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_TASK_CLENV_STORE],
456 AC_MSG_CHECKING([if we can store cl_env in task_struct])
457 if test x$have_task_clenv_store != xyes ; then
458 LC_TASK_CLENV_TUX_INFO
464 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
465 # yet tree_lock is converted from rwlock to spin_lock since v2.6.26
466 AC_DEFUN([LC_RW_TREE_LOCK],
467 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
468 tmp_flags="$EXTRA_KCFLAGS"
469 EXTRA_KCFLAGS="-Werror"
470 LB_LINUX_TRY_COMPILE([
471 #include <linux/fs.h>
473 struct address_space a;
475 write_lock(&a.tree_lock);
478 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
482 EXTRA_KCFLAGS="$tmp_flags"
488 # 2.6.18 don't export nr_pagecahe
489 AC_DEFUN([LC_NR_PAGECACHE],
490 [AC_MSG_CHECKING([kernel export nr_pagecache])
491 LB_LINUX_TRY_COMPILE([
492 #include <linux/pagemap.h>
494 return atomic_read(&nr_pagecache);
497 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
498 [is kernel export nr_pagecache])
505 # LC_STATFS_DENTRY_PARAM
506 # starting from 2.6.18 linux kernel uses dentry instead of super_block
507 # for the first parameter of the super_operations->statfs() callback.
510 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
511 [AC_MSG_CHECKING([if super_ops.statfs() first parameter is dentry])
512 tmp_flags="$EXTRA_KCFLAGS"
513 EXTRA_KCFLAGS="-Werror"
514 LB_LINUX_TRY_COMPILE([
515 #include <linux/fs.h>
517 ((struct super_operations *)0)->statfs((struct dentry *)0, (struct kstatfs*)0);
519 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
520 [super_ops.statfs() first parameter is dentry])
525 EXTRA_KCFLAGS="$tmp_flags"
528 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
529 # 2.6.18~2.6.25 umount_begin has different parameters
530 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
531 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
532 tmp_flags="$EXTRA_KCFLAGS"
533 EXTRA_KCFLAGS="-Werror"
534 LB_LINUX_TRY_COMPILE([
535 #include <linux/fs.h>
538 static void cfg_umount_begin (struct vfsmount *v, int flags)
543 static struct super_operations cfg_super_operations = {
544 .umount_begin = cfg_umount_begin,
547 cfg_super_operations.umount_begin(NULL,0);
550 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
551 [Define umount_begin need second argument])
555 EXTRA_KCFLAGS="$tmp_flags"
559 # starting from 2.6.18 the file_operations .flush
560 # method has a new "fl_owner_t id" parameter
562 AC_DEFUN([LC_FLUSH_OWNER_ID],
563 [AC_MSG_CHECKING([if file_operations .flush has an fl_owner_t id])
564 LB_LINUX_TRY_COMPILE([
565 #include <linux/fs.h>
567 struct file_operations *fops = NULL;
568 fl_owner_t id = NULL;
571 i = fops->flush(NULL, id);
573 AC_DEFINE(HAVE_FLUSH_OWNER_ID, 1,
574 [file_operations .flush method has an fl_owner_t id])
582 # LC_EXPORT_INVALIDATE_MAPPING_PAGES
584 # SLES9, RHEL4, RHEL5, vanilla 2.6.24 export invalidate_mapping_pages() but
585 # SLES10 2.6.16 does not, for some reason. For filter cache invalidation.
587 AC_DEFUN([LC_EXPORT_INVALIDATE_MAPPING_PAGES],
588 [LB_CHECK_SYMBOL_EXPORT([invalidate_mapping_pages], [mm/truncate.c], [
589 AC_DEFINE(HAVE_INVALIDATE_MAPPING_PAGES, 1,
590 [exported invalidate_mapping_pages])],
591 [LB_CHECK_SYMBOL_EXPORT([invalidate_inode_pages], [mm/truncate.c], [
592 AC_DEFINE(HAVE_INVALIDATE_INODE_PAGES, 1,
593 [exported invalidate_inode_pages])], [
594 AC_MSG_ERROR([no way to invalidate pages])
599 #2.6.18 + RHEL5 (fc6)
601 # RHEL5 in FS-cache patch rename PG_checked flag into PG_fs_misc
602 AC_DEFUN([LC_PG_FS_MISC],
603 [AC_MSG_CHECKING([kernel has PG_fs_misc])
604 LB_LINUX_TRY_COMPILE([
605 #include <linux/mm.h>
606 #include <linux/page-flags.h>
609 #error PG_fs_misc not defined in kernel
613 AC_DEFINE(HAVE_PG_FS_MISC, 1,
614 [is kernel have PG_fs_misc])
620 # RHEL5 PageChecked and SetPageChecked defined
621 AC_DEFUN([LC_PAGE_CHECKED],
622 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
623 LB_LINUX_TRY_COMPILE([
624 #include <linux/mm.h>
625 #ifdef HAVE_LINUX_MMTYPES_H
626 #include <linux/mm_types.h>
628 #include <linux/page-flags.h>
630 struct page *p = NULL;
632 /* before 2.6.26 this define*/
634 /* 2.6.26 use function instead of define for it */
640 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
641 [does kernel have PageChecked and SetPageChecked])
650 # If we have fiemap.h
651 # after 2.6.27 use fiemap.h in include/linux
653 AC_DEFUN([LC_LINUX_FIEMAP_H],
654 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
655 AC_MSG_CHECKING([if fiemap.h can be compiled])
656 LB_LINUX_TRY_COMPILE([
657 #include <linux/types.h>
658 #include <linux/fiemap.h>
661 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
672 # inode don't have i_blksize field
673 AC_DEFUN([LC_INODE_BLKSIZE],
674 [AC_MSG_CHECKING([inode has i_blksize field])
675 LB_LINUX_TRY_COMPILE([
676 #include <linux/fs.h>
682 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
683 [struct inode has i_blksize field])
690 # 2.6.19 replaced writev with aio_write
691 AC_DEFUN([LC_FILE_WRITEV],
692 [AC_MSG_CHECKING([writev in fops])
693 LB_LINUX_TRY_COMPILE([
694 #include <linux/fs.h>
696 struct file_operations *fops = NULL;
700 AC_DEFINE(HAVE_FILE_WRITEV, 1,
708 # 2.6.19 replaced readv with aio_read
709 AC_DEFUN([LC_FILE_READV],
710 [AC_MSG_CHECKING([readv in fops])
711 LB_LINUX_TRY_COMPILE([
712 #include <linux/fs.h>
714 struct file_operations *fops = NULL;
718 AC_DEFINE(HAVE_FILE_READV, 1,
727 # LC_CANCEL_DIRTY_PAGE
728 # 2.6.20 introduced cancel_dirty_page instead of clear_page_dirty.
