4 # Wrapper for AC_CONFIG_SUBDIR
6 AC_DEFUN([LC_CONFIG_SRCDIR],
7 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
15 # lustre specific paths
17 AC_DEFUN([LC_PATH_DEFAULTS],
18 [# ptlrpc kernel build requires this
26 demodir='$(docdir)/demo'
29 pkgexampledir='${pkgdatadir}/examples'
30 AC_SUBST(pkgexampledir)
36 # is the target os supported?
38 AC_DEFUN([LC_TARGET_SUPPORTED],
50 # LC_CONFIG_OBD_BUFFER_SIZE
52 # the maximum buffer size of lctl ioctls
54 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
55 [AC_MSG_CHECKING([maximum OBD ioctl size])
56 AC_ARG_WITH([obd-buffer-size],
57 AC_HELP_STRING([--with-obd-buffer-size=[size]],
58 [set lctl ioctl maximum bytes (default=8192)]),
60 OBD_BUFFER_SIZE=$with_obd_buffer_size
64 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
65 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
71 AC_DEFUN([LC_READLINK_SSIZE_T],
72 [AC_MSG_CHECKING([if readlink returns ssize_t])
76 ssize_t readlink(const char *, char *, size_t);
79 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
86 # LC_FUNC_DEV_SET_RDONLY
88 # check whether dev_set_rdonly is exported. This is needed until we
89 # have another mechanism to fence IO from the underlying device.
91 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
92 [LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
93 [block/ll_rw_block.c,block/blk-core.c],[
94 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
96 AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
101 # Ensure stack size big than 8k in Lustre server (all kernels)
103 AC_DEFUN([LC_STACK_SIZE],
104 [AC_MSG_CHECKING([stack size big than 8k])
105 LB_LINUX_TRY_COMPILE([
106 #include <linux/thread_info.h>
108 #if THREAD_SIZE < 8192
109 #error "stack size < 8192"
114 AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
119 # Allow the user to set the MDS thread upper limit
121 AC_DEFUN([LC_MDS_MAX_THREADS],
123 AC_ARG_WITH([mds_max_threads],
124 AC_HELP_STRING([--with-mds-max-threads=size],
125 [define the maximum number of threads available on the MDS: (default=512)]),
127 MDS_THREAD_COUNT=$with_mds_max_threads
128 AC_DEFINE_UNQUOTED(MDT_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of mdt threads])
135 # the pinger is temporary, until we have the recovery node in place
137 AC_DEFUN([LC_CONFIG_PINGER],
138 [AC_MSG_CHECKING([whether to enable pinger support])
139 AC_ARG_ENABLE([pinger],
140 AC_HELP_STRING([--disable-pinger],
141 [disable recovery pinger support]),
142 [],[enable_pinger='yes'])
143 AC_MSG_RESULT([$enable_pinger])
144 if test x$enable_pinger != xno ; then
145 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
152 # do checksum of bulk data between client and OST
154 AC_DEFUN([LC_CONFIG_CHECKSUM],
155 [AC_MSG_CHECKING([whether to enable data checksum support])
156 AC_ARG_ENABLE([checksum],
157 AC_HELP_STRING([--disable-checksum],
158 [disable data checksum support]),
159 [],[enable_checksum='yes'])
160 AC_MSG_RESULT([$enable_checksum])
161 if test x$enable_checksum != xno ; then
162 AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
167 # LC_CONFIG_LIBLUSTRE_RECOVERY
169 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
170 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
171 AC_ARG_ENABLE([liblustre-recovery],
172 AC_HELP_STRING([--disable-liblustre-recovery],
173 [disable liblustre recovery support]),
174 [],[enable_liblustre_recovery='yes'])
175 AC_MSG_RESULT([$enable_liblustre_recovery])
176 if test x$enable_liblustre_recovery != xno ; then
177 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
182 # LC_CONFIG_HEALTH_CHECK_WRITE
184 # Turn off the actual write to the disk
186 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
187 [AC_MSG_CHECKING([whether to enable a write with the health check])
188 AC_ARG_ENABLE([health_write],
189 AC_HELP_STRING([--enable-health_write],
190 [enable disk writes when doing health check]),
191 [],[enable_health_write='no'])
192 AC_MSG_RESULT([$enable_health_write])
193 if test x$enable_health_write != xno ; then
194 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
198 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
199 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
200 AC_ARG_ENABLE([lru_resize],
201 AC_HELP_STRING([--enable-lru-resize],
202 [enable lru resize support]),
203 [],[enable_lru_resize='yes'])
204 AC_MSG_RESULT([$enable_lru_resize])
205 if test x$enable_lru_resize != xno; then
206 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
211 # Quota support. The kernel must support CONFIG_QUOTA.
213 AC_DEFUN([LC_QUOTA_CONFIG],
214 [LB_LINUX_CONFIG_IM([QUOTA],[AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [support quota])],[
215 AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
219 # truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
220 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
221 # delete_from_page_cache() is exported from 2.6.39
222 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
223 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
225 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
226 [kernel export truncate_complete_page])])
227 LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
229 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
230 [kernel export remove_from_page_cache])])
231 LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
233 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
234 [kernel export delete_from_page_cache])])
237 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
238 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
240 AC_DEFINE(HAVE_D_REHASH_COND, 1,
241 [d_rehash_cond is exported by the kernel])
246 AC_DEFUN([LC_EXPORT___D_REHASH],
247 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
249 AC_DEFINE(HAVE___D_REHASH, 1,
250 [__d_rehash is exported by the kernel])
255 # The actual symbol exported varies among architectures, so we need
256 # to check many symbols (but only in the current architecture.) No
257 # matter what symbol is exported, the kernel #defines node_to_cpumask
258 # to the appropriate function and that's what we use.
259 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
260 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
261 [arch/$LINUX_ARCH/mm/numa.c],
262 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
263 [node_to_cpumask is exported by
264 the kernel])]) # x86_64
265 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
266 [arch/$LINUX_ARCH/kernel/smpboot.c],
267 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
268 [node_to_cpumask is exported by
269 the kernel])]) # ia64
270 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
271 [arch/$LINUX_ARCH/kernel/smpboot.c],
272 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
273 [node_to_cpumask is exported by
274 the kernel])]) # i386
279 # between 2.6.5 - 2.6.22 filemap_populate is exported in some kernels
281 AC_DEFUN([LC_FILEMAP_POPULATE],
282 [AC_MSG_CHECKING([for exported filemap_populate])
283 LB_LINUX_TRY_COMPILE([
284 #include <asm/page.h>
285 #include <linux/mm.h>
287 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
290 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
299 AC_DEFUN([LC_BIT_SPINLOCK_H],
300 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
301 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
302 LB_LINUX_TRY_COMPILE([
303 #include <asm/processor.h>
304 #include <linux/spinlock.h>
305 #include <linux/bit_spinlock.h>
308 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
319 AC_DEFUN([LC_CONST_ACL_SIZE],
320 [AC_MSG_CHECKING([calc acl size])
322 CFLAGS="$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"
325 #include <linux/types.h>
328 #define __LINUX_POSIX_ACL_H
330 #ifdef CONFIG_FS_POSIX_ACL
331 # include <linux/posix_acl_xattr.h>
338 /* LUSTRE_POSIX_ACL_MAX_ENTRIES = 32 */
339 int size = posix_acl_xattr_size(32);
340 FILE *f = fopen("acl.size","w+");
341 fprintf(f,"%d", size);
347 acl_size=`cat acl.size`
348 AC_MSG_RESULT([ACL size $acl_size])
349 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
351 AC_ERROR([ACL size can't be computed])
353 AC_MSG_RESULT([can't check ACL size, make it 260])
354 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE,260)
362 AC_DEFUN([LC_CAPA_CRYPTO],
363 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
364 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
366 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
367 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
369 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
370 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
375 # LC_CONFIG_RMTCLIENT
378 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
380 AC_DEFUN([LC_CONFIG_RMTCLIENT],
381 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
382 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
387 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
389 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
390 [AC_MSG_CHECKING([whether to enable gss keyring backend])
391 AC_ARG_ENABLE([gss_keyring],
392 [AC_HELP_STRING([--disable-gss-keyring],
393 [disable gss keyring backend])],
394 [],[enable_gss_keyring='yes'])
395 AC_MSG_RESULT([$enable_gss_keyring])
397 if test x$enable_gss_keyring != xno; then
398 LB_LINUX_CONFIG_IM([KEYS],[],
399 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
401 AC_CHECK_LIB([keyutils], [keyctl_search], [],
402 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
404 AC_DEFINE([HAVE_GSS_KEYRING], [1],
405 [Define this if you enable gss keyring backend])
409 AC_DEFUN([LC_CONFIG_SUNRPC],
410 [LB_LINUX_CONFIG_IM([SUNRPC],[],
411 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
415 # LC_CONFIG_GSS (default disabled)
417 # Build gss and related tools of Lustre. Currently both kernel and user space
418 # parts are depend on linux platform.
