SYMBOL_EXPORT([__d_move],
1018 AC_DEFINE(HAVE___D_MOVE, 1,
1019 [__d_move is exported by the kernel])
1025 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
1027 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
1028 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
1030 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
1031 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
1032 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
1033 [exported invalidate_mapping_pages])],
1034 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
1035 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
1036 [exported invalidate_inode_pages])], [
1037 AC_MSG_ERROR([no way to invalidate pages])
1043 # LC_EXPORT_FILEMAP_FDATASYNC_RANGE
1045 # No standard kernels export this
1047 AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
1048 [LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
1050 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
1051 [filemap_fdatawrite_range is exported by the kernel])
1056 # The actual symbol exported varies among architectures, so we need
1057 # to check many symbols (but only in the current architecture.) No
1058 # matter what symbol is exported, the kernel #defines node_to_cpumask
1059 # to the appropriate function and that's what we use.
1060 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1061 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1062 [arch/$LINUX_ARCH/mm/numa.c],
1063 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1064 [node_to_cpumask is exported by
1065 the kernel])]) # x86_64
1066 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1067 [arch/$LINUX_ARCH/kernel/smpboot.c],
1068 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1069 [node_to_cpumask is exported by
1070 the kernel])]) # ia64
1071 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1072 [arch/$LINUX_ARCH/kernel/smpboot.c],
1073 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1074 [node_to_cpumask is exported by
1075 the kernel])]) # i386
1078 # 2.6.22 lost second parameter for invalidate_bdev
1079 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1080 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1081 LB_LINUX_TRY_COMPILE([
1082 #include <linux/buffer_head.h>
1084 invalidate_bdev(NULL,0);
1086 AC_MSG_RESULT([yes])
1087 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1088 [invalidate_bdev has second argument])
1097 # 2.6.23 have return type 'void' for unregister_blkdev
1098 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1099 [AC_MSG_CHECKING([if unregister_blkdev return int])
1100 LB_LINUX_TRY_COMPILE([
1101 #include <linux/fs.h>
1103 int i = unregister_blkdev(0,NULL);
1105 AC_MSG_RESULT([yes])
1106 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1107 [unregister_blkdev return int])
1113 # 2.6.23 change .sendfile to .splice_read
1114 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
1115 AC_DEFUN([LC_KERNEL_SENDFILE],
1116 [AC_MSG_CHECKING([if kernel has .sendfile])
1117 LB_LINUX_TRY_COMPILE([
1118 #include <linux/fs.h>
1120 struct file_operations file;
1122 file.sendfile = NULL;
1124 AC_MSG_RESULT([yes])
1125 AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
1126 [kernel has .sendfile])
1132 # 2.6.23 change .sendfile to .splice_read
1133 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1134 [AC_MSG_CHECKING([if kernel has .splice_read])
1135 LB_LINUX_TRY_COMPILE([
1136 #include <linux/fs.h>
1138 struct file_operations file;
1140 file.splice_read = NULL;
1142 AC_MSG_RESULT([yes])
1143 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1144 [kernel has .slice_read])
1150 # 2.6.23 extract nfs export related data into exportfs.h
1151 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1152 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
1153 AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
1154 [kernel has include/exportfs.h])
1160 # 2.6.23 has new page fault handling API
1161 AC_DEFUN([LC_VM_OP_FAULT],
1162 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
1163 LB_LINUX_TRY_COMPILE([
1164 #include <linux/mm.h>
1166 struct vm_operations_struct op;
1170 AC_MSG_RESULT([yes])
1171 AC_DEFINE(HAVE_VM_OP_FAULT, 1,
1172 [kernel has .fault in vm_operation_struct])
1178 #2.6.23 has new shrinker API
1179 AC_DEFUN([LC_REGISTER_SHRINKER],
1180 [AC_MSG_CHECKING([if kernel has register_shrinker])
1181 LB_LINUX_TRY_COMPILE([
1182 #include <linux/mm.h>
1184 register_shrinker(NULL);
1186 AC_MSG_RESULT([yes])
1187 AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1188 [kernel has register_shrinker])
1194 # 2.6.24 has bio_endio with 2 args
1195 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1196 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1197 LB_LINUX_TRY_COMPILE([
1198 #include <linux/bio.h>
1202 AC_MSG_RESULT([yes])
1203 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1204 [kernel has bio_endio with 2 args])
1210 # 2.6.24 has new members in exports struct.
