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 enabled, 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='yes'])
273 AC_MSG_RESULT([$enable_gss_keyring])
275 if test x$enable_gss_keyring != xno; then
276 LB_LINUX_CONFIG_IM([KEYS],[],
277 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
279 AC_CHECK_LIB([keyutils], [keyctl_search], [],
280 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
282 AC_DEFINE([HAVE_GSS_KEYRING], [1],
283 [Define this if you enable gss keyring backend])
287 AC_DEFUN([LC_CONFIG_SUNRPC],
288 [LB_LINUX_CONFIG_IM([SUNRPC],[],
289 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
293 # LC_CONFIG_GSS (default disabled)
295 # Build gss and related tools of Lustre. Currently both kernel and user space
296 # parts are depend on linux platform.
298 AC_DEFUN([LC_CONFIG_GSS],
299 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
301 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
302 [],[enable_gss='no'])
303 AC_MSG_RESULT([$enable_gss])
305 if test x$enable_gss == xyes; then
306 LC_CONFIG_GSS_KEYRING
309 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
311 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
312 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
313 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
314 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
315 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
316 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
317 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
318 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
320 AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
321 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
322 [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
323 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
324 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
326 AC_SUBST(GSSAPI_LIBS)
334 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
335 # yet tree_lock is converted from rwlock to spin_lock since v2.6.26
336 AC_DEFUN([LC_RW_TREE_LOCK],
337 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
338 tmp_flags="$EXTRA_KCFLAGS"
339 EXTRA_KCFLAGS="-Werror"
340 LB_LINUX_TRY_COMPILE([
341 #include <linux/fs.h>
343 struct address_space a;
345 write_lock(&a.tree_lock);
348 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
352 EXTRA_KCFLAGS="$tmp_flags"
355 #2.6.18 + RHEL5 (fc6)
357 # raid5-zerocopy patch
362 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
363 # it support constant page, which means the page won't be modified during the
366 AC_DEFUN([LC_PAGE_CONSTANT],
367 [AC_MSG_CHECKING([if kernel have PageConstant defined])
368 LB_LINUX_TRY_COMPILE([
369 #include <linux/mm.h>
370 #include <linux/page-flags.h>
373 #error "Have no raid5 zcopy patch"
377 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
385 # 2.6.24 has bio_endio with 2 args
386 AC_DEFUN([LC_BIO_ENDIO_2ARG],
387 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
388 LB_LINUX_TRY_COMPILE([
389 #include <linux/bio.h>
394 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
395 [kernel has bio_endio with 2 args])
401 # 2.6.24 removes long aged procfs entry -> deleted member
402 AC_DEFUN([LC_PROCFS_DELETED],
403 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
404 LB_LINUX_TRY_COMPILE([
405 #include <linux/proc_fs.h>
407 struct proc_dir_entry pde;
409 pde.deleted = sizeof(pde);
412 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
413 [kernel has deleted member in procfs entry struct])
423 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
424 [AC_MSG_CHECKING([inode_operations->permission has two args])
425 LB_LINUX_TRY_COMPILE([
426 #include <linux/fs.h>
428 struct inode *inode __attribute__ ((unused));
431 inode->i_op->permission(NULL, 0);
433 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
434 [inode_operations->permission has two args])
441 # 2.6.27 use 5th parameter in quota_on for remount.
442 AC_DEFUN([LC_QUOTA_ON_5ARGS],
443 [AC_MSG_CHECKING([quota_on needs 5 parameters])
444 LB_LINUX_TRY_COMPILE([
445 #include <linux/fs.h>
446 #include <linux/quota.h>
448 struct quotactl_ops *qop = NULL;
449 qop->quota_on(NULL, 0, 0, NULL, 0);
451 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
452 [quota_on needs 5 paramters])
459 # 2.6.27 use 3th parameter in quota_off for remount.
