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([$LINUX/include/linux/posix_acl_xattr.h],[
422 AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
423 LB_LINUX_TRY_COMPILE([
424 #include <linux/fs.h>
425 #include <linux/posix_acl_xattr.h>
428 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
440 # only for Lustre-patched kernels
442 AC_DEFUN([LC_LUSTRE_VERSION_H],
443 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
444 rm -f "$LUSTRE/include/linux/lustre_version.h"
446 touch "$LUSTRE/include/linux/lustre_version.h"
447 if test x$enable_server = xyes ; then
448 AC_MSG_WARN([Unpatched kernel detected.])
449 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
450 AC_MSG_WARN([disabling server build])
459 AC_DEFUN([LC_CAPA_CRYPTO],
460 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
461 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
463 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
464 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
466 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
467 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
472 # LC_CONFIG_RMTCLIENT
475 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
477 AC_DEFUN([LC_CONFIG_RMTCLIENT],
478 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
479 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
483 AC_DEFUN([LC_SUNRPC_CACHE],
484 [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
485 LB_LINUX_TRY_COMPILE([
486 #include <linux/sunrpc/cache.h>
488 struct cache_head ch;
492 AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
498 AC_DEFUN([LC_CONFIG_SUNRPC],
499 [LB_LINUX_CONFIG_IM([SUNRPC],[],
500 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
505 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
507 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
508 [AC_MSG_CHECKING([whether to enable gss keyring backend])
509 AC_ARG_ENABLE([gss_keyring],
510 [AC_HELP_STRING([--disable-gss-keyring],
511 [disable gss keyring backend])],
512 [],[enable_gss_keyring='yes'])
513 AC_MSG_RESULT([$enable_gss_keyring])
515 if test x$enable_gss_keyring != xno; then
516 LB_LINUX_CONFIG_IM([KEYS],[],
517 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
519 AC_CHECK_LIB([keyutils], [keyctl_search], [],
520 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
522 AC_DEFINE([HAVE_GSS_KEYRING], [1],
523 [Define this if you enable gss keyring backend])
528 # LC_CONFIG_GSS (default disabled)
530 # Build gss and related tools of Lustre. Currently both kernel and user space
531 # parts are depend on linux platform.
533 AC_DEFUN([LC_CONFIG_GSS],
534 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
536 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
537 [],[enable_gss='no'])
538 AC_MSG_RESULT([$enable_gss])
540 if test x$enable_gss == xyes; then
541 LC_CONFIG_GSS_KEYRING
544 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
546 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
547 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
548 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
549 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
550 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
551 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
552 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
553 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
555 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
556 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
557 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
558 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
559 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
561 AC_SUBST(GSSAPI_LIBS)
567 # LC_EXPORT_SYNCHRONIZE_RCU
568 # after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
569 AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
570 [LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
571 [kernel/rcupdate.c],[
572 AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
573 [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
579 # after 2.6.15 inode have i_mutex intead of i_sem
580 AC_DEFUN([LC_INODE_I_MUTEX],
581 [AC_MSG_CHECKING([if inode has i_mutex ])
582 LB_LINUX_TRY_COMPILE([
583 #include <linux/mutex.h>
584 #include <linux/fs.h>
589 mutex_unlock(&i.i_mutex);
592 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
593 [after 2.6.15 inode have i_mutex intead of i_sem])
600 # after 2.6.18 seq_file has lock intead of sem
601 AC_DEFUN([LC_SEQ_LOCK],
602 [AC_MSG_CHECKING([if struct seq_file has lock field])
603 LB_LINUX_TRY_COMPILE([
604 #include <linux/seq_file.h>
608 mutex_unlock(&seq.lock);
611 AC_DEFINE(HAVE_SEQ_LOCK, 1,
612 [after 2.6.18 seq_file has lock intead of sem])
619 # after 2.6.17 dquote use mutex instead if semaphore
620 AC_DEFUN([LC_DQUOTOFF_MUTEX],
621 [AC_MSG_CHECKING([use dqonoff_mutex])
622 LB_LINUX_TRY_COMPILE([
623 #include <linux/mutex.h>
624 #include <linux/fs.h>
625 #include <linux/quota.h>
627 struct quota_info dq;
629 mutex_unlock(&dq.dqonoff_mutex);
632 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
633 [after 2.6.17 dquote use mutex instead if semaphore])
640 # LC_STATFS_DENTRY_PARAM
641 # starting from 2.6.18 linux kernel uses dentry instead of
642 # super_block for first vfs_statfs argument
644 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
645 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
646 LB_LINUX_TRY_COMPILE([
647 #include <linux/fs.h>
649 int vfs_statfs(struct dentry *, struct kstatfs *);
651 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
652 [first parameter of vfs_statfs is dentry])
661 # starting from 2.6.18 kernel don't export do_kern_mount
662 # and want to use vfs_kern_mount instead.
664 AC_DEFUN([LC_VFS_KERN_MOUNT],
665 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
666 LB_LINUX_TRY_COMPILE([
667 #include <linux/mount.h>
669 vfs_kern_mount(NULL, 0, NULL, NULL);
671 AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
672 [vfs_kern_mount exist in kernel])
681 # starting from 2.6.18 kernel don't export do_kern_mount
682 # and want to use vfs_kern_mount instead.
