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 #2.6.18 + RHEL5 (fc6)
361 # raid5-zerocopy patch
366 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
367 # it support constant page, which means the page won't be modified during the
370 AC_DEFUN([LC_PAGE_CONSTANT],
371 [AC_MSG_CHECKING([if kernel have PageConstant defined])
372 LB_LINUX_TRY_COMPILE([
373 #include <linux/mm.h>
374 #include <linux/page-flags.h>
377 #error "Have no raid5 zcopy patch"
381 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
389 # 2.6.24 has bio_endio with 2 args
390 AC_DEFUN([LC_BIO_ENDIO_2ARG],
391 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
392 LB_LINUX_TRY_COMPILE([
393 #include <linux/bio.h>
398 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
399 [kernel has bio_endio with 2 args])
405 # 2.6.24 removes long aged procfs entry -> deleted member
406 AC_DEFUN([LC_PROCFS_DELETED],
407 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
408 LB_LINUX_TRY_COMPILE([
409 #include <linux/proc_fs.h>
411 struct proc_dir_entry pde;
413 pde.deleted = sizeof(pde);
416 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
417 [kernel has deleted member in procfs entry struct])
427 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
428 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
429 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
430 # v3.1 onward have a 2 arg version (inode, mask)
431 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
432 [AC_MSG_CHECKING([inode_operations->permission has two args])
433 LB_LINUX_TRY_COMPILE([
434 #include <linux/fs.h>
436 struct inode *inode __attribute__ ((unused));
439 inode->i_op->permission(NULL, 0);
441 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
442 [inode_operations->permission has two args])
449 # 2.6.27 use 5th parameter in quota_on for remount.
450 AC_DEFUN([LC_QUOTA_ON_5ARGS],
451 [AC_MSG_CHECKING([quota_on needs 5 parameters])
452 LB_LINUX_TRY_COMPILE([
453 #include <linux/fs.h>
454 #include <linux/quota.h>
456 struct quotactl_ops *qop = NULL;
457 qop->quota_on(NULL, 0, 0, NULL, 0);
459 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
460 [quota_on needs 5 paramters])
467 # 2.6.27 use 3th parameter in quota_off for remount.
468 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
469 [AC_MSG_CHECKING([quota_off needs 3 parameters])
470 LB_LINUX_TRY_COMPILE([
471 #include <linux/fs.h>
472 #include <linux/quota.h>
474 struct quotactl_ops *qop = NULL;
475 qop->quota_off(NULL, 0, 0);
477 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
478 [quota_off needs 3 paramters])
485 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
486 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
487 tmp_flags="$EXTRA_KCFLAGS"
488 EXTRA_KCFLAGS="-Werror"
489 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
490 LB_LINUX_TRY_COMPILE([
491 #include <linux/fs.h>
492 #include <linux/quota.h>
494 struct quotactl_ops qops = {};
495 struct fs_disk_quota fdq;
496 qops.set_dqblk(NULL, 0, 0, &fdq);
498 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
503 EXTRA_KCFLAGS="$tmp_flags"
506 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
507 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
508 [AC_MSG_CHECKING([if dquot_suspend is defined])
509 LB_LINUX_TRY_COMPILE([
510 #include <linux/quotaops.h>
512 dquot_suspend(NULL, -1);
514 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
523 # 2.6.27 sles11 remove the bi_hw_segments
524 AC_DEFUN([LC_BI_HW_SEGMENTS],
525 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
526 LB_LINUX_TRY_COMPILE([
527 #include <linux/bio.h>
530 io.bi_hw_segments = sizeof(io);
532 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
533 [struct bio has a bi_hw_segments field])
541 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
542 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
543 AC_DEFUN([LC_HAVE_QUOTAIO_H],
544 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
545 AC_DEFINE(HAVE_QUOTAIO_H, 1,
546 [kernel has include/linux/quotaio_v2.h])
547 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
548 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
549 [kernel has fs/quotaio_v1.h])
550 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
551 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
552 [kernel has fs/quota/quotaio_v2.h])
562 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
563 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
564 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
565 LB_LINUX_TRY_COMPILE([
566 #include <linux/blkdev.h>
568 blk_queue_max_segments(NULL, 0);
571 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
572 [blk_queue_max_segments is defined])
581 # Check if kernel has been patched for 64-bit quota limits support.