420 AC_DEFUN([LC_CONFIG_GSS],
421 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
423 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
424 [],[enable_gss='no'])
425 AC_MSG_RESULT([$enable_gss])
427 if test x$enable_gss == xyes; then
428 LC_CONFIG_GSS_KEYRING
431 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
433 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
434 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
435 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
436 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
437 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
438 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
439 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
440 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
442 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
443 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
444 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
445 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
446 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
448 AC_SUBST(GSSAPI_LIBS)
454 AC_DEFUN([LC_QUOTA_READ],
455 [AC_MSG_CHECKING([if kernel supports quota_read])
456 LB_LINUX_TRY_COMPILE([
457 #include <linux/fs.h>
459 struct super_operations sp;
460 void *i = (void *)sp.quota_read;
463 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
470 # LC_COOKIE_FOLLOW_LINK
472 # kernel 2.6.13+ ->follow_link returns a cookie
474 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
475 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
476 LB_LINUX_TRY_COMPILE([
477 #include <linux/fs.h>
478 #include <linux/namei.h>
480 struct dentry *dentry = NULL;
483 dentry->d_inode->i_op->put_link(dentry, &nd, NULL);
485 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
495 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
496 # call_rcu takes three parameters.
498 AC_DEFUN([LC_FUNC_RCU],
499 [AC_MSG_CHECKING([if kernel have RCU supported])
500 LB_LINUX_TRY_COMPILE([
501 #include <linux/rcupdate.h>
503 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
506 AC_MSG_CHECKING([if call_rcu takes three parameters])
507 LB_LINUX_TRY_COMPILE([
508 #include <linux/rcupdate.h>
511 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
513 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
524 AC_DEFUN([LC_PERCPU_COUNTER],
525 [AC_MSG_CHECKING([if have struct percpu_counter defined])
526 LB_LINUX_TRY_COMPILE([
527 #include <linux/percpu_counter.h>
529 AC_DEFINE(HAVE_PERCPU_COUNTER, 1, [percpu_counter found])
532 AC_MSG_CHECKING([if percpu_counter_inc takes the 2nd argument])
533 LB_LINUX_TRY_COMPILE([
534 #include <linux/percpu_counter.h>
536 struct percpu_counter c;
537 percpu_counter_init(&c, 0);
539 AC_DEFINE(HAVE_PERCPU_2ND_ARG, 1, [percpu_counter_init has two
550 AC_DEFUN([LC_TASK_CLENV_STORE],
552 AC_MSG_CHECKING([if we can store cl_env in task_struct])
553 if test x$have_task_clenv_store != xyes ; then
554 LC_TASK_CLENV_TUX_INFO
560 AC_DEFUN([LC_S_TIME_GRAN],
561 [AC_MSG_CHECKING([if super block has s_time_gran member])
562 LB_LINUX_TRY_COMPILE([
563 #include <linux/fs.h>
565 struct super_block *sb = NULL;
567 return sb->s_time_gran;
570 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
576 AC_DEFUN([LC_SB_TIME_GRAN],
577 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
578 LB_LINUX_TRY_COMPILE([
579 #include <linux/fs.h>
581 return get_sb_time_gran(NULL);
584 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
592 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
593 AC_DEFUN([LC_RW_TREE_LOCK],
594 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
595 tmp_flags="$EXTRA_KCFLAGS"
596 EXTRA_KCFLAGS="-Werror"
597 LB_LINUX_TRY_COMPILE([
598 #include <linux/fs.h>
600 struct address_space a;
602 write_lock(&a.tree_lock);
605 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
609 EXTRA_KCFLAGS="$tmp_flags"
615 # after 2.6.15 inode have i_mutex intead of i_sem
616 AC_DEFUN([LC_INODE_I_MUTEX],
617 [AC_MSG_CHECKING([if inode has i_mutex ])
618 LB_LINUX_TRY_COMPILE([
619 #include <linux/mutex.h>
620 #include <linux/fs.h>
625 mutex_unlock(&i.i_mutex);
628 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
629 [after 2.6.15 inode have i_mutex intead of i_sem])
637 # LC_SECURITY_PLUG # for SLES10 SP2
638 # check security plug in sles10 sp2 kernel
639 AC_DEFUN([LC_SECURITY_PLUG],
640 [AC_MSG_CHECKING([If kernel has security plug support])
641 LB_LINUX_TRY_COMPILE([
642 #include <linux/fs.h>
643 #include <linux/stddef.h>
645 notify_change(NULL, NULL, NULL);
648 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
649 [SLES10 SP2 use extra parameter in vfs])
657 # inode have i_private field since 2.6.17
658 AC_DEFUN([LC_INODE_IPRIVATE],
659 [AC_MSG_CHECKING([if inode has a i_private field])
660 LB_LINUX_TRY_COMPILE([
661 #include <linux/fs.h>
667 AC_DEFINE(HAVE_INODE_IPRIVATE, 1,
668 [struct inode has i_private field])
675 # after 2.6.17 dquote use mutex instead if semaphore
676 AC_DEFUN([LC_DQUOTOFF_MUTEX],
677 [AC_MSG_CHECKING([use dqonoff_mutex])
678 LB_LINUX_TRY_COMPILE([
679 #include <linux/mutex.h>
680 #include <linux/fs.h>
681 #include <linux/quota.h>
683 struct quota_info dq;
685 mutex_unlock(&dq.dqonoff_mutex);
688 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
689 [after 2.6.17 dquote use mutex instead if semaphore])
698 # 2.6.18 don't export nr_pagecahe
699 AC_DEFUN([LC_NR_PAGECACHE],
700 [AC_MSG_CHECKING([kernel export nr_pagecache])
701 LB_LINUX_TRY_COMPILE([
702 #include <linux/pagemap.h>
704 return atomic_read(&nr_pagecache);
707 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
708 [is kernel export nr_pagecache])
715 # LC_STATFS_DENTRY_PARAM
716 # starting from 2.6.18 linux kernel uses dentry instead of super_block
717 # for the first parameter of the super_operations->statfs() callback.