729 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
730 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
731 # the implementation of cancel_dirty_page in OFED 1.4.1's SLES10 SP2
732 # backport is broken, so ignore it
733 if test -f $OFED_BACKPORT_PATH/linux/mm.h &&
734 test "$(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
737 LB_LINUX_TRY_COMPILE([
738 #include <linux/mm.h>
739 #include <linux/page-flags.h>
741 cancel_dirty_page(NULL, 0);
744 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
745 [kernel has cancel_dirty_page instead of clear_page_dirty])
752 # raid5-zerocopy patch
757 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
758 # it support constant page, which means the page won't be modified during the
761 AC_DEFUN([LC_PAGE_CONSTANT],
762 [AC_MSG_CHECKING([if kernel have PageConstant defined])
763 LB_LINUX_TRY_COMPILE([
764 #include <linux/mm.h>
765 #include <linux/page-flags.h>
768 #error "Have no raid5 zcopy patch"
772 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
780 # 2.6.22 lost second parameter for invalidate_bdev
781 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
782 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
783 LB_LINUX_TRY_COMPILE([
784 #include <linux/buffer_head.h>
786 invalidate_bdev(NULL,0);
789 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
790 [invalidate_bdev has second argument])
797 # check for crypto API
799 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
800 [AC_MSG_CHECKING([if kernel has block cipher support])
801 LB_LINUX_TRY_COMPILE([
802 #include <linux/err.h>
803 #include <linux/crypto.h>
805 struct crypto_blkcipher *tfm;
806 tfm = crypto_alloc_blkcipher("aes", 0, sizeof(tfm) );
809 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
816 # check for struct hash_desc
818 AC_DEFUN([LC_STRUCT_HASH_DESC],
819 [AC_MSG_CHECKING([if kernel has struct hash_desc])
820 LB_LINUX_TRY_COMPILE([
821 #include <linux/err.h>
822 #include <linux/crypto.h>
824 struct hash_desc foo __attribute__ ((unused));
827 AC_DEFINE(HAVE_STRUCT_HASH_DESC, 1, [kernel has struct hash_desc])
834 # check for struct blkcipher_desc
836 AC_DEFUN([LC_STRUCT_BLKCIPHER_DESC],
837 [AC_MSG_CHECKING([if kernel has struct blkcipher_desc])
838 LB_LINUX_TRY_COMPILE([
839 #include <linux/err.h>
840 #include <linux/crypto.h>
842 struct blkcipher_desc foo __attribute__ ((unused));
845 AC_DEFINE(HAVE_STRUCT_BLKCIPHER_DESC, 1, [kernel has struct blkcipher_desc])
852 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
854 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
855 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
856 LB_LINUX_TRY_COMPILE([
857 #include <linux/fs.h>
859 int v __attribute__ ((unused));
860 v = FS_RENAME_DOES_D_MOVE;
863 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
871 # 2.6.23 have return type 'void' for unregister_blkdev
872 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
873 [AC_MSG_CHECKING([if unregister_blkdev return int])
874 LB_LINUX_TRY_COMPILE([
875 #include <linux/fs.h>
877 int i __attribute__ ((unused));
878 i = unregister_blkdev(0,NULL);
881 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
882 [unregister_blkdev return int])
888 # 2.6.23 change .sendfile to .splice_read
889 AC_DEFUN([LC_KERNEL_SPLICE_READ],
890 [AC_MSG_CHECKING([if kernel has .splice_read])
891 LB_LINUX_TRY_COMPILE([
892 #include <linux/fs.h>
894 struct file_operations file;
896 file.splice_read = NULL;
899 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
900 [kernel has .slice_read])
906 # 2.6.23 change .sendfile to .splice_read
907 # RHEL4 (-92 kernel) have both sendfile and .splice_read API
908 AC_DEFUN([LC_KERNEL_SENDFILE],
909 [AC_MSG_CHECKING([if kernel has .sendfile])
910 LB_LINUX_TRY_COMPILE([
911 #include <linux/fs.h>
913 struct file_operations file;
915 file.sendfile = NULL;
918 AC_DEFINE(HAVE_KERNEL_SENDFILE, 1,
919 [kernel has .sendfile])
925 # 2.6.23 extract nfs export related data into exportfs.h
926 AC_DEFUN([LC_HAVE_EXPORTFS_H],
927 [LB_CHECK_FILE([$LINUX/include/linux/exportfs.h], [
928 AC_DEFINE(HAVE_LINUX_EXPORTFS_H, 1,
929 [kernel has include/exportfs.h])
935 # 2.6.23 has new page fault handling API
936 AC_DEFUN([LC_VM_OP_FAULT],
937 [AC_MSG_CHECKING([kernel has .fault in vm_operation_struct])
938 LB_LINUX_TRY_COMPILE([
939 #include <linux/mm.h>
941 struct vm_operations_struct op;
946 AC_DEFINE(HAVE_VM_OP_FAULT, 1,
947 [kernel has .fault in vm_operation_struct])
953 # 2.6.23 add code to wait other users to complete before removing procfs entry
954 AC_DEFUN([LC_PROCFS_USERS],
955 [AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
956 LB_LINUX_TRY_COMPILE([
957 #include <linux/proc_fs.h>
959 struct proc_dir_entry pde;
964 AC_DEFINE(HAVE_PROCFS_USERS, 1,
965 [kernel has pde_users member in procfs entry struct])
967 LB_LINUX_TRY_COMPILE([
968 #include "$LINUX/fs/proc/internal.h"
970 struct proc_dir_entry_aux pde_aux;
972 pde_aux.pde_users = 0;
975 AC_DEFINE(HAVE_PROCFS_USERS, 1,
976 [kernel has pde_users member in proc_dir_entry_aux])
983 # 2.6.23 exports exportfs_decode_fh
984 AC_DEFUN([LC_EXPORTFS_DECODE_FH],
985 [LB_CHECK_SYMBOL_EXPORT([exportfs_decode_fh],
986 [fs/exportfs/expfs.c],[
987 AC_DEFINE(HAVE_EXPORTFS_DECODE_FH, 1,
988 [exportfs_decode_fh has been export])
995 # 2.6.24 need linux/mm_types.h included
996 AC_DEFUN([LC_HAVE_MMTYPES_H],
997 [LB_CHECK_FILE([$LINUX/include/linux/mm_types.h], [
998 AC_DEFINE(HAVE_LINUX_MMTYPES_H, 1,
999 [kernel has include/mm_types.h])
1005 # 2.6.24 has bio_endio with 2 args
1006 AC_DEFUN([LC_BIO_ENDIO_2ARG],
1007 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
1008 LB_LINUX_TRY_COMPILE([
1009 #include <linux/bio.h>
1013 AC_MSG_RESULT([yes])
1014 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
1015 [kernel has bio_endio with 2 args])
1021 # 2.6.24 has new members in exports struct.