460 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
461 [AC_MSG_CHECKING([quota_off needs 3 parameters])
462 LB_LINUX_TRY_COMPILE([
463 #include <linux/fs.h>
464 #include <linux/quota.h>
466 struct quotactl_ops *qop = NULL;
467 qop->quota_off(NULL, 0, 0);
469 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
470 [quota_off needs 3 paramters])
477 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
478 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
479 tmp_flags="$EXTRA_KCFLAGS"
480 EXTRA_KCFLAGS="-Werror"
481 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
482 LB_LINUX_TRY_COMPILE([
483 #include <linux/fs.h>
484 #include <linux/quota.h>
486 struct quotactl_ops qops = {};
487 struct fs_disk_quota fdq;
488 qops.set_dqblk(NULL, 0, 0, &fdq);
490 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
495 EXTRA_KCFLAGS="$tmp_flags"
498 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
499 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
500 [AC_MSG_CHECKING([if dquot_suspend is defined])
501 LB_LINUX_TRY_COMPILE([
502 #include <linux/quotaops.h>
504 dquot_suspend(NULL, -1);
506 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
515 # 2.6.27 sles11 remove the bi_hw_segments
516 AC_DEFUN([LC_BI_HW_SEGMENTS],
517 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
518 LB_LINUX_TRY_COMPILE([
519 #include <linux/bio.h>
522 io.bi_hw_segments = sizeof(io);
524 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
525 [struct bio has a bi_hw_segments field])
533 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
534 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
535 AC_DEFUN([LC_HAVE_QUOTAIO_H],
536 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
537 AC_DEFINE(HAVE_QUOTAIO_H, 1,
538 [kernel has include/linux/quotaio_v2.h])
539 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
540 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
541 [kernel has fs/quotaio_v1.h])
542 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
543 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
544 [kernel has fs/quota/quotaio_v2.h])
554 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
555 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
556 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
557 LB_LINUX_TRY_COMPILE([
558 #include <linux/blkdev.h>
560 blk_queue_max_segments(NULL, 0);
563 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
564 [blk_queue_max_segments is defined])
573 # Check if kernel has been patched for 64-bit quota limits support.
574 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
575 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
576 # that in the absence of quotaio_v1.h in the kernel headers.
578 AC_DEFUN([LC_QUOTA64],[
579 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
580 tmp_flags="$EXTRA_KCFLAGS"
581 EXTRA_KCFLAGS="-I$LINUX/fs"
582 LB_LINUX_TRY_COMPILE([
583 #include <linux/kernel.h>
584 #include <linux/fs.h>
585 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
586 # include <quota/quotaio_v2.h>
587 struct v2r1_disk_dqblk dqblk_r1;
589 #include <linux/quota.h>
590 int ver = QFMT_VFS_V1;
593 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
596 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
597 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
601 EXTRA_KCFLAGS=$tmp_flags
605 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
607 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
608 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
609 LB_LINUX_TRY_COMPILE([
610 #include <asm/atomic.h>
611 #include <linux/spinlock.h>
612 #include <linux/fs_struct.h>
614 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
616 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
617 [fs_struct.lock use rwlock])
625 # 2.6.36 super_operations add evict_inode method. it hybird of
626 # delete_inode & clear_inode.
628 AC_DEFUN([LC_SBOPS_EVICT_INODE],
629 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
630 LB_LINUX_TRY_COMPILE([
631 #include <linux/fs.h>
633 ((struct super_operations *)0)->evict_inode(NULL);
635 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
636 [super_operations.evict_inode() is exist in kernel])
644 # 2.6.35 file_operations.fsync taken 2 arguments.
645 # 3.0.0 file_operations.fsync takes 4 arguments.
647 AC_DEFUN([LC_FILE_FSYNC],
648 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
649 LB_LINUX_TRY_COMPILE([
650 #include <linux/fs.h>
652 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
654 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
655 [file_operations.fsync takes 4 arguments])
656 AC_MSG_RESULT([yes, 4 args])
658 LB_LINUX_TRY_COMPILE([
659 #include <linux/fs.h>
661 ((struct file_operations *)0)->fsync(NULL, 0);
663 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
664 [file_operations.fsync takes 2 arguments])
665 AC_MSG_RESULT([yes, 2 args])
673 # 2.6.37 remove kernel_locked
675 AC_DEFUN([LC_KERNEL_LOCKED],
676 [AC_MSG_CHECKING([if kernel_locked is defined])
677 LB_LINUX_TRY_COMPILE([
678 #include <linux/smp_lock.h>
683 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
684 [kernel_locked is defined])
691 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
693 AC_DEFUN([LC_D_COMPARE_7ARGS],
694 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
695 LB_LINUX_TRY_COMPILE([
696 #include <linux/dcache.h>
698 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
700 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
701 [d_compare need 7 arguments])
709 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
711 AC_DEFUN([LC_D_DELETE_CONST],
712 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
713 tmp_flags="$EXTRA_KCFLAGS"
714 EXTRA_KCFLAGS="-Werror"
715 LB_LINUX_TRY_COMPILE([
716 #include <linux/dcache.h>
718 const struct dentry *d = NULL;
719 ((struct dentry_operations*)0)->d_delete(d);
721 AC_DEFINE(HAVE_D_DELETE_CONST, const,
722 [d_delete first parameter declared const])
725 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
728 EXTRA_KCFLAGS="$tmp_flags"
732 # 2.6.38 dcache_lock removed. rcu-walk commited.