720 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
721 [AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
722 tmp_flags="$EXTRA_KCFLAGS"
723 EXTRA_KCFLAGS="-Werror"
724 LB_LINUX_TRY_COMPILE([
725 #include <linux/fs.h>
727 ((struct super_operations *)0)->statfs((struct dentry *)0, (struct kstatfs*)0);
729 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
730 [super_ops.statfs() first parameter is dentry])
735 EXTRA_KCFLAGS="$tmp_flags"
738 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
739 # 2.6.18~2.6.25 umount_begin has different parameters
740 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
741 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
742 tmp_flags="$EXTRA_KCFLAGS"
743 EXTRA_KCFLAGS="-Werror"
744 LB_LINUX_TRY_COMPILE([
745 #include <linux/fs.h>
748 static void cfg_umount_begin (struct vfsmount *v, int flags)
753 static struct super_operations cfg_super_operations = {
754 .umount_begin = cfg_umount_begin,
757 cfg_super_operations.umount_begin(NULL,0);
760 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
761 [Define umount_begin need second argument])
765 EXTRA_KCFLAGS="$tmp_flags"
769 # starting from 2.6.18 the file_operations .flush
770 # method has a new "fl_owner_t id" parameter
772 AC_DEFUN([LC_FLUSH_OWNER_ID],
773 [AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
774 LB_LINUX_TRY_COMPILE([
775 #include <linux/fs.h>
777 struct file_operations *fops = NULL;
778 fl_owner_t id = NULL;
781 i = fops->flush(NULL, id);
783 AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
784 [file_operations .flush method has an fl_owner_t id])
792 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
794 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
795 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
797 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
798 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
799 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
800 [exported invalidate_mapping_pages])],
801 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
802 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
803 [exported invalidate_inode_pages])], [
804 AC_MSG_ERROR([no way to invalidate pages])
809 #2.6.18 + RHEL5 (fc6)
811 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
812 AC_DEFUN([LC_PG_FS_MISC],
813 [AC_MSG_CHECKING([kernel has PG_fs_misc])
814 LB_LINUX_TRY_COMPILE([
815 #include <linux/mm.h>
816 #include <linux/page-flags.h>
819 #error PG_fs_misc not defined in kernel
823 AC_DEFINE(HAVE_PG_FS_MISC, 1,
824 [is kernel have PG_fs_misc])
830 # RHEL5 PageChecked and SetPageChecked defined
831 AC_DEFUN([LC_PAGE_CHECKED],
832 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
833 LB_LINUX_TRY_COMPILE([
834 #include <linux/mm.h>
835 #ifdef HAVE_LINUX_MMTYPES_H
836 #include <linux/mm_types.h>
838 #include <linux/page-flags.h>
840 struct page *p = NULL;
842 /* before 2.6.26 this define*/
844 /* 2.6.26 use function instead of define for it */
850 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
851 [does kernel have PageChecked and SetPageChecked])
860 # If we have fiemap.h
861 # after 2.6.27 use fiemap.h in include/linux
863 AC_DEFUN([LC_LINUX_FIEMAP_H],
864 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
865 AC_MSG_CHECKING([if fiemap.h can be compiled])
866 LB_LINUX_TRY_COMPILE([
867 #include <linux/types.h>
868 #include <linux/fiemap.h>
871 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
882 # inode don't have i_blksize field
883 AC_DEFUN([LC_INODE_BLKSIZE],
884 [AC_MSG_CHECKING([inode has i_blksize field])
885 LB_LINUX_TRY_COMPILE([
886 #include <linux/fs.h>
892 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
893 [struct inode has i_blksize field])
900 # 2.6.19 replaced writev with aio_write
901 AC_DEFUN([LC_FILE_WRITEV],
902 [AC_MSG_CHECKING([writev in fops])
903 LB_LINUX_TRY_COMPILE([
904 #include <linux/fs.h>
906 struct file_operations *fops = NULL;
910 AC_DEFINE(HAVE_FILE_WRITEV, 1,
918 # 2.6.19 replaced readv with aio_read
919 AC_DEFUN([LC_FILE_READV],
920 [AC_MSG_CHECKING([readv in fops])
921 LB_LINUX_TRY_COMPILE([
922 #include <linux/fs.h>
924 struct file_operations *fops = NULL;
928 AC_DEFINE(HAVE_FILE_READV, 1,
937 # LC_CANCEL_DIRTY_PAGE
938 # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
939 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
940 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
941 # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
942 # backport is broken, so ignore it
943 if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
944 test "$(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
947 LB_LINUX_TRY_COMPILE([
948 #include <linux/mm.h>
949 #include <linux/page-flags.h>
951 cancel_dirty_page(NULL, 0);
954 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
955 [kernel has cancel_dirty_page instead of clear_page_dirty])
962 # raid5-zerocopy patch
967 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
968 # it support constant page, which means the page won't be modified during the
971 AC_DEFUN([LC_PAGE_CONSTANT],
972 [AC_MSG_CHECKING([if kernel have PageConstant defined])
973 LB_LINUX_TRY_COMPILE([
974 #include <linux/mm.h>
975 #include <linux/page-flags.h>
978 #error "Have no raid5 zcopy patch"
982 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
990 # 2.6.22 lost second parameter for invalidate_bdev
991 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
992 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
993 LB_LINUX_TRY_COMPILE([
994 #include <linux/buffer_head.h>
996 invalidate_bdev(NULL,0);
999 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1000 [invalidate_bdev has second argument])
1007 # check for crypto API
1009 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1010 [AC_MSG_CHECKING([if kernel has block cipher support])
1011 LB_LINUX_TRY_COMPILE([
1012 #include <linux/err.h>
1013 #include <linux/crypto.h>
1015 struct crypto_blkcipher *tfm;
1016 tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
1018 AC_MSG_RESULT([yes])
1019 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1026 # check for struct hash_desc
1028 AC_DEFUN([LC_STRUCT_HASH_DESC],
1029 [AC_MSG_CHECKING([if kernel has struct hash_desc])
1030 LB_LINUX_TRY_COMPILE([
1031 #include <linux/err.h>
1032 #include <linux/crypto.h>
1034 struct hash_desc foo __attribute__ ((unused));
1036 AC_MSG_RESULT([yes])
1037 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
1044 # check for struct blkcipher_desc
1046 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
1047 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
1048 LB_LINUX_TRY_COMPILE([
1049 #include <linux/err.h>
1050 #include <linux/crypto.h>
1052 struct blkcipher_desc foo __attribute__ ((unused));
1054 AC_MSG_RESULT([yes])
1055 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
1062 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
1064 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
1065 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
1066 LB_LINUX_TRY_COMPILE([
1067 #include <linux/fs.h>
1069 int v __attribute__ ((unused));
1070 v = FS_RENAME_DOES_D_MOVE;
1072 AC_MSG_RESULT([yes])
1073 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
1081 # 2.6.23 have return type 'void' for unregister_blkdev
1082 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1083 [AC_MSG_CHECKING([if unregister_blkdev return int])
1084 LB_LINUX_TRY_COMPILE([
1085 #include <linux/fs.h>
1087 int i __attribute__ ((unused));
1088 i = unregister_blkdev(0,NULL);
1090 AC_MSG_RESULT([yes])