1022 AC_DEFUN([LC_FH_TO_DENTRY],
1023 [AC_MSG_CHECKING([if kernel has .fh_to_dentry member in export_operations struct])
1024 LB_LINUX_TRY_COMPILE([
1025 #include <linux/fs.h>
1026 #ifdef HAVE_LINUX_EXPORTFS_H
1027 #include <linux/exportfs.h>
1030 do{ }while(sizeof(((struct export_operations *)0)->fh_to_dentry));
1032 AC_MSG_RESULT([yes])
1033 AC_DEFINE(HAVE_FH_TO_DENTRY, 1,
1034 [kernel has .fh_to_dentry member in export_operations struct])
1040 # 2.6.24 removes long aged procfs entry -> deleted member
1041 AC_DEFUN([LC_PROCFS_DELETED],
1042 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
1043 LB_LINUX_TRY_COMPILE([
1044 #include <linux/proc_fs.h>
1046 struct proc_dir_entry pde;
1048 pde.deleted = sizeof(pde);
1050 AC_MSG_RESULT([yes])
1051 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
1052 [kernel has deleted member in procfs entry struct])
1058 # 2.6.24 has bdi_init()/bdi_destroy() functions.
1059 AC_DEFUN([LC_EXPORT_BDI_INIT],
1060 [LB_CHECK_SYMBOL_EXPORT([bdi_init],
1061 [mm/backing-dev.c],[
1062 AC_DEFINE(HAVE_BDI_INIT, 1,
1063 [bdi_init/bdi_destroy functions are present])
1070 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
1071 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
1072 [AC_MSG_CHECKING([fs_struct use path structure])
1073 LB_LINUX_TRY_COMPILE([
1074 #include <asm/atomic.h>
1075 #include <linux/spinlock.h>
1076 #include <linux/fs_struct.h>
1078 struct fs_struct fs;
1080 fs.pwd = *((struct path *)sizeof(fs));
1082 AC_MSG_RESULT([yes])
1083 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
1084 [fs_struct use path structure])
1095 # LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27)
1096 # check security plug in sles10 sp2 kernel
1097 AC_DEFUN([LC_SECURITY_PLUG],
1098 [AC_MSG_CHECKING([If kernel has security plug support])
1099 LB_LINUX_TRY_COMPILE([
1100 #include <linux/fs.h>
1101 #include <linux/stddef.h>
1103 notify_change(NULL, NULL, NULL);
1106 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
1107 [SLES10 SP2 use extra parameter in vfs])
1113 AC_DEFUN([LC_PGMKWRITE_USE_VMFAULT],
1114 [AC_MSG_CHECKING([kernel .page_mkwrite uses struct vm_fault *])
1115 tmp_flags="$EXTRA_KCFLAGS"
1116 EXTRA_KCFLAGS="-Werror"
1117 LB_LINUX_TRY_COMPILE([
1118 #include <linux/mm.h>
1120 ((struct vm_operations_struct *)0)->page_mkwrite((struct vm_area_struct *)0, (struct vm_fault *)0);
1122 AC_MSG_RESULT([yes])
1123 AC_DEFINE(HAVE_PGMKWRITE_USE_VMFAULT, 1,
1124 [kernel vm_operation_struct.page_mkwrite uses struct vm_fault * as second parameter])
1128 EXTRA_KCFLAGS="$tmp_flags"
1131 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
1132 [AC_MSG_CHECKING([inode_operations->permission has two args])
1133 LB_LINUX_TRY_COMPILE([
1134 #include <linux/fs.h>
1136 struct inode *inode __attribute__ ((unused));
1139 inode->i_op->permission(NULL, 0);
1141 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
1142 [inode_operations->permission has two args])
1143 AC_MSG_RESULT([yes])
1149 # 2.6.27 has file_remove_suid instead of remove_suid
1150 AC_DEFUN([LC_FILE_REMOVE_SUID],
1151 [AC_MSG_CHECKING([kernel has file_remove_suid])
1152 LB_LINUX_TRY_COMPILE([
1153 #include <linux/fs.h>
1155 file_remove_suid(NULL);
1157 AC_DEFINE(HAVE_FILE_REMOVE_SUID, 1,
1158 [kernel have file_remove_suid])
1159 AC_MSG_RESULT([yes])
1165 # 2.6.27 have new page locking API
1166 AC_DEFUN([LC_TRYLOCKPAGE],
1167 [AC_MSG_CHECKING([kernel uses trylock_page for page lock])
1168 LB_LINUX_TRY_COMPILE([
1169 #include <linux/pagemap.h>
1173 AC_DEFINE(HAVE_TRYLOCK_PAGE, 1,
1174 [kernel uses trylock_page for page lock])
1175 AC_MSG_RESULT([yes])
1181 # 2.6.27 removed the read_inode from super_operations.
1182 AC_DEFUN([LC_READ_INODE_IN_SBOPS],
1183 [AC_MSG_CHECKING([super_operations has a read_inode field])
1184 LB_LINUX_TRY_COMPILE([
1185 #include <linux/fs.h>
1187 struct super_operations *sop;
1188 sop->read_inode(NULL);
1190 AC_DEFINE(HAVE_READ_INODE_IN_SBOPS, 1,
1191 [super_operations has a read_inode])
1192 AC_MSG_RESULT([yes])
1198 # 2.6.27 has inode_permission instead of permisson
1199 AC_DEFUN([LC_EXPORT_INODE_PERMISSION],
1200 [LB_CHECK_SYMBOL_EXPORT([inode_permission],
1202 AC_DEFINE(HAVE_EXPORT_INODE_PERMISSION, 1,
1203 [inode_permission is exported by the kernel])
1208 # 2.6.27 use 5th parameter in quota_on for remount.
1209 AC_DEFUN([LC_QUOTA_ON_5ARGS],
1210 [AC_MSG_CHECKING([quota_on needs 5 parameters])
1211 LB_LINUX_TRY_COMPILE([
1212 #include <linux/fs.h>
1213 #include <linux/quota.h>
1215 struct quotactl_ops *qop = NULL;
1216 qop->quota_on(NULL, 0, 0, NULL, 0);
1218 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
1219 [quota_on needs 5 paramters])
1220 AC_MSG_RESULT([yes])
1226 # 2.6.27 use 3th parameter in quota_off for remount.
1227 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
1228 [AC_MSG_CHECKING([quota_off needs 3 parameters])
1229 LB_LINUX_TRY_COMPILE([
1230 #include <linux/fs.h>
1231 #include <linux/quota.h>
1233 struct quotactl_ops *qop = NULL;
1234 qop->quota_off(NULL, 0, 0);
1236 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
1237 [quota_off needs 3 paramters])
1238 AC_MSG_RESULT([yes])
1244 # 2.6.27 has vfs_dq_off inline function.
