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 # LC_CONFIG_OBD_BUFFER_SIZE
54 # the maximum buffer size of lctl ioctls
56 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
57 [AC_MSG_CHECKING([maximum OBD ioctl size])
58 AC_ARG_WITH([obd-buffer-size],
59 AC_HELP_STRING([--with-obd-buffer-size=[size]],
60 [set lctl ioctl maximum bytes (default=8192)]),
62 OBD_BUFFER_SIZE=$with_obd_buffer_size
66 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
67 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
73 AC_DEFUN([LC_READLINK_SSIZE_T],
74 [AC_MSG_CHECKING([if readlink returns ssize_t])
78 ssize_t readlink(const char *, char *, size_t);
81 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
88 # only for Lustre-patched kernels
90 AC_DEFUN([LC_LUSTRE_VERSION_H],
91 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
92 rm -f "$LUSTRE/include/linux/lustre_version.h"
94 touch "$LUSTRE/include/linux/lustre_version.h"
95 if test x$enable_server = xyes ; then
96 AC_MSG_WARN([Unpatched kernel detected.])
97 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
98 AC_MSG_WARN([disabling server build])
105 # LC_FUNC_DEV_SET_RDONLY
107 # check whether dev_set_rdonly is exported. This is needed until we
108 # have another mechanism to fence IO from the underlying device.
110 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
111 [LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
112 [block/ll_rw_block.c,block/blk-core.c],[
113 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
115 AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
120 # Ensure stack size big than 8k in Lustre server (all kernels)
122 AC_DEFUN([LC_STACK_SIZE],
123 [AC_MSG_CHECKING([stack size big than 8k])
124 LB_LINUX_TRY_COMPILE([
125 #include <linux/thread_info.h>
127 #if THREAD_SIZE < 8192
128 #error "stack size < 8192"
133 AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
138 # Allow the user to set the MDS thread upper limit
140 AC_DEFUN([LC_MDS_MAX_THREADS],
142 AC_ARG_WITH([mds_max_threads],
143 AC_HELP_STRING([--with-mds-max-threads=size],
144 [define the maximum number of threads available on the MDS: (default=512)]),
146 MDS_THREAD_COUNT=$with_mds_max_threads
147 AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads])
154 # the pinger is temporary, until we have the recovery node in place
156 AC_DEFUN([LC_CONFIG_PINGER],
157 [AC_MSG_CHECKING([whether to enable pinger support])
158 AC_ARG_ENABLE([pinger],
159 AC_HELP_STRING([--disable-pinger],
160 [disable recovery pinger support]),
161 [],[enable_pinger='yes'])
162 AC_MSG_RESULT([$enable_pinger])
163 if test x$enable_pinger != xno ; then
164 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
171 # do checksum of bulk data between client and OST
173 AC_DEFUN([LC_CONFIG_CHECKSUM],
174 [AC_MSG_CHECKING([whether to enable data checksum support])
175 AC_ARG_ENABLE([checksum],
176 AC_HELP_STRING([--disable-checksum],
177 [disable data checksum support]),
178 [],[enable_checksum='yes'])
179 AC_MSG_RESULT([$enable_checksum])
180 if test x$enable_checksum != xno ; then
181 AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
186 # LC_CONFIG_LIBLUSTRE_RECOVERY
188 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
189 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
190 AC_ARG_ENABLE([liblustre-recovery],
191 AC_HELP_STRING([--disable-liblustre-recovery],
192 [disable liblustre recovery support]),
193 [],[enable_liblustre_recovery='yes'])
194 AC_MSG_RESULT([$enable_liblustre_recovery])
195 if test x$enable_liblustre_recovery != xno ; then
196 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
201 # LC_CONFIG_HEALTH_CHECK_WRITE
203 # Turn off the actual write to the disk
205 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
206 [AC_MSG_CHECKING([whether to enable a write with the health check])
207 AC_ARG_ENABLE([health_write],
208 AC_HELP_STRING([--enable-health_write],
209 [enable disk writes when doing health check]),
210 [],[enable_health_write='no'])
211 AC_MSG_RESULT([$enable_health_write])
212 if test x$enable_health_write != xno ; then
213 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
217 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
218 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
219 AC_ARG_ENABLE([lru_resize],
220 AC_HELP_STRING([--enable-lru-resize],
221 [enable lru resize support]),
222 [],[enable_lru_resize='yes'])
223 AC_MSG_RESULT([$enable_lru_resize])
224 if test x$enable_lru_resize != xno; then
225 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
229 # whether to enable quota support(kernel modules)
230 AC_DEFUN([LC_QUOTA_MODULE],
231 [if test x$enable_quota != xno; then
232 LB_LINUX_CONFIG([QUOTA],[
233 enable_quota_module='yes'
234 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
236 enable_quota_module='no'
237 AC_MSG_WARN([quota is not enabled because the kernel - lacks quota support])
242 # truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
243 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
244 # delete_from_page_cache() is exported from 2.6.39
245 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
246 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
248 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
249 [kernel export truncate_complete_page])])
250 LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
252 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
253 [kernel export remove_from_page_cache])])
254 LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
256 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
257 [kernel export delete_from_page_cache])])
260 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
261 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
263 AC_DEFINE(HAVE_D_REHASH_COND, 1,
264 [d_rehash_cond is exported by the kernel])
269 AC_DEFUN([LC_EXPORT___D_REHASH],
270 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
272 AC_DEFINE(HAVE___D_REHASH, 1,
273 [__d_rehash is exported by the kernel])
278 # The actual symbol exported varies among architectures, so we need
279 # to check many symbols (but only in the current architecture.) No
280 # matter what symbol is exported, the kernel #defines node_to_cpumask
281 # to the appropriate function and that's what we use.