1091 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1092 [unregister_blkdev return int])
1098 # 2.6.23 change .sendfile to .splice_read
1099 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1100 [AC_MSG_CHECKING([if kernel has .splice_read])
1101 LB_LINUX_TRY_COMPILE([
1102 #include <linux/fs.h>
1104 struct file_operations file;
1106 file.splice_read = NULL;
1108 AC_MSG_RESULT([yes])
1109 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1110 [kernel has .slice_read])
1116 # 2.6.23 change .sendfile to .splice_read
1117 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
1118 AC_DEFUN([LC_KERNEL_SENDFILE],
1119 [AC_MSG_CHECKING([if kernel has .sendfile])
1120 LB_LINUX_TRY_COMPILE([
1121 #include <linux/fs.h>
1123 struct file_operations file;
1125 file.sendfile = NULL;
1127 AC_MSG_RESULT([yes])
1128 AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
1129 [kernel has .sendfile])
1135 # 2.6.23 extract nfs export related data into exportfs.h
1136 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1137 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
1138 AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
1139 [kernel has include/exportfs.h])
1145 # 2.6.23 has new page fault handling API
1146 AC_DEFUN([LC_VM_OP_FAULT],
1147 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
1148 LB_LINUX_TRY_COMPILE([
1149 #include <linux/mm.h>
1151 struct vm_operations_struct op;
1155 AC_MSG_RESULT([yes])
1156 AC_DEFINE(HAVE_VM_OP_FAULT, 1,
1157 [kernel has .fault in vm_operation_struct])
1163 # 2.6.23 add code to wait other users to complete before removing procfs entry
1164 AC_DEFUN([LC_PROCFS_USERS],
1165 [AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
1166 LB_LINUX_TRY_COMPILE([
1167 #include <linux/proc_fs.h>
1169 struct proc_dir_entry pde;
1173 AC_MSG_RESULT([yes])
1174 AC_DEFINE(HAVE_PROCFS_USERS, 1,
1175 [kernel has pde_users member in procfs entry struct])
1181 # 2.6.23 exports exportfs_decode_fh
1182 AC_DEFUN([LC_EXPORTFS_DECODE_FH],
1183 [LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
1184 [fs/exportfs/expfs.c],[
1185 AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
1186 [exportfs_decode_fh has been export])
1193 # 2.6.24 need linux/mm_types.h included
1194 AC_DEFUN([LC_HAVE_MMTYPES_H],
1195 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
1196 AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
1197 [kernel has include/mm_types.h])
1203 # 2.6.24 has bio_endio with 2 args
1204 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1205 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1206 LB_LINUX_TRY_COMPILE([
1207 #include <linux/bio.h>
1211 AC_MSG_RESULT([yes])
1212 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1213 [kernel has bio_endio with 2 args])
1219 # 2.6.24 has new members in exports struct.
1220 AC_DEFUN([LC_FH_TO_DENTRY],
1221 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1222 LB_LINUX_TRY_COMPILE([
1223 #include <linux/fs.h>
1224 #ifdef HAVE_LINUX_EXPORTFS_H
1225 #include <linux/exportfs.h>
1228 do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
1230 AC_MSG_RESULT([yes])
1231 AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1232 [kernel has .fh_to_dentry member in export_operations struct])
1238 # 2.6.24 removes long aged procfs entry -> deleted member
1239 AC_DEFUN([LC_PROCFS_DELETED],
1240 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1241 LB_LINUX_TRY_COMPILE([
1242 #include <linux/proc_fs.h>
1244 struct proc_dir_entry pde;
1246 pde.deleted = sizeof(pde);
1248 AC_MSG_RESULT([yes])
1249 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1250 [kernel has deleted member in procfs entry struct])
1256 # 2.6.24 has bdi_init()/bdi_destroy() functions.
1257 AC_DEFUN([LC_EXPORT_BDI_INIT],
1258 [LB_CHECK_SYMBOL_EXPORT([bdi_init],
1259 [mm/backing-dev.c],[
1260 AC_DEFINE(HAVE_BDI_INIT, 1,
1261 [bdi_init/bdi_destroy functions are present])
1268 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1269 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1270 [AC_MSG_CHECKING([fs_struct use path structure])
1271 LB_LINUX_TRY_COMPILE([
1272 #include <asm/atomic.h>
1273 #include <linux/spinlock.h>
1274 #include <linux/fs_struct.h>
1276 struct fs_struct fs;
1278 fs.pwd = *((struct path *)sizeof(fs));
1280 AC_MSG_RESULT([yes])
1281 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1282 [fs_struct use path structure])
1292 AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT],
1293 [AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *])
1294 tmp_flags="$EXTRA_KCFLAGS"
1295 EXTRA_KCFLAGS="-Werror"
1296 LB_LINUX_TRY_COMPILE([
1297 #include <linux/mm.h>
1299 ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0);
1301 AC_MSG_RESULT([yes])
1302 AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1,
1303 [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter])
1307 EXTRA_KCFLAGS="$tmp_flags"
1310 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1311 [AC_MSG_CHECKING([inode_operations->permission has two args])
1312 LB_LINUX_TRY_COMPILE([
1313 #include <linux/fs.h>
1315 struct inode *inode __attribute__ ((unused));
1318 inode->i_op->permission(NULL, 0);
1320 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1321 [inode_operations->permission has two args])
1322 AC_MSG_RESULT([yes])
1328 # 2.6.27 has file_remove_suid instead of remove_suid
1329 AC_DEFUN([LC_FILE_REMOVE_SUID],
1330 [AC_MSG_CHECKING([kernel has file_remove_suid])
1331 LB_LINUX_TRY_COMPILE([
1332 #include <linux/fs.h>
1334 file_remove_suid(NULL);
1336 AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1337 [kernel have file_remove_suid])
1338 AC_MSG_RESULT([yes])
1344 # 2.6.27 have new page locking API
1345 AC_DEFUN([LC_TRYLOCKPAGE],
1346 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1347 LB_LINUX_TRY_COMPILE([
1348 #include <linux/pagemap.h>
1352 AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1353 [kernel uses trylock_page for page lock])
1354 AC_MSG_RESULT([yes])
1360 # 2.6.27 removed the read_inode from super_operations.
1361 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1362 [AC_MSG_CHECKING([super_operations has a read_inode field])
1363 LB_LINUX_TRY_COMPILE([
1364 #include <linux/fs.h>
1366 struct super_operations *sop;
1367 sop->read_inode(NULL);
1369 AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1370 [super_operations has a read_inode])
1371 AC_MSG_RESULT([yes])
1377 # 2.6.27 has inode_permission instead of permisson
1378 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1379 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1381 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1382 [inode_permission is exported by the kernel])
1387 # 2.6.27 use 5th parameter in quota_on for remount.
1388 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1389 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1390 LB_LINUX_TRY_COMPILE([
1391 #include <linux/fs.h>
1392 #include <linux/quota.h>
1394 struct quotactl_ops *qop = NULL;
1395 qop->quota_on(NULL, 0, 0, NULL, 0);
1397 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1398 [quota_on needs 5 paramters])
1399 AC_MSG_RESULT([yes])
1405 # 2.6.27 use 3th parameter in quota_off for remount.
1406 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1407 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1408 LB_LINUX_TRY_COMPILE([
1409 #include <linux/fs.h>
1410 #include <linux/quota.h>
1412 struct quotactl_ops *qop = NULL;
1413 qop->quota_off(NULL, 0, 0);
1415 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1416 [quota_off needs 3 paramters])
1417 AC_MSG_RESULT([yes])
1423 # 2.6.27 has vfs_dq_off inline function.