684 AC_DEFUN([LC_D_OBTAIN_ALIAS],
685 [AC_MSG_CHECKING([d_obtain_alias exist in kernel])
686 LB_LINUX_TRY_COMPILE([
687 #include <linux/dcache.h>
689 d_obtain_alias(NULL);
691 AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
692 [d_obtain_alias exist in kernel])
700 # LC_INVALIDATEPAGE_RETURN_INT
701 # 2.6.17 changes return type for invalidatepage to 'void' from 'int'
703 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
704 [AC_MSG_CHECKING([invalidatepage has return int])
705 LB_LINUX_TRY_COMPILE([
706 #include <linux/buffer_head.h>
708 int rc = block_invalidatepage(NULL, 0);
711 AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
712 [Define if return type of invalidatepage should be int])
718 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
719 # after 2.6.18 umount_begin has different parameters
720 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
721 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
722 tmp_flags="$EXTRA_KCFLAGS"
723 EXTRA_KCFLAGS="-Werror"
724 LB_LINUX_TRY_COMPILE([
725 #include <linux/fs.h>
728 static void cfg_umount_begin (struct vfsmount *v, int flags)
733 static struct super_operations cfg_super_operations = {
734 .umount_begin = cfg_umount_begin,
737 cfg_super_operations.umount_begin(NULL,0);
740 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
741 [Define umount_begin need second argument])
745 EXTRA_KCFLAGS="$tmp_flags"
748 # inode have i_private field since 2.6.17
749 AC_DEFUN([LC_INODE_IPRIVATE],
750 [AC_MSG_CHECKING([if inode has a i_private field])
751 LB_LINUX_TRY_COMPILE([
752 #include <linux/fs.h>
758 AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
759 [struct inode has i_private field])
766 # inode don't have i_blksize field
767 AC_DEFUN([LC_INODE_BLKSIZE],
768 [AC_MSG_CHECKING([inode has i_blksize field])
769 LB_LINUX_TRY_COMPILE([
770 #include <linux/fs.h>
776 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
777 [struct inode has i_blksize field])
783 # LC_VFS_READDIR_U64_INO
784 # 2.6.19 use u64 for inode number instead of inode_t
785 AC_DEFUN([LC_VFS_READDIR_U64_INO],
786 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
787 tmp_flags="$EXTRA_KCFLAGS"
788 EXTRA_KCFLAGS="-Werror"
789 LB_LINUX_TRY_COMPILE([
790 #include <linux/fs.h>
791 int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
792 u64 ino, unsigned int d_type)
803 AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
804 [if vfs_readdir need 64bit inode number])
808 EXTRA_KCFLAGS="$tmp_flags"
812 # 2.6.19 replaced writev with aio_write
813 AC_DEFUN([LC_FILE_WRITEV],
814 [AC_MSG_CHECKING([writev in fops])
815 LB_LINUX_TRY_COMPILE([
816 #include <linux/fs.h>
818 struct file_operations *fops = NULL;
822 AC_DEFINE(HAVE_FILE_WRITEV, 1,
829 # LC_GENERIC_FILE_READ
830 # 2.6.19 replaced readv with aio_read
831 AC_DEFUN([LC_FILE_READV],
832 [AC_MSG_CHECKING([readv in fops])
833 LB_LINUX_TRY_COMPILE([
834 #include <linux/fs.h>
836 struct file_operations *fops = NULL;
840 AC_DEFINE(HAVE_FILE_READV, 1,
848 # 2.6.18 don't export nr_pagecahe
849 AC_DEFUN([LC_NR_PAGECACHE],
850 [AC_MSG_CHECKING([kernel export nr_pagecache])
851 LB_LINUX_TRY_COMPILE([
852 #include <linux/pagemap.h>
854 return atomic_read(&nr_pagecache);
857 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
858 [is kernel export nr_pagecache])
864 # LC_CANCEL_DIRTY_PAGE
865 # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
866 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
867 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
868 # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
869 # backport is broken, so ignore it
870 if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
871 test "$(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
874 LB_LINUX_TRY_COMPILE([
875 #include <linux/mm.h>
876 #include <linux/page-flags.h>
878 cancel_dirty_page(NULL, 0);
881 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
882 [kernel has cancel_dirty_page instead of clear_page_dirty])
892 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
893 # it support constant page, which means the page won't be modified during the
896 AC_DEFUN([LC_PAGE_CONSTANT],
897 [AC_MSG_CHECKING([if kernel have PageConstant defined])
898 LB_LINUX_TRY_COMPILE([
899 #include <linux/mm.h>
900 #include <linux/page-flags.h>
903 #error "Have no raid5 zcopy patch"
907 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
913 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
914 AC_DEFUN([LC_PG_FS_MISC],
915 [AC_MSG_CHECKING([kernel has PG_fs_misc])
916 LB_LINUX_TRY_COMPILE([
917 #include <linux/mm.h>
918 #include <linux/page-flags.h>
921 #error PG_fs_misc not defined in kernel
925 AC_DEFINE(HAVE_PG_FS_MISC, 1,
926 [is kernel have PG_fs_misc])
932 # RHEL5 PageChecked and SetPageChecked defined
933 AC_DEFUN([LC_PAGE_CHECKED],
934 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
935 LB_LINUX_TRY_COMPILE([
936 #include <linux/autoconf.h>
937 #ifdef HAVE_LINUX_MMTYPES_H
938 #include <linux/mm_types.h>
940 #include <linux/page-flags.h>
944 /* before 2.6.26 this define*/
946 /* 2.6.26 use function instead of define for it */
952 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
953 [does kernel have PageChecked and SetPageChecked])
959 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
960 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
962 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
963 [kernel export truncate_complete_page])
968 AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
969 [LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
971 AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
972 [kernel export truncate_inode_pages_range])
977 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
978 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
980 AC_DEFINE(HAVE_D_REHASH_COND, 1,
981 [d_rehash_cond is exported by the kernel])
986 AC_DEFUN([LC_EXPORT___D_REHASH],
987 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
989 AC_DEFINE(HAVE___D_REHASH, 1,
990 [__d_rehash is exported by the kernel])
995 AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
996 [LB_CHECK_SYMBOL_EXPORT([d_move_locked],
998 AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
999 [d_move_locked is exported by the kernel])
1004 AC_DEFUN([LC_EXPORT___D_MOVE],
1005 [LB_CHECK_SYMBOL_EXPORT([__d_move],
1007 AC_DEFINE(HAVE___D_MOVE, 1,
1008 [__d_move is exported by the kernel])
1014 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
1016 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
1017 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
1019 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
1020 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
1021 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
1022 [exported invalidate_mapping_pages])],
1023 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
1024 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
1025 [exported invalidate_inode_pages])], [
1026 AC_MSG_ERROR([no way to invalidate pages])
1032 # LC_EXPORT_FILEMAP_FDATASYNC_RANGE
1034 # No standard kernels export this
1036 AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
1037 [LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
1039 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
1040 [filemap_fdatawrite_range is exported by the kernel])
1045 # The actual symbol exported varies among architectures, so we need
1046 # to check many symbols (but only in the current architecture.) No
1047 # matter what symbol is exported, the kernel #defines node_to_cpumask
1048 # to the appropriate function and that's what we use.