734 AC_DEFUN([LC_DCACHE_LOCK],
735 [AC_MSG_CHECKING([if dcache_lock is exist])
736 LB_LINUX_TRY_COMPILE([
737 #include <linux/dcache.h>
739 spin_lock(&dcache_lock);
741 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
742 [dcache_lock is exist])
750 # 2.6.38 inode.i_rcu added.
752 AC_DEFUN([LC_INODE_I_RCU],
753 [AC_MSG_CHECKING([if inode.i_rcu exists])
754 LB_LINUX_TRY_COMPILE([
755 #include <linux/fs.h>
758 struct rcu_head rcu = {};
761 AC_DEFINE(HAVE_INODE_I_RCU, 1,
762 [inode.i_rcu exists])
770 # 2.6.38 export blkdev_get_by_dev
772 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
773 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
775 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
776 [blkdev_get_by_dev is exported by the kernel])
782 # 2.6.38 use path as 4th parameter in quota_on.
784 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
785 [AC_MSG_CHECKING([quota_on use path as parameter])
786 tmp_flags="$EXTRA_KCFLAGS"
787 EXTRA_KCFLAGS="-Werror"
788 LB_LINUX_TRY_COMPILE([
789 #include <linux/fs.h>
790 #include <linux/quota.h>
792 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
794 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
795 [quota_on use path as 4th paramter])
800 EXTRA_KCFLAGS="$tmp_flags"
804 # 2.6.38 export simple_setattr
806 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
807 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
809 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
810 [simple_setattr is exported by the kernel])
816 # 2.6.39 remove unplug_fn from request_queue.
818 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
819 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
820 LB_LINUX_TRY_COMPILE([
821 #include <linux/blkdev.h>
823 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
825 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
826 [request_queue has unplug_fn field])
834 # 2.6.39 replace get_sb with mount in struct file_system_type
836 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
837 [AC_MSG_CHECKING([if file_system_type has mount field])
838 LB_LINUX_TRY_COMPILE([
839 #include <linux/fs.h>
841 struct file_system_type fst;
842 void *i = (void *) fst.mount;
844 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
845 [struct file_system_type has mount field])
853 # 3.0 dirty_inode() has a flag parameter
854 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
856 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
857 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
858 LB_LINUX_TRY_COMPILE([
859 #include <linux/fs.h>
862 inode->i_sb->s_op->dirty_inode(NULL, 0);
864 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
865 [dirty_inode super_operation takes flag])
873 # 2.6.38 generic_permission taken 4 parameters.
874 # in fact, it means rcu-walk aware permission bring.
876 # 3.1 generic_permission taken 2 parameters.
877 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
879 AC_DEFUN([LC_GENERIC_PERMISSION],
880 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
881 LB_LINUX_TRY_COMPILE([
882 #include <linux/fs.h>
884 generic_permission(NULL, 0);
886 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
887 [generic_permission taken 2 arguments])
888 AC_MSG_RESULT([yes, 2 args])
890 LB_LINUX_TRY_COMPILE([
891 #include <linux/fs.h>
893 generic_permission(NULL, 0, 0, NULL);
895 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
896 [generic_permission taken 4 arguments])
897 AC_MSG_RESULT([yes, 4 args])
905 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
906 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
908 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
909 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
910 LB_LINUX_TRY_COMPILE([
911 #include <linux/fs.h>
913 struct lock_manager_operations lm_ops;
914 lm_ops.lm_compare_owner = NULL;
916 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
917 [lock-manager ops renamed to lm_xxx])
925 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
926 # inode_dio_done instead.