1424 AC_DEFUN([LC_VFS_DQ_OFF],
1425 [AC_MSG_CHECKING([vfs_dq_off is defined])
1426 LB_LINUX_TRY_COMPILE([
1427 #include <linux/quotaops.h>
1429 vfs_dq_off(NULL, 0);
1431 AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1432 AC_MSG_RESULT([yes])
1438 # LC_LOCK_MAP_ACQUIRE
1439 # after 2.6.27 lock_map_acquire replaces lock_acquire
1440 AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
1441 [AC_MSG_CHECKING([if lock_map_acquire is defined])
1442 LB_LINUX_TRY_COMPILE([
1443 #include <linux/lockdep.h>
1445 lock_map_acquire(NULL);
1448 AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
1449 [lock_map_acquire is defined])
1455 # 2.6.27.15-2 sles11
1457 # 2.6.27 sles11 remove the bi_hw_segments
1458 AC_DEFUN([LC_BI_HW_SEGMENTS],
1459 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1460 LB_LINUX_TRY_COMPILE([
1461 #include <linux/bio.h>
1464 io.bi_hw_segments = sizeof(io);
1466 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1467 [struct bio has a bi_hw_segments field])
1468 AC_MSG_RESULT([yes])
1475 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
1476 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
1477 AC_DEFUN([LC_HAVE_QUOTAIO_H],
1478 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
1479 AC_DEFINE(HAVE_QUOTAIO_H, 1,
1480 [kernel has include/linux/quotaio_v2.h])
1481 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
1482 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
1483 [kernel has fs/quotaio_v1.h])
1484 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
1485 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
1486 [kernel has fs/quota/quotaio_v2.h])
1494 # 2.6.27 sles11 has sb_any_quota_active
1495 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1496 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1497 LB_LINUX_TRY_COMPILE([
1498 #include <linux/quotaops.h>
1500 sb_any_quota_active(NULL);
1502 AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1503 [Kernel has a sb_any_quota_active])
1504 AC_MSG_RESULT([yes])
1510 # 2.6.27 sles11 has sb_has_quota_active
1511 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1512 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1513 LB_LINUX_TRY_COMPILE([
1514 #include <linux/quotaops.h>
1516 sb_has_quota_active(NULL, 0);
1518 AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1519 [Kernel has a sb_has_quota_active])
1520 AC_MSG_RESULT([yes])
1526 # 2.6.27 exported add_to_page_cache_lru.
1527 AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
1528 [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1530 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1531 [add_to_page_cache_lru functions are present])
1537 # 2.6.29 introduce sb_any_quota_loaded.
1539 AC_DEFUN([LC_SB_ANY_QUOTA_LOADED],
1540 [AC_MSG_CHECKING([Kernel has sb_any_quota_loaded])
1541 LB_LINUX_TRY_COMPILE([
1542 #include <linux/quotaops.h>
1544 sb_any_quota_loaded(NULL);
1546 AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1,
1547 [Kernel has a sb_any_quota_loaded])
1548 AC_MSG_RESULT([yes])
1554 # 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
1555 AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
1556 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
1557 [arch/$LINUX_ARCH/mm/numa.c],
1558 [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
1559 [node_to_cpumask_map is exported by
1560 the kernel])]) # x86_64
1563 # 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
1564 AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
1565 [AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
1566 LB_LINUX_TRY_COMPILE([
1567 #include <linux/blkdev.h>
1569 blk_queue_logical_block_size(NULL, 0);
1572 AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
1573 [blk_queue_logical_block_size is defined])
1581 # 2.6.32 changes cache_detail's member cache_request to cache_upcall
1582 # in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe
1583 AC_DEFUN([LC_CACHE_UPCALL],
1584 [AC_MSG_CHECKING([if cache_detail has cache_upcall field])
1585 LB_LINUX_TRY_COMPILE([
1586 #include <linux/sunrpc/cache.h>
1588 struct cache_detail cd;
1589 cd.cache_upcall = NULL;
1592 AC_DEFINE(HAVE_CACHE_UPCALL, 1,
1593 [cache_detail has cache_upcall field])
1599 # 2.6.32 add a limits member in struct request_queue.
1600 AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
1601 [AC_MSG_CHECKING([if request_queue has a limits field])
1602 LB_LINUX_TRY_COMPILE([
1603 #include <linux/blkdev.h>
1605 struct request_queue rq;
1606 rq.limits.io_min = 0;
1609 AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1,
1610 [request_queue has a limits field])
1616 # 2.6.32 has bdi_register() functions.
1617 AC_DEFUN([LC_EXPORT_BDI_REGISTER],
1618 [LB_CHECK_SYMBOL_EXPORT([bdi_register],
1619 [mm/backing-dev.c],[
1620 AC_DEFINE(HAVE_BDI_REGISTER, 1,
1621 [bdi_register function is present])
1626 # 2.6.32 add s_bdi for super block
1627 AC_DEFUN([LC_SB_BDI],
1628 [AC_MSG_CHECKING([if super_block has s_bdi field])
1629 LB_LINUX_TRY_COMPILE([
1630 #include <linux/fs.h>
1632 struct super_block sb;
1636 AC_DEFINE(HAVE_SB_BDI, 1,
1637 [super_block has s_bdi field])
1643 # 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
1644 AC_DEFUN([LC_BDI_NAME],
1645 [AC_MSG_CHECKING([if backing_device_info has name field])
1646 LB_LINUX_TRY_COMPILE([
1647 #include <linux/blkkdev.h>
1649 struct backing_dev_info bdi;
1653 AC_DEFINE(HAVE_BDI_NAME, 1,
1654 [backing_device_info has name field])
1660 # 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
1661 # check blk_queue_max_sectors and use it until disappear.
1662 AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
1663 [AC_MSG_CHECKING([if blk_queue_max_sectors is defined])
1664 LB_LINUX_TRY_COMPILE([
1665 #include <linux/blkdev.h>
1667 blk_queue_max_sectors(NULL, 0);
1670 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
1671 [blk_queue_max_sectors is defined])
1677 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
1678 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
1679 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
1680 LB_LINUX_TRY_COMPILE([
1681 #include <linux/blkdev.h>
1683 blk_queue_max_segments(NULL, 0);
1686 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
1687 [blk_queue_max_segments is defined])
1696 # Check if kernel has been patched for 64-bit quota limits support.
1697 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
1698 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
1699 # that in the absence of quotaio_v1.h in the kernel headers.
