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])
16 # lustre specific paths
18 AC_DEFUN([LC_PATH_DEFAULTS],
19 [# ptlrpc kernel build requires this
27 demodir='$(docdir)/demo'
30 pkgexampledir='${pkgdatadir}/examples'
31 AC_SUBST(pkgexampledir)
37 # is the target os supported?
39 AC_DEFUN([LC_TARGET_SUPPORTED],
53 # that ext3 is enabled in the kernel
55 AC_DEFUN([LC_CONFIG_EXT3],
56 [LB_LINUX_CONFIG([EXT3_FS],[],[
57 LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
59 LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
65 # If we have (and can build) fshooks.h
67 AC_DEFUN([LC_FSHOOKS],
68 [LB_CHECK_FILE([$LINUX/include/linux/fshooks.h],[
69 AC_MSG_CHECKING([if fshooks.h can be compiled])
70 LB_LINUX_TRY_COMPILE([
71 #include <linux/fshooks.h>
76 AC_MSG_WARN([You might have better luck with gcc 3.3.x.])
77 AC_MSG_WARN([You can set CC=gcc33 before running configure.])
78 AC_MSG_ERROR([Your compiler cannot build fshooks.h.])
87 # LC_FUNC_RELEASEPAGE_WITH_INT
89 # if ->releasepage() takes an int arg in 2.6.9
90 # This kernel defines gfp_t (HAS_GFP_T) but doesn't use it for this function,
91 # while others either don't have gfp_t or pass gfp_t as the parameter.
93 AC_DEFUN([LC_FUNC_RELEASEPAGE_WITH_INT],
94 [AC_MSG_CHECKING([if releasepage has a int parameter])
95 RELEASEPAGE_WITH_INT="`grep -c 'releasepage.*int' $LINUX/include/linux/fs.h`"
96 if test "$RELEASEPAGE_WITH_INT" != 0 ; then
97 AC_DEFINE(HAVE_RELEASEPAGE_WITH_INT, 1,
98 [releasepage with int parameter])
106 # LC_FUNC_FILEMAP_FDATASYNC
108 # if filemap_fdatasync() exists
110 AC_DEFUN([LC_FUNC_FILEMAP_FDATAWRITE],
111 [AC_MSG_CHECKING([whether filemap_fdatawrite() is defined])
112 LB_LINUX_TRY_COMPILE([
113 #include <linux/fs.h>
115 int (*foo)(struct address_space *)= filemap_fdatawrite;
118 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
125 # LC_HEADER_MM_INLINE
127 # RHEL kernels define page_count in mm_inline.h
129 AC_DEFUN([LC_HEADER_MM_INLINE],
130 [AC_MSG_CHECKING([if kernel has mm_inline.h header])
131 LB_LINUX_TRY_COMPILE([
132 #include <linux/mm_inline.h>
135 #error mm_inline.h does not define page_count
139 AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
148 # if inode->i_alloc_sem exists
150 AC_DEFUN([LC_STRUCT_INODE],
151 [AC_MSG_CHECKING([if struct inode has i_alloc_sem])
152 LB_LINUX_TRY_COMPILE([
153 #include <linux/fs.h>
154 #include <linux/version.h>
156 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
157 #error "down_read_trylock broken before 2.4.24"
160 return (char *)&i.i_alloc_sem - (char *)&i;
163 AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
170 # LC_FUNC_REGISTER_CACHE
172 # if register_cache() is defined by kernel
174 # There are two ways to shrink one customized cache in linux kernels. For the
175 # kernels are prior than 2.6.5(?), register_cache() is used, and for latest
176 # kernels, set_shrinker() is used instead.
178 AC_DEFUN([LC_FUNC_REGISTER_CACHE],
179 [AC_MSG_CHECKING([if kernel defines cache pressure hook])
180 LB_LINUX_TRY_COMPILE([
181 #include <linux/mm.h>
185 set_shrinker(1, shrinker);
187 AC_MSG_RESULT([set_shrinker])
188 AC_DEFINE(HAVE_SHRINKER_CACHE, 1, [shrinker_cache found])
189 AC_DEFINE(HAVE_CACHE_RETURN_INT, 1, [shrinkers should return int])
191 LB_LINUX_TRY_COMPILE([
192 #include <linux/list.h>
193 #include <linux/cache_def.h>
195 struct cache_definition cache;
197 AC_MSG_RESULT([register_cache])
198 AC_DEFINE(HAVE_REGISTER_CACHE, 1, [register_cache found])
199 AC_MSG_CHECKING([if kernel expects return from cache shrink ])
200 tmp_flags="$EXTRA_KCFLAGS"
201 EXTRA_KCFLAGS="-Werror"
202 LB_LINUX_TRY_COMPILE([
203 #include <linux/list.h>
204 #include <linux/cache_def.h>
206 struct cache_definition c;
207 c.shrinker = (int (*)(int, unsigned int))1;
209 AC_DEFINE(HAVE_CACHE_RETURN_INT, 1,
210 [kernel expects return from shrink_cache])
215 EXTRA_KCFLAGS="$tmp_flags"
223 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
225 # check for our patched grab_cache_page_nowait_gfp() function
227 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
228 [AC_MSG_CHECKING([if kernel defines grab_cache_page_nowait_gfp()])
229 HAVE_GCPN_GFP="`grep -c 'grab_cache_page_nowait_gfp' $LINUX/include/linux/pagemap.h`"
230 if test "$HAVE_GCPN_GFP" != 0 ; then
231 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
232 [kernel has grab_cache_page_nowait_gfp()])
240 # LC_FUNC_DEV_SET_RDONLY
242 # check for the old-style dev_set_rdonly which took an extra "devno" param
243 # and can only set a single device to discard writes at one time
245 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
246 [AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
247 LB_LINUX_TRY_COMPILE([
248 #include <linux/fs.h>
250 #ifndef HAVE_CLEAR_RDONLY_ON_PUT
251 #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
255 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
257 AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
258 kernel patches from Lustre version 1.4.3 or above.])