1245 AC_DEFUN([LC_VFS_DQ_OFF],
1246 [AC_MSG_CHECKING([vfs_dq_off is defined])
1247 LB_LINUX_TRY_COMPILE([
1248 #include <linux/quotaops.h>
1250 vfs_dq_off(NULL, 0);
1252 AC_DEFINE(HAVE_VFS_DQ_OFF, 1, [vfs_dq_off is defined])
1253 AC_MSG_RESULT([yes])
1259 # LC_LOCK_MAP_ACQUIRE
1260 # after 2.6.27 lock_map_acquire replaces lock_acquire
1261 AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
1262 [AC_MSG_CHECKING([if lock_map_acquire is defined])
1263 LB_LINUX_TRY_COMPILE([
1264 #include <linux/lockdep.h>
1266 lock_map_acquire(NULL);
1269 AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
1270 [lock_map_acquire is defined])
1276 # 2.6.27.15-2 sles11
1278 # 2.6.27 sles11 remove the bi_hw_segments
1279 AC_DEFUN([LC_BI_HW_SEGMENTS],
1280 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
1281 LB_LINUX_TRY_COMPILE([
1282 #include <linux/bio.h>
1285 io.bi_hw_segments = sizeof(io);
1287 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
1288 [struct bio has a bi_hw_segments field])
1289 AC_MSG_RESULT([yes])
1296 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
1297 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
1298 AC_DEFUN([LC_HAVE_QUOTAIO_H],
1299 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
1300 AC_DEFINE(HAVE_QUOTAIO_H, 1,
1301 [kernel has include/linux/quotaio_v2.h])
1302 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
1303 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
1304 [kernel has fs/quotaio_v1.h])
1305 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
1306 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
1307 [kernel has fs/quota/quotaio_v2.h])
1315 # 2.6.27 sles11 has sb_any_quota_active
1316 AC_DEFUN([LC_SB_ANY_QUOTA_ACTIVE],
1317 [AC_MSG_CHECKING([Kernel has sb_any_quota_active])
1318 LB_LINUX_TRY_COMPILE([
1319 #include <linux/quotaops.h>
1321 sb_any_quota_active(NULL);
1323 AC_DEFINE(HAVE_SB_ANY_QUOTA_ACTIVE, 1,
1324 [Kernel has a sb_any_quota_active])
1325 AC_MSG_RESULT([yes])
1331 # 2.6.27 sles11 has sb_has_quota_active
1332 AC_DEFUN([LC_SB_HAS_QUOTA_ACTIVE],
1333 [AC_MSG_CHECKING([Kernel has sb_has_quota_active])
1334 LB_LINUX_TRY_COMPILE([
1335 #include <linux/quotaops.h>
1337 sb_has_quota_active(NULL, 0);
1339 AC_DEFINE(HAVE_SB_HAS_QUOTA_ACTIVE, 1,
1340 [Kernel has a sb_has_quota_active])
1341 AC_MSG_RESULT([yes])
1347 # 2.6.27 exported add_to_page_cache_lru.
1348 AC_DEFUN([LC_EXPORT_ADD_TO_PAGE_CACHE_LRU],
1349 [LB_CHECK_SYMBOL_EXPORT([add_to_page_cache_lru],
1351 AC_DEFINE(HAVE_ADD_TO_PAGE_CACHE_LRU, 1,
1352 [add_to_page_cache_lru functions are present])
1358 # 2.6.29 introduce sb_any_quota_loaded.
1360 AC_DEFUN([LC_SB_ANY_QUOTA_LOADED],
1361 [AC_MSG_CHECKING([Kernel has sb_any_quota_loaded])
1362 LB_LINUX_TRY_COMPILE([
1363 #include <linux/quotaops.h>
1365 sb_any_quota_loaded(NULL);
1367 AC_DEFINE(HAVE_SB_ANY_QUOTA_LOADED, 1,
1368 [Kernel has a sb_any_quota_loaded])
1369 AC_MSG_RESULT([yes])
1375 # 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
1376 AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
1377 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
1378 [arch/$LINUX_ARCH/mm/numa.c],
1379 [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
1380 [node_to_cpumask_map is exported by
1381 the kernel])]) # x86_64
1384 # 2.6.31 replaces blk_queue_hardsect_size by blk_queue_logical_block_size function
1385 AC_DEFUN([LC_BLK_QUEUE_LOG_BLK_SIZE],
1386 [AC_MSG_CHECKING([if blk_queue_logical_block_size is defined])
1387 LB_LINUX_TRY_COMPILE([
1388 #include <linux/blkdev.h>
1390 blk_queue_logical_block_size(NULL, 0);
1393 AC_DEFINE(HAVE_BLK_QUEUE_LOG_BLK_SIZE, 1,
1394 [blk_queue_logical_block_size is defined])
1402 # 2.6.32 changes cache_detail's member cache_request to cache_upcall
1403 # in kernel commit bc74b4f5e63a09fb78e245794a0de1e5a2716bbe
1404 AC_DEFUN([LC_CACHE_UPCALL],
1405 [AC_MSG_CHECKING([if cache_detail has cache_upcall field])
1406 LB_LINUX_TRY_COMPILE([
1407 #include <linux/sunrpc/cache.h>
1409 struct cache_detail cd;
1410 cd.cache_upcall = NULL;
1413 AC_DEFINE(HAVE_CACHE_UPCALL, 1,
1414 [cache_detail has cache_upcall field])
1420 # 2.6.32 add a limits member in struct request_queue.
1421 AC_DEFUN([LC_REQUEST_QUEUE_LIMITS],
1422 [AC_MSG_CHECKING([if request_queue has a limits field])
1423 LB_LINUX_TRY_COMPILE([
1424 #include <linux/blkdev.h>
1426 struct request_queue rq;
1427 rq.limits.io_min = 0;
1430 AC_DEFINE(HAVE_REQUEST_QUEUE_LIMITS, 1,
1431 [request_queue has a limits field])
1437 # 2.6.32 has bdi_register() functions.
1438 AC_DEFUN([LC_EXPORT_BDI_REGISTER],
1439 [LB_CHECK_SYMBOL_EXPORT([bdi_register],
1440 [mm/backing-dev.c],[
1441 AC_DEFINE(HAVE_BDI_REGISTER, 1,
1442 [bdi_register function is present])
1447 # 2.6.32 add s_bdi for super block
1448 AC_DEFUN([LC_SB_BDI],
1449 [AC_MSG_CHECKING([if super_block has s_bdi field])
1450 LB_LINUX_TRY_COMPILE([
1451 #include <linux/fs.h>
1453 struct super_block sb;
1457 AC_DEFINE(HAVE_SB_BDI, 1,
1458 [super_block has s_bdi field])
1464 # 2.6.27.15-2 SuSE 11 sp0 kernels lack the name field for BDI
1465 AC_DEFUN([LC_BDI_NAME],
1466 [AC_MSG_CHECKING([if backing_device_info has name field])
1467 LB_LINUX_TRY_COMPILE([
1468 #include <linux/blkkdev.h>
1470 struct backing_dev_info bdi;
1474 AC_DEFINE(HAVE_BDI_NAME, 1,
1475 [backing_device_info has name field])
1481 # 2.6.32 removes blk_queue_max_sectors and add blk_queue_max_hw_sectors
1482 # check blk_queue_max_sectors and use it until disappear.
