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
23 rootsbindir='$(CROSS_PATH)/sbin'
26 demodir='$(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(CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
71 AC_DEFUN([LC_READLINK_SSIZE_T],
72 [AC_MSG_CHECKING([if readlink returns ssize_t])
76 ssize_t readlink(const char *, char *, size_t);
79 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
86 # LC_FUNC_DEV_SET_RDONLY
88 # check whether dev_set_rdonly is exported. This is needed until we
89 # have another mechanism to fence IO from the underlying device.
91 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
92 [LB_CHECK_SYMBOL_EXPORT([dev_set_rdonly],
93 [block/ll_rw_block.c,block/blk-core.c],[
94 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel exports dev_set_rdonly])
96 AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])
101 # Ensure stack size big than 8k in Lustre server (all kernels)
103 AC_DEFUN([LC_STACK_SIZE],
104 [AC_MSG_CHECKING([stack size big than 8k])
105 LB_LINUX_TRY_COMPILE([
106 #include <linux/thread_info.h>
108 #if THREAD_SIZE < 8192
109 #error "stack size < 8192"
114 AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 8KB stack.])
119 # Allow the user to set the MDS thread upper limit
121 AC_DEFUN([LC_MDS_MAX_THREADS],
123 AC_ARG_WITH([mds_max_threads],
124 AC_HELP_STRING([--with-mds-max-threads=count],
125 [maximum threads available on the MDS: (default=512)]),
127 MDS_THREAD_COUNT=$with_mds_max_threads
128 AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $MDS_THREAD_COUNT, [maximum number of MDS threads])
135 # the pinger is temporary, until we have the recovery node in place
137 AC_DEFUN([LC_CONFIG_PINGER],
138 [AC_MSG_CHECKING([whether to enable pinger support])
139 AC_ARG_ENABLE([pinger],
140 AC_HELP_STRING([--disable-pinger],
141 [disable recovery pinger support]),
142 [],[enable_pinger='yes'])
143 AC_MSG_RESULT([$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],[],[
215 AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
219 # truncate_complete_page() has never been exported from an upstream kernel
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_PAGE],
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])])
240 AC_DEFUN([LC_CAPA_CRYPTO],
241 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
242 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
244 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
245 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
247 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
248 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
253 # LC_CONFIG_RMTCLIENT
256 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
258 AC_DEFUN([LC_CONFIG_RMTCLIENT],
259 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
260 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
265 # LC_CONFIG_GSS_KEYRING (default 'auto', tests for dependencies, if found, enables; only called if gss is enabled)
267 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
268 [AC_MSG_CHECKING([whether to enable gss keyring backend])
269 AC_ARG_ENABLE([gss_keyring],
270 [AC_HELP_STRING([--disable-gss-keyring],
271 [disable gss keyring backend])],
272 [],[enable_gss_keyring='auto'])
273 AC_MSG_RESULT([$enable_gss_keyring])
275 if test x$enable_gss_keyring != xno; then
276 LB_LINUX_CONFIG_IM([KEYS],[],
277 [gss_keyring_conf_test='fail';
278 AC_MSG_WARN([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
280 AC_CHECK_LIB([keyutils], [keyctl_search], [],
281 [gss_keyring_conf_test='fail';
282 AC_MSG_WARN([libkeyutils is not found, which is required by gss keyring backend])],)
284 if test x$gss_keyring_conf_test != xfail; then
285 AC_DEFINE([HAVE_GSS_KEYRING], [1], [Define this if you enable gss keyring backend])
286 enable_gss_keyring='yes'
288 if test x$enable_gss_keyring == xyes; then
289 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
291 AC_MSG_WARN([Cannot enable gss keyring. See above for details.])
297 AC_DEFUN([LC_CONFIG_SUNRPC],
298 [LB_LINUX_CONFIG_IM([SUNRPC],[],
299 [if test x$sunrpc_required == xyes; then
300 AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])
305 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
307 # Build gss and related tools of Lustre. Currently both kernel and user space
308 # parts are depend on linux platform.
310 AC_DEFUN([LC_CONFIG_GSS],
311 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
313 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
314 [],[enable_gss='auto'])
315 AC_MSG_RESULT([$enable_gss])
317 if test x$enable_gss != xno; then
318 LC_CONFIG_GSS_KEYRING
319 sunrpc_required=$enable_gss
323 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
324 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
325 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
326 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
327 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
328 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
329 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
330 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
332 require_krb5=$enable_gss
336 if test x$KRBDIR != x; then
337 AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
338 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi";
339 gss_conf_test='success'],
340 [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
341 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue";