1049 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1050 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1051 [arch/$LINUX_ARCH/mm/numa.c],
1052 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1053 [node_to_cpumask is exported by
1054 the kernel])]) # x86_64
1055 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1056 [arch/$LINUX_ARCH/kernel/smpboot.c],
1057 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1058 [node_to_cpumask is exported by
1059 the kernel])]) # ia64
1060 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1061 [arch/$LINUX_ARCH/kernel/smpboot.c],
1062 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1063 [node_to_cpumask is exported by
1064 the kernel])]) # i386
1067 # 2.6.22 lost second parameter for invalidate_bdev
1068 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1069 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1070 LB_LINUX_TRY_COMPILE([
1071 #include <linux/buffer_head.h>
1073 invalidate_bdev(NULL,0);
1075 AC_MSG_RESULT([yes])
1076 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1077 [invalidate_bdev has second argument])
1086 # 2.6.23 have return type 'void' for unregister_blkdev
1087 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1088 [AC_MSG_CHECKING([if unregister_blkdev return int])
1089 LB_LINUX_TRY_COMPILE([
1090 #include <linux/fs.h>
1092 int i = unregister_blkdev(0,NULL);
1094 AC_MSG_RESULT([yes])
1095 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1096 [unregister_blkdev return int])
1102 # 2.6.23 change .sendfile to .splice_read
1103 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
1104 AC_DEFUN([LC_KERNEL_SENDFILE],
1105 [AC_MSG_CHECKING([if kernel has .sendfile])
1106 LB_LINUX_TRY_COMPILE([
1107 #include <linux/fs.h>
1109 struct file_operations file;
1111 file.sendfile = NULL;
1113 AC_MSG_RESULT([yes])
1114 AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
1115 [kernel has .sendfile])
1121 # 2.6.23 change .sendfile to .splice_read
1122 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1123 [AC_MSG_CHECKING([if kernel has .splice_read])
1124 LB_LINUX_TRY_COMPILE([
1125 #include <linux/fs.h>
1127 struct file_operations file;
1129 file.splice_read = NULL;
1131 AC_MSG_RESULT([yes])
1132 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1133 [kernel has .slice_read])
1139 # 2.6.23 extract nfs export related data into exportfs.h
1140 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1141 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
1142 AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
1143 [kernel has include/exportfs.h])
1149 # 2.6.23 has new page fault handling API
1150 AC_DEFUN([LC_VM_OP_FAULT],
1151 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
1152 LB_LINUX_TRY_COMPILE([
1153 #include <linux/mm.h>
1155 struct vm_operations_struct op;
1159 AC_MSG_RESULT([yes])
1160 AC_DEFINE(HAVE_VM_OP_FAULT, 1,
1161 [kernel has .fault in vm_operation_struct])
1167 #2.6.23 has new shrinker API
1168 AC_DEFUN([LC_REGISTER_SHRINKER],
1169 [AC_MSG_CHECKING([if kernel has register_shrinker])
1170 LB_LINUX_TRY_COMPILE([
1171 #include <linux/mm.h>
1173 register_shrinker(NULL);
1175 AC_MSG_RESULT([yes])
1176 AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1177 [kernel has register_shrinker])
1183 # 2.6.24 has bio_endio with 2 args
1184 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1185 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1186 LB_LINUX_TRY_COMPILE([
1187 #include <linux/bio.h>
1191 AC_MSG_RESULT([yes])
1192 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1193 [kernel has bio_endio with 2 args])
1199 # 2.6.24 has new members in exports struct.
1200 AC_DEFUN([LC_FH_TO_DENTRY],
1201 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1202 LB_LINUX_TRY_COMPILE([
1203 #ifdef HAVE_LINUX_EXPORTFS_H
1204 #include <linux/exportfs.h>
1206 #include <linux/fs.h>
1209 struct export_operations exp;
1211 exp.fh_to_dentry = NULL;
1213 AC_MSG_RESULT([yes])
1214 AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1215 [kernel has .fh_to_dentry member in export_operations struct])
1221 # 2.6.24 need linux/mm_types.h included
1222 AC_DEFUN([LC_HAVE_MMTYPES_H],
1223 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
1224 AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
1225 [kernel has include/mm_types.h])
1231 # 2.6.24 removes long aged procfs entry -> deleted member
1232 AC_DEFUN([LC_PROCFS_DELETED],
1233 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1234 LB_LINUX_TRY_COMPILE([
1235 #include <linux/proc_fs.h>
1237 struct proc_dir_entry pde;
1241 AC_MSG_RESULT([yes])
1242 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1243 [kernel has deleted member in procfs entry struct])
1249 # 2.6.25 change define to inline
1250 AC_DEFUN([LC_MAPPING_CAP_WRITEBACK_DIRTY],
1251 [AC_MSG_CHECKING([if kernel have mapping_cap_writeback_dirty])
1252 LB_LINUX_TRY_COMPILE([
1253 #include <linux/backing-dev.h>
1255 #ifndef mapping_cap_writeback_dirty
1256 mapping_cap_writeback_dirty(NULL);
1259 AC_MSG_RESULT([yes])
1260 AC_DEFINE(HAVE_MAPPING_CAP_WRITEBACK_DIRTY, 1,
1261 [kernel have mapping_cap_writeback_dirty])
1269 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1270 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1271 [AC_MSG_CHECKING([fs_struct use path structure])
1272 LB_LINUX_TRY_COMPILE([
1273 #include <asm/atomic.h>