263 # LC_CONFIG_BACKINGFS
265 # setup, check the backing filesystem
267 AC_DEFUN([LC_CONFIG_BACKINGFS],
271 if test x$with_ldiskfs = xno ; then
274 if test x$linux25$enable_server = xyesyes ; then
275 AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
278 # --- Check that ext3 and ext3 xattr are enabled in the kernel
280 AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
282 AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
283 AC_MSG_WARN([This build may fail.])
287 LB_DEFINE_LDISKFS_OPTIONS
290 AC_MSG_CHECKING([which backing filesystem to use])
291 AC_MSG_RESULT([$BACKINGFS])
298 # the pinger is temporary, until we have the recovery node in place
300 AC_DEFUN([LC_CONFIG_PINGER],
301 [AC_MSG_CHECKING([whether to enable pinger support])
302 AC_ARG_ENABLE([pinger],
303 AC_HELP_STRING([--disable-pinger],
304 [disable recovery pinger support]),
305 [],[enable_pinger='yes'])
306 AC_MSG_RESULT([$enable_pinger])
307 if test x$enable_pinger != xno ; then
308 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
315 # do checksum of bulk data between client and OST
317 AC_DEFUN([LC_CONFIG_CHECKSUM],
318 [AC_MSG_CHECKING([whether to enable data checksum support])
319 AC_ARG_ENABLE([checksum],
320 AC_HELP_STRING([--disable-checksum],
321 [disable data checksum support]),
322 [],[enable_checksum='yes'])
323 AC_MSG_RESULT([$enable_checksum])
324 if test x$enable_checksum != xno ; then
325 AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
330 # LC_CONFIG_HEALTH_CHECK_WRITE
332 # Turn off the actual write to the disk
334 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
335 [AC_MSG_CHECKING([whether to enable a write with the health check])
336 AC_ARG_ENABLE([health_write],
337 AC_HELP_STRING([--enable-health_write],
338 [enable disk writes when doing health check]),
339 [],[enable_health_write='no'])
340 AC_MSG_RESULT([$enable_health_write])
341 if test x$enable_health_write != xno ; then
342 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
347 # LC_CONFIG_LIBLUSTRE_RECOVERY
349 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
350 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
351 AC_ARG_ENABLE([liblustre-recovery],
352 AC_HELP_STRING([--disable-liblustre-recovery],
353 [disable liblustre recovery support]),
354 [],[enable_liblustre_recovery='yes'])
355 AC_MSG_RESULT([$enable_liblustre_recovery])
356 if test x$enable_liblustre_recovery != xno ; then
357 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
362 # LC_CONFIG_OBD_BUFFER_SIZE
364 # the maximum buffer size of lctl ioctls
366 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
367 [AC_MSG_CHECKING([maximum OBD ioctl size])
368 AC_ARG_WITH([obd-buffer-size],
369 AC_HELP_STRING([--with-obd-buffer-size=[size]],
370 [set lctl ioctl maximum bytes (default=8192)]),
372 OBD_BUFFER_SIZE=$with_obd_buffer_size
376 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
377 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
383 # AIX does not have statfs.f_namelen
385 AC_DEFUN([LC_STRUCT_STATFS],
386 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
387 LB_LINUX_TRY_COMPILE([
388 #include <linux/vfs.h>
394 AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
401 # LC_READLINK_SSIZE_T
403 AC_DEFUN([LC_READLINK_SSIZE_T],
404 [AC_MSG_CHECKING([if readlink returns ssize_t])
408 ssize_t readlink(const char *, char *, size_t);
411 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
417 AC_DEFUN([LC_FUNC_PAGE_MAPPED],
418 [AC_MSG_CHECKING([if kernel offers page_mapped])
419 LB_LINUX_TRY_COMPILE([
420 #include <linux/mm.h>
425 AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
431 AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
432 [AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
433 LB_LINUX_TRY_COMPILE([
434 #include <linux/fs.h>
436 struct file_operations fops;
437 &fops.unlocked_ioctl;
440 AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
446 AC_DEFUN([LC_FILEMAP_POPULATE],
447 [AC_MSG_CHECKING([for exported filemap_populate])
448 LB_LINUX_TRY_COMPILE([
449 #include <asm/page.h>
450 #include <linux/mm.h>
452 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
455 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
461 AC_DEFUN([LC_D_ADD_UNIQUE],
462 [AC_MSG_CHECKING([for d_add_unique])
463 LB_LINUX_TRY_COMPILE([
464 #include <linux/dcache.h>
466 d_add_unique(NULL, NULL);
469 AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
475 AC_DEFUN([LC_BIT_SPINLOCK_H],
476 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
477 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
478 LB_LINUX_TRY_COMPILE([
479 #include <asm/processor.h>
480 #include <linux/spinlock.h>
481 #include <linux/bit_spinlock.h>
484 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
495 # If we have xattr_acl.h
497 AC_DEFUN([LC_XATTR_ACL],
498 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
499 AC_MSG_CHECKING([if xattr_acl.h can be compiled])
500 LB_LINUX_TRY_COMPILE([
501 #include <linux/xattr_acl.h>
504 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
515 # If we have fiemap.h
516 # after 2.6.27 use fiemap.h in include/linux
518 AC_DEFUN([LC_LINUX_FIEMAP_H],
519 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
520 AC_MSG_CHECKING([if fiemap.h can be compiled])
521 LB_LINUX_TRY_COMPILE([
522 #include <linux/fiemap.h>
525 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
534 AC_DEFUN([LC_STRUCT_INTENT_FILE],
535 [AC_MSG_CHECKING([if struct open_intent has a file field])
536 LB_LINUX_TRY_COMPILE([
537 #include <linux/fs.h>
538 #include <linux/namei.h>
540 struct open_intent intent;
544 AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
551 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
552 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
553 AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
554 LB_LINUX_TRY_COMPILE([
555 #include <linux/posix_acl_xattr.h>
558 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
571 # starting from 2.6.19 linux kernel exports __iget()
573 AC_DEFUN([LC_EXPORT___IGET],
574 [LB_CHECK_SYMBOL_EXPORT([__iget],
576 AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
581 AC_DEFUN([LC_LUSTRE_VERSION_H],
582 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
583 rm -f "$LUSTRE/include/linux/lustre_version.h"
585 touch "$LUSTRE/include/linux/lustre_version.h"