582 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
583 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
584 # that in the absence of quotaio_v1.h in the kernel headers.
586 AC_DEFUN([LC_QUOTA64],[
587 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
588 tmp_flags="$EXTRA_KCFLAGS"
589 EXTRA_KCFLAGS="-I$LINUX/fs"
590 LB_LINUX_TRY_COMPILE([
591 #include <linux/kernel.h>
592 #include <linux/fs.h>
593 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
594 # include <quota/quotaio_v2.h>
595 struct v2r1_disk_dqblk dqblk_r1;
597 #include <linux/quota.h>
598 int ver = QFMT_VFS_V1;
601 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
604 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
605 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
609 EXTRA_KCFLAGS=$tmp_flags
613 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
615 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
616 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
617 LB_LINUX_TRY_COMPILE([
618 #include <asm/atomic.h>
619 #include <linux/spinlock.h>
620 #include <linux/fs_struct.h>
622 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
624 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
625 [fs_struct.lock use rwlock])
633 # 2.6.36 super_operations add evict_inode method. it hybird of
634 # delete_inode & clear_inode.
636 AC_DEFUN([LC_SBOPS_EVICT_INODE],
637 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
638 LB_LINUX_TRY_COMPILE([
639 #include <linux/fs.h>
641 ((struct super_operations *)0)->evict_inode(NULL);
643 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
644 [super_operations.evict_inode() is exist in kernel])
652 # 2.6.35 file_operations.fsync taken 2 arguments.
653 # 3.0.0 file_operations.fsync takes 4 arguments.
655 AC_DEFUN([LC_FILE_FSYNC],
656 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
657 LB_LINUX_TRY_COMPILE([
658 #include <linux/fs.h>
660 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
662 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
663 [file_operations.fsync takes 4 arguments])
664 AC_MSG_RESULT([yes, 4 args])
666 LB_LINUX_TRY_COMPILE([
667 #include <linux/fs.h>
669 ((struct file_operations *)0)->fsync(NULL, 0);
671 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
672 [file_operations.fsync takes 2 arguments])
673 AC_MSG_RESULT([yes, 2 args])
681 # 2.6.37 remove kernel_locked
683 AC_DEFUN([LC_KERNEL_LOCKED],
684 [AC_MSG_CHECKING([if kernel_locked is defined])
685 LB_LINUX_TRY_COMPILE([
686 #include <linux/smp_lock.h>
691 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
692 [kernel_locked is defined])
699 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
701 AC_DEFUN([LC_D_COMPARE_7ARGS],
702 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
703 LB_LINUX_TRY_COMPILE([
704 #include <linux/dcache.h>
706 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
708 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
709 [d_compare need 7 arguments])
717 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
719 AC_DEFUN([LC_D_DELETE_CONST],
720 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
721 tmp_flags="$EXTRA_KCFLAGS"
722 EXTRA_KCFLAGS="-Werror"
723 LB_LINUX_TRY_COMPILE([
724 #include <linux/dcache.h>
726 const struct dentry *d = NULL;
727 ((struct dentry_operations*)0)->d_delete(d);
729 AC_DEFINE(HAVE_D_DELETE_CONST, const,
730 [d_delete first parameter declared const])
733 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
736 EXTRA_KCFLAGS="$tmp_flags"
740 # 2.6.38 dcache_lock removed. rcu-walk commited.
742 AC_DEFUN([LC_DCACHE_LOCK],
743 [AC_MSG_CHECKING([if dcache_lock is exist])
744 LB_LINUX_TRY_COMPILE([
745 #include <linux/dcache.h>
747 spin_lock(&dcache_lock);
749 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
750 [dcache_lock is exist])
758 # 2.6.38 inode.i_rcu added.
760 AC_DEFUN([LC_INODE_I_RCU],
761 [AC_MSG_CHECKING([if inode.i_rcu exists])
762 LB_LINUX_TRY_COMPILE([
763 #include <linux/fs.h>
766 struct rcu_head rcu = {};
769 AC_DEFINE(HAVE_INODE_I_RCU, 1,
770 [inode.i_rcu exists])
778 # 2.6.38 export blkdev_get_by_dev
780 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
781 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
783 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
784 [blkdev_get_by_dev is exported by the kernel])
790 # 2.6.38 use path as 4th parameter in quota_on.