1701 AC_DEFUN([LC_QUOTA64],[
1702 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
1703 tmp_flags="$EXTRA_KCFLAGS"
1704 EXTRA_KCFLAGS="-I$LINUX/fs"
1705 LB_LINUX_TRY_COMPILE([
1706 #include <linux/kernel.h>
1707 #include <linux/fs.h>
1708 #ifdef HAVE_QUOTAIO_H
1709 # include <linux/quotaio_v2.h>
1710 int versions[] = V2_INITQVERSIONS_R1;
1711 struct v2_disk_dqblk_r1 dqblk_r1;
1712 #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
1713 # include <quota/quotaio_v2.h>
1714 struct v2r1_disk_dqblk dqblk_r1;
1715 #elif defined(HAVE_FS_QUOTAIO_H)
1716 # include <quotaio_v2.h>
1717 struct v2r1_disk_dqblk dqblk_r1;
1719 #include <linux/quota.h>
1720 int ver = QFMT_VFS_V1;
1723 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
1724 AC_MSG_RESULT([yes])
1726 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
1727 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
1731 EXTRA_KCFLAGS=$tmp_flags
1734 # 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
1735 AC_DEFUN([LC_SET_CPUS_ALLOWED],
1736 [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
1737 LB_LINUX_TRY_COMPILE(
1738 [#include <linux/sched.h>],
1739 [struct task_struct *p = NULL;
1740 cpumask_t mask = { { 0 } };
1741 (void) set_cpus_allowed(p, mask);],
1742 [AC_MSG_RESULT([yes])
1743 AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
1744 [set_cpus_allowed is exported by the kernel])],
1745 [AC_MSG_RESULT([no])] )])
1747 # 2.6.32 introduces selinux_is_enabled()
1748 AC_DEFUN([LC_SELINUX_IS_ENABLED],
1749 [AC_MSG_CHECKING([if selinux_is_enabled is available])
1750 LB_LINUX_TRY_COMPILE([
1751 #include <linux/selinux.h>
1753 selinux_is_enabled();
1755 AC_MSG_RESULT([yes])
1756 AC_DEFINE(HAVE_SELINUX_IS_ENABLED, 1,
1757 [selinux_is_enabled is defined])
1765 # starting from 2.6.28 kernel replaces d_alloc_anon() with
1766 # d_obtain_alias() for getting anonymous dentries
1767 # RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not
1769 AC_DEFUN([LC_D_OBTAIN_ALIAS],
1770 [AC_MSG_CHECKING([d_obtain_alias exist in kernel])
1771 LB_LINUX_TRY_COMPILE([
1772 #include <linux/dcache.h>
1774 d_obtain_alias(NULL);
1776 AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
1777 [d_obtain_alias exist in kernel])
1778 AC_MSG_RESULT([yes])
1785 # LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
1787 AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE],
1788 [LB_CHECK_SYMBOL_EXPORT(
1789 [generic_error_remove_page],
1791 [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1,
1792 [kernel export generic_error_remove_page])],
1797 # 2.6.32 if kernel export access_process_vm().
1798 AC_DEFUN([LC_EXPORT_ACCESS_PROCESS_VM],
1799 [LB_CHECK_SYMBOL_EXPORT([access_process_vm],
1801 [AC_DEFINE(HAVE_ACCESS_PROCESS_VM, 1,
1802 [access_process_vm function is present])],
1808 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
1810 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
1811 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
1812 LB_LINUX_TRY_COMPILE([
1813 #include <asm/atomic.h>
1814 #include <linux/spinlock.h>
1815 #include <linux/fs_struct.h>
1817 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
1819 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
1820 [fs_struct.lock use rwlock])
1821 AC_MSG_RESULT([yes])
1828 # 2.6.36 super_operations add evict_inode method. it hybird of
1829 # delete_inode & clear_inode.
1831 AC_DEFUN([LC_SBOPS_EVICT_INODE],
1832 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
1833 LB_LINUX_TRY_COMPILE([
1834 #include <linux/fs.h>
1836 ((struct super_operations *)0)->evict_inode(NULL);
1838 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
1839 [super_operations.evict_inode() is exist in kernel])
1840 AC_MSG_RESULT([yes])
1847 # 2.6.35 file_operations.fsync taken 2 arguments.
1848 # 3.0.0 file_operations.fsync takes 4 arguments.
1850 AC_DEFUN([LC_FILE_FSYNC],
1851 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
1852 LB_LINUX_TRY_COMPILE([
1853 #include <linux/fs.h>
1855 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
1857 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
1858 [file_operations.fsync takes 4 arguments])
1859 AC_MSG_RESULT([yes, 4 args])
1861 LB_LINUX_TRY_COMPILE([
1862 #include <linux/fs.h>
1864 ((struct file_operations *)0)->fsync(NULL, 0);
1866 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
1867 [file_operations.fsync takes 2 arguments])
1868 AC_MSG_RESULT([yes, 2 args])
1876 # 2.6.37 remove kernel_locked
1878 AC_DEFUN([LC_KERNEL_LOCKED],
1879 [AC_MSG_CHECKING([if kernel_locked is defined])
1880 LB_LINUX_TRY_COMPILE([
1881 #include <linux/smp_lock.h>
1885 AC_MSG_RESULT([yes])
1886 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
1887 [kernel_locked is defined])
1894 # 2.6.38 export blkdev_get_by_dev
1896 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
1897 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
1899 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
1900 [blkdev_get_by_dev is exported by the kernel])
1906 # 2.6.38 vfsmount.mnt_count doesn't use atomic_t
1908 AC_DEFUN([LC_ATOMIC_MNT_COUNT],
1909 [AC_MSG_CHECKING([if vfsmount.mnt_count is atomic_t])
1910 LB_LINUX_TRY_COMPILE([
1911 #include <asm/atomic.h>
1912 #include <linux/fs.h>
1913 #include <linux/mount.h>
1915 ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
1917 AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
1918 [vfsmount.mnt_count is atomic_t])
1919 AC_MSG_RESULT([yes])
1926 # 2.6.38 use path as 4th parameter in quota_on.
1928 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
1929 [AC_MSG_CHECKING([quota_on use path as parameter])
1930 tmp_flags="$EXTRA_KCFLAGS"
1931 EXTRA_KCFLAGS="-Werror"
1932 LB_LINUX_TRY_COMPILE([
1933 #include <linux/fs.h>
1934 #include <linux/quota.h>
1936 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
1938 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
1939 [quota_on use path as 4th paramter])
1940 AC_MSG_RESULT([yes])
1944 EXTRA_KCFLAGS="$tmp_flags"
1948 # 2.6.39 remove unplug_fn from request_queue.
1950 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
1951 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
1952 LB_LINUX_TRY_COMPILE([
1953 #include <linux/blkdev.h>
1955 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
1957 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
1958 [request_queue has unplug_fn field])
1959 AC_MSG_RESULT([yes])
1966 # 2.6.38 generic_permission taken 4 paremater.
1967 # in fact, it means rcu-walk aware permission bring.