342 gss_conf_test='success'],
343 [if test x$enable_gss == xyes; then
344 AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])
346 AC_MSG_WARN([libgssapi or libgssglue is not found, which is required by GSS.])
348 AC_SUBST(GSSAPI_LIBS)
351 if test x$gss_conf_test == xsuccess; then
352 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
359 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
360 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
361 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
362 # v3.1 onward have a 2 arg version (inode, mask)
363 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
364 [AC_MSG_CHECKING([inode_operations->permission has two args])
365 LB_LINUX_TRY_COMPILE([
366 #include <linux/fs.h>
368 struct inode *inode __attribute__ ((unused));
371 inode->i_op->permission(NULL, 0);
373 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
374 [inode_operations->permission has two args])
381 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
382 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
383 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
384 LB_LINUX_TRY_COMPILE([
385 #include <linux/blkdev.h>
387 blk_queue_max_segments(NULL, 0);
390 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
391 [blk_queue_max_segments is defined])
397 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
398 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
399 tmp_flags="$EXTRA_KCFLAGS"
400 EXTRA_KCFLAGS="-Werror"
401 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
402 LB_LINUX_TRY_COMPILE([
403 #include <linux/fs.h>
404 #include <linux/quota.h>
406 ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
408 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
412 AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct kqid & fs_disk_quota])
413 LB_LINUX_TRY_COMPILE([
414 #include <linux/fs.h>
415 #include <linux/quota.h>
417 ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
419 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
420 AC_DEFINE(HAVE_DQUOT_KQID, 1, [quotactl_ops.set_dqblk takes struct kqid])
424 AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct kqid&fs_disk_quota])
427 EXTRA_KCFLAGS="$tmp_flags"
430 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
431 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
432 [AC_MSG_CHECKING([if dquot_suspend is defined])
433 LB_LINUX_TRY_COMPILE([
434 #include <linux/quotaops.h>
436 dquot_suspend(NULL, -1);
438 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
448 # Check if kernel has been patched for 64-bit quota limits support.
449 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
450 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
451 # that in the absence of quotaio_v1.h in the kernel headers.
453 AC_DEFUN([LC_QUOTA64],[
454 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
455 tmp_flags="$EXTRA_KCFLAGS"
456 EXTRA_KCFLAGS="-I$LINUX/fs"
457 LB_LINUX_TRY_COMPILE([
458 #include <linux/kernel.h>
459 #include <linux/fs.h>
460 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
461 # include <quota/quotaio_v2.h>
462 struct v2r1_disk_dqblk dqblk_r1;
464 #include <linux/quota.h>
465 int ver = QFMT_VFS_V1;
468 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
471 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
472 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
476 EXTRA_KCFLAGS=$tmp_flags
480 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
482 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
483 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
484 LB_LINUX_TRY_COMPILE([
485 #include <asm/atomic.h>
486 #include <linux/spinlock.h>
487 #include <linux/fs_struct.h>
489 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
491 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
492 [fs_struct.lock use rwlock])
500 # 2.6.36 super_operations add evict_inode method. it hybird of
501 # delete_inode & clear_inode.
503 AC_DEFUN([LC_SBOPS_EVICT_INODE],
504 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
505 LB_LINUX_TRY_COMPILE([
506 #include <linux/fs.h>
508 ((struct super_operations *)0)->evict_inode(NULL);
510 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
511 [super_operations.evict_inode() is exist in kernel])
519 # 2.6.35 file_operations.fsync taken 2 arguments.
520 # 3.0.0 file_operations.fsync takes 4 arguments.
522 AC_DEFUN([LC_FILE_FSYNC],
523 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
524 LB_LINUX_TRY_COMPILE([
525 #include <linux/fs.h>
527 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
529 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
530 [file_operations.fsync takes 4 arguments])
531 AC_MSG_RESULT([yes, 4 args])
533 LB_LINUX_TRY_COMPILE([
534 #include <linux/fs.h>
536 ((struct file_operations *)0)->fsync(NULL, 0);
538 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
539 [file_operations.fsync takes 2 arguments])
540 AC_MSG_RESULT([yes, 2 args])
548 # 2.6.37 remove kernel_locked
550 AC_DEFUN([LC_KERNEL_LOCKED],
551 [AC_MSG_CHECKING([if kernel_locked is defined])
552 LB_LINUX_TRY_COMPILE([
553 #include <linux/smp_lock.h>
558 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
559 [kernel_locked is defined])
566 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
568 AC_DEFUN([LC_D_COMPARE_7ARGS],
569 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
570 LB_LINUX_TRY_COMPILE([
571 #include <linux/dcache.h>
573 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
575 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
576 [d_compare need 7 arguments])
584 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
586 AC_DEFUN([LC_D_DELETE_CONST],
587 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
588 tmp_flags="$EXTRA_KCFLAGS"
589 EXTRA_KCFLAGS="-Werror"
590 LB_LINUX_TRY_COMPILE([
591 #include <linux/dcache.h>
593 const struct dentry *d = NULL;
594 ((struct dentry_operations*)0)->d_delete(d);
596 AC_DEFINE(HAVE_D_DELETE_CONST, const,
597 [d_delete first parameter declared const])
600 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
603 EXTRA_KCFLAGS="$tmp_flags"
607 # 2.6.38 dcache_lock removed. rcu-walk commited.