927 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
929 AC_DEFUN([LC_INODE_DIO_WAIT],
930 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
931 LB_LINUX_TRY_COMPILE([
932 #include <linux/fs.h>
934 inode_dio_wait((struct inode *)0);
935 inode_dio_done((struct inode *)0);
937 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
938 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
946 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
947 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
949 AC_DEFUN([LC_IOP_GET_ACL],
950 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
951 LB_LINUX_TRY_COMPILE([
952 #include <linux/fs.h>
954 struct inode_operations iop;
957 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
958 [inode_operations has .get_acl member function])
966 # 3.1.1 has ext4_blocks_for_truncate
968 AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
969 [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
970 LB_LINUX_TRY_COMPILE([
971 #include <linux/fs.h>
972 #include "$LINUX/fs/ext4/ext4_jbd2.h"
973 #include "$LINUX/fs/ext4/truncate.h"
975 ext4_blocks_for_truncate(NULL);
978 AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
979 [kernel has ext4_blocks_for_truncate])
986 # 3.1 introduced generic_file_llseek_size()
988 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
989 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
991 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
992 [generic_file_llseek_size is exported by the kernel])])
996 # 3.2 request_queue.make_request_fn defined as function returns with void
997 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
999 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
1000 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
1001 LB_LINUX_TRY_COMPILE([
1002 #include <linux/blkdev.h>
1005 make_request_fn *mrf;
1006 ret = mrf(NULL, NULL);
1010 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
1011 [request_queue.make_request_fn returns void but not int])
1012 AC_MSG_RESULT([yes])
1017 # 3.2 protects inode->i_nlink from direct modification
1018 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
1019 # at the same time adds set_nlink(), so checks set_nlink() for it.
1021 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
1022 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
1023 LB_LINUX_TRY_COMPILE([
1024 #include <linux/fs.h>
1029 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
1030 [inode->i_nlink is protected from direct modification])
1031 AC_MSG_RESULT([yes])
1038 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1040 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
1041 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
1042 AC_DEFINE(HAVE_MIGRATE_H, 1,
1043 [kernel has include/linux/migrate.h])
1044 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
1045 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1046 [kernel has include/linux/migrate_mode.h])
1053 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
1054 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
1055 LB_LINUX_TRY_COMPILE([
1056 #include <linux/fs.h>
1057 #ifdef HAVE_MIGRATE_H
1058 #include <linux/migrate.h>
1059 #elif defined(HAVE_MIGRATE_MODE_H)
1060 #include <linux/migrate_mode.h>
1063 struct address_space_operations aops;
1065 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1067 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1068 [address_space_operations.migratepage has 4 args])
1069 AC_MSG_RESULT([yes])
1076 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1077 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1079 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
1080 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
1081 tmp_flags="$EXTRA_KCFLAGS"
1082 EXTRA_KCFLAGS="-Werror"
1083 LB_LINUX_TRY_COMPILE([
1084 #include <linux/fs.h>
1085 int show_options(struct seq_file *seq, struct dentry *root){
1089 struct super_operations ops;
1090 ops.show_options = show_options;
1092 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1093 [super_operations use dentry as parameter])
1094 AC_MSG_RESULT([yes])
1098 EXTRA_KCFLAGS="$tmp_flags"
1102 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1103 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1105 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
1106 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
1107 tmp_flags="$EXTRA_KCFLAGS"
1108 EXTRA_KCFLAGS="-Werror"
1109 LB_LINUX_TRY_COMPILE([
1110 #include <linux/fs.h>
1111 #include <linux/types.h>
1112 int my_mknod(struct inode *dir, struct dentry *dchild,
1113 umode_t mode, dev_t dev)
1118 struct inode_operations ops;
1119 ops.mknod = my_mknod;
1121 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1122 [inode_operations use umode_t as parameter])
1123 AC_MSG_RESULT([yes])
1127 EXTRA_KCFLAGS="$tmp_flags"
1130 # 3.4 kmap_atomic removes second argument
1131 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1133 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1134 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1135 LB_LINUX_TRY_COMPILE([
1136 #include <linux/highmem.h>
1140 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1141 [have kmap_atomic has only 1 argument])
1142 AC_MSG_RESULT([yes])
1149 # 3.4 switchs touch_atime to struct path
1150 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1152 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1153 [AC_MSG_CHECKING([if touch_atime use one argument])
1154 LB_LINUX_TRY_COMPILE([
1155 #include <linux/fs.h>
1157 touch_atime((struct path *)NULL);
1159 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1160 [touch_atime use one argument])
1161 AC_MSG_RESULT([yes])
1168 # 3.4 converts d_alloc_root to d_make_root
1169 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1171 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1172 [AC_MSG_CHECKING([if have d_make_root])
1173 LB_LINUX_TRY_COMPILE([
1174 #include <linux/fs.h>
1176 d_make_root((struct inode *)NULL);
1178 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1180 AC_MSG_RESULT([yes])
1187 # 3.5 renames end_writeback() back to clear_inode()...