586 if test x$enable_server = xyes ; then
587 AC_MSG_WARN([Unpatched kernel detected.])
588 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
589 AC_MSG_WARN([disabling server build])
598 AC_DEFUN([LC_CAPA_CRYPTO],
599 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
600 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
602 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
603 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
605 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
606 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
611 # LC_CONFIG_RMTCLIENT
614 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
616 AC_DEFUN([LC_CONFIG_RMTCLIENT],
617 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
618 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
622 AC_DEFUN([LC_SUNRPC_CACHE],
623 [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
624 LB_LINUX_TRY_COMPILE([
625 #include <linux/sunrpc/cache.h>
627 struct cache_head ch;
631 AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
637 AC_DEFUN([LC_CONFIG_SUNRPC],
638 [LB_LINUX_CONFIG_IM([SUNRPC],[],
639 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
644 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
646 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
647 [AC_MSG_CHECKING([whether to enable gss keyring backend])
648 AC_ARG_ENABLE([gss_keyring],
649 [AC_HELP_STRING([--disable-gss-keyring],
650 [disable gss keyring backend])],
651 [],[enable_gss_keyring='yes'])
652 AC_MSG_RESULT([$enable_gss_keyring])
654 if test x$enable_gss_keyring != xno; then
655 LB_LINUX_CONFIG_IM([KEYS],[],
656 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
658 AC_CHECK_LIB([keyutils], [keyctl_search], [],
659 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
661 AC_DEFINE([HAVE_GSS_KEYRING], [1],
662 [Define this if you enable gss keyring backend])
667 # LC_CONFIG_GSS (default disabled)
669 # Build gss and related tools of Lustre. Currently both kernel and user space
670 # parts are depend on linux platform.
672 AC_DEFUN([LC_CONFIG_GSS],
673 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
675 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
676 [],[enable_gss='no'])
677 AC_MSG_RESULT([$enable_gss])
679 if test x$enable_gss == xyes; then
680 LC_CONFIG_GSS_KEYRING
683 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
685 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
686 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
687 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
688 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
689 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
690 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
691 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
692 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
694 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
695 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
696 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
697 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
698 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
700 AC_SUBST(GSSAPI_LIBS)
706 # LC_FUNC_MS_FLOCK_LOCK
708 # SLES9 kernel has MS_FLOCK_LOCK sb flag
710 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
711 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
712 LB_LINUX_TRY_COMPILE([
713 #include <linux/fs.h>
715 int flags = MS_FLOCK_LOCK;
717 AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
718 [kernel has MS_FLOCK_LOCK flag])
726 # LC_FUNC_HAVE_CAN_SLEEP_ARG
728 # SLES9 kernel has third arg can_sleep
729 # in fs/locks.c: flock_lock_file_wait()
731 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
732 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
733 LB_LINUX_TRY_COMPILE([
734 #include <linux/fs.h>
738 struct file_lock *file_lock;
739 flock_lock_file_wait(file, file_lock, cansleep);
741 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
742 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
752 # rhel4.2 kernel has f_op->flock field
754 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
755 [AC_MSG_CHECKING([if struct file_operations has flock field])
756 LB_LINUX_TRY_COMPILE([
757 #include <linux/fs.h>
759 struct file_operations ll_file_operations_flock;
760 ll_file_operations_flock.flock = NULL;
762 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
763 [struct file_operations has flock field])
773 # task struct has p_pptr instead of parent
775 AC_DEFUN([LC_TASK_PPTR],
776 [AC_MSG_CHECKING([task p_pptr found])
777 LB_LINUX_TRY_COMPILE([
778 #include <linux/sched.h>
780 struct task_struct *p;
785 AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
794 # rhel4.2 kernel has f_op->flock field
796 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
797 [AC_MSG_CHECKING([if struct file_operations has flock field])
798 LB_LINUX_TRY_COMPILE([
799 #include <linux/fs.h>
801 struct file_operations ll_file_operations_flock;
802 ll_file_operations_flock.flock = NULL;
804 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
805 [struct file_operations has flock field])
812 # LC_EXPORT_SYNCHRONIZE_RCU
813 # after 2.6.12 synchronize_rcu is preferred over synchronize_kernel
814 AC_DEFUN([LC_EXPORT_SYNCHRONIZE_RCU],
815 [LB_CHECK_SYMBOL_EXPORT([synchronize_rcu],
816 [kernel/rcupdate.c],[
817 AC_DEFINE(HAVE_SYNCHRONIZE_RCU, 1,
818 [in 2.6.12 synchronize_rcu preferred over synchronize_kernel])
824 # after 2.6.15 inode have i_mutex intead of i_sem
825 AC_DEFUN([LC_INODE_I_MUTEX],
826 [AC_MSG_CHECKING([if inode has i_mutex ])
827 LB_LINUX_TRY_COMPILE([
828 #include <linux/mutex.h>
829 #include <linux/fs.h>
834 mutex_unlock(&i.i_mutex);
837 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
838 [after 2.6.15 inode have i_mutex intead of i_sem])
845 # after 2.6.18 seq_file has lock intead of sem
846 AC_DEFUN([LC_SEQ_LOCK],
847 [AC_MSG_CHECKING([if struct seq_file has lock field])
848 LB_LINUX_TRY_COMPILE([
849 #include <linux/seq_file.h>
853 mutex_unlock(&seq.lock);
856 AC_DEFINE(HAVE_SEQ_LOCK, 1,
857 [after 2.6.18 seq_file has lock intead of sem])
864 # after 2.6.17 dquote use mutex instead if semaphore
865 AC_DEFUN([LC_DQUOTOFF_MUTEX],
866 [AC_MSG_CHECKING([use dqonoff_mutex])
867 LB_LINUX_TRY_COMPILE([
868 #include <linux/mutex.h>
869 #include <linux/fs.h>
870 #include <linux/quota.h>
872 struct quota_info dq;
874 mutex_unlock(&dq.dqonoff_mutex);
877 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
878 [after 2.6.17 dquote use mutex instead if semaphore])
885 # LC_STATFS_DENTRY_PARAM
886 # starting from 2.6.18 linux kernel uses dentry instead of
887 # super_block for first vfs_statfs argument
889 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
890 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
891 LB_LINUX_TRY_COMPILE([
892 #include <linux/fs.h>
894 int vfs_statfs(struct dentry *, struct kstatfs *);
896 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
897 [first parameter of vfs_statfs is dentry])
906 # starting from 2.6.18 kernel don't export do_kern_mount
907 # and want to use vfs_kern_mount instead.