1274 #include <linux/spinlock.h>
1275 #include <linux/fs_struct.h>
1278 struct fs_struct fs;
1282 AC_MSG_RESULT([yes])
1283 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1284 [fs_struct use path structure])
1291 # LC_VFS_INTENT_PATCHES
1293 # check if the kernel has the VFS intent patches
1294 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1295 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1296 LB_LINUX_TRY_COMPILE([
1297 #include <linux/fs.h>
1298 #include <linux/namei.h>
1300 struct nameidata nd;
1301 struct lookup_intent *it;
1304 intent_init(it, IT_OPEN);
1305 it->d.lustre.it_disposition = 0;
1306 it->d.lustre.it_data = NULL;
1308 AC_MSG_RESULT([yes])
1309 AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1315 AC_DEFUN([LC_S_TIME_GRAN],
1316 [AC_MSG_CHECKING([if super block has s_time_gran member])
1317 LB_LINUX_TRY_COMPILE([
1318 #include <linux/fs.h>
1320 struct super_block sb;
1322 return sb.s_time_gran;
1324 AC_MSG_RESULT([yes])
1325 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1331 AC_DEFUN([LC_SB_TIME_GRAN],
1332 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1333 LB_LINUX_TRY_COMPILE([
1334 #include <linux/fs.h>
1336 return get_sb_time_gran(NULL);
1338 AC_MSG_RESULT([yes])
1339 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1346 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1348 # Check for our patched grab_cache_page_nowait_gfp() function
1349 # after 2.6.29 we can emulate this using add_to_page_cache_lru()
1351 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
1352 [LB_CHECK_SYMBOL_EXPORT([grab_cache_page_nowait_gfp],
1354 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
1355 [kernel exports grab_cache_page_nowait_gfp])
1357 [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1359 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1360 [kernel exports add_to_page_cache_lru])
1366 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1367 AC_DEFUN([LC_RW_TREE_LOCK],
1368 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1369 tmp_flags="$EXTRA_KCFLAGS"
1370 EXTRA_KCFLAGS="-Werror"
1371 LB_LINUX_TRY_COMPILE([
1372 #include <linux/fs.h>
1374 struct address_space a;
1376 write_lock(&a.tree_lock);
1378 AC_MSG_RESULT([yes])
1379 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1383 EXTRA_KCFLAGS="$tmp_flags"
1386 AC_DEFUN([LC_CONST_ACL_SIZE],
1387 [AC_MSG_CHECKING([calc acl size])
1389 CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include $EXTRA_KCFLAGS"
1392 #include <linux/autoconf.h>
1393 #include <linux/types.h>
1396 #define __LINUX_POSIX_ACL_H
1398 # ifdef CONFIG_FS_POSIX_ACL
1399 # ifdef HAVE_XATTR_ACL
1400 # include <linux/xattr_acl.h>
1402 # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1403 # include <linux/posix_acl_xattr.h>
1407 #include <lustre_acl.h>
1413 int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1414 FILE *f = fopen("acl.size","w+");
1415 fprintf(f,"%d", size);
1422 acl_size=`cat acl.size`
1423 AC_MSG_RESULT([ACL size $acl_size])
1424 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1426 AC_ERROR([ACL size can't computed])
1432 # check for crypto API
1434 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1435 [AC_MSG_CHECKING([if kernel has block cipher support])
1436 LB_LINUX_TRY_COMPILE([
1437 #include <linux/err.h>
1438 #include <linux/crypto.h>
1440 struct crypto_blkcipher *tfm;
1441 tfm = crypto_alloc_blkcipher("aes", 0, 0 );
1443 AC_MSG_RESULT([yes])
1444 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1451 # check for struct hash_desc
1453 AC_DEFUN([LC_STRUCT_HASH_DESC],
1454 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1455 LB_LINUX_TRY_COMPILE([
1456 #include <linux/err.h>
1457 #include <linux/crypto.h>
1459 struct hash_desc foo;
1461 AC_MSG_RESULT([yes])
1462 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1469 # check for struct blkcipher_desc
1471 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1472 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1473 LB_LINUX_TRY_COMPILE([
1474 #include <linux/err.h>
1475 #include <linux/crypto.h>
1477 struct blkcipher_desc foo;
1479 AC_MSG_RESULT([yes])
1480 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1487 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
1489 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1490 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1491 LB_LINUX_TRY_COMPILE([
1492 #include <linux/fs.h>
1494 int v = FS_RENAME_DOES_D_MOVE;
1496 AC_MSG_RESULT([yes])
1497 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
1504 # LC_FUNC_F_OP_FLOCK
1506 # rhel4.2 kernel has f_op->flock field
1508 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
1509 [AC_MSG_CHECKING([if struct file_operations has flock field])
1510 LB_LINUX_TRY_COMPILE([
1511 #include <linux/fs.h>
1513 struct file_operations ll_file_operations_flock;
1514 ll_file_operations_flock.flock = NULL;
1516 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
1517 [struct file_operations has flock field])
1518 AC_MSG_RESULT([yes])
1524 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1525 # "mode" argument was added, but then again, in some later version it was
1527 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1528 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1529 LB_LINUX_TRY_COMPILE([
1530 #include <linux/fs.h>
1533 struct dentry *dentry;