609 AC_DEFUN([LC_DCACHE_LOCK],
610 [AC_MSG_CHECKING([if dcache_lock is exist])
611 LB_LINUX_TRY_COMPILE([
612 #include <linux/dcache.h>
614 spin_lock(&dcache_lock);
616 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
617 [dcache_lock is exist])
625 # 2.6.38 inode.i_rcu added.
627 AC_DEFUN([LC_INODE_I_RCU],
628 [AC_MSG_CHECKING([if inode.i_rcu exists])
629 LB_LINUX_TRY_COMPILE([
630 #include <linux/fs.h>
633 struct rcu_head rcu = {};
636 AC_DEFINE(HAVE_INODE_I_RCU, 1,
637 [inode.i_rcu exists])
645 # 2.6.38 export blkdev_get_by_dev
647 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
648 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
650 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
651 [blkdev_get_by_dev is exported by the kernel])
657 # 2.6.38 export simple_setattr
659 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
660 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
662 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
663 [simple_setattr is exported by the kernel])
669 # truncate callback removed since 2.6.39
671 AC_DEFUN([LC_IOP_TRUNCATE],
672 [AC_MSG_CHECKING([inode_operations has .truncate member function])
673 LB_LINUX_TRY_COMPILE([
674 #include <linux/fs.h>
676 ((struct inode_operations *)0)->truncate(NULL);
678 AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1,
679 [inode_operations has .truncate member function])
687 # 2.6.39 remove unplug_fn from request_queue.
689 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
690 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
691 LB_LINUX_TRY_COMPILE([
692 #include <linux/blkdev.h>
694 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
696 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
697 [request_queue has unplug_fn field])
705 # 2.6.39 replace get_sb with mount in struct file_system_type
707 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
708 [AC_MSG_CHECKING([if file_system_type has mount field])
709 LB_LINUX_TRY_COMPILE([
710 #include <linux/fs.h>
712 struct file_system_type fst;
713 void *i = (void *) fst.mount;
715 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
716 [struct file_system_type has mount field])
724 # 3.0 dirty_inode() has a flag parameter
725 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
727 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
728 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
729 LB_LINUX_TRY_COMPILE([
730 #include <linux/fs.h>
733 inode->i_sb->s_op->dirty_inode(NULL, 0);
735 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
736 [dirty_inode super_operation takes flag])
744 # 2.6.38 generic_permission taken 4 parameters.
745 # in fact, it means rcu-walk aware permission bring.
747 # 3.1 generic_permission taken 2 parameters.
748 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
750 AC_DEFUN([LC_GENERIC_PERMISSION],
751 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
752 LB_LINUX_TRY_COMPILE([
753 #include <linux/fs.h>
755 generic_permission(NULL, 0);
757 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
758 [generic_permission taken 2 arguments])
759 AC_MSG_RESULT([yes, 2 args])
761 LB_LINUX_TRY_COMPILE([
762 #include <linux/fs.h>
764 generic_permission(NULL, 0, 0, NULL);
766 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
767 [generic_permission taken 4 arguments])
768 AC_MSG_RESULT([yes, 4 args])
776 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
777 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
779 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
780 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
781 LB_LINUX_TRY_COMPILE([
782 #include <linux/fs.h>
784 struct lock_manager_operations lm_ops;
785 lm_ops.lm_compare_owner = NULL;
787 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
788 [lock-manager ops renamed to lm_xxx])
796 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
797 # inode_dio_done instead.
798 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
800 AC_DEFUN([LC_INODE_DIO_WAIT],
801 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
802 LB_LINUX_TRY_COMPILE([
803 #include <linux/fs.h>
805 inode_dio_wait((struct inode *)0);
806 inode_dio_done((struct inode *)0);
808 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
809 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
817 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
818 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
820 AC_DEFUN([LC_IOP_GET_ACL],
821 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
822 LB_LINUX_TRY_COMPILE([
823 #include <linux/fs.h>
825 struct inode_operations iop;
828 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
829 [inode_operations has .get_acl member function])
837 # 3.1 introduced generic_file_llseek_size()
839 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
840 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
842 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
843 [generic_file_llseek_size is exported by the kernel])])
847 # 3.2 request_queue.make_request_fn defined as function returns with void
848 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
850 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
851 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
852 LB_LINUX_TRY_COMPILE([
853 #include <linux/blkdev.h>
856 make_request_fn *mrf;
857 ret = mrf(NULL, NULL);
861 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
862 [request_queue.make_request_fn returns void but not int])
868 # 3.2 protects inode->i_nlink from direct modification
869 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
870 # at the same time adds set_nlink(), so checks set_nlink() for it.