909 AC_DEFUN([LC_VFS_KERN_MOUNT],
910 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
911 LB_LINUX_TRY_COMPILE([
912 #include <linux/mount.h>
914 vfs_kern_mount(NULL, 0, NULL, NULL);
916 AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
917 [vfs_kern_mount exist in kernel])
925 # LC_INVALIDATEPAGE_RETURN_INT
926 # more 2.6 api changes. return type for the invalidatepage
927 # address_space_operation is 'void' in new kernels but 'int' in old
929 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
930 [AC_MSG_CHECKING([invalidatepage has return int])
931 LB_LINUX_TRY_COMPILE([
932 #include <linux/buffer_head.h>
934 int rc = block_invalidatepage(NULL, 0);
937 AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
938 [Define if return type of invalidatepage should be int])
944 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
945 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
946 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
947 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
948 tmp_flags="$EXTRA_KCFLAGS"
949 EXTRA_KCFLAGS="-Werror"
950 LB_LINUX_TRY_COMPILE([
951 #include <linux/fs.h>
954 static void cfg_umount_begin (struct vfsmount *v, int flags)
959 static struct super_operations cfg_super_operations = {
960 .umount_begin = cfg_umount_begin,
963 cfg_super_operations.umount_begin(NULL,0);
966 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
967 [Define umount_begin need second argument])
971 EXTRA_KCFLAGS="$tmp_flags"
974 # inode have i_private field since 2.6.17
975 AC_DEFUN([LC_INODE_IPRIVATE],
976 [AC_MSG_CHECKING([if inode has a i_private field])
977 LB_LINUX_TRY_COMPILE([
978 #include <linux/fs.h>
984 AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
985 [struct inode has i_private field])
992 # inode don't have i_blksize field
993 AC_DEFUN([LC_INODE_BLKSIZE],
994 [AC_MSG_CHECKING([inode has i_blksize field])
995 LB_LINUX_TRY_COMPILE([
996 #include <linux/fs.h>
1002 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
1003 [struct inode has i_blksize field])
1009 # LC_VFS_READDIR_U64_INO
1010 # 2.6.19 use u64 for inode number instead of inode_t
1011 AC_DEFUN([LC_VFS_READDIR_U64_INO],
1012 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
1013 tmp_flags="$EXTRA_KCFLAGS"
1014 EXTRA_KCFLAGS="-Werror"
1015 LB_LINUX_TRY_COMPILE([
1016 #include <linux/fs.h>
1017 int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
1018 u64 ino, unsigned int d_type)
1025 filter = fillonedir;
1029 AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
1030 [if vfs_readdir need 64bit inode number])
1034 EXTRA_KCFLAGS="$tmp_flags"
1038 # 2.6.19 replaced writev with aio_write
1039 AC_DEFUN([LC_FILE_WRITEV],
1040 [AC_MSG_CHECKING([writev in fops])
1041 LB_LINUX_TRY_COMPILE([
1042 #include <linux/fs.h>
1044 struct file_operations *fops = NULL;
1045 fops->writev = NULL;
1048 AC_DEFINE(HAVE_FILE_WRITEV, 1,
1055 # LC_GENERIC_FILE_READ
1056 # 2.6.19 replaced readv with aio_read
1057 AC_DEFUN([LC_FILE_READV],
1058 [AC_MSG_CHECKING([readv in fops])
1059 LB_LINUX_TRY_COMPILE([
1060 #include <linux/fs.h>
1062 struct file_operations *fops = NULL;
1066 AC_DEFINE(HAVE_FILE_READV, 1,
1074 # 2.6.18 don't export nr_pagecahe
1075 AC_DEFUN([LC_NR_PAGECACHE],
1076 [AC_MSG_CHECKING([kernel export nr_pagecache])
1077 LB_LINUX_TRY_COMPILE([
1078 #include <linux/pagemap.h>
1080 return atomic_read(&nr_pagecache);
1083 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
1084 [is kernel export nr_pagecache])
1090 # LC_CANCEL_DIRTY_PAGE
1091 # 2.6.20 introduse cancel_dirty_page instead of
1093 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
1094 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
1095 LB_LINUX_TRY_COMPILE([
1096 #include <linux/mm.h>
1097 #include <linux/page-flags.h>
1099 cancel_dirty_page(NULL, 0);
1102 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
1103 [kernel has cancel_dirty_page instead of clear_page_dirty])
1112 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
1113 # it support constant page, which means the page won't be modified during the
1116 AC_DEFUN([LC_PAGE_CONSTANT],
1117 [AC_MSG_CHECKING([if kernel have PageConstant defined])
1118 LB_LINUX_TRY_COMPILE([
1119 #include <linux/mm.h>
1120 #include <linux/page-flags.h>
1123 #error "Have no raid5 zcopy patch"
1127 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
1133 # RHEL5 in FS-cache patch rename PG_checked flag
1135 AC_DEFUN([LC_PG_FS_MISC],
1136 [AC_MSG_CHECKING([kernel has PG_fs_misc])
1137 LB_LINUX_TRY_COMPILE([
1138 #include <linux/mm.h>
1139 #include <linux/page-flags.h>
1142 #error PG_fs_misc not defined in kernel
1146 AC_DEFINE(HAVE_PG_FS_MISC, 1,
1147 [is kernel have PG_fs_misc])
1153 # RHEL5 PageChecked and SetPageChecked defined
1154 AC_DEFUN([LC_PAGE_CHECKED],
1155 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
1156 LB_LINUX_TRY_COMPILE([
1157 #include <linux/mm.h>