1534 const char *oldname = NULL;
1537 vfs_symlink(dir, dentry, oldname, mode);
1540 AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1541 [vfs_symlink wants 4 args])
1547 # 2.6.23 has new shrinker API
1548 AC_DEFUN([LC_REGISTER_SHRINKER],
1549 [LB_CHECK_SYMBOL_EXPORT([register_shrinker],
1551 AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
1552 [kernel exports register_shrinker])
1558 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1559 [AC_MSG_CHECKING([inode_operations->permission has two args])
1560 LB_LINUX_TRY_COMPILE([
1561 #include <linux/fs.h>
1563 struct inode *inode;
1565 inode->i_op->permission(NULL,0);
1567 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1568 [inode_operations->permission has two args])
1569 AC_MSG_RESULT([yes])
1575 # 2.6.27 has file_remove_suid instead of remove_suid
1576 AC_DEFUN([LC_FILE_REMOVE_SUID],
1577 [AC_MSG_CHECKING([kernel has file_remove_suid])
1578 LB_LINUX_TRY_COMPILE([
1579 #include <linux/fs.h>
1581 file_remove_suid(NULL);
1583 AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1584 [kernel have file_remove_suid])
1585 AC_MSG_RESULT([yes])
1591 # 2.6.27 have new page locking API
1592 AC_DEFUN([LC_TRYLOCKPAGE],
1593 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1594 LB_LINUX_TRY_COMPILE([
1595 #include <linux/pagemap.h>
1599 AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1600 [kernel uses trylock_page for page lock])
1601 AC_MSG_RESULT([yes])
1607 # vfs_symlink seems to have started out with 3 args until 2.6.7 where a
1608 # "mode" argument was added, but then again, in some later version it was
1610 AC_DEFUN([LC_4ARGS_VFS_SYMLINK],
1611 [AC_MSG_CHECKING([if vfs_symlink wants 4 args])
1612 LB_LINUX_TRY_COMPILE([
1613 #include <linux/fs.h>
1616 struct dentry *dentry;
1617 const char *oldname = NULL;
1620 vfs_symlink(dir, dentry, oldname, mode);
1623 AC_DEFINE(HAVE_4ARGS_VFS_SYMLINK, 1,
1624 [vfs_symlink wants 4 args])
1630 # 2.6.27 sles11 remove the bi_hw_segments
1631 AC_DEFUN([LC_BI_HW_SEGMENTS],
1632 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1633 LB_LINUX_TRY_COMPILE([
1634 #include <linux/bio.h>
1637 io.bi_hw_segments = 0;
1639 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1640 [struct bio has a bi_hw_segments field])
1641 AC_MSG_RESULT([yes])
1647 # 2.6.27 sles11 move the quotaio_v1.h to fs
1648 AC_DEFUN([LC_HAVE_QUOTAIO_V1_H],
1649 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v1.h],[
1650 AC_DEFINE(HAVE_QUOTAIO_V1_H, 1,
1651 [kernel has include/linux/quotaio_v1.h])
1657 # sles10 sp2 need 5 parameter for vfs_symlink
1658 AC_DEFUN([LC_VFS_SYMLINK_5ARGS],
1659 [AC_MSG_CHECKING([vfs_symlink need 5 parameter])
1660 LB_LINUX_TRY_COMPILE([
1661 #include <linux/fs.h>
1663 struct inode *dir = NULL;
1664 struct dentry *dentry = NULL;
1665 struct vfsmount *mnt = NULL;
1666 const char * path = NULL;
1667 vfs_symlink(dir, dentry, mnt, path, 0);
1669 AC_DEFINE(HAVE_VFS_SYMLINK_5ARGS, 1,
1670 [vfs_symlink need 5 parameteres])
1671 AC_MSG_RESULT([yes])
1677 # 2.6.27 removed the read_inode from super_operations.
1678 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1679 [AC_MSG_CHECKING([super_operations has a read_inode field])
1680 LB_LINUX_TRY_COMPILE([
1681 #include <linux/fs.h>
1683 struct super_operations *sop;
1684 sop->read_inode(NULL);
1686 AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1687 [super_operations has a read_inode])
1688 AC_MSG_RESULT([yes])
1694 # 2.6.27 sles11 has sb_any_quota_active
1695 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1696 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1697 LB_LINUX_TRY_COMPILE([
1698 #include <linux/quotaops.h>
1700 sb_any_quota_active(NULL);
1702 AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1703 [Kernel has a sb_any_quota_active])
1704 AC_MSG_RESULT([yes])
1710 # 2.6.27 sles11 has sb_has_quota_active
1711 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1712 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1713 LB_LINUX_TRY_COMPILE([
1714 #include <linux/quotaops.h>
1716 sb_has_quota_active(NULL, 0);
1718 AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1719 [Kernel has a sb_has_quota_active])
1720 AC_MSG_RESULT([yes])
1726 # 2.6.27 has inode_permission instead of permisson
1727 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1728 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1730 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1731 [inode_permission is exported by the kernel])
1736 # 2.6.27 use 5th parameter in quota_on for remount.
1737 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1738 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1739 LB_LINUX_TRY_COMPILE([
1740 #include <linux/quota.h>
1742 struct quotactl_ops *qop;
1743 qop->quota_on(NULL, 0, 0, NULL, 0);
1745 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1746 [quota_on needs 5 paramters])
1747 AC_MSG_RESULT([yes])
1753 # 2.6.27 use 3th parameter in quota_off for remount.
1754 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1755 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1756 LB_LINUX_TRY_COMPILE([
1757 #include <linux/quota.h>
1759 struct quotactl_ops *qop;
1760 qop->quota_off(NULL, 0, 0);
1762 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1763 [quota_off needs 3 paramters])
1764 AC_MSG_RESULT([yes])
1770 # 2.6.27 has vfs_dq_off inline function.