872 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
873 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
874 LB_LINUX_TRY_COMPILE([
875 #include <linux/fs.h>
880 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
881 [inode->i_nlink is protected from direct modification])
889 # 3.3 introduces migrate_mode.h and migratepage has 4 args
891 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
892 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
893 AC_DEFINE(HAVE_MIGRATE_H, 1,
894 [kernel has include/linux/migrate.h])
895 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
896 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
897 [kernel has include/linux/migrate_mode.h])
904 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
905 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
906 LB_LINUX_TRY_COMPILE([
907 #include <linux/fs.h>
908 #ifdef HAVE_MIGRATE_H
909 #include <linux/migrate.h>
910 #elif defined(HAVE_MIGRATE_MODE_H)
911 #include <linux/migrate_mode.h>
914 struct address_space_operations aops;
916 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
918 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
919 [address_space_operations.migratepage has 4 args])
927 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
928 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
930 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
931 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
932 tmp_flags="$EXTRA_KCFLAGS"
933 EXTRA_KCFLAGS="-Werror"
934 LB_LINUX_TRY_COMPILE([
935 #include <linux/fs.h>
936 int show_options(struct seq_file *seq, struct dentry *root){
940 struct super_operations ops;
941 ops.show_options = show_options;
943 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
944 [super_operations use dentry as parameter])
949 EXTRA_KCFLAGS="$tmp_flags"
953 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
954 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
956 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
957 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
958 tmp_flags="$EXTRA_KCFLAGS"
959 EXTRA_KCFLAGS="-Werror"
960 LB_LINUX_TRY_COMPILE([
961 #include <linux/fs.h>
962 #include <linux/types.h>
963 int my_mknod(struct inode *dir, struct dentry *dchild,
964 umode_t mode, dev_t dev)
969 struct inode_operations ops;
970 ops.mknod = my_mknod;
972 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
973 [inode_operations use umode_t as parameter])
978 EXTRA_KCFLAGS="$tmp_flags"
981 # 3.4 kmap_atomic removes second argument
982 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
984 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
985 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
986 LB_LINUX_TRY_COMPILE([
987 #include <linux/highmem.h>
991 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
992 [have kmap_atomic has only 1 argument])
1000 # 3.4 switchs touch_atime to struct path
1001 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1003 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1004 [AC_MSG_CHECKING([if touch_atime use one argument])
1005 LB_LINUX_TRY_COMPILE([
1006 #include <linux/fs.h>
1008 touch_atime((struct path *)NULL);
1010 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1011 [touch_atime use one argument])
1012 AC_MSG_RESULT([yes])
1019 # 3.4 converts d_alloc_root to d_make_root
1020 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1022 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1023 [AC_MSG_CHECKING([if have d_make_root])
1024 LB_LINUX_TRY_COMPILE([
1025 #include <linux/fs.h>
1027 d_make_root((struct inode *)NULL);
1029 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1031 AC_MSG_RESULT([yes])
1038 # 3.4 cache_register/cache_unregister are removed
1039 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1040 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1041 # are defined, but not exported.
1042 # 3.3 cache_register_net/cache_unregister_net are
1043 # exported and replacing cache_register/cache_unregister in 3.4
1045 AC_DEFUN([LC_HAVE_CACHE_REGISTER],
1046 [AC_MSG_CHECKING([if have cache_register])
1047 LB_LINUX_TRY_COMPILE([
1048 #include <linux/sunrpc/cache.h>
1050 cache_register(NULL);
1052 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1053 [have cache_register])
1054 AC_MSG_RESULT([yes])
1061 # 3.5 renames end_writeback() back to clear_inode()...
1062 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1064 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1065 [AC_MSG_CHECKING([if have clear_inode])