282 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
283 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
284 [arch/$LINUX_ARCH/mm/numa.c],
285 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
286 [node_to_cpumask is exported by
287 the kernel])]) # x86_64
288 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
289 [arch/$LINUX_ARCH/kernel/smpboot.c],
290 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
291 [node_to_cpumask is exported by
292 the kernel])]) # ia64
293 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
294 [arch/$LINUX_ARCH/kernel/smpboot.c],
295 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
296 [node_to_cpumask is exported by
297 the kernel])]) # i386
302 # between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
304 AC_DEFUN([LC_FILEMAP_POPULATE],
305 [AC_MSG_CHECKING([for exported filemap_populate])
306 LB_LINUX_TRY_COMPILE([
307 #include <asm/page.h>
308 #include <linux/mm.h>
310 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
313 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
322 AC_DEFUN([LC_BIT_SPINLOCK_H],
323 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
324 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
325 LB_LINUX_TRY_COMPILE([
326 #include <asm/processor.h>
327 #include <linux/spinlock.h>
328 #include <linux/bit_spinlock.h>
331 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
342 AC_DEFUN([LC_CONST_ACL_SIZE],
343 [AC_MSG_CHECKING([calc acl size])
345 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 -include $AUTOCONF_HDIR/autoconf.h $EXTRA_KCFLAGS"
348 #include <linux/types.h>
351 #define __LINUX_POSIX_ACL_H
353 #ifdef CONFIG_FS_POSIX_ACL
354 # include <linux/posix_acl_xattr.h>
361 /* LUSTRE_POSIX_ACL_MAX_ENTRIES = 32 */
362 int size = posix_acl_xattr_size(32);
363 FILE *f = fopen("acl.size","w+");
364 fprintf(f,"%d", size);
370 acl_size=`cat acl.size`
371 AC_MSG_RESULT([ACL size $acl_size])
372 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
374 AC_ERROR([ACL size can't be computed])
376 AC_MSG_RESULT([can't check ACL size, make it 260])
377 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE,260)
385 AC_DEFUN([LC_CAPA_CRYPTO],
386 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
387 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
389 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
390 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
392 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
393 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
398 # LC_CONFIG_RMTCLIENT
401 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
403 AC_DEFUN([LC_CONFIG_RMTCLIENT],
404 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
405 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
410 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
412 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
413 [AC_MSG_CHECKING([whether to enable gss keyring backend])
414 AC_ARG_ENABLE([gss_keyring],
415 [AC_HELP_STRING([--disable-gss-keyring],
416 [disable gss keyring backend])],
417 [],[enable_gss_keyring='yes'])
418 AC_MSG_RESULT([$enable_gss_keyring])
420 if test x$enable_gss_keyring != xno; then
421 LB_LINUX_CONFIG_IM([KEYS],[],
422 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
424 AC_CHECK_LIB([keyutils], [keyctl_search], [],
425 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
427 AC_DEFINE([HAVE_GSS_KEYRING], [1],
428 [Define this if you enable gss keyring backend])
432 AC_DEFUN([LC_CONFIG_SUNRPC],
433 [LB_LINUX_CONFIG_IM([SUNRPC],[],
434 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
438 # LC_CONFIG_GSS (default disabled)
440 # Build gss and related tools of Lustre. Currently both kernel and user space
441 # parts are depend on linux platform.
443 AC_DEFUN([LC_CONFIG_GSS],
444 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
446 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
447 [],[enable_gss='no'])
448 AC_MSG_RESULT([$enable_gss])
450 if test x$enable_gss == xyes; then
451 LC_CONFIG_GSS_KEYRING
454 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
456 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
457 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
458 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
459 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
460 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
461 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
462 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
463 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
465 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
466 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
467 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
468 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
469 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
471 AC_SUBST(GSSAPI_LIBS)
478 # LC_FUNC_HAVE_CAN_SLEEP_ARG
480 # 2.6.5 kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()
482 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
483 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
484 LB_LINUX_TRY_COMPILE([
485 #include <linux/fs.h>
489 struct file_lock *file_lock;
490 flock_lock_file_wait(file, file_lock, cansleep);
492 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
493 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
503 # rhel4.2 kernel has f_op->flock field
505 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
506 [AC_MSG_CHECKING([if struct file_operations has flock field])
507 LB_LINUX_TRY_COMPILE([
508 #include <linux/fs.h>
510 struct file_operations ll_file_operations_flock;
511 ll_file_operations_flock.flock = NULL;
513 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
514 [struct file_operations has flock field])
521 AC_DEFUN([LC_QUOTA_READ],
522 [AC_MSG_CHECKING([if kernel supports quota_read])
523 LB_LINUX_TRY_COMPILE([
524 #include <linux/fs.h>
526 struct super_operations sp;
527 void *i = (void *)sp.quota_read;
530 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
537 # LC_COOKIE_FOLLOW_LINK
539 # kernel 2.6.13+ ->follow_link returns a cookie
542 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
543 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
544 LB_LINUX_TRY_COMPILE([
545 #include <linux/fs.h>
546 #include <linux/namei.h>
548 struct dentry dentry;
551 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
553 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
563 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
564 # call_rcu takes three parameters.
566 AC_DEFUN([LC_FUNC_RCU],
567 [AC_MSG_CHECKING([if kernel have RCU supported])
568 LB_LINUX_TRY_COMPILE([
569 #include <linux/rcupdate.h>
571 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
574 AC_MSG_CHECKING([if call_rcu takes three parameters])
575 LB_LINUX_TRY_COMPILE([
576 #include <linux/rcupdate.h>
579 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
581 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
592 AC_DEFUN([LC_PERCPU_COUNTER],
593 [AC_MSG_CHECKING([if have struct percpu_counter defined])
594 LB_LINUX_TRY_COMPILE([
595 #include <linux/percpu_counter.h>
597 AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
600 AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
601 LB_LINUX_TRY_COMPILE([
602 #include <linux/percpu_counter.h>
604 struct percpu_counter c;
605 percpu_counter_init(&c, 0);
607 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
618 AC_DEFUN([LC_TASK_CLENV_STORE],
620 AC_MSG_CHECKING([if we can store cl_env in task_struct])
621 if test x$have_task_clenv_store != xyes ; then
622 LC_TASK_CLENV_TUX_INFO
628 AC_DEFUN([LC_S_TIME_GRAN],
629 [AC_MSG_CHECKING([if super block has s_time_gran member])
630 LB_LINUX_TRY_COMPILE([
631 #include <linux/fs.h>
633 struct super_block sb;
635 return sb.s_time_gran;
638 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
644 AC_DEFUN([LC_SB_TIME_GRAN],
645 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
646 LB_LINUX_TRY_COMPILE([
647 #include <linux/fs.h>
649 return get_sb_time_gran(NULL);
652 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
660 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
661 AC_DEFUN([LC_RW_TREE_LOCK],
662 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
663 tmp_flags="$EXTRA_KCFLAGS"
664 EXTRA_KCFLAGS="-Werror"
665 LB_LINUX_TRY_COMPILE([
666 #include <linux/fs.h>
668 struct address_space a;
670 write_lock(&a.tree_lock);
673 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
677 EXTRA_KCFLAGS="$tmp_flags"
683 # after 2.6.15 inode have i_mutex intead of i_sem
684 AC_DEFUN([LC_INODE_I_MUTEX],
685 [AC_MSG_CHECKING([if inode has i_mutex ])
686 LB_LINUX_TRY_COMPILE([
687 #include <linux/mutex.h>
688 #include <linux/fs.h>
693 mutex_unlock(&i.i_mutex);
696 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
697 [after 2.6.15 inode have i_mutex intead of i_sem])
705 # LC_SECURITY_PLUG # for SLES10 SP2
706 # check security plug in sles10 sp2 kernel
707 AC_DEFUN([LC_SECURITY_PLUG],
708 [AC_MSG_CHECKING([If kernel has security plug support])
709 LB_LINUX_TRY_COMPILE([
710 #include <linux/fs.h>
712 struct dentry *dentry;
713 struct vfsmount *mnt;
716 notify_change(dentry, mnt, iattr);
719 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
720 [SLES10 SP2 use extra parameter in vfs])
728 # inode have i_private field since 2.6.17
729 AC_DEFUN([LC_INODE_IPRIVATE],
730 [AC_MSG_CHECKING([if inode has a i_private field])
731 LB_LINUX_TRY_COMPILE([
732 #include <linux/fs.h>
738 AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
739 [struct inode has i_private field])
746 # after 2.6.17 dquote use mutex instead if semaphore
747 AC_DEFUN([LC_DQUOTOFF_MUTEX],
748 [AC_MSG_CHECKING([use dqonoff_mutex])
749 LB_LINUX_TRY_COMPILE([
750 #include <linux/mutex.h>
751 #include <linux/fs.h>
752 #include <linux/quota.h>
754 struct quota_info dq;
756 mutex_unlock(&dq.dqonoff_mutex);
759 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
760 [after 2.6.17 dquote use mutex instead if semaphore])
769 # 2.6.18 don't export nr_pagecahe
770 AC_DEFUN([LC_NR_PAGECACHE],
771 [AC_MSG_CHECKING([kernel export nr_pagecache])
772 LB_LINUX_TRY_COMPILE([
773 #include <linux/pagemap.h>
775 return atomic_read(&nr_pagecache);
778 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
779 [is kernel export nr_pagecache])
786 # LC_STATFS_DENTRY_PARAM
787 # starting from 2.6.18 linux kernel uses dentry instead of super_block
788 # for the first parameter of the super_operations->statfs() callback.