1188 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1190 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1191 [AC_MSG_CHECKING([if have clear_inode])
1192 LB_LINUX_TRY_COMPILE([
1193 #include <linux/fs.h>
1195 clear_inode((struct inode *)NULL);
1197 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1199 AC_MSG_RESULT([yes])
1206 # 3.5 encode_fh has parent inode passed in directly
1207 # see kernel commit b0b0382b
1209 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1210 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1211 tmp_flags="$EXTRA_KCFLAGS"
1212 EXTRA_KCFLAGS="-Werror"
1213 LB_LINUX_TRY_COMPILE([
1214 #include <linux/exportfs.h>
1215 #include <linux/fs.h>
1216 #include <linux/types.h>
1217 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1222 struct export_operations exp_op;
1223 exp_op.encode_fh = ll_encode_fh;
1225 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1226 [have parent inode as parameter])
1227 AC_MSG_RESULT([yes])
1231 EXTRA_KCFLAGS="$tmp_flags"
1234 # 3.5 has generic_file_llseek_size with 5 args
1235 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1236 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1237 LB_LINUX_TRY_COMPILE([
1238 #include <linux/fs.h>
1240 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1242 AC_MSG_RESULT([yes])
1243 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1244 [kernel has generic_file_llseek_size with 5 args])
1251 # 3.6 switch i_dentry/d_alias from list to hlist
1253 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1254 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1255 tmp_flags="$EXTRA_KCFLAGS"
1256 EXTRA_KCFLAGS="-Werror"
1257 LB_LINUX_TRY_COMPILE([
1258 #include <linux/fs.h>
1259 #include <linux/list.h>
1262 struct dentry dentry;
1263 struct hlist_head head;
1264 struct hlist_node node;
1265 inode.i_dentry = head;
1266 dentry.d_alias = node;
1268 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1269 [have i_dentry/d_alias uses hlist])
1270 AC_MSG_RESULT([yes])
1274 EXTRA_KCFLAGS="$tmp_flags"
1278 # 3.6 dentry_open uses struct path as first argument
1279 # see kernel commit 765927b2
1281 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1282 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1283 tmp_flags="$EXTRA_KCFLAGS"
1284 EXTRA_KCFLAGS="-Werror"
1285 LB_LINUX_TRY_COMPILE([
1286 #include <linux/fs.h>
1287 #include <linux/path.h>
1290 dentry_open(&path, 0, NULL);
1292 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1293 [dentry_open uses struct path as first argument])
1294 AC_MSG_RESULT([yes])
1298 EXTRA_KCFLAGS="$tmp_flags"
1302 # 3.6 vfs adds iop->atomic_open
1304 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1305 [AC_MSG_CHECKING([if iop has atomic_open])
1306 LB_LINUX_TRY_COMPILE([
1307 #include <linux/fs.h>
1309 struct inode_operations iop;
1310 iop.atomic_open = NULL;
1312 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1313 [have iop atomic_open])
1314 AC_MSG_RESULT([yes])
1321 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1323 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1324 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1325 LB_LINUX_TRY_COMPILE([
1326 #include <linux/fs.h>
1327 #include <linux/posix_acl_xattr.h>
1329 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1331 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1332 [posix_acl_to_xattr takes struct user_namespace])
1333 AC_MSG_RESULT([yes])
1340 # 3.9 uses hlist_for_each_entry with 3 args
1341 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1343 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1344 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1345 LB_LINUX_TRY_COMPILE([
1346 #include <linux/list.h>
1347 #include <linux/fs.h>
1349 struct inode *inode;
1350 struct dentry *dentry;
1351 hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1355 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1356 AC_MSG_RESULT([yes])