1771 AC_DEFUN([LC_VFS_DQ_OFF],
1772 [AC_MSG_CHECKING([vfs_dq_off is defined])
1773 LB_LINUX_TRY_COMPILE([
1774 #include <linux/quotaops.h>
1776 vfs_dq_off(NULL, 0);
1778 AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1779 AC_MSG_RESULT([yes])
1788 # If we have fiemap.h
1789 # after 2.6.27 use fiemap.h in include/linux
1791 AC_DEFUN([LC_LINUX_FIEMAP_H],
1792 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
1793 AC_MSG_CHECKING([if fiemap.h can be compiled])
1794 LB_LINUX_TRY_COMPILE([
1795 #include <linux/types.h>
1796 #include <linux/fiemap.h>
1798 AC_MSG_RESULT([yes])
1799 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
1807 # LC_LOCK_MAP_ACQUIRE
1808 # after 2.6.27 lock_map_acquire replaces lock_acquire
1809 AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
1810 [AC_MSG_CHECKING([if lock_map_acquire is defined])
1811 LB_LINUX_TRY_COMPILE([
1812 #include <linux/lockdep.h>
1814 lock_map_acquire(NULL);
1817 AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
1818 [lock_map_acquire is defined])
1824 # 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
1825 AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
1826 [AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
1827 LB_LINUX_TRY_COMPILE([
1828 #include <linux/blkdev.h>
1830 blk_queue_logical_block_size(NULL, 0);
1833 AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
1834 [blk_queue_logical_block_size is defined])
1843 # Lustre linux kernel checks
1845 AC_DEFUN([LC_PROG_LINUX],
1846 [LC_LUSTRE_VERSION_H
1847 if test x$enable_server = xyes ; then
1848 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1849 LC_FUNC_DEV_SET_RDONLY
1855 LC_CONFIG_LIBLUSTRE_RECOVERY
1856 LC_CONFIG_HEALTH_CHECK_WRITE
1857 LC_CONFIG_LRU_RESIZE
1861 LC_EXPORT_TRUNCATE_COMPLETE
1862 LC_EXPORT_TRUNCATE_RANGE
1863 LC_EXPORT_D_REHASH_COND
1864 LC_EXPORT___D_REHASH
1865 LC_EXPORT_D_MOVE_LOCKED
1867 LC_EXPORT_NODE_TO_CPUMASK
1869 LC_HEADER_LDISKFS_XATTR
1870 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1877 LC_POSIX_ACL_XATTR_H
1880 LC_STRUCT_INTENT_FILE
1885 LC_FUNC_MS_FLOCK_LOCK
1886 LC_FUNC_HAVE_CAN_SLEEP_ARG
1889 LC_COOKIE_FOLLOW_LINK
1893 LC_4ARGS_VFS_SYMLINK
1895 # does the kernel have VFS intent patches?
1896 LC_VFS_INTENT_PATCHES
1904 LC_EXPORT_SYNCHRONIZE_RCU
1910 LC_SECURITY_PLUG # for SLES10 SP2
1918 LC_STATFS_DENTRY_PARAM
1920 LC_INVALIDATEPAGE_RETURN_INT
1921 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1923 LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
1924 if test x$enable_server = xyes ; then
1925 LC_EXPORT_INVALIDATE_MAPPING_PAGES
1928 #2.6.18 + RHEL5 (fc6)
1935 LC_VFS_READDIR_U64_INO
1940 LC_CANCEL_DIRTY_PAGE
1942 # raid5-zerocopy patch
1946 LC_INVALIDATE_BDEV_2ARG
1947 LC_ASYNC_BLOCK_CIPHER
1949 LC_STRUCT_BLKCIPHER_DESC
1950 LC_FS_RENAME_DOES_D_MOVE
1952 LC_UNREGISTER_BLKDEV_RETURN_INT
1953 LC_KERNEL_SPLICE_READ
1957 LC_REGISTER_SHRINKER
1966 LC_MAPPING_CAP_WRITEBACK_DIRTY
1969 LC_FS_STRUCT_USE_PATH
1972 LC_INODE_PERMISION_2ARGS
1975 LC_READ_INODE_IN_SBOPS
1976 LC_EXPORT_INODE_PERMISSION
1982 # 2.6.27.15-2 sles11
1984 LC_HAVE_QUOTAIO_V1_H
1985 LC_VFS_SYMLINK_5ARGS
1986 LC_SB_ANY_QUOTA_ACTIVE
1987 LC_SB_HAS_QUOTA_ACTIVE
1990 LC_BLK_QUEUE_LOG_BLK_SIZE
1994 # LC_CONFIG_CLIENT_SERVER
1996 # Build client/server sides of Lustre
1998 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1999 [AC_MSG_CHECKING([whether to build Lustre server support])
2000 AC_ARG_ENABLE([server],
2001 AC_HELP_STRING([--disable-server],
2002 [disable Lustre server support]),
2003 [],[enable_server='yes'])
2004 AC_MSG_RESULT([$enable_server])
2006 AC_MSG_CHECKING([whether to build Lustre client support])
2007 AC_ARG_ENABLE([client],
2008 AC_HELP_STRING([--disable-client],
2009 [disable Lustre client support]),
2010 [],[enable_client='yes'])
2011 AC_MSG_RESULT([$enable_client])])
2014 # LC_CONFIG_LIBLUSTRE
2016 # whether to build liblustre
2018 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
2019 [AC_MSG_CHECKING([whether to build Lustre library])
2020 AC_ARG_ENABLE([liblustre],
2021 AC_HELP_STRING([--disable-liblustre],
2022 [disable building of Lustre library]),
2023 [],[enable_liblustre=$with_sysio])
2024 AC_MSG_RESULT([$enable_liblustre])
2025 # only build sysio if liblustre is built
2026 with_sysio="$enable_liblustre"
2028 AC_MSG_CHECKING([whether to build liblustre tests])
2029 AC_ARG_ENABLE([liblustre-tests],
2030 AC_HELP_STRING([--enable-liblustre-tests],
2031 [enable liblustre tests, if --disable-tests is used]),
2032 [],[enable_liblustre_tests=$enable_tests])
2033 if test x$enable_liblustre != xyes ; then
2034 enable_liblustre_tests='no'
2036 AC_MSG_RESULT([$enable_liblustre_tests])
2038 AC_MSG_CHECKING([whether to enable liblustre acl])
2039 AC_ARG_ENABLE([liblustre-acl],
2040 AC_HELP_STRING([--disable-liblustre-acl],
2041 [disable ACL support for liblustre]),
2042 [],[enable_liblustre_acl=yes])
2043 AC_MSG_RESULT([$enable_liblustre_acl])
2044 if test x$enable_liblustre_acl = xyes ; then
2045 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
2048 # 2.6.29 change prepare/commit_write to write_begin/end
2049 AC_DEFUN([LC_WRITE_BEGIN_END],
2050 [AC_MSG_CHECKING([if kernel has .write_begin/end])
2051 LB_LINUX_TRY_COMPILE([
2052 #include <linux/fs.h>
2053 #include <linux/pagemap.h>
2054 #ifdef HAVE_LINUX_MMTYPES_H
2055 #include <linux/mm_types.h>
2058 struct address_space_operations aops;
2061 aops.write_begin = NULL;
2062 aops.write_end = NULL;
2063 page = grab_cache_page_write_begin(NULL, 0, 0);
2065 AC_MSG_RESULT([yes])
2066 AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