792 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
793 [AC_MSG_CHECKING([quota_on use path as parameter])
794 tmp_flags="$EXTRA_KCFLAGS"
795 EXTRA_KCFLAGS="-Werror"
796 LB_LINUX_TRY_COMPILE([
797 #include <linux/fs.h>
798 #include <linux/quota.h>
800 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
802 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
803 [quota_on use path as 4th paramter])
808 EXTRA_KCFLAGS="$tmp_flags"
812 # 2.6.38 export simple_setattr
814 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
815 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
817 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
818 [simple_setattr is exported by the kernel])
824 # 2.6.39 remove unplug_fn from request_queue.
826 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
827 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
828 LB_LINUX_TRY_COMPILE([
829 #include <linux/blkdev.h>
831 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
833 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
834 [request_queue has unplug_fn field])
842 # 2.6.39 replace get_sb with mount in struct file_system_type
844 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
845 [AC_MSG_CHECKING([if file_system_type has mount field])
846 LB_LINUX_TRY_COMPILE([
847 #include <linux/fs.h>
849 struct file_system_type fst;
850 void *i = (void *) fst.mount;
852 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
853 [struct file_system_type has mount field])
861 # 3.0 dirty_inode() has a flag parameter
862 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
864 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
865 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
866 LB_LINUX_TRY_COMPILE([
867 #include <linux/fs.h>
870 inode->i_sb->s_op->dirty_inode(NULL, 0);
872 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
873 [dirty_inode super_operation takes flag])
881 # 2.6.38 generic_permission taken 4 parameters.
882 # in fact, it means rcu-walk aware permission bring.
884 # 3.1 generic_permission taken 2 parameters.
885 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
887 AC_DEFUN([LC_GENERIC_PERMISSION],
888 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
889 LB_LINUX_TRY_COMPILE([
890 #include <linux/fs.h>
892 generic_permission(NULL, 0);
894 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
895 [generic_permission taken 2 arguments])
896 AC_MSG_RESULT([yes, 2 args])
898 LB_LINUX_TRY_COMPILE([
899 #include <linux/fs.h>
901 generic_permission(NULL, 0, 0, NULL);
903 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
904 [generic_permission taken 4 arguments])
905 AC_MSG_RESULT([yes, 4 args])
913 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
914 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
916 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
917 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
918 LB_LINUX_TRY_COMPILE([
919 #include <linux/fs.h>
921 struct lock_manager_operations lm_ops;
922 lm_ops.lm_compare_owner = NULL;
924 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
925 [lock-manager ops renamed to lm_xxx])
933 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
934 # inode_dio_done instead.
935 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
937 AC_DEFUN([LC_INODE_DIO_WAIT],
938 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
939 LB_LINUX_TRY_COMPILE([
940 #include <linux/fs.h>
942 inode_dio_wait((struct inode *)0);
943 inode_dio_done((struct inode *)0);
945 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
946 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
954 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
955 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
957 AC_DEFUN([LC_IOP_GET_ACL],
958 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
959 LB_LINUX_TRY_COMPILE([
960 #include <linux/fs.h>
962 struct inode_operations iop;
965 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
966 [inode_operations has .get_acl member function])
974 # 3.1.1 has ext4_blocks_for_truncate
976 AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
977 [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
978 LB_LINUX_TRY_COMPILE([
979 #include <linux/fs.h>
980 #include "$LINUX/fs/ext4/ext4_jbd2.h"
981 #include "$LINUX/fs/ext4/truncate.h"
983 ext4_blocks_for_truncate(NULL);
986 AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
987 [kernel has ext4_blocks_for_truncate])
994 # 3.1 introduced generic_file_llseek_size()
996 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
997 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
999 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
1000 [generic_file_llseek_size is exported by the kernel])])
1004 # 3.2 request_queue.make_request_fn defined as function returns with void
1005 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
1007 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
1008 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
1009 LB_LINUX_TRY_COMPILE([
1010 #include <linux/blkdev.h>
1013 make_request_fn *mrf;
1014 ret = mrf(NULL, NULL);
1018 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
1019 [request_queue.make_request_fn returns void but not int])
1020 AC_MSG_RESULT([yes])
1025 # 3.2 protects inode->i_nlink from direct modification
1026 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
1027 # at the same time adds set_nlink(), so checks set_nlink() for it.