791 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
792 [AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
793 tmp_flags="$EXTRA_KCFLAGS"
794 EXTRA_KCFLAGS="-Werror"
795 LB_LINUX_TRY_COMPILE([
796 #include <linux/fs.h>
798 ((struct super_operations *)0)->statfs((struct dentry *)0, (struct kstatfs*)0);
800 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
801 [super_ops.statfs() first parameter is dentry])
806 EXTRA_KCFLAGS="$tmp_flags"
809 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
810 # 2.6.18~2.6.25 umount_begin has different parameters
811 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
812 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
813 tmp_flags="$EXTRA_KCFLAGS"
814 EXTRA_KCFLAGS="-Werror"
815 LB_LINUX_TRY_COMPILE([
816 #include <linux/fs.h>
819 static void cfg_umount_begin (struct vfsmount *v, int flags)
824 static struct super_operations cfg_super_operations = {
825 .umount_begin = cfg_umount_begin,
828 cfg_super_operations.umount_begin(NULL,0);
831 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
832 [Define umount_begin need second argument])
836 EXTRA_KCFLAGS="$tmp_flags"
840 # starting from 2.6.18 the file_operations .flush
841 # method has a new "fl_owner_t id" parameter
843 AC_DEFUN([LC_FLUSH_OWNER_ID],
844 [AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
845 LB_LINUX_TRY_COMPILE([
846 #include <linux/fs.h>
848 struct file_operations *fops = NULL;
852 i = fops->flush(NULL, id);
854 AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
855 [file_operations .flush method has an fl_owner_t id])
863 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
865 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
866 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
868 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
869 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
870 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
871 [exported invalidate_mapping_pages])],
872 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
873 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
874 [exported invalidate_inode_pages])], [
875 AC_MSG_ERROR([no way to invalidate pages])
880 #2.6.18 + RHEL5 (fc6)
882 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
883 AC_DEFUN([LC_PG_FS_MISC],
884 [AC_MSG_CHECKING([kernel has PG_fs_misc])
885 LB_LINUX_TRY_COMPILE([
886 #include <linux/mm.h>
887 #include <linux/page-flags.h>
890 #error PG_fs_misc not defined in kernel
894 AC_DEFINE(HAVE_PG_FS_MISC, 1,
895 [is kernel have PG_fs_misc])
901 # RHEL5 PageChecked and SetPageChecked defined
902 AC_DEFUN([LC_PAGE_CHECKED],
903 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
904 LB_LINUX_TRY_COMPILE([
905 #include <linux/mm.h>
906 #ifdef HAVE_LINUX_MMTYPES_H
907 #include <linux/mm_types.h>
909 #include <linux/page-flags.h>
911 struct page *p = NULL;
913 /* before 2.6.26 this define*/
915 /* 2.6.26 use function instead of define for it */
921 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
922 [does kernel have PageChecked and SetPageChecked])
931 # If we have fiemap.h
932 # after 2.6.27 use fiemap.h in include/linux
934 AC_DEFUN([LC_LINUX_FIEMAP_H],
935 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
936 AC_MSG_CHECKING([if fiemap.h can be compiled])
937 LB_LINUX_TRY_COMPILE([
938 #include <linux/types.h>
939 #include <linux/fiemap.h>
942 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
953 # inode don't have i_blksize field
954 AC_DEFUN([LC_INODE_BLKSIZE],
955 [AC_MSG_CHECKING([inode has i_blksize field])
956 LB_LINUX_TRY_COMPILE([
957 #include <linux/fs.h>
963 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
964 [struct inode has i_blksize field])
971 # 2.6.19 replaced writev with aio_write
972 AC_DEFUN([LC_FILE_WRITEV],
973 [AC_MSG_CHECKING([writev in fops])
974 LB_LINUX_TRY_COMPILE([
975 #include <linux/fs.h>
977 struct file_operations *fops = NULL;
981 AC_DEFINE(HAVE_FILE_WRITEV, 1,
989 # 2.6.19 replaced readv with aio_read
990 AC_DEFUN([LC_FILE_READV],
991 [AC_MSG_CHECKING([readv in fops])
992 LB_LINUX_TRY_COMPILE([
993 #include <linux/fs.h>
995 struct file_operations *fops = NULL;
999 AC_DEFINE(HAVE_FILE_READV, 1,
1008 # LC_CANCEL_DIRTY_PAGE
1009 # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
1010 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
1011 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
1012 # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
1013 # backport is broken, so ignore it
1014 if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
1015 test "$(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
1018 LB_LINUX_TRY_COMPILE([
1019 #include <linux/mm.h>
1020 #include <linux/page-flags.h>
1022 cancel_dirty_page(NULL, 0);
1025 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
1026 [kernel has cancel_dirty_page instead of clear_page_dirty])
1033 # raid5-zerocopy patch
1038 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
1039 # it support constant page, which means the page won't be modified during the
1042 AC_DEFUN([LC_PAGE_CONSTANT],
1043 [AC_MSG_CHECKING([if kernel have PageConstant defined])
1044 LB_LINUX_TRY_COMPILE([
1045 #include <linux/mm.h>
1046 #include <linux/page-flags.h>
1049 #error "Have no raid5 zcopy patch"
1053 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
1061 # 2.6.22 lost second parameter for invalidate_bdev
1062 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1063 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1064 LB_LINUX_TRY_COMPILE([
1065 #include <linux/buffer_head.h>
1067 invalidate_bdev(NULL,0);
1069 AC_MSG_RESULT([yes])
1070 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1071 [invalidate_bdev has second argument])
1078 # check for crypto API
1080 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1081 [AC_MSG_CHECKING([if kernel has block cipher support])
1082 LB_LINUX_TRY_COMPILE([
1083 #include <linux/err.h>
1084 #include <linux/crypto.h>
1086 struct crypto_blkcipher *tfm;
1087 tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
1089 AC_MSG_RESULT([yes])
1090 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1097 # check for struct hash_desc
1099 AC_DEFUN([LC_STRUCT_HASH_DESC],
1100 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1101 LB_LINUX_TRY_COMPILE([
1102 #include <linux/err.h>
1103 #include <linux/crypto.h>
1105 struct hash_desc foo;
1107 AC_MSG_RESULT([yes])
1108 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1115 # check for struct blkcipher_desc
1117 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1118 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1119 LB_LINUX_TRY_COMPILE([
1120 #include <linux/err.h>
1121 #include <linux/crypto.h>
1123 struct blkcipher_desc foo;
1125 AC_MSG_RESULT([yes])
1126 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1133 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
1135 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1136 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1137 LB_LINUX_TRY_COMPILE([
1138 #include <linux/fs.h>
1140 int v = FS_RENAME_DOES_D_MOVE;