1211 AC_DEFUN([LC_FH_TO_DENTRY],
1212 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1213 LB_LINUX_TRY_COMPILE([
1214 #ifdef HAVE_LINUX_EXPORTFS_H
1215 #include <linux/exportfs.h>
1217 #include <linux/fs.h>
1220 struct export_operations exp;
1222 exp.fh_to_dentry = NULL;
1224 AC_MSG_RESULT([yes])
1225 AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1226 [kernel has .fh_to_dentry member in export_operations struct])
1232 # 2.6.24 need linux/mm_types.h included
1233 AC_DEFUN([LC_HAVE_MMTYPES_H],
1234 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
1235 AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
1236 [kernel has include/mm_types.h])
1242 # 2.6.24 removes long aged procfs entry -> deleted member
1243 AC_DEFUN([LC_PROCFS_DELETED],
1244 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1245 LB_LINUX_TRY_COMPILE([
1246 #include <linux/proc_fs.h>
1248 struct proc_dir_entry pde;
1252 AC_MSG_RESULT([yes])
1253 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1254 [kernel has deleted member in procfs entry struct])
1260 # 2.6.25 change define to inline
1261 AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
1262 [AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
1263 LB_LINUX_TRY_COMPILE([
1264 #include <linux/backing-dev.h>
1266 #ifndef mapping_cap_writeback_dirty
1267 mapping_cap_writeback_dirty(NULL);
1270 AC_MSG_RESULT([yes])
1271 AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
1272 [kernel have mapping_cap_writeback_dirty])
1280 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1281 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1282 [AC_MSG_CHECKING([fs_struct use path structure])
1283 LB_LINUX_TRY_COMPILE([
1284 #include <asm/atomic.h>
1285 #include <linux/spinlock.h>
1286 #include <linux/fs_struct.h>
1289 struct fs_struct fs;
1293 AC_MSG_RESULT([yes])
1294 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1295 [fs_struct use path structure])
1302 # LC_VFS_INTENT_PATCHES
1304 # check if the kernel has the VFS intent patches
1305 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1306 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1307 LB_LINUX_TRY_COMPILE([
1308 #include <linux/fs.h>
1309 #include <linux/namei.h>
1311 struct nameidata nd;
1312 struct lookup_intent *it;
1315 intent_init(it, IT_OPEN);
1316 it->d.lustre.it_disposition = 0;
1317 it->d.lustre.it_data = NULL;
1319 AC_MSG_RESULT([yes])
1320 AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1326 AC_DEFUN([LC_S_TIME_GRAN],
1327 [AC_MSG_CHECKING([if super block has s_time_gran member])
1328 LB_LINUX_TRY_COMPILE([
1329 #include <linux/fs.h>
1331 struct super_block sb;
1333 return sb.s_time_gran;
1335 AC_MSG_RESULT([yes])
1336 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1342 AC_DEFUN([LC_SB_TIME_GRAN],
1343 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1344 LB_LINUX_TRY_COMPILE([
1345 #include <linux/fs.h>
1347 return get_sb_time_gran(NULL);
1349 AC_MSG_RESULT([yes])
1350 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1357 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1359 # Check for our patched grab_cache_page_nowait_gfp() function
1360 # after 2.6.29 we can emulate this using add_to_page_cache_lru()
1362 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
1363 [LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
1365 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
1366 [kernel exports grab_cache_page_nowait_gfp])
1368 [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1370 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1371 [kernel exports add_to_page_cache_lru])
1377 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1378 AC_DEFUN([LC_RW_TREE_LOCK],
1379 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1380 tmp_flags="$EXTRA_KCFLAGS"
1381 EXTRA_KCFLAGS="-Werror"
1382 LB_LINUX_TRY_COMPILE([
1383 #include <linux/fs.h>
1385 struct address_space a;
1387 write_lock(&a.tree_lock);
1389 AC_MSG_RESULT([yes])
1390 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1394 EXTRA_KCFLAGS="$tmp_flags"
1397 AC_DEFUN([LC_CONST_ACL_SIZE],
1398 [AC_MSG_CHECKING([calc acl size])
1400 CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 $EXTRA_KCFLAGS"