1029 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
1030 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
1031 LB_LINUX_TRY_COMPILE([
1032 #include <linux/fs.h>
1037 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
1038 [inode->i_nlink is protected from direct modification])
1039 AC_MSG_RESULT([yes])
1046 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1048 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
1049 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
1050 AC_DEFINE(HAVE_MIGRATE_H, 1,
1051 [kernel has include/linux/migrate.h])
1052 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
1053 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1054 [kernel has include/linux/migrate_mode.h])
1061 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
1062 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
1063 LB_LINUX_TRY_COMPILE([
1064 #include <linux/fs.h>
1065 #ifdef HAVE_MIGRATE_H
1066 #include <linux/migrate.h>
1067 #elif defined(HAVE_MIGRATE_MODE_H)
1068 #include <linux/migrate_mode.h>
1071 struct address_space_operations aops;
1073 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1075 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1076 [address_space_operations.migratepage has 4 args])
1077 AC_MSG_RESULT([yes])
1084 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1085 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1087 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
1088 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
1089 tmp_flags="$EXTRA_KCFLAGS"
1090 EXTRA_KCFLAGS="-Werror"
1091 LB_LINUX_TRY_COMPILE([
1092 #include <linux/fs.h>
1093 int show_options(struct seq_file *seq, struct dentry *root){
1097 struct super_operations ops;
1098 ops.show_options = show_options;
1100 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1101 [super_operations use dentry as parameter])
1102 AC_MSG_RESULT([yes])
1106 EXTRA_KCFLAGS="$tmp_flags"
1110 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1111 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1113 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
1114 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
1115 tmp_flags="$EXTRA_KCFLAGS"
1116 EXTRA_KCFLAGS="-Werror"
1117 LB_LINUX_TRY_COMPILE([
1118 #include <linux/fs.h>
1119 #include <linux/types.h>
1120 int my_mknod(struct inode *dir, struct dentry *dchild,
1121 umode_t mode, dev_t dev)
1126 struct inode_operations ops;
1127 ops.mknod = my_mknod;
1129 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1130 [inode_operations use umode_t as parameter])
1131 AC_MSG_RESULT([yes])
1135 EXTRA_KCFLAGS="$tmp_flags"
1138 # 3.4 kmap_atomic removes second argument
1139 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1141 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1142 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1143 LB_LINUX_TRY_COMPILE([
1144 #include <linux/highmem.h>
1148 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1149 [have kmap_atomic has only 1 argument])
1150 AC_MSG_RESULT([yes])
1157 # 3.4 switchs touch_atime to struct path
1158 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1160 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1161 [AC_MSG_CHECKING([if touch_atime use one argument])
1162 LB_LINUX_TRY_COMPILE([
1163 #include <linux/fs.h>
1165 touch_atime((struct path *)NULL);
1167 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1168 [touch_atime use one argument])
1169 AC_MSG_RESULT([yes])
1176 # 3.4 converts d_alloc_root to d_make_root
1177 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1179 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1180 [AC_MSG_CHECKING([if have d_make_root])
1181 LB_LINUX_TRY_COMPILE([
1182 #include <linux/fs.h>
1184 d_make_root((struct inode *)NULL);
1186 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1188 AC_MSG_RESULT([yes])
1195 # 3.5 renames end_writeback() back to clear_inode()...