1142 AC_MSG_RESULT([yes])
1143 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
1151 # 2.6.23 have return type 'void' for unregister_blkdev
1152 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1153 [AC_MSG_CHECKING([if unregister_blkdev return int])
1154 LB_LINUX_TRY_COMPILE([
1155 #include <linux/fs.h>
1157 int i = unregister_blkdev(0,NULL);
1159 AC_MSG_RESULT([yes])
1160 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1161 [unregister_blkdev return int])
1167 # 2.6.23 change .sendfile to .splice_read
1168 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1169 [AC_MSG_CHECKING([if kernel has .splice_read])
1170 LB_LINUX_TRY_COMPILE([
1171 #include <linux/fs.h>
1173 struct file_operations file;
1175 file.splice_read = NULL;
1177 AC_MSG_RESULT([yes])
1178 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1179 [kernel has .slice_read])
1185 # 2.6.23 change .sendfile to .splice_read
1186 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
1187 AC_DEFUN([LC_KERNEL_SENDFILE],
1188 [AC_MSG_CHECKING([if kernel has .sendfile])
1189 LB_LINUX_TRY_COMPILE([
1190 #include <linux/fs.h>
1192 struct file_operations file;
1194 file.sendfile = NULL;
1196 AC_MSG_RESULT([yes])
1197 AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
1198 [kernel has .sendfile])
1204 # 2.6.23 extract nfs export related data into exportfs.h
1205 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1206 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
1207 AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
1208 [kernel has include/exportfs.h])
1214 # 2.6.23 has new page fault handling API
1215 AC_DEFUN([LC_VM_OP_FAULT],
1216 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
1217 LB_LINUX_TRY_COMPILE([
1218 #include <linux/mm.h>
1220 struct vm_operations_struct op;
1224 AC_MSG_RESULT([yes])
1225 AC_DEFINE(HAVE_VM_OP_FAULT, 1,
1226 [kernel has .fault in vm_operation_struct])
1232 # 2.6.23 add code to wait other users to complete before removing procfs entry
1233 AC_DEFUN([LC_PROCFS_USERS],
1234 [AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
1235 LB_LINUX_TRY_COMPILE([
1236 #include <linux/proc_fs.h>
1238 struct proc_dir_entry pde;
1242 AC_MSG_RESULT([yes])
1243 AC_DEFINE(HAVE_PROCFS_USERS, 1,
1244 [kernel has pde_users member in procfs entry struct])
1250 # 2.6.23 exports exportfs_decode_fh
1251 AC_DEFUN([LC_EXPORTFS_DECODE_FH],
1252 [LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
1253 [fs/exportfs/expfs.c],[
1254 AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
1255 [exportfs_decode_fh has been export])
1262 # 2.6.24 need linux/mm_types.h included
1263 AC_DEFUN([LC_HAVE_MMTYPES_H],
1264 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
1265 AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
1266 [kernel has include/mm_types.h])
1272 # 2.6.24 has bio_endio with 2 args
1273 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1274 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1275 LB_LINUX_TRY_COMPILE([
1276 #include <linux/bio.h>
1280 AC_MSG_RESULT([yes])
1281 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1282 [kernel has bio_endio with 2 args])
1288 # 2.6.24 has new members in exports struct.
1289 AC_DEFUN([LC_FH_TO_DENTRY],
1290 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1291 LB_LINUX_TRY_COMPILE([
1292 #include <linux/fs.h>
1293 #ifdef HAVE_LINUX_EXPORTFS_H
1294 #include <linux/exportfs.h>
1297 do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
1299 AC_MSG_RESULT([yes])
1300 AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1301 [kernel has .fh_to_dentry member in export_operations struct])
1307 # 2.6.24 removes long aged procfs entry -> deleted member
1308 AC_DEFUN([LC_PROCFS_DELETED],
1309 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1310 LB_LINUX_TRY_COMPILE([
1311 #include <linux/proc_fs.h>
1313 struct proc_dir_entry pde;
1315 pde.deleted = sizeof(pde);
1317 AC_MSG_RESULT([yes])
1318 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1319 [kernel has deleted member in procfs entry struct])
1325 # 2.6.24 has bdi_init()/bdi_destroy() functions.
1326 AC_DEFUN([LC_EXPORT_BDI_INIT],
1327 [LB_CHECK_SYMBOL_EXPORT([bdi_init],
1328 [mm/backing-dev.c],[
1329 AC_DEFINE(HAVE_BDI_INIT, 1,
1330 [bdi_init/bdi_destroy functions are present])
1337 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1338 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1339 [AC_MSG_CHECKING([fs_struct use path structure])
1340 LB_LINUX_TRY_COMPILE([
1341 #include <asm/atomic.h>
1342 #include <linux/spinlock.h>
1343 #include <linux/fs_struct.h>
1345 struct fs_struct fs;
1347 fs.pwd = *((struct path *)sizeof(fs));
1349 AC_MSG_RESULT([yes])
1350 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1351 [fs_struct use path structure])
1361 AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT],
1362 [AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *])
1363 tmp_flags="$EXTRA_KCFLAGS"
1364 EXTRA_KCFLAGS="-Werror"
1365 LB_LINUX_TRY_COMPILE([
1366 #include <linux/mm.h>
1368 ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0);
1370 AC_MSG_RESULT([yes])
1371 AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1,
1372 [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter])
1376 EXTRA_KCFLAGS="$tmp_flags"
1379 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1380 [AC_MSG_CHECKING([inode_operations->permission has two args])
1381 LB_LINUX_TRY_COMPILE([
1382 #include <linux/fs.h>
1384 struct inode *inode;
1385 inode->i_op->permission(NULL, 0);
1387 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1388 [inode_operations->permission has two args])
1389 AC_MSG_RESULT([yes])
1395 # 2.6.27 has file_remove_suid instead of remove_suid
1396 AC_DEFUN([LC_FILE_REMOVE_SUID],
1397 [AC_MSG_CHECKING([kernel has file_remove_suid])
1398 LB_LINUX_TRY_COMPILE([
1399 #include <linux/fs.h>
1401 file_remove_suid(NULL);
1403 AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1404 [kernel have file_remove_suid])
1405 AC_MSG_RESULT([yes])
1411 # 2.6.27 have new page locking API
1412 AC_DEFUN([LC_TRYLOCKPAGE],
1413 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1414 LB_LINUX_TRY_COMPILE([
1415 #include <linux/pagemap.h>
1419 AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1420 [kernel uses trylock_page for page lock])
1421 AC_MSG_RESULT([yes])
1427 # 2.6.27 removed the read_inode from super_operations.
1428 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1429 [AC_MSG_CHECKING([super_operations has a read_inode field])
1430 LB_LINUX_TRY_COMPILE([
1431 #include <linux/fs.h>
1433 struct super_operations *sop;
1434 sop->read_inode(NULL);
1436 AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1437 [super_operations has a read_inode])
1438 AC_MSG_RESULT([yes])
1444 # 2.6.27 has inode_permission instead of permisson
1445 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1446 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1448 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1449 [inode_permission is exported by the kernel])
1454 # 2.6.27 use 5th parameter in quota_on for remount.