1066 LB_LINUX_TRY_COMPILE([
1067 #include <linux/fs.h>
1069 clear_inode((struct inode *)NULL);
1071 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1073 AC_MSG_RESULT([yes])
1080 # 3.5 encode_fh has parent inode passed in directly
1081 # see kernel commit b0b0382b
1083 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1084 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1085 tmp_flags="$EXTRA_KCFLAGS"
1086 EXTRA_KCFLAGS="-Werror"
1087 LB_LINUX_TRY_COMPILE([
1088 #include <linux/exportfs.h>
1089 #include <linux/fs.h>
1090 #include <linux/types.h>
1091 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1096 struct export_operations exp_op;
1097 exp_op.encode_fh = ll_encode_fh;
1099 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1100 [have parent inode as parameter])
1101 AC_MSG_RESULT([yes])
1105 EXTRA_KCFLAGS="$tmp_flags"
1108 # 3.5 has generic_file_llseek_size with 5 args
1109 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1110 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1111 LB_LINUX_TRY_COMPILE([
1112 #include <linux/fs.h>
1114 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1116 AC_MSG_RESULT([yes])
1117 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1118 [kernel has generic_file_llseek_size with 5 args])
1125 # 3.6 switch i_dentry/d_alias from list to hlist
1127 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1128 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1129 tmp_flags="$EXTRA_KCFLAGS"
1130 EXTRA_KCFLAGS="-Werror"
1131 LB_LINUX_TRY_COMPILE([
1132 #include <linux/fs.h>
1133 #include <linux/list.h>
1136 struct dentry dentry;
1137 struct hlist_head head;
1138 struct hlist_node node;
1139 inode.i_dentry = head;
1140 dentry.d_alias = node;
1142 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1143 [have i_dentry/d_alias uses hlist])
1144 AC_MSG_RESULT([yes])
1148 EXTRA_KCFLAGS="$tmp_flags"
1152 # 3.6 dentry_open uses struct path as first argument
1153 # see kernel commit 765927b2
1155 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1156 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1157 tmp_flags="$EXTRA_KCFLAGS"
1158 EXTRA_KCFLAGS="-Werror"
1159 LB_LINUX_TRY_COMPILE([
1160 #include <linux/fs.h>
1161 #include <linux/path.h>
1164 dentry_open(&path, 0, NULL);
1166 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1167 [dentry_open uses struct path as first argument])
1168 AC_MSG_RESULT([yes])
1172 EXTRA_KCFLAGS="$tmp_flags"
1176 # 3.6 vfs adds iop->atomic_open
1178 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1179 [AC_MSG_CHECKING([if iop has atomic_open])
1180 LB_LINUX_TRY_COMPILE([
1181 #include <linux/fs.h>
1183 struct inode_operations iop;
1184 iop.atomic_open = NULL;
1186 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1187 [have iop atomic_open])
1188 AC_MSG_RESULT([yes])
1195 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1197 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1198 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1199 LB_LINUX_TRY_COMPILE([
1200 #include <linux/fs.h>
1201 #include <linux/posix_acl_xattr.h>
1203 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1205 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1206 [posix_acl_to_xattr takes struct user_namespace])
1207 AC_MSG_RESULT([yes])
1214 # 3.8 struct file has new member f_inode
1216 AC_DEFUN([LC_HAVE_FILE_F_INODE],
1217 [AC_MSG_CHECKING([if struct file has memeber f_inode])
1218 LB_LINUX_TRY_COMPILE([
1219 #include <linux/fs.h>
1221 ((struct file *)0)->f_inode = NULL;
1223 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1224 [struct file has memeber f_inode])
1225 AC_MSG_RESULT([yes])
1231 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS],
1232 [AC_MSG_CHECKING([if sunrpc_cache_pipe_upcall takes 3 args])
1233 LB_LINUX_TRY_COMPILE([
1234 #include <linux/sunrpc/cache.h>
1236 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1238 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1239 [sunrpc_cache_pipe_upcall takes 3 args])
1240 AC_MSG_RESULT([yes])
1247 # 3.9 uses hlist_for_each_entry with 3 args
1248 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1250 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1251 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1252 LB_LINUX_TRY_COMPILE([
1253 #include <linux/list.h>
1254 #include <linux/fs.h>
1256 struct inode *inode;
1257 struct dentry *dentry;
1258 hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1262 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1263 AC_MSG_RESULT([yes])
1270 # 3.9 killed f_vfsmnt by