1158 #include <linux/page-flags.h>
1161 #error PageChecked not defined in kernel
1163 #ifndef SetPageChecked
1164 #error SetPageChecked not defined in kernel
1168 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
1169 [does kernel have PageChecked and SetPageChecked])
1175 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
1176 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
1178 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
1179 [kernel export truncate_complete_page])
1184 AC_DEFUN([LC_EXPORT_TRUNCATE_RANGE],
1185 [LB_CHECK_SYMBOL_EXPORT([truncate_inode_pages_range],
1187 AC_DEFINE(HAVE_TRUNCATE_RANGE, 1,
1188 [kernel export truncate_inode_pages_range])
1193 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
1194 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
1196 AC_DEFINE(HAVE_D_REHASH_COND, 1,
1197 [d_rehash_cond is exported by the kernel])
1202 AC_DEFUN([LC_EXPORT___D_REHASH],
1203 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
1205 AC_DEFINE(HAVE___D_REHASH, 1,
1206 [__d_rehash is exported by the kernel])
1211 AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
1212 [LB_CHECK_SYMBOL_EXPORT([d_move_locked],
1214 AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
1215 [d_move_locked is exported by the kernel])
1220 AC_DEFUN([LC_EXPORT___D_MOVE],
1221 [LB_CHECK_SYMBOL_EXPORT([__d_move],
1223 AC_DEFINE(HAVE___D_MOVE, 1,
1224 [__d_move is exported by the kernel])
1230 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
1232 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
1233 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
1235 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
1236 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
1237 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
1238 [exported invalidate_mapping_pages])],
1239 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
1240 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
1241 [exported invalidate_inode_pages])], [
1242 AC_MSG_ERROR([no way to invalidate pages])
1248 # LC_EXPORT_FILEMAP_FDATASYNC_RANGE
1250 # No standard kernels export this
1252 AC_DEFUN([LC_EXPORT_FILEMAP_FDATAWRITE_RANGE],
1253 [LB_CHECK_SYMBOL_EXPORT([filemap_fdatawrite_range],
1255 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE_RANGE, 1,
1256 [filemap_fdatawrite_range is exported by the kernel])
1261 # The actual symbol exported varies among architectures, so we need
1262 # to check many symbols (but only in the current architecture.) No
1263 # matter what symbol is exported, the kernel #defines node_to_cpumask
1264 # to the appropriate function and that's what we use.
1265 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1266 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1267 [arch/$LINUX_ARCH/mm/numa.c],
1268 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1269 [node_to_cpumask is exported by
1270 the kernel])]) # x86_64
1271 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1272 [arch/$LINUX_ARCH/kernel/smpboot.c],
1273 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1274 [node_to_cpumask is exported by
1275 the kernel])]) # ia64
1276 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1277 [arch/$LINUX_ARCH/kernel/smpboot.c],
1278 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1279 [node_to_cpumask is exported by
1280 the kernel])]) # i386
1283 # 2.6.22 lost second parameter for invalidate_bdev
1284 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1285 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1286 LB_LINUX_TRY_COMPILE([
1287 #include <linux/buffer_head.h>
1289 invalidate_bdev(NULL,0);
1291 AC_MSG_RESULT([yes])
1292 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1293 [invalidate_bdev has second argument])
1299 # 2.6.23 have return type 'void' for unregister_blkdev
1300 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1301 [AC_MSG_CHECKING([if unregister_blkdev return int])
1302 LB_LINUX_TRY_COMPILE([
1303 #include <linux/fs.h>
1305 int i = unregister_blkdev(0,NULL);
1307 AC_MSG_RESULT([yes])
1308 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1309 [unregister_blkdev return int])
1315 # 2.6.23 change .sendfile to .splice_read
1316 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1317 [AC_MSG_CHECKING([if kernel has .splice_read])
1318 LB_LINUX_TRY_COMPILE([
1319 #include <linux/fs.h>
1321 struct file_operations file;
1323 file.splice_read = NULL;
1325 AC_MSG_RESULT([yes])
1326 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1327 [kernel has .slice_read])
1333 # 2.6.23 extract nfs export related data into exportfs.h
1334 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1337 CFLAGS="$CFLAGS -I$LINUX_OBJ/include"
1338 AC_CHECK_HEADERS([linux/exportfs.h])
1343 # LC_VFS_INTENT_PATCHES
1345 # check if the kernel has the VFS intent patches