1455 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1456 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1457 LB_LINUX_TRY_COMPILE([
1458 #include <linux/quota.h>
1460 struct quotactl_ops *qop;
1461 qop->quota_on(NULL, 0, 0, NULL, 0);
1463 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1464 [quota_on needs 5 paramters])
1465 AC_MSG_RESULT([yes])
1471 # 2.6.27 use 3th parameter in quota_off for remount.
1472 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1473 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1474 LB_LINUX_TRY_COMPILE([
1475 #include <linux/quota.h>
1477 struct quotactl_ops *qop;
1478 qop->quota_off(NULL, 0, 0);
1480 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1481 [quota_off needs 3 paramters])
1482 AC_MSG_RESULT([yes])
1488 # 2.6.27 has vfs_dq_off inline function.
1489 AC_DEFUN([LC_VFS_DQ_OFF],
1490 [AC_MSG_CHECKING([vfs_dq_off is defined])
1491 LB_LINUX_TRY_COMPILE([
1492 #include <linux/quotaops.h>
1494 vfs_dq_off(NULL, 0);
1496 AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1497 AC_MSG_RESULT([yes])
1503 # LC_LOCK_MAP_ACQUIRE
1504 # after 2.6.27 lock_map_acquire replaces lock_acquire
1505 AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
1506 [AC_MSG_CHECKING([if lock_map_acquire is defined])
1507 LB_LINUX_TRY_COMPILE([
1508 #include <linux/lockdep.h>
1510 lock_map_acquire(NULL);
1513 AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
1514 [lock_map_acquire is defined])
1520 # 2.6.27.15-2 sles11
1522 # 2.6.27 sles11 remove the bi_hw_segments
1523 AC_DEFUN([LC_BI_HW_SEGMENTS],
1524 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1525 LB_LINUX_TRY_COMPILE([
1526 #include <linux/bio.h>
1529 io.bi_hw_segments = sizeof(io);
1531 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1532 [struct bio has a bi_hw_segments field])
1533 AC_MSG_RESULT([yes])
1540 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
1541 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
1542 AC_DEFUN([LC_HAVE_QUOTAIO_H],
1543 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
1544 AC_DEFINE(HAVE_QUOTAIO_H, 1,
1545 [kernel has include/linux/quotaio_v2.h])
1546 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
1547 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
1548 [kernel has fs/quotaio_v1.h])
1549 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
1550 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
1551 [kernel has fs/quota/quotaio_v2.h])
1559 # 2.6.27 sles11 has sb_any_quota_active
1560 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1561 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1562 LB_LINUX_TRY_COMPILE([
1563 #include <linux/quotaops.h>
1565 sb_any_quota_active(NULL);
1567 AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1568 [Kernel has a sb_any_quota_active])
1569 AC_MSG_RESULT([yes])
1575 # 2.6.27 sles11 has sb_has_quota_active
1576 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1577 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1578 LB_LINUX_TRY_COMPILE([
1579 #include <linux/quotaops.h>
1581 sb_has_quota_active(NULL, 0);
1583 AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1584 [Kernel has a sb_has_quota_active])
1585 AC_MSG_RESULT([yes])
1591 # 2.6.27 exported add_to_page_cache_lru.
1592 AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
1593 [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1595 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1596 [add_to_page_cache_lru functions are present])
1602 # 2.6.29 introduce sb_any_quota_loaded.
1604 AC_DEFUN([LC_SB_ANY_QUOTA_LOADED],
1605 [AC_MSG_CHECKING([Kernel has sb_any_quota_loaded])
1606 LB_LINUX_TRY_COMPILE([
1607 #include <linux/quotaops.h>
1609 sb_any_quota_loaded(NULL);
1611 AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1,
1612 [Kernel has a sb_any_quota_loaded])
1613 AC_MSG_RESULT([yes])
1619 # 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
1620 AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
1621 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
1622 [arch/$LINUX_ARCH/mm/numa.c],
1623 [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
1624 [node_to_cpumask_map is exported by
1625 the kernel])]) # x86_64
1628 # 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
1629 AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
1630 [AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
1631 LB_LINUX_TRY_COMPILE([
1632 #include <linux/blkdev.h>
1634 blk_queue_logical_block_size(NULL, 0);
1637 AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
1638 [blk_queue_logical_block_size is defined])
1646 # 2.6.32 changes cache_detail's member cache_request to cache_upcall
1647 # in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe
1648 AC_DEFUN([LC_CACHE_UPCALL],
1649 [AC_MSG_CHECKING([if cache_detail has cache_upcall field])
1650 LB_LINUX_TRY_COMPILE([
1651 #include <linux/sunrpc/cache.h>
1653 struct cache_detail cd;
1654 cd.cache_upcall = NULL;
1657 AC_DEFINE(HAVE_CACHE_UPCALL, 1,
1658 [cache_detail has cache_upcall field])
1664 # 2.6.32 add a limits member in struct request_queue.
1665 AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
1666 [AC_MSG_CHECKING([if request_queue has a limits field])
1667 LB_LINUX_TRY_COMPILE([
1668 #include <linux/blkdev.h>
1670 struct request_queue rq;
1671 rq.limits.io_min = 0;
1674 AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1,
1675 [request_queue has a limits field])
1681 # 2.6.32 has bdi_register() functions.
1682 AC_DEFUN([LC_EXPORT_BDI_REGISTER],
1683 [LB_CHECK_SYMBOL_EXPORT([bdi_register],
1684 [mm/backing-dev.c],[
1685 AC_DEFINE(HAVE_BDI_REGISTER, 1,
1686 [bdi_register function is present])
1691 # 2.6.32 add s_bdi for super block
1692 AC_DEFUN([LC_SB_BDI],
1693 [AC_MSG_CHECKING([if super_block has s_bdi field])
1694 LB_LINUX_TRY_COMPILE([
1695 #include <linux/fs.h>
1697 struct super_block sb;
1701 AC_DEFINE(HAVE_SB_BDI, 1,
1702 [super_block has s_bdi field])
1708 # 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
1709 AC_DEFUN([LC_BDI_NAME],
1710 [AC_MSG_CHECKING([if backing_device_info has name field])
1711 LB_LINUX_TRY_COMPILE([
1712 #include <linux/blkkdev.h>
1714 struct backing_dev_info bdi;
1718 AC_DEFINE(HAVE_BDI_NAME, 1,
1719 [backing_device_info has name field])
1725 # 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
1726 # check blk_queue_max_sectors and use it until disappear.
1727 AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
1728 [AC_MSG_CHECKING([if blk_queue_max_sectors is defined])
1729 LB_LINUX_TRY_COMPILE([
1730 #include <linux/blkdev.h>
1732 blk_queue_max_sectors(NULL, 0);
1735 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
1736 [blk_queue_max_sectors is defined])
1742 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
1743 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
1744 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
1745 LB_LINUX_TRY_COMPILE([
1746 #include <linux/blkdev.h>
1748 blk_queue_max_segments(NULL, 0);
1751 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
1752 [blk_queue_max_segments is defined])
1761 # Check if kernel has been patched for 64-bit quota limits support.
1762 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
1763 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
1764 # that in the absence of quotaio_v1.h in the kernel headers.