1969 AC_DEFUN([LC_GENERIC_PERMISSION],
1970 [AC_MSG_CHECKING([if generic_permission take 4 arguments])
1971 LB_LINUX_TRY_COMPILE([
1972 #include <linux/fs.h>
1974 generic_permission(NULL, 0, 0, NULL);
1976 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
1977 [generic_permission taken 4 arguments])
1978 AC_MSG_RESULT([yes])
1985 # 2.6.38 export simple_setattr
1987 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
1988 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
1990 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
1991 [simple_setattr is exported by the kernel])
1999 # Lustre linux kernel checks
2001 AC_DEFUN([LC_PROG_LINUX],
2005 LC_CONFIG_LIBLUSTRE_RECOVERY
2006 LC_CONFIG_HEALTH_CHECK_WRITE
2007 LC_CONFIG_LRU_RESIZE
2008 LC_LLITE_LLOOP_MODULE
2011 LC_EXPORT_TRUNCATE_COMPLETE
2012 LC_EXPORT_D_REHASH_COND
2013 LC_EXPORT___D_REHASH
2014 LC_EXPORT_NODE_TO_CPUMASK
2025 LC_COOKIE_FOLLOW_LINK
2041 LC_SECURITY_PLUG # for SLES10 SP2
2049 LC_STATFS_DENTRY_PARAM
2050 LC_UMOUNTBEGIN_HAS_VFSMOUNT
2052 if test x$enable_server = xyes ; then
2053 LC_EXPORT_INVALIDATE_MAPPING_PAGES
2056 #2.6.18 + RHEL5 (fc6)
2067 LC_CANCEL_DIRTY_PAGE
2069 # raid5-zerocopy patch
2073 LC_INVALIDATE_BDEV_2ARG
2074 LC_ASYNC_BLOCK_CIPHER
2076 LC_STRUCT_BLKCIPHER_DESC
2077 LC_FS_RENAME_DOES_D_MOVE
2080 LC_UNREGISTER_BLKDEV_RETURN_INT
2081 LC_KERNEL_SPLICE_READ
2086 LC_EXPORTFS_DECODE_FH
2096 LC_FS_STRUCT_USE_PATH
2099 LC_PGMKWRITE_USE_VMFAULT
2100 LC_INODE_PERMISION_2ARGS
2103 LC_READ_INODE_IN_SBOPS
2104 LC_EXPORT_INODE_PERMISSION
2110 # 2.6.27.15-2 sles11
2114 LC_SB_ANY_QUOTA_ACTIVE
2115 LC_SB_HAS_QUOTA_ACTIVE
2116 LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
2119 LC_SB_ANY_QUOTA_LOADED
2122 LC_EXPORT_CPUMASK_OF_NODE
2125 LC_BLK_QUEUE_LOG_BLK_SIZE
2128 LC_REQUEST_QUEUE_LIMITS
2129 LC_EXPORT_BDI_REGISTER
2131 LC_BLK_QUEUE_MAX_SECTORS
2132 LC_BLK_QUEUE_MAX_SEGMENTS
2135 LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
2136 LC_SELINUX_IS_ENABLED
2137 LC_EXPORT_ACCESS_PROCESS_VM
2141 LC_EXPORT_SIMPLE_SETATTR
2145 LC_SBOPS_EVICT_INODE
2152 LC_BLKDEV_GET_BY_DEV
2153 LC_GENERIC_PERMISSION
2154 LC_QUOTA_ON_USE_PATH
2157 LC_REQUEST_QUEUE_UNPLUG_FN
2160 if test x$enable_server = xyes ; then
2161 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
2162 LC_FUNC_DEV_SET_RDONLY
2170 # LC_CONFIG_CLIENT_SERVER
2172 # Build client/server sides of Lustre
2174 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
2175 [AC_MSG_CHECKING([whether to build Lustre server support])
2176 AC_ARG_ENABLE([server],
2177 AC_HELP_STRING([--disable-server],
2178 [disable Lustre server support]),
2179 [],[enable_server='yes'])
2180 AC_MSG_RESULT([$enable_server])
2182 AC_MSG_CHECKING([whether to build Lustre client support])
2183 AC_ARG_ENABLE([client],
2184 AC_HELP_STRING([--disable-client],
2185 [disable Lustre client support]),
2186 [],[enable_client='yes'])
2187 AC_MSG_RESULT([$enable_client])])
2190 # LC_CONFIG_LIBLUSTRE
2192 # whether to build liblustre
2194 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
2195 [AC_MSG_CHECKING([whether to build Lustre library])
2196 AC_ARG_ENABLE([liblustre],
2197 AC_HELP_STRING([--disable-liblustre],
2198 [disable building of Lustre library]),
2199 [],[enable_liblustre=$with_sysio])
2200 AC_MSG_RESULT([$enable_liblustre])
2201 # only build sysio if liblustre is built
2202 with_sysio="$enable_liblustre"
2204 AC_MSG_CHECKING([whether to build liblustre tests])
2205 AC_ARG_ENABLE([liblustre-tests],
2206 AC_HELP_STRING([--enable-liblustre-tests],
2207 [enable liblustre tests, if --disable-tests is used]),
2208 [],[enable_liblustre_tests=$enable_tests])
2209 if test x$enable_liblustre != xyes ; then
2210 enable_liblustre_tests='no'
2212 AC_MSG_RESULT([$enable_liblustre_tests])
2214 AC_MSG_CHECKING([whether to enable liblustre acl])
2215 AC_ARG_ENABLE([liblustre-acl],
2216 AC_HELP_STRING([--disable-liblustre-acl],
2217 [disable ACL support for liblustre]),
2218 [],[enable_liblustre_acl=yes])
2219 AC_MSG_RESULT([$enable_liblustre_acl])
2220 if test x$enable_liblustre_acl = xyes ; then
2221 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
2224 # 2.6.29 change prepare/commit_write to write_begin/end
2225 AC_DEFUN([LC_WRITE_BEGIN_END],
2226 [AC_MSG_CHECKING([if kernel has .write_begin/end])
2227 LB_LINUX_TRY_COMPILE([
2228 #include <linux/fs.h>
2229 #include <linux/pagemap.h>
2230 #ifdef HAVE_LINUX_MMTYPES_H
2231 #include <linux/mm_types.h>
2234 struct address_space_operations aops;
2237 aops.write_begin = NULL;
2238 aops.write_end = NULL;
2239 page = grab_cache_page_write_begin(NULL, 0, 0);
2241 AC_MSG_RESULT([yes])
2242 AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
2243 [kernel has .write_begin/end])
2249 # 2.6.29 blkdev_put has 2 arguments
2250 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
2251 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
2252 LB_LINUX_TRY_COMPILE([
2253 #include <linux/fs.h>
2255 blkdev_put(NULL, 0);
2257 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
2258 [blkdev_put needs 2 paramters])
2259 AC_MSG_RESULT([yes])
2265 # 2.6.29 dentry_open has 4 arguments
2266 AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
2267 [AC_MSG_CHECKING([dentry_open needs 4 parameters])
2268 LB_LINUX_TRY_COMPILE([
2269 #include <linux/fs.h>
2271 dentry_open(NULL, NULL, 0, NULL);
2273 AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
2274 [dentry_open needs 4 paramters])
2275 AC_MSG_RESULT([yes])
2281 # 2.6.29 split file and anonymous page queues
2282 AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
2283 [AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
2284 LB_LINUX_TRY_COMPILE([
2285 #include <linux/mm.h>
2286 #include <linux/pagevec.h>
2288 struct pagevec lru_pagevec;
2290 pagevec_init(&lru_pagevec, 0);
2291 pagevec_lru_add_file(&lru_pagevec);
2293 AC_MSG_RESULT([yes])
2294 AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
2295 [kernel has .pagevec_lru_add_file])
2304 AC_ARG_ENABLE(mpitests,
2305 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2306 [include mpi tests]),
2317 MPICC_WRAPPER=$enableval
2327 if test x$enable_mpitests != xno; then
2328 AC_MSG_CHECKING([whether mpitests can be built])
2336 MPI_Initialized(&flag);
2339 AC_MSG_RESULT([yes])
2346 AC_SUBST(MPICC_WRAPPER)
2348 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2349 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2352 LC_CONFIG_LIBLUSTRE_RECOVERY
2358 # whether to enable quota support global control
2360 AC_DEFUN([LC_CONFIG_QUOTA],
2361 [AC_ARG_ENABLE([quota],
2362 AC_HELP_STRING([--enable-quota],
2363 [enable quota support]),
2364 [],[enable_quota='yes'])
2367 AC_DEFUN([LC_QUOTA],
2371 AC_CHECK_HEADER(sys/quota.h,
2372 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2373 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2379 # whether to enable split support