2067 [kernel has .write_begin/end])
2073 # 2.6.29 blkdev_put has 2 arguments
2074 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
2075 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
2076 LB_LINUX_TRY_COMPILE([
2077 #include <linux/fs.h>
2079 blkdev_put(NULL, 0);
2081 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
2082 [blkdev_put needs 2 paramters])
2083 AC_MSG_RESULT([yes])
2089 # 2.6.29 dentry_open has 4 arguments
2090 AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
2091 [AC_MSG_CHECKING([dentry_open needs 4 parameters])
2092 LB_LINUX_TRY_COMPILE([
2093 #include <linux/fs.h>
2095 dentry_open(NULL, NULL, 0, NULL);
2097 AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
2098 [dentry_open needs 4 paramters])
2099 AC_MSG_RESULT([yes])
2108 AC_ARG_ENABLE(mpitests,
2109 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2110 [include mpi tests]),
2121 MPICC_WRAPPER=$enableval
2131 if test x$enable_mpitests != xno; then
2132 AC_MSG_CHECKING([whether mpitests can be built])
2140 MPI_Initialized(&flag);
2143 AC_MSG_RESULT([yes])
2150 AC_SUBST(MPICC_WRAPPER)
2152 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2153 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2156 LC_CONFIG_LIBLUSTRE_RECOVERY
2159 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
2160 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
2161 AC_ARG_ENABLE([lru_resize],
2162 AC_HELP_STRING([--enable-lru-resize],
2163 [enable lru resize support]),
2164 [],[enable_lru_resize='yes'])
2165 AC_MSG_RESULT([$enable_lru_resize])
2166 if test x$enable_lru_resize != xno; then
2167 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
2174 # whether to enable quota support global control
2176 AC_DEFUN([LC_CONFIG_QUOTA],
2177 [AC_ARG_ENABLE([quota],
2178 AC_HELP_STRING([--enable-quota],
2179 [enable quota support]),
2180 [],[enable_quota='yes'])
2183 # whether to enable quota support(kernel modules)
2184 AC_DEFUN([LC_QUOTA_MODULE],
2185 [if test x$enable_quota != xno; then
2186 LB_LINUX_CONFIG([QUOTA],[
2187 enable_quota_module='yes'
2188 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
2190 enable_quota_module='no'
2191 AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
2196 AC_DEFUN([LC_QUOTA],
2200 AC_CHECK_HEADER(sys/quota.h,
2201 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2202 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2205 AC_DEFUN([LC_QUOTA_READ],
2206 [AC_MSG_CHECKING([if kernel supports quota_read])
2207 LB_LINUX_TRY_COMPILE([
2208 #include <linux/fs.h>
2210 struct super_operations sp;
2211 void *i = (void *)sp.quota_read;
2213 AC_MSG_RESULT([yes])
2214 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
2223 # whether to enable split support
2225 AC_DEFUN([LC_CONFIG_SPLIT],
2226 [AC_MSG_CHECKING([whether to enable split support])
2227 AC_ARG_ENABLE([split],
2228 AC_HELP_STRING([--enable-split],
2229 [enable split support]),
2230 [],[enable_split='no'])
2231 AC_MSG_RESULT([$enable_split])
2232 if test x$enable_split != xno; then
2233 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2238 # LC_COOKIE_FOLLOW_LINK
2240 # kernel 2.6.13+ ->follow_link returns a cookie
2243 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
2244 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
2245 LB_LINUX_TRY_COMPILE([
2246 #include <linux/fs.h>
2247 #include <linux/namei.h>
2249 struct dentry dentry;
2250 struct nameidata nd;
2252 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
2254 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
2255 AC_MSG_RESULT([yes])
2264 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
2265 # call_rcu takes three parameters.
2267 AC_DEFUN([LC_FUNC_RCU],
2268 [AC_MSG_CHECKING([if kernel have RCU supported])
2269 LB_LINUX_TRY_COMPILE([
2270 #include <linux/rcupdate.h>
2272 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
2273 AC_MSG_RESULT([yes])
2275 AC_MSG_CHECKING([if call_rcu takes three parameters])
2276 LB_LINUX_TRY_COMPILE([
2277 #include <linux/rcupdate.h>
2280 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
2282 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
2283 AC_MSG_RESULT([yes])
2295 # linux kernel have 64-bit limits support
2297 AC_DEFUN([LC_QUOTA64],
2298 [if test x$enable_quota_module = xyes -a x$enable_server = xyes ; then
2299 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
2300 LB_LINUX_TRY_COMPILE([
2301 #include <linux/kernel.h>
2302 #include <linux/fs.h>
2303 #include <linux/quotaio_v2.h>
2304 int versions[] = V2_INITQVERSIONS_R1;
2305 struct v2_disk_dqblk_r1 dqblk_r1;
2307 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2308 AC_MSG_RESULT([yes])
2310 tmp_flags="$EXTRA_KCFLAGS"
2311 EXTRA_KCFLAGS="-I $LINUX/fs"
2312 LB_LINUX_TRY_COMPILE([
2313 #include <linux/kernel.h>
2314 #include <linux/fs.h>
2315 #include <quotaio_v2.h>
2316 struct v2r1_disk_dqblk dqblk_r1;
2318 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
2319 AC_MSG_RESULT([yes])
2321 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
2322 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
2326 EXTRA_KCFLAGS=$tmp_flags
2331 # LC_SECURITY_PLUG # for SLES10 SP2
2332 # check security plug in sles10 sp2 kernel
2333 AC_DEFUN([LC_SECURITY_PLUG],
2334 [AC_MSG_CHECKING([If kernel has security plug support])
2335 LB_LINUX_TRY_COMPILE([
2336 #include <linux/fs.h>
2338 struct dentry *dentry;
2339 struct vfsmount *mnt;
2340 struct iattr *iattr;
2342 notify_change(dentry, mnt, iattr);
2345 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
2346 [SLES10 SP2 use extra parameter in vfs])
2352 AC_DEFUN([LC_PERCPU_COUNTER],