1403 #include <linux/autoconf.h>
1404 #include <linux/types.h>
1407 #define __LINUX_POSIX_ACL_H
1409 # ifdef CONFIG_FS_POSIX_ACL
1410 # ifdef HAVE_XATTR_ACL
1411 # include <linux/xattr_acl.h>
1413 # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1414 # include <linux/posix_acl_xattr.h>
1418 #include <lustre_acl.h>
1424 int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1425 FILE *f = fopen("acl.size","w+");
1426 fprintf(f,"%d", size);
1433 acl_size=`cat acl.size`
1434 AC_MSG_RESULT([ACL size $acl_size])
1435 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1437 AC_ERROR([ACL size can't computed])
1443 # check for crypto API
1445 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1446 [AC_MSG_CHECKING([if kernel has block cipher support])
1447 LB_LINUX_TRY_COMPILE([
1448 #include <linux/err.h>
1449 #include <linux/crypto.h>
1451 struct crypto_blkcipher *tfm;
1452 tfm = crypto_alloc_blkcipher("aes", 0, 0 );
1454 AC_MSG_RESULT([yes])
1455 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1462 # check for struct hash_desc
1464 AC_DEFUN([LC_STRUCT_HASH_DESC],
1465 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1466 LB_LINUX_TRY_COMPILE([
1467 #include <linux/err.h>
1468 #include <linux/crypto.h>
1470 struct hash_desc foo;
1472 AC_MSG_RESULT([yes])
1473 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1480 # check for struct blkcipher_desc
1482 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1483 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1484 LB_LINUX_TRY_COMPILE([
1485 #include <linux/err.h>
1486 #include <linux/crypto.h>
1488 struct blkcipher_desc foo;
1490 AC_MSG_RESULT([yes])
1491 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1498 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
1500 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1501 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1502 LB_LINUX_TRY_COMPILE([
1503 #include <linux/fs.h>
1505 int v = FS_RENAME_DOES_D_MOVE;
1507 AC_MSG_RESULT([yes])
1508 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
1515 # LC_FUNC_F_OP_FLOCK
1517 # rhel4.2 kernel has f_op->flock field
1519 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
1520 [AC_MSG_CHECKING([if struct file_operations has flock field])
1521 LB_LINUX_TRY_COMPILE([
1522 #include <linux/fs.h>
1524 struct file_operations ll_file_operations_flock;
1525 ll_file_operations_flock.flock = NULL;
1527 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
1528 [struct file_operations has flock field])
1529 AC_MSG_RESULT([yes])
1535 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1536 # "mode" argument was added, but then again, in some later version it was
1538 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1539 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1540 LB_LINUX_TRY_COMPILE([
1541 #include <linux/fs.h>
1544 struct dentry *dentry;
1545 const char *oldname = NULL;
1548 vfs_symlink(dir, dentry, oldname, mode);
1551 AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1552 [vfs_symlink wants 4 args])
1558 # 2.6.23 has new shrinker API
1559 AC_DEFUN([LC_REGISTER_SHRINKER],
1560 [LB_CHECK_SYMBOL_EXPORT([register_shrinker],
1562 AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1563 [kernel exports register_shrinker])
1569 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1570 [AC_MSG_CHECKING([inode_operations->permission has two args])
1571 LB_LINUX_TRY_COMPILE([
1572 #include <linux/fs.h>
1574 struct inode *inode;
1576 inode->i_op->permission(NULL,0);
1578 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1579 [inode_operations->permission has two args])
1580 AC_MSG_RESULT([yes])
1586 # 2.6.27 has file_remove_suid instead of remove_suid
1587 AC_DEFUN([LC_FILE_REMOVE_SUID],
1588 [AC_MSG_CHECKING([kernel has file_remove_suid])
1589 LB_LINUX_TRY_COMPILE([
1590 #include <linux/fs.h>
1592 file_remove_suid(NULL);
1594 AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1595 [kernel have file_remove_suid])
1596 AC_MSG_RESULT([yes])
1602 # 2.6.27 have new page locking API
1603 AC_DEFUN([LC_TRYLOCKPAGE],
1604 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1605 LB_LINUX_TRY_COMPILE([