1196 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1198 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1199 [AC_MSG_CHECKING([if have clear_inode])
1200 LB_LINUX_TRY_COMPILE([
1201 #include <linux/fs.h>
1203 clear_inode((struct inode *)NULL);
1205 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1207 AC_MSG_RESULT([yes])
1214 # 3.5 encode_fh has parent inode passed in directly
1215 # see kernel commit b0b0382b
1217 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1218 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1219 tmp_flags="$EXTRA_KCFLAGS"
1220 EXTRA_KCFLAGS="-Werror"
1221 LB_LINUX_TRY_COMPILE([
1222 #include <linux/exportfs.h>
1223 #include <linux/fs.h>
1224 #include <linux/types.h>
1225 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1230 struct export_operations exp_op;
1231 exp_op.encode_fh = ll_encode_fh;
1233 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1234 [have parent inode as parameter])
1235 AC_MSG_RESULT([yes])
1239 EXTRA_KCFLAGS="$tmp_flags"
1242 # 3.5 has generic_file_llseek_size with 5 args
1243 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1244 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1245 LB_LINUX_TRY_COMPILE([
1246 #include <linux/fs.h>
1248 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1250 AC_MSG_RESULT([yes])
1251 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1252 [kernel has generic_file_llseek_size with 5 args])
1259 # 3.6 switch i_dentry/d_alias from list to hlist
1261 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1262 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1263 tmp_flags="$EXTRA_KCFLAGS"
1264 EXTRA_KCFLAGS="-Werror"
1265 LB_LINUX_TRY_COMPILE([
1266 #include <linux/fs.h>
1267 #include <linux/list.h>
1270 struct dentry dentry;
1271 struct hlist_head head;
1272 struct hlist_node node;
1273 inode.i_dentry = head;
1274 dentry.d_alias = node;
1276 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1277 [have i_dentry/d_alias uses hlist])
1278 AC_MSG_RESULT([yes])
1282 EXTRA_KCFLAGS="$tmp_flags"
1286 # 3.6 dentry_open uses struct path as first argument
1287 # see kernel commit 765927b2
1289 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1290 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1291 tmp_flags="$EXTRA_KCFLAGS"
1292 EXTRA_KCFLAGS="-Werror"
1293 LB_LINUX_TRY_COMPILE([
1294 #include <linux/fs.h>
1295 #include <linux/path.h>
1298 dentry_open(&path, 0, NULL);
1300 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1301 [dentry_open uses struct path as first argument])
1302 AC_MSG_RESULT([yes])
1306 EXTRA_KCFLAGS="$tmp_flags"
1310 # 3.6 vfs adds iop->atomic_open
1312 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1313 [AC_MSG_CHECKING([if iop has atomic_open])
1314 LB_LINUX_TRY_COMPILE([
1315 #include <linux/fs.h>
1317 struct inode_operations iop;
1318 iop.atomic_open = NULL;
1320 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1321 [have iop atomic_open])
1322 AC_MSG_RESULT([yes])
1329 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1331 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1332 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1333 LB_LINUX_TRY_COMPILE([
1334 #include <linux/fs.h>
1335 #include <linux/posix_acl_xattr.h>
1337 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1339 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1340 [posix_acl_to_xattr takes struct user_namespace])
1341 AC_MSG_RESULT([yes])
1348 # 3.9 uses hlist_for_each_entry with 3 args
1349 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1351 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1352 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1353 LB_LINUX_TRY_COMPILE([
1354 #include <linux/list.h>
1355 #include <linux/fs.h>
1357 struct inode *inode;
1358 struct dentry *dentry;