1346 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1347 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1348 LB_LINUX_TRY_COMPILE([
1349 #include <linux/fs.h>
1350 #include <linux/namei.h>
1352 struct nameidata nd;
1353 struct lookup_intent *it;
1356 intent_init(it, IT_OPEN);
1357 it->d.lustre.it_disposition = 0;
1358 it->d.lustre.it_data = NULL;
1360 AC_MSG_RESULT([yes])
1361 AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1367 AC_DEFUN([LC_S_TIME_GRAN],
1368 [AC_MSG_CHECKING([if super block has s_time_gran member])
1369 LB_LINUX_TRY_COMPILE([
1370 #include <linux/fs.h>
1372 struct super_block sb;
1374 return sb.s_time_gran;
1376 AC_MSG_RESULT([yes])
1377 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1383 AC_DEFUN([LC_SB_TIME_GRAN],
1384 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1385 LB_LINUX_TRY_COMPILE([
1386 #include <linux/fs.h>
1388 return get_sb_time_gran(NULL);
1390 AC_MSG_RESULT([yes])
1391 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1398 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1399 AC_DEFUN([LC_RW_TREE_LOCK],
1400 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1401 tmp_flags="$EXTRA_KCFLAGS"
1402 EXTRA_KCFLAGS="-Werror"
1403 LB_LINUX_TRY_COMPILE([
1404 #include <linux/fs.h>
1406 struct address_space a;
1408 write_lock(&a.tree_lock);
1410 AC_MSG_RESULT([yes])
1411 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1415 EXTRA_KCFLAGS="$tmp_flags"
1418 AC_DEFUN([LC_CONST_ACL_SIZE],
1419 [AC_MSG_CHECKING([calc acl size])
1421 CFLAGS="$CFLAGS -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 $EXTRA_KCFLAGS"
1424 #include <linux/autoconf.h>
1425 #include <linux/types.h>
1428 #define __LINUX_POSIX_ACL_H
1430 # ifdef CONFIG_FS_POSIX_ACL
1431 # ifdef HAVE_XATTR_ACL
1432 # include <linux/xattr_acl.h>
1434 # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1435 # include <linux/posix_acl_xattr.h>
1439 #include <lustre_acl.h>
1445 int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1446 FILE *f = fopen("acl.size","w+");
1447 fprintf(f,"%d", size);
1454 acl_size=`cat acl.size`
1455 AC_MSG_RESULT([ACL size $acl_size])
1456 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1458 AC_ERROR([ACL size can't computed])
1464 # check for crypto API
1466 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1467 [AC_MSG_CHECKING([if kernel has block cipher support])
1468 LB_LINUX_TRY_COMPILE([
1469 #include <linux/err.h>
1470 #include <linux/crypto.h>
1472 struct crypto_blkcipher *tfm;
1473 tfm = crypto_alloc_blkcipher("aes", 0, 0 );
1475 AC_MSG_RESULT([yes])
1476 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1483 # check for struct hash_desc
1485 AC_DEFUN([LC_STRUCT_HASH_DESC],
1486 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1487 LB_LINUX_TRY_COMPILE([
1488 #include <linux/err.h>
1489 #include <linux/crypto.h>
1491 struct hash_desc foo;
1493 AC_MSG_RESULT([yes])
1494 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1501 # check for struct blkcipher_desc
1503 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1504 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1505 LB_LINUX_TRY_COMPILE([
1506 #include <linux/err.h>
1507 #include <linux/crypto.h>
1509 struct blkcipher_desc foo;
1511 AC_MSG_RESULT([yes])
1512 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1519 # check for FS_RENAME_DOES_D_MOVE flag
1521 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1522 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1523 LB_LINUX_TRY_COMPILE([
1524 #include <linux/fs.h>
1526 int v = FS_RENAME_DOES_D_MOVE;
1528 AC_MSG_RESULT([yes])
1529 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
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 # Ensure stack size big than 8k in Lustre server
1559 AC_DEFUN([LC_STACK_SIZE],
1560 [AC_MSG_CHECKING([stack size big than 8k])
1561 LB_LINUX_TRY_COMPILE([
1562 #include <linux/thread_info.h>
1564 #if THREAD_SIZE < 8192
1565 #error "stack size < 8192"
1570 AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
1577 # Lustre linux kernel checks
1579 AC_DEFUN([LC_PROG_LINUX],
1580 [LC_LUSTRE_VERSION_H
1581 if test x$enable_server = xyes ; then
1582 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1588 LC_CONFIG_LIBLUSTRE_RECOVERY
1589 LC_CONFIG_HEALTH_CHECK_WRITE
1590 LC_CONFIG_LRU_RESIZE
1595 LC_EXPORT_TRUNCATE_COMPLETE
1596 LC_EXPORT_TRUNCATE_RANGE
1597 LC_EXPORT_D_REHASH_COND
1598 LC_EXPORT___D_REHASH
1599 LC_EXPORT_D_MOVE_LOCKED
1601 LC_EXPORT_NODE_TO_CPUMASK
1603 LC_FUNC_RELEASEPAGE_WITH_INT
1606 LC_FUNC_REGISTER_CACHE
1607 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1608 LC_FUNC_DEV_SET_RDONLY
1609 LC_FUNC_FILEMAP_FDATAWRITE
1612 LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1618 LC_POSIX_ACL_XATTR_H
1621 LC_STRUCT_INTENT_FILE
1626 LC_FUNC_MS_FLOCK_LOCK
1627 LC_FUNC_HAVE_CAN_SLEEP_ARG
1630 LC_COOKIE_FOLLOW_LINK
1634 LC_4ARGS_VFS_SYMLINK
1636 # does the kernel have VFS intent patches?