1271 # 182be684784334598eee1d90274e7f7aa0063616
1272 # replacement is f_path.mnt
1274 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1275 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1276 LB_LINUX_TRY_COMPILE([
1277 #include <linux/fs.h>
1279 struct file *fp = NULL;
1282 path.mnt = fp->f_path.mnt;
1284 AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1285 AC_MSG_RESULT([yes])
1292 # 3.10+ only supports procfs seq_files handling
1294 AC_DEFUN([LC_HAVE_ONLY_PROCFS_SEQ],
1295 [AC_MSG_CHECKING([if procfs only supports using seq_files])
1296 LB_LINUX_TRY_COMPILE([
1297 #include <linux/proc_fs.h>
1299 ((struct proc_dir_entry *)0)->write_proc(NULL, NULL, 0, NULL);
1303 AC_DEFINE(HAVE_ONLY_PROCFS_SEQ, 1, [only seq_files supported])
1304 AC_MSG_RESULT([yes])
1308 # 3.10 release for block device doesn't return int
1309 AC_DEFUN([LC_BLKDEV_RELEASE_RETURN_INT],
1310 [AC_MSG_CHECKING([if block_device_operations release returns int])
1311 LB_LINUX_TRY_COMPILE([
1312 #include <linux/blkdev.h>
1314 struct block_device_operations fops;
1315 int i __attribute__ ((unused));
1317 i = fops.release(NULL,0);
1319 AC_MSG_RESULT([yes])
1320 AC_DEFINE(HAVE_BLKDEV_RELEASE_RETURN_INT, 1,
1321 [block device release returns int])
1328 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1330 AC_DEFUN([LC_D_COMPARE_5ARGS],
1331 [AC_MSG_CHECKING([if d_compare taken 5 arguments])
1332 LB_LINUX_TRY_COMPILE([
1333 #include <linux/dcache.h>
1335 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1337 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1338 [d_compare need 5 arguments])
1339 AC_MSG_RESULT([yes])
1346 # 3.11 need to access d_count to get dentry reference count
1348 AC_DEFUN([LC_HAVE_DCOUNT],
1349 [AC_MSG_CHECKING([if d_count exist])
1350 LB_LINUX_TRY_COMPILE([
1351 #include <linux/dcache.h>
1357 AC_DEFINE(HAVE_D_COUNT, 1, [d_count exist])
1358 AC_MSG_RESULT([yes])
1367 # Lustre linux kernel checks
1369 AC_DEFUN([LC_PROG_LINUX],
1373 LC_CONFIG_LIBLUSTRE_RECOVERY
1374 LC_CONFIG_HEALTH_CHECK_WRITE
1375 LC_CONFIG_LRU_RESIZE
1376 LC_LLITE_LLOOP_MODULE
1383 LC_BLK_QUEUE_MAX_SEGMENTS
1386 LC_HAVE_DQUOT_FS_DISK_QUOTA
1387 LC_HAVE_DQUOT_SUSPEND
1391 LC_EXPORT_SIMPLE_SETATTR
1392 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
1396 LC_SBOPS_EVICT_INODE
1402 LC_BLKDEV_GET_BY_DEV
1403 LC_GENERIC_PERMISSION
1410 LC_REQUEST_QUEUE_UNPLUG_FN
1411 LC_HAVE_FSTYPE_MOUNT
1415 LC_DIRTY_INODE_WITH_FLAG
1418 LC_LM_XXX_LOCK_MANAGER_OPS
1422 LC_INODE_PERMISION_2ARGS
1425 LC_HAVE_VOID_MAKE_REQUEST_FN
1426 LC_HAVE_PROTECT_I_NLINK
1429 LC_HAVE_MIGRATE_HEADER
1430 LC_MIGRATEPAGE_4ARGS
1431 LC_SUPEROPS_USE_DENTRY
1432 LC_INODEOPS_USE_UMODE_T
1433 LC_HAVE_CACHE_REGISTER
1438 LC_KMAP_ATOMIC_HAS_1ARG
1442 LC_HAVE_ENCODE_FH_PARENT
1443 LC_FILE_LLSEEK_SIZE_5ARG
1446 LC_HAVE_DENTRY_D_ALIAS_HLIST
1447 LC_DENTRY_OPEN_USE_PATH
1448 LC_HAVE_IOP_ATOMIC_OPEN
1451 LC_HAVE_POSIXACL_USER_NS
1454 LC_HAVE_FILE_F_INODE
1455 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1458 LC_HAVE_HLIST_FOR_EACH_3ARG
1462 LC_HAVE_ONLY_PROCFS_SEQ
1463 LC_BLKDEV_RELEASE_RETURN_INT
1470 if test x$enable_server != xno ; then
1471 LC_FUNC_DEV_SET_RDONLY
1481 # Check whether to build the client side of Lustre
1483 AC_DEFUN([LC_CONFIG_CLIENT],
1484 [AC_MSG_CHECKING([whether to build Lustre client support])
1485 AC_ARG_ENABLE([client],
1486 AC_HELP_STRING([--disable-client],
1487 [disable Lustre client support]),
1488 [],[enable_client='yes'])
1489 AC_MSG_RESULT([$enable_client])
1493 # LC_CONFIG_LIBLUSTRE
1495 # whether to build liblustre
1497 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1498 [AC_MSG_CHECKING([whether to build Lustre library])
1499 AC_ARG_ENABLE([liblustre],
1500 AC_HELP_STRING([--disable-liblustre],
1501 [disable building of Lustre library]),
1502 [],[enable_liblustre=$with_sysio])
1503 AC_MSG_RESULT([$enable_liblustre])
1504 # only build sysio if liblustre is built
1505 with_sysio="$enable_liblustre"
1507 AC_MSG_CHECKING([whether to build liblustre tests])
1508 AC_ARG_ENABLE([liblustre-tests],
1509 AC_HELP_STRING([--enable-liblustre-tests],
1510 [enable liblustre tests, if --disable-tests is used]),
1511 [],[enable_liblustre_tests=$enable_tests])
1512 if test x$enable_liblustre != xyes ; then
1513 enable_liblustre_tests='no'
1515 AC_MSG_RESULT([$enable_liblustre_tests])
1517 AC_MSG_CHECKING([whether to enable liblustre acl])
1518 AC_ARG_ENABLE([liblustre-acl],
1519 AC_HELP_STRING([--disable-liblustre-acl],
1520 [disable ACL support for liblustre]),
1521 [],[enable_liblustre_acl=yes])