1483 AC_DEFUN([LC_BLK_QUEUE_MAX_SECTORS],
1484 [AC_MSG_CHECKING([if blk_queue_max_sectors is defined])
1485 LB_LINUX_TRY_COMPILE([
1486 #include <linux/blkdev.h>
1488 blk_queue_max_sectors(NULL, 0);
1491 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SECTORS, 1,
1492 [blk_queue_max_sectors is defined])
1498 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
1499 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
1500 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
1501 LB_LINUX_TRY_COMPILE([
1502 #include <linux/blkdev.h>
1504 blk_queue_max_segments(NULL, 0);
1507 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
1508 [blk_queue_max_segments is defined])
1517 # Check if kernel has been patched for 64-bit quota limits support.
1518 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
1519 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
1520 # that in the absence of quotaio_v1.h in the kernel headers.
1522 AC_DEFUN([LC_QUOTA64],[
1523 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
1524 tmp_flags="$EXTRA_KCFLAGS"
1525 EXTRA_KCFLAGS="-I$LINUX/fs"
1526 LB_LINUX_TRY_COMPILE([
1527 #include <linux/kernel.h>
1528 #include <linux/fs.h>
1529 #ifdef HAVE_QUOTAIO_H
1530 # include <linux/quotaio_v2.h>
1531 int versions[] = V2_INITQVERSIONS_R1;
1532 struct v2_disk_dqblk_r1 dqblk_r1;
1533 #elif defined(HAVE_FS_QUOTA_QUOTAIO_H)
1534 # include <quota/quotaio_v2.h>
1535 struct v2r1_disk_dqblk dqblk_r1;
1536 #elif defined(HAVE_FS_QUOTAIO_H)
1537 # include <quotaio_v2.h>
1538 struct v2r1_disk_dqblk dqblk_r1;
1540 #include <linux/quota.h>
1541 int ver = QFMT_VFS_V1;
1544 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
1545 AC_MSG_RESULT([yes])
1547 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
1548 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
1552 EXTRA_KCFLAGS=$tmp_flags
1555 # 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
1556 AC_DEFUN([LC_SET_CPUS_ALLOWED],
1557 [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
1558 LB_LINUX_TRY_COMPILE(
1559 [#include <linux/sched.h>],
1560 [struct task_struct *p = NULL;
1561 cpumask_t mask = { { 0 } };
1562 (void) set_cpus_allowed(p, mask);],
1563 [AC_MSG_RESULT([yes])
1564 AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
1565 [set_cpus_allowed is exported by the kernel])],
1566 [AC_MSG_RESULT([no])] )])
1568 # 2.6.32 introduces selinux_is_enabled()
1569 AC_DEFUN([LC_SELINUX_IS_ENABLED],
1570 [AC_MSG_CHECKING([if selinux_is_enabled is available])
1571 LB_LINUX_TRY_COMPILE([
1572 #include <linux/selinux.h>
1574 selinux_is_enabled();
1576 AC_MSG_RESULT([yes])
1577 AC_DEFINE(HAVE_SELINUX_IS_ENABLED, 1,
1578 [selinux_is_enabled is defined])
1586 # starting from 2.6.28 kernel replaces d_alloc_anon() with
1587 # d_obtain_alias() for getting anonymous dentries
1588 # RHEL5(2.6.18) has d_obtain_alias but SLES11SP0(2.6.27) not
1590 AC_DEFUN([LC_D_OBTAIN_ALIAS],
1591 [AC_MSG_CHECKING([d_obtain_alias exist in kernel])
1592 LB_LINUX_TRY_COMPILE([
1593 #include <linux/dcache.h>
1595 d_obtain_alias(NULL);
1597 AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1,
1598 [d_obtain_alias exist in kernel])
1599 AC_MSG_RESULT([yes])
1606 # LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
1608 AC_DEFUN([LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE],
1609 [LB_CHECK_SYMBOL_EXPORT(
1610 [generic_error_remove_page],
1612 [AC_DEFINE(HAS_GENERIC_ERROR_REMOVE_PAGE, 1,
1613 [kernel export generic_error_remove_page])],
1618 # 2.6.32 if kernel export access_process_vm().
1619 AC_DEFUN([LC_EXPORT_ACCESS_PROCESS_VM],
1620 [LB_CHECK_SYMBOL_EXPORT([access_process_vm],
1622 [AC_DEFINE(HAVE_ACCESS_PROCESS_VM, 1,
1623 [access_process_vm function is present])],
1629 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
1631 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
1632 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
1633 LB_LINUX_TRY_COMPILE([
1634 #include <asm/atomic.h>
1635 #include <linux/spinlock.h>
1636 #include <linux/fs_struct.h>
1638 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
1640 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
1641 [fs_struct.lock use rwlock])
1642 AC_MSG_RESULT([yes])
1649 # 2.6.36 super_operations add evict_inode method. it hybird of
1650 # delete_inode & clear_inode.
1652 AC_DEFUN([LC_SBOPS_EVICT_INODE],
1653 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
1654 LB_LINUX_TRY_COMPILE([
1655 #include <linux/fs.h>
1657 ((struct super_operations *)0)->evict_inode(NULL);
1659 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
1660 [super_operations.evict_inode() is exist in kernel])
1661 AC_MSG_RESULT([yes])
1668 # 2.6.35 file_operations.fsync taken 2 arguments.
1669 # 3.0.0 file_operations.fsync takes 4 arguments.
1671 AC_DEFUN([LC_FILE_FSYNC],
1672 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
1673 LB_LINUX_TRY_COMPILE([
1674 #include <linux/fs.h>
1676 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
1678 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
1679 [file_operations.fsync takes 4 arguments])
1680 AC_MSG_RESULT([yes, 4 args])
1682 LB_LINUX_TRY_COMPILE([
1683 #include <linux/fs.h>
1685 ((struct file_operations *)0)->fsync(NULL, 0);
1687 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
1688 [file_operations.fsync takes 2 arguments])
1689 AC_MSG_RESULT([yes, 2 args])
1697 # 2.6.37 remove kernel_locked
1699 AC_DEFUN([LC_KERNEL_LOCKED],
1700 [AC_MSG_CHECKING([if kernel_locked is defined])
1701 LB_LINUX_TRY_COMPILE([
1702 #include <linux/smp_lock.h>
1706 AC_MSG_RESULT([yes])
1707 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
1708 [kernel_locked is defined])
1715 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
1717 AC_DEFUN([LC_D_COMPARE_7ARGS],
1718 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
1719 LB_LINUX_TRY_COMPILE([
1720 #include <linux/dcache.h>
1722 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
1724 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
1725 [d_compare need 7 arguments])
1726 AC_MSG_RESULT([yes])
1733 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
1735 AC_DEFUN([LC_D_DELETE_CONST],
1736 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
1737 tmp_flags="$EXTRA_KCFLAGS"
1738 EXTRA_KCFLAGS="-Werror"
1739 LB_LINUX_TRY_COMPILE([
1740 #include <linux/dcache.h>
1742 const struct dentry *d = NULL;
1743 ((struct dentry_operations*)0)->d_delete(d);
1745 AC_DEFINE(HAVE_D_DELETE_CONST, const,
1746 [d_delete first parameter declared const])
1747 AC_MSG_RESULT([yes])
1749 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
1752 EXTRA_KCFLAGS="$tmp_flags"
1756 # 2.6.38 dcache_lock removed. rcu-walk commited.