2353 [AC_MSG_CHECKING([if have struct percpu_counter defined])
2354 LB_LINUX_TRY_COMPILE([
2355 #include <linux/percpu_counter.h>
2357 AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
2358 AC_MSG_RESULT([yes])
2360 AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
2361 LB_LINUX_TRY_COMPILE([
2362 #include <linux/percpu_counter.h>
2364 struct percpu_counter c;
2365 percpu_counter_init(&c, 0);
2367 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
2369 AC_MSG_RESULT([yes])
2381 # other configure checks
2383 AC_DEFUN([LC_CONFIGURE],
2384 [LC_CONFIG_OBD_BUFFER_SIZE
2386 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2387 CFLAGS="$CFLAGS -Werror"
2390 # include/liblustre.h
2391 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2393 # liblustre/llite_lib.h
2394 AC_CHECK_HEADERS([xtio.h file.h])
2397 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2400 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2401 AC_CHECK_FUNCS([inet_ntoa])
2403 # libsysio/src/readlink.c
2406 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2407 AC_CHECK_HEADERS([linux/random.h], [], [],
2408 [#ifdef HAVE_LINUX_TYPES_H
2409 # include <linux/types.h>
2414 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2416 # check for -lz support
2420 [AC_CHECK_HEADERS([zlib.h],
2422 AC_DEFINE([HAVE_ADLER], 1,
2423 [support alder32 checksum type])],
2424 [AC_MSG_WARN([No zlib-devel package found,
2425 unable to use adler32 checksum])])],
2426 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2431 AC_ARG_ENABLE([mindf],
2432 AC_HELP_STRING([--enable-mindf],
2433 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2435 if test "$enable_mindf" = "yes" ; then
2436 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2439 AC_ARG_ENABLE([fail_alloc],
2440 AC_HELP_STRING([--disable-fail-alloc],
2441 [disable randomly alloc failure]),
2442 [],[enable_fail_alloc=yes])
2443 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2444 AC_MSG_RESULT([$enable_fail_alloc])
2445 if test x$enable_fail_alloc != xno ; then
2446 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2449 AC_ARG_ENABLE([invariants],
2450 AC_HELP_STRING([--enable-invariants],
2451 [enable invariant checking (cpu intensive)]),
2453 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2454 AC_MSG_RESULT([$enable_invariants])
2455 if test x$enable_invariants = xyes ; then
2456 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2459 AC_ARG_ENABLE([lu_ref],
2460 AC_HELP_STRING([--enable-lu_ref],
2461 [enable lu_ref reference tracking code]),
2463 AC_MSG_CHECKING([whether to track references with lu_ref])
2464 AC_MSG_RESULT([$enable_lu_ref])
2465 if test x$enable_lu_ref = xyes ; then
2466 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2473 LC_DENTRY_OPEN_4ARGS
2480 # AM_CONDITIONALS for lustre
2482 AC_DEFUN([LC_CONDITIONALS],
2483 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2484 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2485 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2486 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2487 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2488 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2489 AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
2490 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2491 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2492 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2493 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2494 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2495 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2496 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2502 # files that should be generated with AC_OUTPUT
2504 AC_DEFUN([LC_CONFIG_FILES],
2508 lustre/autoconf/Makefile
2509 lustre/contrib/Makefile
2511 lustre/include/Makefile
2512 lustre/include/lustre_ver.h
2513 lustre/include/linux/Makefile
2514 lustre/include/lustre/Makefile
2515 lustre/kernel_patches/targets/2.6-rhel5.target
2516 lustre/kernel_patches/targets/2.6-sles10.target
2517 lustre/kernel_patches/targets/2.6-sles11.target
2518 lustre/kernel_patches/targets/2.6-oel5.target
2519 lustre/kernel_patches/targets/2.6-fc11.target
2520 lustre/kernel_patches/targets/2.6-fc12.target
2521 lustre/ldlm/Makefile
2523 lustre/fid/autoMakefile
2524 lustre/liblustre/Makefile
2525 lustre/liblustre/tests/Makefile
2526 lustre/liblustre/tests/mpi/Makefile
2527 lustre/llite/Makefile
2528 lustre/llite/autoMakefile
2529 lustre/lclient/Makefile
2531 lustre/lov/autoMakefile
2532 lustre/lvfs/Makefile
2533 lustre/lvfs/autoMakefile
2535 lustre/mdc/autoMakefile
2537 lustre/lmv/autoMakefile
2539 lustre/mds/autoMakefile
2541 lustre/mdt/autoMakefile
2543 lustre/cmm/autoMakefile
2545 lustre/mdd/autoMakefile
2547 lustre/fld/autoMakefile
2548 lustre/obdclass/Makefile
2549 lustre/obdclass/autoMakefile
2550 lustre/obdclass/linux/Makefile
2551 lustre/obdecho/Makefile
2552 lustre/obdecho/autoMakefile
2553 lustre/obdfilter/Makefile
2554 lustre/obdfilter/autoMakefile
2556 lustre/osc/autoMakefile
2558 lustre/ost/autoMakefile
2559 lustre/osd-ldiskfs/Makefile
2560 lustre/osd-ldiskfs/autoMakefile
2562 lustre/mgc/autoMakefile
2564 lustre/mgs/autoMakefile
2565 lustre/ptlrpc/Makefile
2566 lustre/ptlrpc/autoMakefile
2567 lustre/ptlrpc/gss/Makefile
2568 lustre/ptlrpc/gss/autoMakefile
2569 lustre/quota/Makefile
2570 lustre/quota/autoMakefile
2571 lustre/scripts/Makefile
2572 lustre/tests/Makefile
2573 lustre/tests/mpi/Makefile
2574 lustre/utils/Makefile
2575 lustre/utils/gss/Makefile
2576 lustre/utils/pthread/Makefile
2577 lustre/obdclass/darwin/Makefile