1606 #include <linux/pagemap.h>
1610 AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1611 [kernel uses trylock_page for page lock])
1612 AC_MSG_RESULT([yes])
1618 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1619 # "mode" argument was added, but then again, in some later version it was
1621 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1622 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1623 LB_LINUX_TRY_COMPILE([
1624 #include <linux/fs.h>
1627 struct dentry *dentry;
1628 const char *oldname = NULL;
1631 vfs_symlink(dir, dentry, oldname, mode);
1634 AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1635 [vfs_symlink wants 4 args])
1641 # 2.6.27 sles11 remove the bi_hw_segments
1642 AC_DEFUN([LC_BI_HW_SEGMENTS],
1643 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1644 LB_LINUX_TRY_COMPILE([
1645 #include <linux/bio.h>
1648 io.bi_hw_segments = 0;
1650 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1651 [struct bio has a bi_hw_segments field])
1652 AC_MSG_RESULT([yes])
1658 # 2.6.27 sles11 move the quotaio_v1.h to fs
1659 AC_DEFUN([LC_HAVE_QUOTAIO_V1_H],
1660 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
1661 AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
1662 [kernel has include/linux/quotaio_v1.h])
1668 # sles10 sp2 need 5 parameter for vfs_symlink
1669 AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
1670 [AC_MSG_CHECKING([vfs_symlink need 5 parameter])
1671 LB_LINUX_TRY_COMPILE([
1672 #include <linux/fs.h>
1674 struct inode *dir = NULL;
1675 struct dentry *dentry = NULL;
1676 struct vfsmount *mnt = NULL;
1677 const char * path = NULL;
1678 vfs_symlink(dir, dentry, mnt, path, 0);
1680 AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
1681 [vfs_symlink need 5 parameteres])
1682 AC_MSG_RESULT([yes])
1688 # 2.6.27 removed the read_inode from super_operations.
1689 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1690 [AC_MSG_CHECKING([super_operations has a read_inode field])
1691 LB_LINUX_TRY_COMPILE([
1692 #include <linux/fs.h>
1694 struct super_operations *sop;
1695 sop->read_inode(NULL);
1697 AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1698 [super_operations has a read_inode])
1699 AC_MSG_RESULT([yes])
1705 # 2.6.27 sles11 has sb_any_quota_active
1706 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1707 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1708 LB_LINUX_TRY_COMPILE([
1709 #include <linux/quotaops.h>
1711 sb_any_quota_active(NULL);
1713 AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1714 [Kernel has a sb_any_quota_active])
1715 AC_MSG_RESULT([yes])
1721 # 2.6.27 sles11 has sb_has_quota_active
1722 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1723 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1724 LB_LINUX_TRY_COMPILE([
1725 #include <linux/quotaops.h>
1727 sb_has_quota_active(NULL, 0);
1729 AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1730 [Kernel has a sb_has_quota_active])
1731 AC_MSG_RESULT([yes])
1737 # 2.6.27 has inode_permission instead of permisson
1738 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1739 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1741 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1742 [inode_permission is exported by the kernel])
1747 # 2.6.27 use 5th parameter in quota_on for remount.
1748 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1749 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1750 LB_LINUX_TRY_COMPILE([
1751 #include <linux/quota.h>
1753 struct quotactl_ops *qop;
1754 qop->quota_on(NULL, 0, 0, NULL, 0);
1756 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1757 [quota_on needs 5 paramters])
1758 AC_MSG_RESULT([yes])
1764 # 2.6.27 use 3th parameter in quota_off for remount.
1765 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1766 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1767 LB_LINUX_TRY_COMPILE([
1768 #include <linux/quota.h>
1770 struct quotactl_ops *qop;
1771 qop->quota_off(NULL, 0, 0);
1773 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1774 [quota_off needs 3 paramters])
1775 AC_MSG_RESULT([yes])
1781 # 2.6.27 has vfs_dq_off inline function.