1359 hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1363 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1364 AC_MSG_RESULT([yes])
1371 # 3.9 killed f_vfsmnt by
1372 # 182be684784334598eee1d90274e7f7aa0063616
1373 # replacement is f_path.mnt
1375 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1376 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1377 LB_LINUX_TRY_COMPILE([
1378 #include <linux/fs.h>
1380 struct file *fp = NULL;
1383 path.mnt = fp->f_path.mnt;
1385 AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1386 AC_MSG_RESULT([yes])
1395 # Lustre linux kernel checks
1397 AC_DEFUN([LC_PROG_LINUX],
1401 LC_CONFIG_LIBLUSTRE_RECOVERY
1402 LC_CONFIG_HEALTH_CHECK_WRITE
1403 LC_CONFIG_LRU_RESIZE
1404 LC_LLITE_LLOOP_MODULE
1410 # raid5-zerocopy patch
1421 # 2.6.27.15-2 sles11
1426 LC_BLK_QUEUE_MAX_SEGMENTS
1429 LC_HAVE_DQUOT_FS_DISK_QUOTA
1430 LC_HAVE_DQUOT_SUSPEND
1434 LC_EXPORT_SIMPLE_SETATTR
1435 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
1439 LC_SBOPS_EVICT_INODE
1445 LC_BLKDEV_GET_BY_DEV
1446 LC_GENERIC_PERMISSION
1447 LC_QUOTA_ON_USE_PATH
1454 LC_REQUEST_QUEUE_UNPLUG_FN
1455 LC_HAVE_FSTYPE_MOUNT
1458 LC_DIRTY_INODE_WITH_FLAG
1461 LC_LM_XXX_LOCK_MANAGER_OPS
1465 LC_INODE_PERMISION_2ARGS
1468 LC_BLOCKS_FOR_TRUNCATE
1471 LC_HAVE_VOID_MAKE_REQUEST_FN
1472 LC_HAVE_PROTECT_I_NLINK
1475 LC_HAVE_MIGRATE_HEADER
1476 LC_MIGRATEPAGE_4ARGS
1477 LC_SUPEROPS_USE_DENTRY
1478 LC_INODEOPS_USE_UMODE_T
1483 LC_KMAP_ATOMIC_HAS_1ARG
1487 LC_HAVE_ENCODE_FH_PARENT
1488 LC_FILE_LLSEEK_SIZE_5ARG
1491 LC_HAVE_DENTRY_D_ALIAS_HLIST
1492 LC_DENTRY_OPEN_USE_PATH
1493 LC_HAVE_IOP_ATOMIC_OPEN
1496 LC_HAVE_POSIXACL_USER_NS
1499 LC_HAVE_HLIST_FOR_EACH_3ARG
1503 if test x$enable_server != xno ; then
1504 LC_FUNC_DEV_SET_RDONLY
1514 # Check whether to build the client side of Lustre
1516 AC_DEFUN([LC_CONFIG_CLIENT],
1517 [AC_MSG_CHECKING([whether to build Lustre client support])
1518 AC_ARG_ENABLE([client],
1519 AC_HELP_STRING([--disable-client],
1520 [disable Lustre client support]),
1521 [],[enable_client='yes'])
1522 AC_MSG_RESULT([$enable_client])
1526 # LC_CONFIG_LIBLUSTRE
1528 # whether to build liblustre
1530 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1531 [AC_MSG_CHECKING([whether to build Lustre library])
1532 AC_ARG_ENABLE([liblustre],
1533 AC_HELP_STRING([--disable-liblustre],
1534 [disable building of Lustre library]),
1535 [],[enable_liblustre=$with_sysio])
1536 AC_MSG_RESULT([$enable_liblustre])
1537 # only build sysio if liblustre is built
1538 with_sysio="$enable_liblustre"
1540 AC_MSG_CHECKING([whether to build liblustre tests])
1541 AC_ARG_ENABLE([liblustre-tests],
1542 AC_HELP_STRING([--enable-liblustre-tests],
1543 [enable liblustre tests, if --disable-tests is used]),
1544 [],[enable_liblustre_tests=$enable_tests])
1545 if test x$enable_liblustre != xyes ; then
1546 enable_liblustre_tests='no'
1548 AC_MSG_RESULT([$enable_liblustre_tests])
1550 AC_MSG_CHECKING([whether to enable liblustre acl])
1551 AC_ARG_ENABLE([liblustre-acl],
1552 AC_HELP_STRING([--disable-liblustre-acl],
1553 [disable ACL support for liblustre]),
1554 [],[enable_liblustre_acl=yes])
1555 AC_MSG_RESULT([$enable_liblustre_acl])
1556 if test x$enable_liblustre_acl = xyes ; then
1557 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1563 AC_ARG_ENABLE(mpitests,
1564 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1565 [include mpi tests]),
1576 MPICC_WRAPPER=$enableval
1586 if test x$enable_mpitests != xno; then
1587 AC_MSG_CHECKING([whether mpitests can be built])
1595 MPI_Initialized(&flag);
1598 AC_MSG_RESULT([yes])
1605 AC_SUBST(MPICC_WRAPPER)
1607 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1608 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1611 LC_CONFIG_LIBLUSTRE_RECOVERY
1617 # whether to enable quota support global control
1619 AC_DEFUN([LC_CONFIG_QUOTA],
1620 [AC_ARG_ENABLE([quota],
1621 AC_HELP_STRING([--enable-quota],
1622 [enable quota support]),