1637 LC_VFS_INTENT_PATCHES
1645 LC_EXPORT_SYNCHRONIZE_RCU
1651 LC_SECURITY_PLUG # for SLES10 SP2
1659 LC_STATFS_DENTRY_PARAM
1661 LC_INVALIDATEPAGE_RETURN_INT
1662 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1664 LC_EXPORT_FILEMAP_FDATAWRITE_RANGE
1665 if test x$enable_server = xyes ; then
1666 LC_EXPORT_INVALIDATE_MAPPING_PAGES
1669 #2.6.18 + RHEL5 (fc6)
1675 LC_VFS_READDIR_U64_INO
1680 LC_CANCEL_DIRTY_PAGE
1682 # raid5-zerocopy patch
1686 LC_INVALIDATE_BDEV_2ARG
1687 LC_ASYNC_BLOCK_CIPHER
1689 LC_STRUCT_BLKCIPHER_DESC
1690 LC_FS_RENAME_DOES_D_MOVE
1692 LC_UNREGISTER_BLKDEV_RETURN_INT
1693 LC_KERNEL_SPLICE_READ
1698 # LC_CONFIG_CLIENT_SERVER
1700 # Build client/server sides of Lustre
1702 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1703 [AC_MSG_CHECKING([whether to build Lustre server support])
1704 AC_ARG_ENABLE([server],
1705 AC_HELP_STRING([--disable-server],
1706 [disable Lustre server support]),
1707 [],[enable_server='yes'])
1708 AC_MSG_RESULT([$enable_server])
1710 AC_MSG_CHECKING([whether to build Lustre client support])
1711 AC_ARG_ENABLE([client],
1712 AC_HELP_STRING([--disable-client],
1713 [disable Lustre client support]),
1714 [],[enable_client='yes'])
1715 AC_MSG_RESULT([$enable_client])])
1718 # LC_CONFIG_LIBLUSTRE
1720 # whether to build liblustre
1722 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1723 [AC_MSG_CHECKING([whether to build Lustre library])
1724 AC_ARG_ENABLE([liblustre],
1725 AC_HELP_STRING([--disable-liblustre],
1726 [disable building of Lustre library]),
1727 [],[enable_liblustre=$with_sysio])
1728 AC_MSG_RESULT([$enable_liblustre])
1729 # only build sysio if liblustre is built
1730 with_sysio="$enable_liblustre"
1732 AC_MSG_CHECKING([whether to build liblustre tests])
1733 AC_ARG_ENABLE([liblustre-tests],
1734 AC_HELP_STRING([--enable-liblustre-tests],
1735 [enable liblustre tests, if --disable-tests is used]),
1736 [],[enable_liblustre_tests=$enable_tests])
1737 if test x$enable_liblustre != xyes ; then
1738 enable_liblustre_tests='no'
1740 AC_MSG_RESULT([$enable_liblustre_tests])
1742 AC_MSG_CHECKING([whether to enable liblustre acl])
1743 AC_ARG_ENABLE([liblustre-acl],
1744 AC_HELP_STRING([--disable-liblustre-acl],
1745 [disable ACL support for liblustre]),
1746 [],[enable_liblustre_acl=yes])
1747 AC_MSG_RESULT([$enable_liblustre_acl])
1748 if test x$enable_liblustre_acl = xyes ; then
1749 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1755 AC_ARG_ENABLE(mpitests,
1756 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1757 [include mpi tests]),
1768 MPICC_WRAPPER=$enableval
1778 if test x$enable_mpitests != xno; then
1779 AC_MSG_CHECKING([whether mpitests can be built])
1787 MPI_Initialized(&flag);
1790 AC_MSG_RESULT([yes])
1797 AC_SUBST(MPICC_WRAPPER)
1799 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1800 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1803 LC_CONFIG_LIBLUSTRE_RECOVERY
1806 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
1807 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
1808 AC_ARG_ENABLE([lru_resize],
1809 AC_HELP_STRING([--enable-lru-resize],
1810 [enable lru resize support]),
1811 [],[enable_lru_resize='yes'])
1812 AC_MSG_RESULT([$enable_lru_resize])
1813 if test x$enable_lru_resize != xno; then
1814 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
1821 # whether to enable quota support global control
1823 AC_DEFUN([LC_CONFIG_QUOTA],
1824 [AC_ARG_ENABLE([quota],
1825 AC_HELP_STRING([--enable-quota],
1826 [enable quota support]),
1827 [],[enable_quota='yes'])
1830 # whether to enable quota support(kernel modules)
1831 AC_DEFUN([LC_QUOTA_MODULE],
1832 [if test x$enable_quota != xno; then
1833 LB_LINUX_CONFIG([QUOTA],[
1834 enable_quota_module='yes'
1835 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1837 enable_quota_module='no'
1838 AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
1843 AC_DEFUN([LC_QUOTA],
1847 AC_CHECK_HEADER(sys/quota.h,
1848 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1849 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1852 AC_DEFUN([LC_QUOTA_READ],
1853 [AC_MSG_CHECKING([if kernel supports quota_read])
1854 LB_LINUX_TRY_COMPILE([
1855 #include <linux/fs.h>
1857 struct super_operations sp;
1858 void *i = (void *)sp.quota_read;
1860 AC_MSG_RESULT([yes])
1861 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1870 # whether to enable split support
1872 AC_DEFUN([LC_CONFIG_SPLIT],
1873 [AC_MSG_CHECKING([whether to enable split support])
1874 AC_ARG_ENABLE([split],
1875 AC_HELP_STRING([--enable-split],
1876 [enable split support]),
1877 [],[enable_split='no'])
1878 AC_MSG_RESULT([$enable_split])
1879 if test x$enable_split != xno; then
1880 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1885 # LC_COOKIE_FOLLOW_LINK
1887 # kernel 2.6.13+ ->follow_link returns a cookie
1890 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1891 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1892 LB_LINUX_TRY_COMPILE([
1893 #include <linux/fs.h>
1894 #include <linux/namei.h>
1896 struct dentry dentry;
1897 struct nameidata nd;
1899 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1901 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1902 AC_MSG_RESULT([yes])
1911 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
1912 # call_rcu takes three parameters.