2381 AC_DEFUN([LC_CONFIG_SPLIT],
2382 [AC_MSG_CHECKING([whether to enable split support])
2383 AC_ARG_ENABLE([split],
2384 AC_HELP_STRING([--enable-split],
2385 [enable split support]),
2386 [],[enable_split='no'])
2387 AC_MSG_RESULT([$enable_split])
2388 if test x$enable_split != xno; then
2389 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2393 # RHEL5(2.6.18) has tux_info
2394 AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
2395 [AC_MSG_CHECKING([tux_info])
2396 LB_LINUX_TRY_COMPILE([
2397 #include <linux/sched.h>
2399 struct task_struct task;
2402 AC_MSG_RESULT([yes])
2403 AC_DEFINE(LL_TASK_CL_ENV, tux_info, [have tux_info])
2404 have_task_clenv_store='yes'
2411 # LC_LLITE_LLOOP_MODULE
2412 # lloop_llite.ko does not currently work with page sizes
2415 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
2416 [AC_MSG_CHECKING([whether to enable llite_lloop module])
2417 LB_LINUX_TRY_COMPILE([
2418 #include <asm/page.h>
2420 #if PAGE_SIZE >= 65536
2421 #error "PAGE_SIZE >= 65536"
2424 enable_llite_lloop_module='yes'
2425 AC_MSG_RESULT([yes])
2427 enable_llite_lloop_module='no'
2435 # other configure checks
2437 AC_DEFUN([LC_CONFIGURE],
2438 [LC_CONFIG_OBD_BUFFER_SIZE
2440 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2441 CFLAGS="$CFLAGS -Werror"
2444 # maximum MDS thread count
2447 # include/liblustre.h
2448 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2450 # liblustre/llite_lib.h
2451 AC_CHECK_HEADERS([xtio.h file.h])
2454 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2457 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2458 AC_CHECK_FUNCS([inet_ntoa])
2460 # libsysio/src/readlink.c
2463 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2464 AC_CHECK_HEADERS([linux/random.h], [], [],
2465 [#ifdef HAVE_LINUX_TYPES_H
2466 # include <linux/types.h>
2471 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2473 # check for -lz support
2477 [AC_CHECK_HEADERS([zlib.h],
2479 AC_DEFINE([HAVE_ADLER], 1,
2480 [support alder32 checksum type])],
2481 [AC_MSG_WARN([No zlib-devel package found,
2482 unable to use adler32 checksum])])],
2483 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2488 AC_ARG_ENABLE([mindf],
2489 AC_HELP_STRING([--enable-mindf],
2490 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2492 if test "$enable_mindf" = "yes" ; then
2493 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2496 AC_ARG_ENABLE([fail_alloc],
2497 AC_HELP_STRING([--disable-fail-alloc],
2498 [disable randomly alloc failure]),
2499 [],[enable_fail_alloc=yes])
2500 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2501 AC_MSG_RESULT([$enable_fail_alloc])
2502 if test x$enable_fail_alloc != xno ; then
2503 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2506 AC_ARG_ENABLE([invariants],
2507 AC_HELP_STRING([--enable-invariants],
2508 [enable invariant checking (cpu intensive)]),
2510 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2511 AC_MSG_RESULT([$enable_invariants])
2512 if test x$enable_invariants = xyes ; then
2513 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2516 AC_ARG_ENABLE([lu_ref],
2517 AC_HELP_STRING([--enable-lu_ref],
2518 [enable lu_ref reference tracking code]),
2520 AC_MSG_CHECKING([whether to track references with lu_ref])
2521 AC_MSG_RESULT([$enable_lu_ref])
2522 if test x$enable_lu_ref = xyes ; then
2523 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2526 AC_ARG_ENABLE([pgstate-track],
2527 AC_HELP_STRING([--enable-pgstate-track],
2528 [enable page state tracking]),
2529 [enable_pgstat_track='yes'],[])
2530 AC_MSG_CHECKING([whether to enable page state tracking])
2531 AC_MSG_RESULT([$enable_pgstat_track])
2532 if test x$enable_pgstat_track = xyes ; then
2533 AC_DEFINE([LUSTRE_PAGESTATE_TRACKING], 1,
2534 [enable page state tracking code])
2541 LC_DENTRY_OPEN_4ARGS
2542 LC_PAGEVEC_LRU_ADD_FILE
2549 # AM_CONDITIONALS for lustre
2551 AC_DEFUN([LC_CONDITIONALS],
2552 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2553 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2554 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2555 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2556 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2557 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2558 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2559 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2560 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2561 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2562 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2563 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2564 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2565 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
2571 # files that should be generated with AC_OUTPUT
2573 AC_DEFUN([LC_CONFIG_FILES],
2577 lustre/autoconf/Makefile
2578 lustre/conf/Makefile
2579 lustre/contrib/Makefile
2581 lustre/include/Makefile
2582 lustre/include/lustre_ver.h
2583 lustre/include/linux/Makefile
2584 lustre/include/darwin/Makefile
2585 lustre/include/lustre/Makefile
2586 lustre/kernel_patches/targets/2.6-rhel6.target
2587 lustre/kernel_patches/targets/2.6-rhel5.target
2588 lustre/kernel_patches/targets/2.6-sles10.target
2589 lustre/kernel_patches/targets/2.6-sles11.target
2590 lustre/kernel_patches/targets/2.6-oel5.target
2591 lustre/kernel_patches/targets/2.6-fc11.target
2592 lustre/kernel_patches/targets/2.6-fc12.target
2593 lustre/ldlm/Makefile
2595 lustre/fid/autoMakefile
2596 lustre/liblustre/Makefile
2597 lustre/liblustre/tests/Makefile
2598 lustre/liblustre/tests/mpi/Makefile
2599 lustre/llite/Makefile
2600 lustre/llite/autoMakefile
2601 lustre/lclient/Makefile
2603 lustre/lov/autoMakefile
2604 lustre/lvfs/Makefile
2605 lustre/lvfs/autoMakefile
2607 lustre/mdc/autoMakefile
2609 lustre/lmv/autoMakefile
2611 lustre/mds/autoMakefile
2613 lustre/mdt/autoMakefile
2615 lustre/cmm/autoMakefile
2617 lustre/mdd/autoMakefile
2619 lustre/fld/autoMakefile
2620 lustre/obdclass/Makefile
2621 lustre/obdclass/autoMakefile
2622 lustre/obdclass/linux/Makefile
2623 lustre/obdecho/Makefile
2624 lustre/obdecho/autoMakefile
2625 lustre/obdfilter/Makefile
2626 lustre/obdfilter/autoMakefile
2628 lustre/ofd/autoMakefile
2630 lustre/osc/autoMakefile
2632 lustre/ost/autoMakefile
2633 lustre/osd-ldiskfs/Makefile
2634 lustre/osd-ldiskfs/autoMakefile
2636 lustre/mgc/autoMakefile
2638 lustre/mgs/autoMakefile
2639 lustre/ptlrpc/Makefile
2640 lustre/ptlrpc/autoMakefile
2641 lustre/ptlrpc/gss/Makefile
2642 lustre/ptlrpc/gss/autoMakefile
2643 lustre/quota/Makefile
2644 lustre/quota/autoMakefile
2645 lustre/scripts/Makefile
2646 lustre/tests/Makefile
2647 lustre/tests/mpi/Makefile
2648 lustre/utils/Makefile
2649 lustre/utils/gss/Makefile
2650 lustre/obdclass/darwin/Makefile