1623 [],[enable_quota='yes'])
1626 AC_DEFUN([LC_QUOTA],
1630 if test x$enable_quota != xno -a x$enable_utils != xno; then
1631 AC_CHECK_HEADER(sys/quota.h,
1632 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1633 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1640 # whether to enable split support
1642 AC_DEFUN([LC_CONFIG_SPLIT],
1643 [AC_MSG_CHECKING([whether to enable split support])
1644 AC_ARG_ENABLE([split],
1645 AC_HELP_STRING([--enable-split],
1646 [enable split support]),
1647 [],[enable_split='no'])
1648 AC_MSG_RESULT([$enable_split])
1649 if test x$enable_split != xno; then
1650 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1655 # LC_LLITE_LLOOP_MODULE
1656 # lloop_llite.ko does not currently work with page sizes
1659 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1660 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1661 LB_LINUX_TRY_COMPILE([
1662 #include <asm/page.h>
1664 #if PAGE_SIZE >= 65536
1665 #error "PAGE_SIZE >= 65536"
1668 enable_llite_lloop_module='yes'
1669 AC_MSG_RESULT([yes])
1671 enable_llite_lloop_module='no'
1679 # configure support for optional OSD implementation
1681 AC_DEFUN([LC_OSD_ADDON],
1682 [AC_MSG_CHECKING([for osd])
1684 AC_HELP_STRING([--with-osd=path],
1685 [set path to optional osd]),
1688 no) ENABLEOSDADDON=0
1690 *) OSDADDON="${with_osd}"
1697 if test $ENABLEOSDADDON -eq 0; then
1701 OSDMODNAME=`basename $OSDADDON`
1702 if test -e $LUSTRE/$OSDMODNAME; then
1703 AC_MSG_RESULT([can't link])
1705 elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1706 AC_MSG_RESULT([$OSDMODNAME])
1707 OSDADDON="subdir-m += $OSDMODNAME"
1709 AC_MSG_RESULT([can't link])
1719 # other configure checks
1721 AC_DEFUN([LC_CONFIGURE],
1722 [LC_CONFIG_OBD_BUFFER_SIZE
1724 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1725 CFLAGS="$CFLAGS -Werror"
1728 # maximum MDS thread count
1731 # include/liblustre.h
1732 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1734 # liblustre/llite_lib.h
1735 AC_CHECK_HEADERS([xtio.h file.h])
1738 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1741 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1742 AC_CHECK_FUNCS([inet_ntoa])
1744 # libsysio/src/readlink.c
1747 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
1748 AC_CHECK_HEADERS([linux/random.h], [], [],
1749 [#ifdef HAVE_LINUX_TYPES_H
1750 # include <linux/types.h>
1755 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1757 # check for -lz support
1761 [AC_CHECK_HEADERS([zlib.h],
1763 AC_DEFINE([HAVE_ADLER], 1,
1764 [support alder32 checksum type])],
1765 [AC_MSG_WARN([No zlib-devel package found,
1766 unable to use adler32 checksum])])],
1767 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1772 AC_CHECK_LIB([selinux],
1773 [is_selinux_enabled],
1774 [AC_CHECK_HEADERS([selinux.h],
1775 [SELINUX="-lselinux"
1776 AC_DEFINE([HAVE_SELINUX], 1,
1777 [support for selinux ])],
1778 [AC_MSG_WARN([No selinux-devel package found,
1779 unable to build selinux enabled
1781 [AC_MSG_WARN([No selinux package found, unable to build selinux
1787 AC_ARG_ENABLE([mindf],
1788 AC_HELP_STRING([--enable-mindf],
1789 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1791 if test "$enable_mindf" = "yes" ; then
1792 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1795 AC_ARG_ENABLE([fail_alloc],
1796 AC_HELP_STRING([--disable-fail-alloc],
1797 [disable randomly alloc failure]),
1798 [],[enable_fail_alloc=yes])
1799 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1800 AC_MSG_RESULT([$enable_fail_alloc])
1801 if test x$enable_fail_alloc != xno ; then
1802 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1805 AC_ARG_ENABLE([invariants],
1806 AC_HELP_STRING([--enable-invariants],
1807 [enable invariant checking (cpu intensive)]),
1809 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
1810 AC_MSG_RESULT([$enable_invariants])