1522 AC_MSG_RESULT([$enable_liblustre_acl])
1523 if test x$enable_liblustre_acl = xyes ; then
1524 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1530 AC_ARG_ENABLE(mpitests,
1531 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1532 [include mpi tests]),
1543 MPICC_WRAPPER=$enableval
1553 if test x$enable_mpitests != xno; then
1554 AC_MSG_CHECKING([whether mpitests can be built])
1562 MPI_Initialized(&flag);
1565 AC_MSG_RESULT([yes])
1572 AC_SUBST(MPICC_WRAPPER)
1574 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1575 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1578 LC_CONFIG_LIBLUSTRE_RECOVERY
1584 # whether to enable quota support global control
1586 AC_DEFUN([LC_CONFIG_QUOTA],
1587 [AC_ARG_ENABLE([quota],
1588 AC_HELP_STRING([--enable-quota],
1589 [enable quota support]),
1590 [],[enable_quota='yes'])
1593 AC_DEFUN([LC_QUOTA],
1597 if test x$enable_quota != xno -a x$enable_utils != xno; then
1598 AC_CHECK_HEADER(sys/quota.h,
1599 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1600 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1607 # whether to enable split support
1609 AC_DEFUN([LC_CONFIG_SPLIT],
1610 [AC_MSG_CHECKING([whether to enable split support])
1611 AC_ARG_ENABLE([split],
1612 AC_HELP_STRING([--enable-split],
1613 [enable split support]),
1614 [],[enable_split='no'])
1615 AC_MSG_RESULT([$enable_split])
1616 if test x$enable_split != xno; then
1617 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1622 # LC_CONFIG_NODEMAP_PROC_DEBUG
1624 # enable nodemap proc file debugging
1626 AC_DEFUN([LC_NODEMAP_PROC_DEBUG],
1627 [AC_MSG_CHECKING([whether to enable nodemap proc debug])
1628 AC_ARG_ENABLE([nodemap_proc_debug],
1629 AC_HELP_STRING([--enable-nodemap-proc-debug],
1630 [enable nodemap proc debug]),
1631 [],[enable_nodemap_proc_debug='no'])
1632 AC_MSG_RESULT([$enable_nodemap_proc_debug])
1633 if test x$enable_nodemap_proc_debug != xno; then
1634 AC_DEFINE(NODEMAP_PROC_DEBUG, 1, [enable nodemap proc debug support])
1639 # LC_LLITE_LLOOP_MODULE
1640 # lloop_llite.ko does not currently work with page sizes
1643 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1644 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1645 LB_LINUX_TRY_COMPILE([
1646 #include <asm/page.h>
1648 #if PAGE_SIZE >= 65536
1649 #error "PAGE_SIZE >= 65536"
1652 enable_llite_lloop_module='yes'
1653 AC_MSG_RESULT([yes])
1655 enable_llite_lloop_module='no'
1663 # configure support for optional OSD implementation
1665 AC_DEFUN([LC_OSD_ADDON],
1666 [AC_MSG_CHECKING([for osd])
1668 AC_HELP_STRING([--with-osd=path],
1669 [set path to optional osd]),
1672 no) ENABLEOSDADDON=0
1674 *) OSDADDON="${with_osd}"
1681 if test $ENABLEOSDADDON -eq 0; then
1685 OSDMODNAME=`basename $OSDADDON`
1686 if test -e $LUSTRE/$OSDMODNAME; then
1687 AC_MSG_RESULT([can't link])
1689 elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1690 AC_MSG_RESULT([$OSDMODNAME])
1691 OSDADDON="subdir-m += $OSDMODNAME"
1693 AC_MSG_RESULT([can't link])
1703 # other configure checks
1705 AC_DEFUN([LC_CONFIGURE],
1706 [LC_CONFIG_OBD_BUFFER_SIZE
1708 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1709 CFLAGS="$CFLAGS -Werror"
1712 # maximum MDS thread count
1715 # include/liblustre.h
1716 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1718 # liblustre/llite_lib.h
1719 AC_CHECK_HEADERS([xtio.h file.h])
1722 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1725 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1726 AC_CHECK_FUNCS([inet_ntoa])
1728 # libsysio/src/readlink.c
1731 # libcfs prng.c - depends on linux/types.h from liblustre/dir.c
1732 AC_CHECK_HEADERS([linux/random.h], [], [],
1733 [#ifdef HAVE_LINUX_TYPES_H
1734 # include <linux/types.h>
1739 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1741 # check for -lz support
1745 [AC_CHECK_HEADERS([zlib.h],
1747 AC_DEFINE([HAVE_ADLER], 1,
1748 [support alder32 checksum type])],
1749 [AC_MSG_WARN([No zlib-devel package found,
1750 unable to use adler32 checksum])])],
1751 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1756 AC_CHECK_LIB([selinux],
1757 [is_selinux_enabled],
1758 [AC_CHECK_HEADERS([selinux.h],
1759 [SELINUX="-lselinux"
1760 AC_DEFINE([HAVE_SELINUX], 1,
1761 [support for selinux ])],
1762 [AC_MSG_WARN([No selinux-devel package found,
1763 unable to build selinux enabled
1765 [AC_MSG_WARN([No selinux package found, unable to build selinux
1771 AC_ARG_ENABLE([mindf],
1772 AC_HELP_STRING([--enable-mindf],
1773 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1775 if test "$enable_mindf" = "yes" ; then