1758 AC_DEFUN([LC_DCACHE_LOCK],
1759 [AC_MSG_CHECKING([if dcache_lock is exist])
1760 LB_LINUX_TRY_COMPILE([
1761 #include <linux/dcache.h>
1763 spin_lock(&dcache_lock);
1765 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
1766 [dcache_lock is exist])
1767 AC_MSG_RESULT([yes])
1774 # 2.6.38 export blkdev_get_by_dev
1776 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
1777 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
1779 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
1780 [blkdev_get_by_dev is exported by the kernel])
1786 # 2.6.38 vfsmount.mnt_count doesn't use atomic_t
1788 # 3.3 starts hiding vfsmount guts series (move from include/linux/mount.h to
1789 # fs/mount.h, see kernel commit 7d6fec45a5131918b51dcd76da52f2ec86a85be6)
1791 AC_DEFUN([LC_ATOMIC_MNT_COUNT],
1792 [AC_MSG_CHECKING([if vfsmount guts is hidden, or vfsmount.mnt_count is atomic_t.])
1793 LB_LINUX_TRY_COMPILE([
1794 #include <linux/fs.h>
1795 #include <../fs/mount.h>
1797 struct mount *mnt = real_mount((struct vfsmount *)0);
1799 AC_DEFINE(HAVE_HIDE_VFSMOUNT_GUTS, 1,
1800 [hide vfsmount guts in fs/mount.h])
1801 AC_MSG_RESULT([yes, hide vfsmount guts in fs/mount.h])
1803 LB_LINUX_TRY_COMPILE([
1804 #include <asm/atomic.h>
1805 #include <linux/fs.h>
1806 #include <linux/mount.h>
1808 ((struct vfsmount *)0)->mnt_count = ((atomic_t) { 0 });
1810 AC_DEFINE(HAVE_ATOMIC_MNT_COUNT, 1,
1811 [vfsmount.mnt_count is atomic_t])
1812 AC_MSG_RESULT([yes, vfsmount.mnt_count is atomic_t])
1820 # 2.6.38 use path as 4th parameter in quota_on.
1822 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
1823 [AC_MSG_CHECKING([quota_on use path as parameter])
1824 tmp_flags="$EXTRA_KCFLAGS"
1825 EXTRA_KCFLAGS="-Werror"
1826 LB_LINUX_TRY_COMPILE([
1827 #include <linux/fs.h>
1828 #include <linux/quota.h>
1830 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
1832 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
1833 [quota_on use path as 4th paramter])
1834 AC_MSG_RESULT([yes])
1838 EXTRA_KCFLAGS="$tmp_flags"
1842 # 2.6.39 remove unplug_fn from request_queue.
1844 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
1845 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
1846 LB_LINUX_TRY_COMPILE([
1847 #include <linux/blkdev.h>
1849 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
1851 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
1852 [request_queue has unplug_fn field])
1853 AC_MSG_RESULT([yes])
1860 # 2.6.38 generic_permission taken 4 paremater.
1861 # in fact, it means rcu-walk aware permission bring.
1863 AC_DEFUN([LC_GENERIC_PERMISSION],
1864 [AC_MSG_CHECKING([if generic_permission take 4 arguments])
1865 LB_LINUX_TRY_COMPILE([
1866 #include <linux/fs.h>
1868 generic_permission(NULL, 0, 0, NULL);
1870 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
1871 [generic_permission taken 4 arguments])
1872 AC_MSG_RESULT([yes])
1879 # 2.6.38 export simple_setattr
1881 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
1882 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
1884 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
1885 [simple_setattr is exported by the kernel])
1893 # Lustre linux kernel checks
1895 AC_DEFUN([LC_PROG_LINUX],
1899 LC_CONFIG_LIBLUSTRE_RECOVERY
1900 LC_CONFIG_HEALTH_CHECK_WRITE
1901 LC_CONFIG_LRU_RESIZE
1902 LC_LLITE_LLOOP_MODULE
1905 LC_EXPORT_TRUNCATE_COMPLETE
1906 LC_EXPORT_D_REHASH_COND
1907 LC_EXPORT___D_REHASH
1908 LC_EXPORT_NODE_TO_CPUMASK
1925 LC_STATFS_DENTRY_PARAM
1926 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1928 if test x$enable_server = xyes ; then
1929 LC_EXPORT_INVALIDATE_MAPPING_PAGES
1932 #2.6.18 + RHEL5 (fc6)
1943 LC_CANCEL_DIRTY_PAGE
1945 # raid5-zerocopy patch
1949 LC_INVALIDATE_BDEV_2ARG
1950 LC_ASYNC_BLOCK_CIPHER
1952 LC_STRUCT_BLKCIPHER_DESC
1953 LC_FS_RENAME_DOES_D_MOVE
1956 LC_UNREGISTER_BLKDEV_RETURN_INT
1957 LC_KERNEL_SPLICE_READ
1962 LC_EXPORTFS_DECODE_FH
1972 LC_FS_STRUCT_USE_PATH
1975 LC_SECURITY_PLUG # for SLES10 SP2
1976 LC_PGMKWRITE_USE_VMFAULT
1977 LC_INODE_PERMISION_2ARGS
1980 LC_READ_INODE_IN_SBOPS
1981 LC_EXPORT_INODE_PERMISSION
1987 # 2.6.27.15-2 sles11
1991 LC_SB_ANY_QUOTA_ACTIVE
1992 LC_SB_HAS_QUOTA_ACTIVE
1993 LC_EXPORT_ADD_TO_PAGE_CACHE_LRU
1996 LC_SB_ANY_QUOTA_LOADED
1999 LC_EXPORT_CPUMASK_OF_NODE
2002 LC_BLK_QUEUE_LOG_BLK_SIZE
2005 LC_REQUEST_QUEUE_LIMITS
2006 LC_EXPORT_BDI_REGISTER
2008 LC_BLK_QUEUE_MAX_SECTORS
2009 LC_BLK_QUEUE_MAX_SEGMENTS
2012 LC_EXPORT_GENERIC_ERROR_REMOVE_PAGE
2013 LC_SELINUX_IS_ENABLED
2014 LC_EXPORT_ACCESS_PROCESS_VM
2018 LC_EXPORT_SIMPLE_SETATTR
2022 LC_SBOPS_EVICT_INODE
2029 LC_BLKDEV_GET_BY_DEV
2030 LC_GENERIC_PERMISSION
2031 LC_QUOTA_ON_USE_PATH
2037 LC_REQUEST_QUEUE_UNPLUG_FN
2040 if test x$enable_server = xyes ; then
2041 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
2042 LC_FUNC_DEV_SET_RDONLY
2050 # LC_CONFIG_CLIENT_SERVER
2052 # Build client/server sides of Lustre
2054 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
2055 [AC_MSG_CHECKING([whether to build Lustre server support])
2056 AC_ARG_ENABLE([server],
2057 AC_HELP_STRING([--disable-server],
2058 [disable Lustre server support]),
2059 [],[enable_server='yes'])
2060 AC_MSG_RESULT([$enable_server])
2062 AC_MSG_CHECKING([whether to build Lustre client support])
2063 AC_ARG_ENABLE([client],
2064 AC_HELP_STRING([--disable-client],
2065 [disable Lustre client support]),
2066 [],[enable_client='yes'])