1811 if test x$enable_invariants = xyes ; then
1812 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
1815 AC_ARG_ENABLE([lu_ref],
1816 AC_HELP_STRING([--enable-lu_ref],
1817 [enable lu_ref reference tracking code]),
1819 AC_MSG_CHECKING([whether to track references with lu_ref])
1820 AC_MSG_RESULT([$enable_lu_ref])
1821 if test x$enable_lu_ref = xyes ; then
1822 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
1825 AC_ARG_ENABLE([pgstate-track],
1826 AC_HELP_STRING([--enable-pgstate-track],
1827 [enable page state tracking]),
1828 [enable_pgstat_track='yes'],[])
1829 AC_MSG_CHECKING([whether to enable page state tracking])
1830 AC_MSG_RESULT([$enable_pgstat_track])
1831 if test x$enable_pgstat_track = xyes ; then
1832 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
1833 [enable page state tracking code])
1840 # AM_CONDITIONALS for lustre
1842 AC_DEFUN([LC_CONDITIONALS],
1843 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1844 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1845 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1846 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1847 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1848 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1849 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1850 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1851 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1852 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1853 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1854 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1855 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1861 # files that should be generated with AC_OUTPUT
1863 AC_DEFUN([LC_CONFIG_FILES],
1867 lustre/autoconf/Makefile
1868 lustre/conf/Makefile
1869 lustre/contrib/Makefile
1871 lustre/include/Makefile
1872 lustre/include/lustre_ver.h
1873 lustre/include/linux/Makefile
1874 lustre/include/darwin/Makefile
1875 lustre/include/lustre/Makefile
1876 lustre/kernel_patches/targets/2.6-rhel6.target
1877 lustre/kernel_patches/targets/2.6-rhel5.target
1878 lustre/kernel_patches/targets/2.6-sles11.target
1879 lustre/kernel_patches/targets/3.0-sles11.target
1880 lustre/kernel_patches/targets/3.0-sles11sp3.target
1881 lustre/kernel_patches/targets/2.6-fc11.target
1882 lustre/kernel_patches/targets/2.6-fc12.target
1883 lustre/kernel_patches/targets/2.6-fc15.target
1884 lustre/kernel_patches/targets/3.x-fc18.target
1885 lustre/ldlm/Makefile
1887 lustre/fid/autoMakefile
1888 lustre/liblustre/Makefile
1889 lustre/liblustre/tests/Makefile
1890 lustre/liblustre/tests/mpi/Makefile
1891 lustre/llite/Makefile
1892 lustre/llite/autoMakefile
1893 lustre/lclient/Makefile
1895 lustre/lov/autoMakefile
1896 lustre/lvfs/Makefile
1897 lustre/lvfs/autoMakefile
1899 lustre/mdc/autoMakefile
1901 lustre/lmv/autoMakefile
1902 lustre/lfsck/Makefile
1903 lustre/lfsck/autoMakefile
1905 lustre/mdt/autoMakefile
1907 lustre/mdd/autoMakefile
1909 lustre/fld/autoMakefile
1910 lustre/obdclass/Makefile
1911 lustre/obdclass/autoMakefile
1912 lustre/obdclass/linux/Makefile
1913 lustre/obdecho/Makefile
1914 lustre/obdecho/autoMakefile
1916 lustre/ofd/autoMakefile
1918 lustre/osc/autoMakefile
1920 lustre/ost/autoMakefile
1921 lustre/osd-ldiskfs/Makefile
1922 lustre/osd-ldiskfs/autoMakefile
1923 lustre/osd-zfs/Makefile
1924 lustre/osd-zfs/autoMakefile
1926 lustre/mgc/autoMakefile
1928 lustre/mgs/autoMakefile
1929 lustre/target/Makefile
1930 lustre/ptlrpc/Makefile
1931 lustre/ptlrpc/autoMakefile
1932 lustre/ptlrpc/gss/Makefile
1933 lustre/ptlrpc/gss/autoMakefile
1934 lustre/quota/Makefile
1935 lustre/quota/autoMakefile
1936 lustre/scripts/Makefile
1937 lustre/tests/Makefile
1938 lustre/tests/mpi/Makefile
1939 lustre/utils/Makefile
1940 lustre/utils/gss/Makefile
1942 lustre/osp/autoMakefile
1944 lustre/lod/autoMakefile
1945 lustre/obdclass/darwin/Makefile