1782 AC_DEFUN([LC_VFS_DQ_OFF],
1783 [AC_MSG_CHECKING([vfs_dq_off is defined])
1784 LB_LINUX_TRY_COMPILE([
1785 #include <linux/quotaops.h>
1787 vfs_dq_off(NULL, 0);
1789 AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1790 AC_MSG_RESULT([yes])
1799 # If we have fiemap.h
1800 # after 2.6.27 use fiemap.h in include/linux
1802 AC_DEFUN([LC_LINUX_FIEMAP_H],
1803 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
1804 AC_MSG_CHECKING([if fiemap.h can be compiled])
1805 LB_LINUX_TRY_COMPILE([
1806 #include <linux/types.h>
1807 #include <linux/fiemap.h>
1809 AC_MSG_RESULT([yes])
1810 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
1821 # Lustre linux kernel checks
1823 AC_DEFUN([LC_PROG_LINUX],
1824 [LC_LUSTRE_VERSION_H
1825 if test x$enable_server = xyes ; then
1826 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1827 LC_FUNC_DEV_SET_RDONLY
1833 LC_CONFIG_LIBLUSTRE_RECOVERY
1834 LC_CONFIG_HEALTH_CHECK_WRITE
1835 LC_CONFIG_LRU_RESIZE
1839 LC_EXPORT_TRUNCATE_COMPLETE
1840 LC_EXPORT_TRUNCATE_RANGE
1841 LC_EXPORT_D_REHASH_COND
1842 LC_EXPORT___D_REHASH
1843 LC_EXPORT_D_MOVE_LOCKED
1845 LC_EXPORT_NODE_TO_CPUMASK
1847 LC_HEADER_LDISKFS_XATTR
1848 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1855 LC_POSIX_ACL_XATTR_H
1858 LC_STRUCT_INTENT_FILE
1863 LC_FUNC_MS_FLOCK_LOCK
1864 LC_FUNC_HAVE_CAN_SLEEP_ARG
1867 LC_COOKIE_FOLLOW_LINK
1871 LC_4ARGS_VFS_SYMLINK
1873 # does the kernel have VFS intent patches?
1874 LC_VFS_INTENT_PATCHES
1882 LC_EXPORT_SYNCHRONIZE_RCU
1888 LC_SECURITY_PLUG # for SLES10 SP2
1896 LC_STATFS_DENTRY_PARAM
1898 LC_INVALIDATEPAGE_RETURN_INT
1899 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1901 LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
1902 if test x$enable_server = xyes ; then
1903 LC_EXPORT_INVALIDATE_MAPPING_PAGES
1906 #2.6.18 + RHEL5 (fc6)
1913 LC_VFS_READDIR_U64_INO
1918 LC_CANCEL_DIRTY_PAGE
1920 # raid5-zerocopy patch
1924 LC_INVALIDATE_BDEV_2ARG
1925 LC_ASYNC_BLOCK_CIPHER
1927 LC_STRUCT_BLKCIPHER_DESC
1928 LC_FS_RENAME_DOES_D_MOVE
1930 LC_UNREGISTER_BLKDEV_RETURN_INT
1931 LC_KERNEL_SPLICE_READ
1935 LC_REGISTER_SHRINKER
1944 LC_MAPPING_CAP_WRITEBACK_DIRTY
1947 LC_FS_STRUCT_USE_PATH
1950 LC_INODE_PERMISION_2ARGS
1953 LC_READ_INODE_IN_SBOPS
1954 LC_EXPORT_INODE_PERMISSION
1959 # 2.6.27.15-2 sles11
1961 LC_HAVE_QUOTAIO_V1_H
1962 LC_VFS_SYMLINK_5ARGS
1963 LC_SB_ANY_QUOTA_ACTIVE
1964 LC_SB_HAS_QUOTA_ACTIVE
1968 # LC_CONFIG_CLIENT_SERVER
1970 # Build client/server sides of Lustre
1972 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1973 [AC_MSG_CHECKING([whether to build Lustre server support])
1974 AC_ARG_ENABLE([server],
1975 AC_HELP_STRING([--disable-server],
1976 [disable Lustre server support]),
1977 [],[enable_server='yes'])
1978 AC_MSG_RESULT([$enable_server])
1980 AC_MSG_CHECKING([whether to build Lustre client support])
1981 AC_ARG_ENABLE([client],
1982 AC_HELP_STRING([--disable-client],
1983 [disable Lustre client support]),
1984 [],[enable_client='yes'])
1985 AC_MSG_RESULT([$enable_client])])
1988 # LC_CONFIG_LIBLUSTRE
1990 # whether to build liblustre
1992 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1993 [AC_MSG_CHECKING([whether to build Lustre library])
1994 AC_ARG_ENABLE([liblustre],
1995 AC_HELP_STRING([--disable-liblustre],
1996 [disable building of Lustre library]),
1997 [],[enable_liblustre=$with_sysio])
1998 AC_MSG_RESULT([$enable_liblustre])
1999 # only build sysio if liblustre is built
2000 with_sysio="$enable_liblustre"
2002 AC_MSG_CHECKING([whether to build liblustre tests])
2003 AC_ARG_ENABLE([liblustre-tests],
2004 AC_HELP_STRING([--enable-liblustre-tests],
2005 [enable liblustre tests, if --disable-tests is used]),
2006 [],[enable_liblustre_tests=$enable_tests])
2007 if test x$enable_liblustre != xyes ; then
2008 enable_liblustre_tests='no'
2010 AC_MSG_RESULT([$enable_liblustre_tests])
2012 AC_MSG_CHECKING([whether to enable liblustre acl])
2013 AC_ARG_ENABLE([liblustre-acl],
2014 AC_HELP_STRING([--disable-liblustre-acl],
2015 [disable ACL support for liblustre]),
2016 [],[enable_liblustre_acl=yes])
2017 AC_MSG_RESULT([$enable_liblustre_acl])
2018 if test x$enable_liblustre_acl = xyes ; then
2019 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