1914 AC_DEFUN([LC_FUNC_RCU],
1915 [AC_MSG_CHECKING([if kernel have RCU supported])
1916 LB_LINUX_TRY_COMPILE([
1917 #include <linux/rcupdate.h>
1919 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
1920 AC_MSG_RESULT([yes])
1922 AC_MSG_CHECKING([if call_rcu takes three parameters])
1923 LB_LINUX_TRY_COMPILE([
1924 #include <linux/rcupdate.h>
1927 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
1929 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
1930 AC_MSG_RESULT([yes])
1941 # linux kernel have 64-bit limits support
1943 AC_DEFUN([LC_QUOTA64],
1944 [if test x$enable_quota_module = xyes -a x$enable_server = xyes ; then
1945 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
1946 LB_LINUX_TRY_COMPILE([
1947 #include <linux/kernel.h>
1948 #include <linux/fs.h>
1949 #include <linux/quotaio_v2.h>
1950 int versions[] = V2_INITQVERSIONS_R1;
1951 struct v2_disk_dqblk_r1 dqblk_r1;
1953 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
1954 AC_MSG_RESULT([yes])
1956 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
1957 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
1964 # LC_SECURITY_PLUG # for SLES10 SP2
1965 # check security plug in sles10 sp2 kernel
1966 AC_DEFUN([LC_SECURITY_PLUG],
1967 [AC_MSG_CHECKING([If kernel has security plug support])
1968 LB_LINUX_TRY_COMPILE([
1969 #include <linux/fs.h>
1971 struct dentry *dentry;
1972 struct vfsmount *mnt;
1973 struct iattr *iattr;
1975 notify_change(dentry, mnt, iattr);
1978 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
1979 [SLES10 SP2 use extra parameter in vfs])
1985 AC_DEFUN([LC_PERCPU_COUNTER],
1986 [AC_MSG_CHECKING([if have struct percpu_counter defined])
1987 LB_LINUX_TRY_COMPILE([
1988 #include <linux/percpu_counter.h>
1990 AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
1991 AC_MSG_RESULT([yes])
1993 AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
1994 LB_LINUX_TRY_COMPILE([
1995 #include <linux/percpu_counter.h>
1997 struct percpu_counter c;
1998 percpu_counter_init(&c, 0);
2000 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
2002 AC_MSG_RESULT([yes])
2014 # other configure checks
2016 AC_DEFUN([LC_CONFIGURE],
2017 [LC_CONFIG_OBD_BUFFER_SIZE
2019 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2020 CFLAGS="$CFLAGS -Werror"
2023 # include/liblustre.h
2024 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2026 # liblustre/llite_lib.h
2027 AC_CHECK_HEADERS([xtio.h file.h])
2030 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2033 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2034 AC_CHECK_FUNCS([inet_ntoa])
2036 # libsysio/src/readlink.c
2039 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2040 AC_CHECK_HEADERS([linux/random.h], [], [],
2041 [#ifdef HAVE_LINUX_TYPES_H
2042 # include <linux/types.h>
2047 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2049 # check for -lz support
2053 [AC_CHECK_HEADERS([zlib.h],
2055 AC_DEFINE([HAVE_ADLER], 1,
2056 [support alder32 checksum type])],
2057 [AC_MSG_WARN([No zlib-devel package found,
2058 unable to use adler32 checksum])])],
2059 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2064 AC_ARG_ENABLE([mindf],
2065 AC_HELP_STRING([--enable-mindf],
2066 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2068 if test "$enable_mindf" = "yes" ; then
2069 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2072 AC_ARG_ENABLE([fail_alloc],
2073 AC_HELP_STRING([--disable-fail-alloc],
2074 [disable randomly alloc failure]),
2075 [],[enable_fail_alloc=yes])
2076 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2077 AC_MSG_RESULT([$enable_fail_alloc])
2078 if test x$enable_fail_alloc != xno ; then
2079 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2082 AC_ARG_ENABLE([invariants],
2083 AC_HELP_STRING([--enable-invariants],
2084 [enable invariant checking (cpu intensive)]),
2086 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2087 AC_MSG_RESULT([$enable_invariants])
2088 if test x$enable_invariants = xyes ; then
2089 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2092 AC_ARG_ENABLE([lu_ref],
2093 AC_HELP_STRING([--enable-lu_ref],
2094 [enable lu_ref reference tracking code]),
2096 AC_MSG_CHECKING([whether to track references with lu_ref])
2097 AC_MSG_RESULT([$enable_lu_ref])
2098 if test x$enable_lu_ref = xyes ; then
2099 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2107 # AM_CONDITIONALS for lustre
2109 AC_DEFUN([LC_CONDITIONALS],
2110 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2111 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2112 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2113 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2114 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2115 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2116 AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
2117 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2118 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2119 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2120 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2121 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2122 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2123 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2129 # files that should be generated with AC_OUTPUT
2131 AC_DEFUN([LC_CONFIG_FILES],
2135 lustre/autoconf/Makefile
2136 lustre/contrib/Makefile
2138 lustre/include/Makefile
2139 lustre/include/lustre_ver.h
2140 lustre/include/linux/Makefile
2141 lustre/include/lustre/Makefile
2142 lustre/kernel_patches/targets/2.6-vanilla.target
2143 lustre/kernel_patches/targets/2.6-rhel4.target
2144 lustre/kernel_patches/targets/2.6-rhel5.target
2145 lustre/kernel_patches/targets/2.6-fc5.target
2146 lustre/kernel_patches/targets/2.6-patchless.target
2147 lustre/kernel_patches/targets/2.6-sles10.target
2148 lustre/ldlm/Makefile
2150 lustre/fid/autoMakefile
2151 lustre/liblustre/Makefile
2152 lustre/liblustre/tests/Makefile
2153 lustre/liblustre/tests/mpi/Makefile
2154 lustre/llite/Makefile
2155 lustre/llite/autoMakefile
2156 lustre/lclient/Makefile
2158 lustre/lov/autoMakefile
2159 lustre/lvfs/Makefile
2160 lustre/lvfs/autoMakefile
2162 lustre/mdc/autoMakefile
2164 lustre/lmv/autoMakefile
2166 lustre/mds/autoMakefile
2168 lustre/mdt/autoMakefile
2170 lustre/cmm/autoMakefile
2172 lustre/mdd/autoMakefile
2174 lustre/fld/autoMakefile
2175 lustre/obdclass/Makefile
2176 lustre/obdclass/autoMakefile
2177 lustre/obdclass/linux/Makefile
2178 lustre/obdecho/Makefile
2179 lustre/obdecho/autoMakefile
2180 lustre/obdfilter/Makefile
2181 lustre/obdfilter/autoMakefile
2183 lustre/osc/autoMakefile
2185 lustre/ost/autoMakefile
2187 lustre/osd/autoMakefile
2189 lustre/mgc/autoMakefile
2191 lustre/mgs/autoMakefile
2192 lustre/ptlrpc/Makefile
2193 lustre/ptlrpc/autoMakefile
2194 lustre/ptlrpc/gss/Makefile
2195 lustre/ptlrpc/gss/autoMakefile
2196 lustre/quota/Makefile
2197 lustre/quota/autoMakefile
2198 lustre/scripts/Makefile
2199 lustre/tests/Makefile
2200 lustre/tests/mpi/Makefile
2201 lustre/utils/Makefile
2202 lustre/utils/gss/Makefile
2204 case $lb_target_os in
2206 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])