1766 AC_DEFUN([LC_QUOTA64],[
1767 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
1768 tmp_flags="$EXTRA_KCFLAGS"
1769 EXTRA_KCFLAGS="-I$LINUX/fs"
1770 LB_LINUX_TRY_COMPILE([
1771 #include <linux/kernel.h>
1772 #include <linux/fs.h>
1773 #ifdef HAVE_QUOTAIO_H
1774 # include <linux/quotaio_v2.h>
1775 int versions[] = V2_INITQVERSIONS_R1;
1776 struct v2_disk_dqblk_r1 dqblk_r1;
1777 #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
1778 # include <quota/quotaio_v2.h>
1779 struct v2r1_disk_dqblk dqblk_r1;
1780 #elif defined(HAVE_FS_QUOTAIO_H)
1781 # include <quotaio_v2.h>
1782 struct v2r1_disk_dqblk dqblk_r1;
1784 #include <linux/quota.h>
1785 int ver = QFMT_VFS_V1;
1788 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
1789 AC_MSG_RESULT([yes])
1791 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
1792 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
1796 EXTRA_KCFLAGS=$tmp_flags
1799 # 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
1800 AC_DEFUN([LC_SET_CPUS_ALLOWED],
1801 [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
1802 LB_LINUX_TRY_COMPILE(
1803 [#include <linux/sched.h>],
1804 [struct task_struct *p = NULL;
1805 cpumask_t mask = { { 0 } };
1806 (void) set_cpus_allowed(p, mask);],
1807 [AC_MSG_RESULT([yes])
1808 AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
1809 [set_cpus_allowed is exported by the kernel])],
1810 [AC_MSG_RESULT([no])] )])
1814 # starting from 2.6.28 kernel replaces d_alloc_anon() with
1815 # d_obtain_alias() for getting anonymous dentries
1816 # RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not
1818 AC_DEFUN([LC_D_OBTAIN_ALIAS],
1819 [AC_MSG_CHECKING([d_obtain_alias exist in kernel])
1820 LB_LINUX_TRY_COMPILE([
1821 #include <linux/dcache.h>
1823 d_obtain_alias(NULL);
1825 AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
1826 [d_obtain_alias exist in kernel])
1827 AC_MSG_RESULT([yes])
1834 # LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
1836 AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE],
1837 [LB_CHECK_SYMBOL_EXPORT(
1838 [generic_error_remove_page],
1840 [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1,
1841 [kernel export generic_error_remove_page])],
1847 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
1849 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
1850 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
1851 LB_LINUX_TRY_COMPILE([
1852 #include <asm/atomic.h>
1853 #include <linux/spinlock.h>
1854 #include <linux/fs_struct.h>
1856 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
1858 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
1859 [fs_struct.lock use rwlock])
1860 AC_MSG_RESULT([yes])
1867 # 2.6.36 super_operations add evict_inode method. it hybird of
1868 # delete_inode & clear_inode.
1870 AC_DEFUN([LC_SBOPS_EVICT_INODE],
1871 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
1872 LB_LINUX_TRY_COMPILE([
1873 #include <linux/fs.h>
1875 ((struct super_operations *)0)->evict_inode(NULL);
1877 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
1878 [super_operations.evict_inode() is exist in kernel])
1879 AC_MSG_RESULT([yes])
1886 # 2.6.35 file_operations.fsync taken 2 arguments.
1887 # 3.0.0 file_operations.fsync takes 4 arguments.
1889 AC_DEFUN([LC_FILE_FSYNC],
1890 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
1891 LB_LINUX_TRY_COMPILE([
1892 #include <linux/fs.h>
1894 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
1896 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
1897 [file_operations.fsync takes 4 arguments])
1898 AC_MSG_RESULT([yes, 4 args])
1900 LB_LINUX_TRY_COMPILE([
1901 #include <linux/fs.h>
1903 ((struct file_operations *)0)->fsync(NULL, 0);
1905 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
1906 [file_operations.fsync takes 2 arguments])
1907 AC_MSG_RESULT([yes, 2 args])
1915 # 2.6.38 export blkdev_get_by_dev
1917 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
1918 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
1920 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
1921 [blkdev_get_by_dev is exported by the kernel])
1927 # 2.6.38 vfsmount.mnt_count doesn't use atomic_t
1929 AC_DEFUN([LC_ATOMIC_MNT_COUNT],
1930 [AC_MSG_CHECKING([if vfsmount.mnt_count is atomic_t])
1931 LB_LINUX_TRY_COMPILE([
1932 #include <asm/atomic.h>
1933 #include <linux/fs.h>
1934 #include <linux/mount.h>
1936 ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
1938 AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
1939 [vfsmount.mnt_count is atomic_t])
1940 AC_MSG_RESULT([yes])
1947 # 2.6.38 use path as 4th parameter in quota_on.
1949 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
1950 [AC_MSG_CHECKING([quota_on use path as parameter])
1951 tmp_flags="$EXTRA_KCFLAGS"
1952 EXTRA_KCFLAGS="-Werror"
1953 LB_LINUX_TRY_COMPILE([
1954 #include <linux/fs.h>
1955 #include <linux/quota.h>
1957 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
1959 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
1960 [quota_on use path as 4th paramter])
1961 AC_MSG_RESULT([yes])
1965 EXTRA_KCFLAGS="$tmp_flags"
1969 # 2.6.39 remove unplug_fn from request_queue.
1971 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
1972 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
1973 LB_LINUX_TRY_COMPILE([
1974 #include <linux/blkdev.h>
1976 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
1978 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
1979 [request_queue has unplug_fn field])
1980 AC_MSG_RESULT([yes])
1987 # 2.6.38 generic_permission taken 4 paremater.
1988 # in fact, it means rcu-walk aware permission bring.