2022 # 2.6.29 change prepare/commit_write to write_begin/end
2023 AC_DEFUN([LC_WRITE_BEGIN_END],
2024 [AC_MSG_CHECKING([if kernel has .write_begin/end])
2025 LB_LINUX_TRY_COMPILE([
2026 #include <linux/fs.h>
2027 #include <linux/pagemap.h>
2028 #ifdef HAVE_LINUX_MMTYPES_H
2029 #include <linux/mm_types.h>
2032 struct address_space_operations aops;
2035 aops.write_begin = NULL;
2036 aops.write_end = NULL;
2037 page = grab_cache_page_write_begin(NULL, 0, 0);
2039 AC_MSG_RESULT([yes])
2040 AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
2041 [kernel has .write_begin/end])
2047 # 2.6.29 blkdev_put has 2 arguments
2048 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
2049 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
2050 LB_LINUX_TRY_COMPILE([
2051 #include <linux/fs.h>
2053 blkdev_put(NULL, 0);
2055 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
2056 [blkdev_put needs 2 paramters])
2057 AC_MSG_RESULT([yes])
2063 # 2.6.29 dentry_open has 4 arguments
2064 AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
2065 [AC_MSG_CHECKING([dentry_open needs 4 parameters])
2066 LB_LINUX_TRY_COMPILE([
2067 #include <linux/fs.h>
2069 dentry_open(NULL, NULL, 0, NULL);
2071 AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
2072 [dentry_open needs 4 paramters])
2073 AC_MSG_RESULT([yes])
2082 AC_ARG_ENABLE(mpitests,
2083 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2084 [include mpi tests]),
2095 MPICC_WRAPPER=$enableval
2105 if test x$enable_mpitests != xno; then
2106 AC_MSG_CHECKING([whether mpitests can be built])
2114 MPI_Initialized(&flag);
2117 AC_MSG_RESULT([yes])
2124 AC_SUBST(MPICC_WRAPPER)
2126 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2127 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2130 LC_CONFIG_LIBLUSTRE_RECOVERY
2133 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
2134 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
2135 AC_ARG_ENABLE([lru_resize],
2136 AC_HELP_STRING([--enable-lru-resize],
2137 [enable lru resize support]),
2138 [],[enable_lru_resize='yes'])
2139 AC_MSG_RESULT([$enable_lru_resize])
2140 if test x$enable_lru_resize != xno; then
2141 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
2148 # whether to enable quota support global control
2150 AC_DEFUN([LC_CONFIG_QUOTA],
2151 [AC_ARG_ENABLE([quota],
2152 AC_HELP_STRING([--enable-quota],
2153 [enable quota support]),
2154 [],[enable_quota='yes'])
2157 # whether to enable quota support(kernel modules)
2158 AC_DEFUN([LC_QUOTA_MODULE],
2159 [if test x$enable_quota != xno; then
2160 LB_LINUX_CONFIG([QUOTA],[
2161 enable_quota_module='yes'
2162 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
2164 enable_quota_module='no'
2165 AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
2170 AC_DEFUN([LC_QUOTA],
2174 AC_CHECK_HEADER(sys/quota.h,
2175 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2176 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2179 AC_DEFUN([LC_QUOTA_READ],
2180 [AC_MSG_CHECKING([if kernel supports quota_read])
2181 LB_LINUX_TRY_COMPILE([
2182 #include <linux/fs.h>
2184 struct super_operations sp;
2185 void *i = (void *)sp.quota_read;
2187 AC_MSG_RESULT([yes])
2188 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
2197 # whether to enable split support
2199 AC_DEFUN([LC_CONFIG_SPLIT],
2200 [AC_MSG_CHECKING([whether to enable split support])
2201 AC_ARG_ENABLE([split],
2202 AC_HELP_STRING([--enable-split],
2203 [enable split support]),
2204 [],[enable_split='no'])
2205 AC_MSG_RESULT([$enable_split])
2206 if test x$enable_split != xno; then
2207 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2212 # LC_COOKIE_FOLLOW_LINK
2214 # kernel 2.6.13+ ->follow_link returns a cookie
2217 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
2218 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
2219 LB_LINUX_TRY_COMPILE([
2220 #include <linux/fs.h>
2221 #include <linux/namei.h>
2223 struct dentry dentry;
2224 struct nameidata nd;
2226 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
2228 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
2229 AC_MSG_RESULT([yes])
2238 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
2239 # call_rcu takes three parameters.