2067 AC_MSG_RESULT([$enable_client])])
2070 # LC_CONFIG_LIBLUSTRE
2072 # whether to build liblustre
2074 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
2075 [AC_MSG_CHECKING([whether to build Lustre library])
2076 AC_ARG_ENABLE([liblustre],
2077 AC_HELP_STRING([--disable-liblustre],
2078 [disable building of Lustre library]),
2079 [],[enable_liblustre=$with_sysio])
2080 AC_MSG_RESULT([$enable_liblustre])
2081 # only build sysio if liblustre is built
2082 with_sysio="$enable_liblustre"
2084 AC_MSG_CHECKING([whether to build liblustre tests])
2085 AC_ARG_ENABLE([liblustre-tests],
2086 AC_HELP_STRING([--enable-liblustre-tests],
2087 [enable liblustre tests, if --disable-tests is used]),
2088 [],[enable_liblustre_tests=$enable_tests])
2089 if test x$enable_liblustre != xyes ; then
2090 enable_liblustre_tests='no'
2092 AC_MSG_RESULT([$enable_liblustre_tests])
2094 AC_MSG_CHECKING([whether to enable liblustre acl])
2095 AC_ARG_ENABLE([liblustre-acl],
2096 AC_HELP_STRING([--disable-liblustre-acl],
2097 [disable ACL support for liblustre]),
2098 [],[enable_liblustre_acl=yes])
2099 AC_MSG_RESULT([$enable_liblustre_acl])
2100 if test x$enable_liblustre_acl = xyes ; then
2101 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
2104 # 2.6.29 change prepare/commit_write to write_begin/end
2105 AC_DEFUN([LC_WRITE_BEGIN_END],
2106 [AC_MSG_CHECKING([if kernel has .write_begin/end])
2107 LB_LINUX_TRY_COMPILE([
2108 #include <linux/fs.h>
2109 #include <linux/pagemap.h>
2110 #ifdef HAVE_LINUX_MMTYPES_H
2111 #include <linux/mm_types.h>
2114 struct address_space_operations aops;
2117 aops.write_begin = NULL;
2118 aops.write_end = NULL;
2119 page = grab_cache_page_write_begin(NULL, 0, 0);
2121 AC_MSG_RESULT([yes])
2122 AC_DEFINE(HAVE_KERNEL_WRITE_BEGIN_END, 1,
2123 [kernel has .write_begin/end])
2129 # 2.6.29 blkdev_put has 2 arguments
2130 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
2131 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
2132 LB_LINUX_TRY_COMPILE([
2133 #include <linux/fs.h>
2135 blkdev_put(NULL, 0);
2137 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
2138 [blkdev_put needs 2 paramters])
2139 AC_MSG_RESULT([yes])
2145 # 2.6.29 dentry_open has 4 arguments
2146 AC_DEFUN([LC_DENTRY_OPEN_4ARGS],
2147 [AC_MSG_CHECKING([dentry_open needs 4 parameters])
2148 LB_LINUX_TRY_COMPILE([
2149 #include <linux/fs.h>
2151 dentry_open(NULL, NULL, 0, NULL);
2153 AC_DEFINE(HAVE_DENTRY_OPEN_4ARGS, 1,
2154 [dentry_open needs 4 paramters])
2155 AC_MSG_RESULT([yes])
2161 # 2.6.29 split file and anonymous page queues
2162 AC_DEFUN([LC_PAGEVEC_LRU_ADD_FILE],
2163 [AC_MSG_CHECKING([if kernel has .pagevec_lru_add_file])
2164 LB_LINUX_TRY_COMPILE([
2165 #include <linux/mm.h>
2166 #include <linux/pagevec.h>
2168 struct pagevec lru_pagevec;
2170 pagevec_init(&lru_pagevec, 0);
2171 pagevec_lru_add_file(&lru_pagevec);
2173 AC_MSG_RESULT([yes])
2174 AC_DEFINE(HAVE_PAGEVEC_LRU_ADD_FILE, 1,
2175 [kernel has .pagevec_lru_add_file])
2184 AC_ARG_ENABLE(mpitests,
2185 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
2186 [include mpi tests]),
2197 MPICC_WRAPPER=$enableval
2207 if test x$enable_mpitests != xno; then
2208 AC_MSG_CHECKING([whether mpitests can be built])
2216 MPI_Initialized(&flag);
2219 AC_MSG_RESULT([yes])
2226 AC_SUBST(MPICC_WRAPPER)
2228 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
2229 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
2232 LC_CONFIG_LIBLUSTRE_RECOVERY
2238 # whether to enable quota support global control
2240 AC_DEFUN([LC_CONFIG_QUOTA],
2241 [AC_ARG_ENABLE([quota],
2242 AC_HELP_STRING([--enable-quota],
2243 [enable quota support]),
2244 [],[enable_quota='yes'])
2247 AC_DEFUN([LC_QUOTA],
2251 AC_CHECK_HEADER(sys/quota.h,
2252 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
2253 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2259 # whether to enable split support
2261 AC_DEFUN([LC_CONFIG_SPLIT],
2262 [AC_MSG_CHECKING([whether to enable split support])
2263 AC_ARG_ENABLE([split],
2264 AC_HELP_STRING([--enable-split],
2265 [enable split support]),
2266 [],[enable_split='no'])
2267 AC_MSG_RESULT([$enable_split])
2268 if test x$enable_split != xno; then
2269 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
2273 # RHEL5(2.6.18) has tux_info
2274 AC_DEFUN([LC_TASK_CLENV_TUX_INFO],
2275 [AC_MSG_CHECKING([tux_info])
2276 LB_LINUX_TRY_COMPILE([
2277 #include <linux/sched.h>
2279 struct task_struct task;
2282 AC_MSG_RESULT([yes])
2283 AC_DEFINE(LL_TASK_CL_ENV, tux_info, [have tux_info])
2284 have_task_clenv_store='yes'
2291 # LC_LLITE_LLOOP_MODULE
2292 # lloop_llite.ko does not currently work with page sizes
2295 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
2296 [AC_MSG_CHECKING([whether to enable llite_lloop module])
2297 LB_LINUX_TRY_COMPILE([
2298 #include <asm/page.h>
2300 #if PAGE_SIZE >= 65536
2301 #error "PAGE_SIZE >= 65536"
2304 enable_llite_lloop_module='yes'
2305 AC_MSG_RESULT([yes])
2307 enable_llite_lloop_module='no'
2315 # other configure checks
2317 AC_DEFUN([LC_CONFIGURE],
2318 [LC_CONFIG_OBD_BUFFER_SIZE
2320 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
2321 CFLAGS="$CFLAGS -Werror"
2324 # maximum MDS thread count
2327 # include/liblustre.h
2328 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
2330 # liblustre/llite_lib.h
2331 AC_CHECK_HEADERS([xtio.h file.h])