1990 AC_DEFUN([LC_GENERIC_PERMISSION],
1991 [AC_MSG_CHECKING([if generic_permission take 4 arguments])
1992 LB_LINUX_TRY_COMPILE([
1993 #include <linux/fs.h>
1995 generic_permission(NULL, 0, 0, NULL);
1997 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
1998 [generic_permission taken 4 arguments])
1999 AC_MSG_RESULT([yes])
2006 # 2.6.38 export simple_setattr
2008 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
2009 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
2011 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
2012 [simple_setattr is exported by the kernel])
2020 # Lustre linux kernel checks
2022 AC_DEFUN([LC_PROG_LINUX],
2023 [LC_LUSTRE_VERSION_H
2026 LC_CONFIG_LIBLUSTRE_RECOVERY
2027 LC_CONFIG_HEALTH_CHECK_WRITE
2028 LC_CONFIG_LRU_RESIZE
2030 LC_LLITE_LLOOP_MODULE
2033 LC_EXPORT_TRUNCATE_COMPLETE
2034 LC_EXPORT_D_REHASH_COND
2035 LC_EXPORT___D_REHASH
2036 LC_EXPORT_NODE_TO_CPUMASK
2046 LC_FUNC_HAVE_CAN_SLEEP_ARG
2049 LC_COOKIE_FOLLOW_LINK
2065 LC_SECURITY_PLUG # for SLES10 SP2
2073 LC_STATFS_DENTRY_PARAM
2074 LC_UMOUNTBEGIN_HAS_VFSMOUNT
2076 if test x$enable_server = xyes ; then
2077 LC_EXPORT_INVALIDATE_MAPPING_PAGES
2080 #2.6.18 + RHEL5 (fc6)
2091 LC_CANCEL_DIRTY_PAGE
2093 # raid5-zerocopy patch
2097 LC_INVALIDATE_BDEV_2ARG
2098 LC_ASYNC_BLOCK_CIPHER
2100 LC_STRUCT_BLKCIPHER_DESC
2101 LC_FS_RENAME_DOES_D_MOVE
2104 LC_UNREGISTER_BLKDEV_RETURN_INT
2105 LC_KERNEL_SPLICE_READ
2110 LC_EXPORTFS_DECODE_FH
2120 LC_FS_STRUCT_USE_PATH
2123 LC_PGMKWRITE_USE_VMFAULT
2124 LC_INODE_PERMISION_2ARGS
2127 LC_READ_INODE_IN_SBOPS
2128 LC_EXPORT_INODE_PERMISSION
2134 # 2.6.27.15-2 sles11
2138 LC_SB_ANY_QUOTA_ACTIVE
2139 LC_SB_HAS_QUOTA_ACTIVE
2140 LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
2143 LC_SB_ANY_QUOTA_LOADED
2146 LC_EXPORT_CPUMASK_OF_NODE
2149 LC_BLK_QUEUE_LOG_BLK_SIZE
2152 LC_REQUEST_QUEUE_LIMITS
2153 LC_EXPORT_BDI_REGISTER
2155 LC_BLK_QUEUE_MAX_SECTORS
2156 LC_BLK_QUEUE_MAX_SEGMENTS
2159 LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
2163 LC_EXPORT_SIMPLE_SETATTR
2167 LC_SBOPS_EVICT_INODE
2171 LC_BLKDEV_GET_BY_DEV
2172 LC_GENERIC_PERMISSION
2173 LC_QUOTA_ON_USE_PATH
2176 LC_REQUEST_QUEUE_UNPLUG_FN
2179 if test x$enable_server = xyes ; then
2180 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
2181 LC_FUNC_DEV_SET_RDONLY
2188 # LC_CONFIG_CLIENT_SERVER
2190 # Build client/server sides of Lustre
2192 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
2193 [AC_MSG_CHECKING([whether to build Lustre server support])
2194 AC_ARG_ENABLE([server],
2195 AC_HELP_STRING([--disable-server],
2196 [disable Lustre server support]),
2197 [],[enable_server='yes'])
2198 AC_MSG_RESULT([$enable_server])
2200 AC_MSG_CHECKING([whether to build Lustre client support])
2201 AC_ARG_ENABLE([client],
2202 AC_HELP_STRING([--disable-client],
2203 [disable Lustre client support]),
2204 [],[enable_client='yes'])
2205 AC_MSG_RESULT([$enable_client])])
2208 # LC_CONFIG_LIBLUSTRE
2210 # whether to build liblustre
2212 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
2213 [AC_MSG_CHECKING([whether to build Lustre library])
2214 AC_ARG_ENABLE([liblustre],
2215 AC_HELP_STRING([--disable-liblustre],
2216 [disable building of Lustre library]),
2217 [],[enable_liblustre=$with_sysio])
2218 AC_MSG_RESULT([$enable_liblustre])
2219 # only build sysio if liblustre is built
2220 with_sysio="$enable_liblustre"
2222 AC_MSG_CHECKING([whether to build liblustre tests])
2223 AC_ARG_ENABLE([liblustre-tests],
2224 AC_HELP_STRING([--enable-liblustre-tests],
2225 [enable liblustre tests, if --disable-tests is used]),
2226 [],[enable_liblustre_tests=$enable_tests])
2227 if test x$enable_liblustre != xyes ; then
2228 enable_liblustre_tests='no'
2230 AC_MSG_RESULT([$enable_liblustre_tests])
2232 AC_MSG_CHECKING([whether to enable liblustre acl])
2233 AC_ARG_ENABLE([liblustre-acl],
2234 AC_HELP_STRING([--disable-liblustre-acl],
2235 [disable ACL support for liblustre]),
2236 [],[enable_liblustre_acl=yes])
2237 AC_MSG_RESULT([$enable_liblustre_acl])
2238 if test x$enable_liblustre_acl = xyes ; then
2239 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
2242 # 2.6.29 change prepare/commit_write to write_begin/end
2243 AC_DEFUN([LC_WRITE_BEGIN_END],
2244 [AC_MSG_CHECKING([if kernel has .write_begin/end])
2245 LB_LINUX_TRY_COMPILE([
2246 #include <linux/fs.h>
2247 #include <linux/pagemap.h>
2248 #ifdef HAVE_LINUX_MMTYPES_H
2249 #include <linux/mm_types.h>
2252 struct address_space_operations aops;
2255 aops.write_begin = NULL;
2256 aops.write_end = NULL;
2257 page = grab_cache_page_write_begin(NULL, 0, 0);
2259 AC_MSG_RESULT([yes])
2260 AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
2261 [kernel has .write_begin/end])
2267 # 2.6.29 blkdev_put has 2 arguments
2268 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
2269 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
2270 LB_LINUX_TRY_COMPILE([
2271 #include <linux/fs.h>
2273 blkdev_put(NULL, 0);
2275 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
2276 [blkdev_put needs 2 paramters])
2277 AC_MSG_RESULT([yes])
2283 # 2.6.29 dentry_open has 4 arguments
2284 AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
2285 [AC_MSG_CHECKING([dentry_open needs 4 parameters])
2286 LB_LINUX_TRY_COMPILE([
2287 #include <linux/fs.h>
2289 dentry_open(NULL, NULL, 0, NULL);
2291 AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
2292 [dentry_open needs 4 paramters])
2293 AC_MSG_RESULT([yes])
2299 # 2.6.29 split file and anonymous page queues
2300 AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
2301 [AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
2302 LB_LINUX_TRY_COMPILE([
2303 #include <linux/mm.h>
2304 #include <linux/pagevec.h>
2306 struct pagevec lru_pagevec;
2308 pagevec_init(&lru_pagevec, 0);
2309 pagevec_lru_add_file(&lru_pagevec);
2311 AC_MSG_RESULT([yes])
2312 AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
2313 [kernel has .pagevec_lru_add_file])
2322 AC_ARG_ENABLE(mpitests,
2323 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2324 [include mpi tests]),
2335 MPICC_WRAPPER=$enableval
2345 if test x$enable_mpitests != xno; then
2346 AC_MSG_CHECKING([whether mpitests can be built])
2354 MPI_Initialized(&flag);
2357 AC_MSG_RESULT([yes])
2364 AC_SUBST(MPICC_WRAPPER)
2366 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2367 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2370 LC_CONFIG_LIBLUSTRE_RECOVERY
2376 # whether to enable quota support global control
2378 AC_DEFUN([LC_CONFIG_QUOTA],
2379 [AC_ARG_ENABLE([quota],
2380 AC_HELP_STRING([--enable-quota],
2381 [enable quota support]),
2382 [],[enable_quota='yes'])
2385 AC_DEFUN([LC_QUOTA],
2389 AC_CHECK_HEADER(sys/quota.h,
2390 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2391 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2397 # whether to enable split support