2241 AC_DEFUN([LC_FUNC_RCU],
2242 [AC_MSG_CHECKING([if kernel have RCU supported])
2243 LB_LINUX_TRY_COMPILE([
2244 #include <linux/rcupdate.h>
2246 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
2247 AC_MSG_RESULT([yes])
2249 AC_MSG_CHECKING([if call_rcu takes three parameters])
2250 LB_LINUX_TRY_COMPILE([
2251 #include <linux/rcupdate.h>
2254 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
2256 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
2257 AC_MSG_RESULT([yes])
2269 # linux kernel have 64-bit limits support
2271 AC_DEFUN([LC_QUOTA64],
2272 [if test x$enable_quota_module = xyes -a x$enable_server = xyes ; then
2273 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
2274 LB_LINUX_TRY_COMPILE([
2275 #include <linux/kernel.h>
2276 #include <linux/fs.h>
2277 #include <linux/quotaio_v2.h>
2278 int versions[] = V2_INITQVERSIONS_R1;
2279 struct v2_disk_dqblk_r1 dqblk_r1;
2281 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2282 AC_MSG_RESULT([yes])
2284 tmp_flags="$EXTRA_KCFLAGS"
2285 EXTRA_KCFLAGS="-I $LINUX/fs"
2286 LB_LINUX_TRY_COMPILE([
2287 #include <linux/kernel.h>
2288 #include <linux/fs.h>
2289 #include <quotaio_v2.h>
2290 struct v2r1_disk_dqblk dqblk_r1;
2292 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2293 AC_MSG_RESULT([yes])
2295 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
2296 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
2300 EXTRA_KCFLAGS=$tmp_flags
2305 # LC_SECURITY_PLUG # for SLES10 SP2
2306 # check security plug in sles10 sp2 kernel
2307 AC_DEFUN([LC_SECURITY_PLUG],
2308 [AC_MSG_CHECKING([If kernel has security plug support])
2309 LB_LINUX_TRY_COMPILE([
2310 #include <linux/fs.h>
2312 struct dentry *dentry;
2313 struct vfsmount *mnt;
2314 struct iattr *iattr;
2316 notify_change(dentry, mnt, iattr);
2319 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
2320 [SLES10 SP2 use extra parameter in vfs])
2326 AC_DEFUN([LC_PERCPU_COUNTER],
2327 [AC_MSG_CHECKING([if have struct percpu_counter defined])
2328 LB_LINUX_TRY_COMPILE([
2329 #include <linux/percpu_counter.h>
2331 AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
2332 AC_MSG_RESULT([yes])
2334 AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
2335 LB_LINUX_TRY_COMPILE([
2336 #include <linux/percpu_counter.h>
2338 struct percpu_counter c;
2339 percpu_counter_init(&c, 0);
2341 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
2343 AC_MSG_RESULT([yes])
2355 # other configure checks
2357 AC_DEFUN([LC_CONFIGURE],
2358 [LC_CONFIG_OBD_BUFFER_SIZE
2360 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2361 CFLAGS="$CFLAGS -Werror"
2364 # include/liblustre.h
2365 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2367 # liblustre/llite_lib.h
2368 AC_CHECK_HEADERS([xtio.h file.h])
2371 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2374 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2375 AC_CHECK_FUNCS([inet_ntoa])
2377 # libsysio/src/readlink.c
2380 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2381 AC_CHECK_HEADERS([linux/random.h], [], [],
2382 [#ifdef HAVE_LINUX_TYPES_H
2383 # include <linux/types.h>
2388 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2390 # check for -lz support
2394 [AC_CHECK_HEADERS([zlib.h],
2396 AC_DEFINE([HAVE_ADLER], 1,
2397 [support alder32 checksum type])],
2398 [AC_MSG_WARN([No zlib-devel package found,
2399 unable to use adler32 checksum])])],
2400 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2405 AC_ARG_ENABLE([mindf],
2406 AC_HELP_STRING([--enable-mindf],
2407 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2409 if test "$enable_mindf" = "yes" ; then
2410 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2413 AC_ARG_ENABLE([fail_alloc],
2414 AC_HELP_STRING([--disable-fail-alloc],
2415 [disable randomly alloc failure]),