2334 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2337 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2338 AC_CHECK_FUNCS([inet_ntoa])
2340 # libsysio/src/readlink.c
2343 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2344 AC_CHECK_HEADERS([linux/random.h], [], [],
2345 [#ifdef HAVE_LINUX_TYPES_H
2346 # include <linux/types.h>
2351 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2353 # check for -lz support
2357 [AC_CHECK_HEADERS([zlib.h],
2359 AC_DEFINE([HAVE_ADLER], 1,
2360 [support alder32 checksum type])],
2361 [AC_MSG_WARN([No zlib-devel package found,
2362 unable to use adler32 checksum])])],
2363 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2368 AC_ARG_ENABLE([mindf],
2369 AC_HELP_STRING([--enable-mindf],
2370 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2372 if test "$enable_mindf" = "yes" ; then
2373 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2376 AC_ARG_ENABLE([fail_alloc],
2377 AC_HELP_STRING([--disable-fail-alloc],
2378 [disable randomly alloc failure]),
2379 [],[enable_fail_alloc=yes])
2380 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2381 AC_MSG_RESULT([$enable_fail_alloc])
2382 if test x$enable_fail_alloc != xno ; then
2383 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2386 AC_ARG_ENABLE([invariants],
2387 AC_HELP_STRING([--enable-invariants],
2388 [enable invariant checking (cpu intensive)]),
2390 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2391 AC_MSG_RESULT([$enable_invariants])
2392 if test x$enable_invariants = xyes ; then
2393 AC_DEFINE([INVARIANT_CHECK], 1, [enable invariant checking])
2396 AC_ARG_ENABLE([lu_ref],
2397 AC_HELP_STRING([--enable-lu_ref],
2398 [enable lu_ref reference tracking code]),
2400 AC_MSG_CHECKING([whether to track references with lu_ref])
2401 AC_MSG_RESULT([$enable_lu_ref])
2402 if test x$enable_lu_ref = xyes ; then
2403 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2406 AC_ARG_ENABLE([pgstate-track],
2407 AC_HELP_STRING([--enable-pgstate-track],
2408 [enable page state tracking]),
2409 [enable_pgstat_track='yes'],[])
2410 AC_MSG_CHECKING([whether to enable page state tracking])
2411 AC_MSG_RESULT([$enable_pgstat_track])
2412 if test x$enable_pgstat_track = xyes ; then
2413 AC_DEFINE([LUSTRE_PAGESTATE_TRACKING], 1,
2414 [enable page state tracking code])
2421 LC_DENTRY_OPEN_4ARGS
2422 LC_PAGEVEC_LRU_ADD_FILE
2429 # AM_CONDITIONALS for lustre
2431 AC_DEFUN([LC_CONDITIONALS],
2432 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2433 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2434 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2435 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2436 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2437 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2438 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2439 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2440 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2441 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2442 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2443 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2444 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2445 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
2451 # files that should be generated with AC_OUTPUT
2453 AC_DEFUN([LC_CONFIG_FILES],
2457 lustre/autoconf/Makefile
2458 lustre/conf/Makefile
2459 lustre/contrib/Makefile
2461 lustre/include/Makefile
2462 lustre/include/lustre_ver.h
2463 lustre/include/linux/Makefile
2464 lustre/include/darwin/Makefile
2465 lustre/include/lustre/Makefile
2466 lustre/kernel_patches/targets/2.6-rhel6.target
2467 lustre/kernel_patches/targets/2.6-rhel5.target
2468 lustre/kernel_patches/targets/2.6-sles10.target
2469 lustre/kernel_patches/targets/2.6-sles11.target
2470 lustre/kernel_patches/targets/2.6-oel5.target
2471 lustre/kernel_patches/targets/2.6-fc11.target
2472 lustre/kernel_patches/targets/2.6-fc12.target
2473 lustre/ldlm/Makefile
2475 lustre/fid/autoMakefile
2476 lustre/liblustre/Makefile
2477 lustre/liblustre/tests/Makefile
2478 lustre/liblustre/tests/mpi/Makefile
2479 lustre/llite/Makefile
2480 lustre/llite/autoMakefile
2481 lustre/lclient/Makefile
2483 lustre/lov/autoMakefile
2484 lustre/lvfs/Makefile
2485 lustre/lvfs/autoMakefile
2487 lustre/mdc/autoMakefile
2489 lustre/lmv/autoMakefile
2491 lustre/mds/autoMakefile
2493 lustre/mdt/autoMakefile
2495 lustre/cmm/autoMakefile
2497 lustre/mdd/autoMakefile
2499 lustre/fld/autoMakefile
2500 lustre/obdclass/Makefile
2501 lustre/obdclass/autoMakefile
2502 lustre/obdclass/linux/Makefile
2503 lustre/obdecho/Makefile
2504 lustre/obdecho/autoMakefile
2505 lustre/obdfilter/Makefile
2506 lustre/obdfilter/autoMakefile
2508 lustre/ofd/autoMakefile
2510 lustre/osc/autoMakefile
2512 lustre/ost/autoMakefile
2513 lustre/osd-ldiskfs/Makefile
2514 lustre/osd-ldiskfs/autoMakefile
2515 lustre/osd-zfs/Makefile
2516 lustre/osd-zfs/autoMakefile
2518 lustre/mgc/autoMakefile
2520 lustre/mgs/autoMakefile
2521 lustre/ptlrpc/Makefile
2522 lustre/ptlrpc/autoMakefile
2523 lustre/ptlrpc/gss/Makefile
2524 lustre/ptlrpc/gss/autoMakefile
2525 lustre/quota/Makefile
2526 lustre/quota/autoMakefile
2527 lustre/scripts/Makefile
2528 lustre/scripts/lustre
2529 lustre/tests/Makefile
2530 lustre/tests/mpi/Makefile
2531 lustre/utils/Makefile
2532 lustre/utils/gss/Makefile
2533 lustre/obdclass/darwin/Makefile