2399 AC_DEFUN([LC_CONFIG_SPLIT],
2400 [AC_MSG_CHECKING([whether to enable split support])
2401 AC_ARG_ENABLE([split],
2402 AC_HELP_STRING([--enable-split],
2403 [enable split support]),
2404 [],[enable_split='no'])
2405 AC_MSG_RESULT([$enable_split])
2406 if test x$enable_split != xno; then
2407 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2411 # RHEL5(2.6.18) has tux_info
2412 AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
2413 [AC_MSG_CHECKING([tux_info])
2414 LB_LINUX_TRY_COMPILE([
2415 #include <linux/sched.h>
2417 struct task_struct task;
2420 AC_MSG_RESULT([yes])
2421 AC_DEFINE(LL_TASK_CL_ENV, tux_info, [have tux_info])
2422 have_task_clenv_store='yes'
2429 # LC_LLITE_LLOOP_MODULE
2430 # lloop_llite.ko does not currently work with page sizes
2433 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
2434 [AC_MSG_CHECKING([whether to enable llite_lloop module])
2435 LB_LINUX_TRY_COMPILE([
2436 #include <asm/page.h>
2438 #if PAGE_SIZE >= 65536
2439 #error "PAGE_SIZE >= 65536"
2442 enable_llite_lloop_module='yes'
2443 AC_MSG_RESULT([yes])
2445 enable_llite_lloop_module='no'
2453 # other configure checks
2455 AC_DEFUN([LC_CONFIGURE],
2456 [LC_CONFIG_OBD_BUFFER_SIZE
2458 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2459 CFLAGS="$CFLAGS -Werror"
2462 # maximum MDS thread count
2465 # include/liblustre.h
2466 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2468 # liblustre/llite_lib.h
2469 AC_CHECK_HEADERS([xtio.h file.h])
2472 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2475 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2476 AC_CHECK_FUNCS([inet_ntoa])
2478 # libsysio/src/readlink.c
2481 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2482 AC_CHECK_HEADERS([linux/random.h], [], [],
2483 [#ifdef HAVE_LINUX_TYPES_H
2484 # include <linux/types.h>
2489 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2491 # check for -lz support
2495 [AC_CHECK_HEADERS([zlib.h],
2497 AC_DEFINE([HAVE_ADLER], 1,
2498 [support alder32 checksum type])],
2499 [AC_MSG_WARN([No zlib-devel package found,
2500 unable to use adler32 checksum])])],
2501 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2506 AC_ARG_ENABLE([mindf],
2507 AC_HELP_STRING([--enable-mindf],
2508 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2510 if test "$enable_mindf" = "yes" ; then
2511 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2514 AC_ARG_ENABLE([fail_alloc],
2515 AC_HELP_STRING([--disable-fail-alloc],
2516 [disable randomly alloc failure]),
2517 [],[enable_fail_alloc=yes])
2518 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2519 AC_MSG_RESULT([$enable_fail_alloc])
2520 if test x$enable_fail_alloc != xno ; then
2521 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2524 AC_ARG_ENABLE([invariants],
2525 AC_HELP_STRING([--enable-invariants],
2526 [enable invariant checking (cpu intensive)]),
2528 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2529 AC_MSG_RESULT([$enable_invariants])
2530 if test x$enable_invariants = xyes ; then
2531 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2534 AC_ARG_ENABLE([lu_ref],
2535 AC_HELP_STRING([--enable-lu_ref],
2536 [enable lu_ref reference tracking code]),
2538 AC_MSG_CHECKING([whether to track references with lu_ref])
2539 AC_MSG_RESULT([$enable_lu_ref])
2540 if test x$enable_lu_ref = xyes ; then
2541 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2544 AC_ARG_ENABLE([pgstate-track],
2545 AC_HELP_STRING([--enable-pgstate-track],
2546 [enable page state tracking]),
2547 [enable_pgstat_track='yes'],[])
2548 AC_MSG_CHECKING([whether to enable page state tracking])
2549 AC_MSG_RESULT([$enable_pgstat_track])
2550 if test x$enable_pgstat_track = xyes ; then
2551 AC_DEFINE([LUSTRE_PAGESTATE_TRACKING], 1,
2552 [enable page state tracking code])
2559 LC_DENTRY_OPEN_4ARGS
2560 LC_PAGEVEC_LRU_ADD_FILE
2567 # AM_CONDITIONALS for lustre
2569 AC_DEFUN([LC_CONDITIONALS],
2570 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2571 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2572 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2573 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2574 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2575 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2576 AM_CONDITIONAL(QUOTA, test x$enable_quota_module = xyes)
2577 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2578 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2579 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2580 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2581 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2582 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2583 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2584 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
2590 # files that should be generated with AC_OUTPUT
2592 AC_DEFUN([LC_CONFIG_FILES],
2596 lustre/autoconf/Makefile
2597 lustre/conf/Makefile
2598 lustre/contrib/Makefile
2600 lustre/include/Makefile
2601 lustre/include/lustre_ver.h
2602 lustre/include/linux/Makefile
2603 lustre/include/darwin/Makefile
2604 lustre/include/lustre/Makefile
2605 lustre/kernel_patches/targets/2.6-rhel6.target
2606 lustre/kernel_patches/targets/2.6-rhel5.target
2607 lustre/kernel_patches/targets/2.6-sles10.target
2608 lustre/kernel_patches/targets/2.6-sles11.target
2609 lustre/kernel_patches/targets/2.6-oel5.target
2610 lustre/kernel_patches/targets/2.6-fc11.target
2611 lustre/kernel_patches/targets/2.6-fc12.target
2612 lustre/ldlm/Makefile
2614 lustre/fid/autoMakefile
2615 lustre/liblustre/Makefile
2616 lustre/liblustre/tests/Makefile
2617 lustre/liblustre/tests/mpi/Makefile
2618 lustre/llite/Makefile
2619 lustre/llite/autoMakefile
2620 lustre/lclient/Makefile
2622 lustre/lov/autoMakefile
2623 lustre/lvfs/Makefile
2624 lustre/lvfs/autoMakefile
2626 lustre/mdc/autoMakefile
2628 lustre/lmv/autoMakefile
2630 lustre/mds/autoMakefile
2632 lustre/mdt/autoMakefile
2634 lustre/cmm/autoMakefile
2636 lustre/mdd/autoMakefile
2638 lustre/fld/autoMakefile
2639 lustre/obdclass/Makefile
2640 lustre/obdclass/autoMakefile
2641 lustre/obdclass/linux/Makefile
2642 lustre/obdecho/Makefile
2643 lustre/obdecho/autoMakefile
2644 lustre/obdfilter/Makefile
2645 lustre/obdfilter/autoMakefile
2647 lustre/osc/autoMakefile
2649 lustre/ost/autoMakefile
2650 lustre/osd-ldiskfs/Makefile
2651 lustre/osd-ldiskfs/autoMakefile
2653 lustre/mgc/autoMakefile
2655 lustre/mgs/autoMakefile
2656 lustre/ptlrpc/Makefile
2657 lustre/ptlrpc/autoMakefile
2658 lustre/ptlrpc/gss/Makefile
2659 lustre/ptlrpc/gss/autoMakefile
2660 lustre/quota/Makefile
2661 lustre/quota/autoMakefile
2662 lustre/scripts/Makefile
2663 lustre/tests/Makefile
2664 lustre/tests/mpi/Makefile
2665 lustre/utils/Makefile
2666 lustre/utils/gss/Makefile
2667 lustre/obdclass/darwin/Makefile