1776 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1779 AC_ARG_ENABLE([fail_alloc],
1780 AC_HELP_STRING([--disable-fail-alloc],
1781 [disable randomly alloc failure]),
1782 [],[enable_fail_alloc=yes])
1783 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1784 AC_MSG_RESULT([$enable_fail_alloc])
1785 if test x$enable_fail_alloc != xno ; then
1786 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1789 AC_ARG_ENABLE([invariants],
1790 AC_HELP_STRING([--enable-invariants],
1791 [enable invariant checking (cpu intensive)]),
1793 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
1794 AC_MSG_RESULT([$enable_invariants])
1795 if test x$enable_invariants = xyes ; then
1796 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
1799 AC_ARG_ENABLE([lu_ref],
1800 AC_HELP_STRING([--enable-lu_ref],
1801 [enable lu_ref reference tracking code]),
1803 AC_MSG_CHECKING([whether to track references with lu_ref])
1804 AC_MSG_RESULT([$enable_lu_ref])
1805 if test x$enable_lu_ref = xyes ; then
1806 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
1809 AC_ARG_ENABLE([pgstate-track],
1810 AC_HELP_STRING([--enable-pgstate-track],
1811 [enable page state tracking]),
1812 [enable_pgstat_track='yes'],[])
1813 AC_MSG_CHECKING([whether to enable page state tracking])
1814 AC_MSG_RESULT([$enable_pgstat_track])
1815 if test x$enable_pgstat_track = xyes ; then
1816 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
1817 [enable page state tracking code])
1824 # AM_CONDITIONALS for lustre
1826 AC_DEFUN([LC_CONDITIONALS],
1827 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1828 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1829 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1830 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1831 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1832 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1833 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1834 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1835 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1836 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1837 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1838 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1839 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1845 # files that should be generated with AC_OUTPUT
1847 AC_DEFUN([LC_CONFIG_FILES],
1851 lustre/autoconf/Makefile
1852 lustre/conf/Makefile
1853 lustre/contrib/Makefile
1855 lustre/include/Makefile
1856 lustre/include/lustre_ver.h
1857 lustre/include/linux/Makefile
1858 lustre/include/darwin/Makefile
1859 lustre/include/lustre/Makefile
1860 lustre/kernel_patches/targets/2.6-rhel6.target
1861 lustre/kernel_patches/targets/2.6-rhel5.target
1862 lustre/kernel_patches/targets/2.6-sles11.target
1863 lustre/kernel_patches/targets/3.0-sles11.target
1864 lustre/kernel_patches/targets/3.0-sles11sp3.target
1865 lustre/kernel_patches/targets/2.6-fc11.target
1866 lustre/kernel_patches/targets/2.6-fc12.target
1867 lustre/kernel_patches/targets/2.6-fc15.target
1868 lustre/kernel_patches/targets/3.x-fc18.target
1869 lustre/ldlm/Makefile
1871 lustre/fid/autoMakefile
1872 lustre/liblustre/Makefile
1873 lustre/liblustre/tests/Makefile
1874 lustre/liblustre/tests/mpi/Makefile
1875 lustre/llite/Makefile
1876 lustre/llite/autoMakefile
1877 lustre/lclient/Makefile
1879 lustre/lov/autoMakefile
1881 lustre/mdc/autoMakefile
1883 lustre/lmv/autoMakefile
1884 lustre/lfsck/Makefile
1885 lustre/lfsck/autoMakefile
1887 lustre/mdt/autoMakefile
1888 lustre/nodemap/Makefile
1889 lustre/nodemap/autoMakefile
1891 lustre/mdd/autoMakefile
1893 lustre/fld/autoMakefile
1894 lustre/obdclass/Makefile
1895 lustre/obdclass/autoMakefile
1896 lustre/obdclass/linux/Makefile
1897 lustre/obdecho/Makefile
1898 lustre/obdecho/autoMakefile
1900 lustre/ofd/autoMakefile
1902 lustre/osc/autoMakefile
1904 lustre/ost/autoMakefile
1905 lustre/osd-ldiskfs/Makefile
1906 lustre/osd-ldiskfs/autoMakefile
1907 lustre/osd-zfs/Makefile
1908 lustre/osd-zfs/autoMakefile
1910 lustre/mgc/autoMakefile
1912 lustre/mgs/autoMakefile
1913 lustre/target/Makefile
1914 lustre/ptlrpc/Makefile
1915 lustre/ptlrpc/autoMakefile
1916 lustre/ptlrpc/gss/Makefile
1917 lustre/ptlrpc/gss/autoMakefile
1918 lustre/quota/Makefile
1919 lustre/quota/autoMakefile
1920 lustre/scripts/Makefile
1921 lustre/tests/Makefile
1922 lustre/tests/mpi/Makefile
1923 lustre/utils/Makefile
1924 lustre/utils/gss/Makefile
1926 lustre/osp/autoMakefile
1928 lustre/lod/autoMakefile
1929 lustre/obdclass/darwin/Makefile