2416 [],[enable_fail_alloc=yes])
2417 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2418 AC_MSG_RESULT([$enable_fail_alloc])
2419 if test x$enable_fail_alloc != xno ; then
2420 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2423 AC_ARG_ENABLE([invariants],
2424 AC_HELP_STRING([--enable-invariants],
2425 [enable invariant checking (cpu intensive)]),
2427 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2428 AC_MSG_RESULT([$enable_invariants])
2429 if test x$enable_invariants = xyes ; then
2430 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2433 AC_ARG_ENABLE([lu_ref],
2434 AC_HELP_STRING([--enable-lu_ref],
2435 [enable lu_ref reference tracking code]),
2437 AC_MSG_CHECKING([whether to track references with lu_ref])
2438 AC_MSG_RESULT([$enable_lu_ref])
2439 if test x$enable_lu_ref = xyes ; then
2440 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2447 LC_DENTRY_OPEN_4ARGS
2454 # AM_CONDITIONALS for lustre
2456 AC_DEFUN([LC_CONDITIONALS],
2457 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2458 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2459 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2460 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2461 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2462 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2463 AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
2464 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2465 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2466 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2467 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2468 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2469 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2470 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2476 # files that should be generated with AC_OUTPUT
2478 AC_DEFUN([LC_CONFIG_FILES],
2482 lustre/autoconf/Makefile
2483 lustre/contrib/Makefile
2485 lustre/include/Makefile
2486 lustre/include/lustre_ver.h
2487 lustre/include/linux/Makefile
2488 lustre/include/lustre/Makefile
2489 lustre/kernel_patches/targets/2.6-vanilla.target
2490 lustre/kernel_patches/targets/2.6-rhel4.target
2491 lustre/kernel_patches/targets/2.6-rhel5.target
2492 lustre/kernel_patches/targets/2.6-fc5.target
2493 lustre/kernel_patches/targets/2.6-patchless.target
2494 lustre/kernel_patches/targets/2.6-sles10.target
2495 lustre/kernel_patches/targets/2.6-sles11.target
2496 lustre/kernel_patches/targets/2.6-oel5.target
2497 lustre/ldlm/Makefile
2499 lustre/fid/autoMakefile
2500 lustre/liblustre/Makefile
2501 lustre/liblustre/tests/Makefile
2502 lustre/liblustre/tests/mpi/Makefile
2503 lustre/llite/Makefile
2504 lustre/llite/autoMakefile
2505 lustre/lclient/Makefile
2507 lustre/lov/autoMakefile
2508 lustre/lvfs/Makefile
2509 lustre/lvfs/autoMakefile
2511 lustre/mdc/autoMakefile
2513 lustre/lmv/autoMakefile
2515 lustre/mds/autoMakefile
2517 lustre/mdt/autoMakefile
2519 lustre/cmm/autoMakefile
2521 lustre/mdd/autoMakefile
2523 lustre/fld/autoMakefile
2524 lustre/obdclass/Makefile
2525 lustre/obdclass/autoMakefile
2526 lustre/obdclass/linux/Makefile
2527 lustre/obdecho/Makefile
2528 lustre/obdecho/autoMakefile
2529 lustre/obdfilter/Makefile
2530 lustre/obdfilter/autoMakefile
2532 lustre/osc/autoMakefile
2534 lustre/ost/autoMakefile
2536 lustre/osd/autoMakefile
2538 lustre/mgc/autoMakefile
2540 lustre/mgs/autoMakefile
2541 lustre/ptlrpc/Makefile
2542 lustre/ptlrpc/autoMakefile
2543 lustre/ptlrpc/gss/Makefile
2544 lustre/ptlrpc/gss/autoMakefile
2545 lustre/quota/Makefile
2546 lustre/quota/autoMakefile
2547 lustre/scripts/Makefile
2548 lustre/tests/Makefile
2549 lustre/tests/mpi/Makefile
2550 lustre/utils/Makefile
2551 lustre/utils/gss/Makefile
2552 lustre/obdclass/darwin/Makefile