1363 # 3.9 killed f_vfsmnt by
1364 # 182be684784334598eee1d90274e7f7aa0063616
1365 # replacement is f_path.mnt
1367 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1368 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1369 LB_LINUX_TRY_COMPILE([
1370 #include <linux/fs.h>
1372 struct file *fp = NULL;
1375 path.mnt = fp->f_path.mnt;
1377 AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1378 AC_MSG_RESULT([yes])
1387 # Lustre linux kernel checks
1389 AC_DEFUN([LC_PROG_LINUX],
1393 LC_CONFIG_LIBLUSTRE_RECOVERY
1394 LC_CONFIG_HEALTH_CHECK_WRITE
1395 LC_CONFIG_LRU_RESIZE
1396 LC_LLITE_LLOOP_MODULE
1405 # raid5-zerocopy patch
1413 LC_INODE_PERMISION_2ARGS
1417 # 2.6.27.15-2 sles11
1422 LC_BLK_QUEUE_MAX_SEGMENTS
1425 LC_HAVE_DQUOT_FS_DISK_QUOTA
1426 LC_HAVE_DQUOT_SUSPEND
1430 LC_EXPORT_SIMPLE_SETATTR
1431 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
1435 LC_SBOPS_EVICT_INODE
1441 LC_BLKDEV_GET_BY_DEV
1442 LC_GENERIC_PERMISSION
1443 LC_QUOTA_ON_USE_PATH
1450 LC_REQUEST_QUEUE_UNPLUG_FN
1451 LC_HAVE_FSTYPE_MOUNT
1454 LC_DIRTY_INODE_WITH_FLAG
1457 LC_LM_XXX_LOCK_MANAGER_OPS
1463 LC_BLOCKS_FOR_TRUNCATE
1466 LC_HAVE_VOID_MAKE_REQUEST_FN
1467 LC_HAVE_PROTECT_I_NLINK
1470 LC_HAVE_MIGRATE_HEADER
1471 LC_MIGRATEPAGE_4ARGS
1472 LC_SUPEROPS_USE_DENTRY
1473 LC_INODEOPS_USE_UMODE_T
1478 LC_KMAP_ATOMIC_HAS_1ARG
1482 LC_HAVE_ENCODE_FH_PARENT
1483 LC_FILE_LLSEEK_SIZE_5ARG
1486 LC_HAVE_DENTRY_D_ALIAS_HLIST
1487 LC_DENTRY_OPEN_USE_PATH
1488 LC_HAVE_IOP_ATOMIC_OPEN
1491 LC_HAVE_POSIXACL_USER_NS
1494 LC_HAVE_HLIST_FOR_EACH_3ARG
1498 if test x$enable_server = xyes ; then
1499 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1500 LC_FUNC_DEV_SET_RDONLY
1508 # LC_CONFIG_CLIENT_SERVER
1510 # Build client/server sides of Lustre
1512 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1513 [AC_MSG_CHECKING([whether to build Lustre server support])
1514 AC_ARG_ENABLE([server],
1515 AC_HELP_STRING([--disable-server],
1516 [disable Lustre server support]),
1517 [],[enable_server='yes'])
1518 AC_MSG_RESULT([$enable_server])
1520 AC_MSG_CHECKING([whether to build Lustre client support])
1521 AC_ARG_ENABLE([client],
1522 AC_HELP_STRING([--disable-client],
1523 [disable Lustre client support]),
1524 [],[enable_client='yes'])
1525 AC_MSG_RESULT([$enable_client])])
1528 # LC_CONFIG_LIBLUSTRE
1530 # whether to build liblustre
1532 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1533 [AC_MSG_CHECKING([whether to build Lustre library])
1534 AC_ARG_ENABLE([liblustre],
1535 AC_HELP_STRING([--disable-liblustre],
1536 [disable building of Lustre library]),
1537 [],[enable_liblustre=$with_sysio])
1538 AC_MSG_RESULT([$enable_liblustre])
1539 # only build sysio if liblustre is built
1540 with_sysio="$enable_liblustre"
1542 AC_MSG_CHECKING([whether to build liblustre tests])
1543 AC_ARG_ENABLE([liblustre-tests],
1544 AC_HELP_STRING([--enable-liblustre-tests],
1545 [enable liblustre tests, if --disable-tests is used]),
1546 [],[enable_liblustre_tests=$enable_tests])
1547 if test x$enable_liblustre != xyes ; then
1548 enable_liblustre_tests='no'
1550 AC_MSG_RESULT([$enable_liblustre_tests])
1552 AC_MSG_CHECKING([whether to enable liblustre acl])
1553 AC_ARG_ENABLE([liblustre-acl],
1554 AC_HELP_STRING([--disable-liblustre-acl],
1555 [disable ACL support for liblustre]),
1556 [],[enable_liblustre_acl=yes])
1557 AC_MSG_RESULT([$enable_liblustre_acl])
1558 if test x$enable_liblustre_acl = xyes ; then
1559 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1565 AC_ARG_ENABLE(mpitests,
1566 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1567 [include mpi tests]),
1578 MPICC_WRAPPER=$enableval
1588 if test x$enable_mpitests != xno; then
1589 AC_MSG_CHECKING([whether mpitests can be built])
1597 MPI_Initialized(&flag);
1600 AC_MSG_RESULT([yes])
1607 AC_SUBST(MPICC_WRAPPER)
1609 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1610 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1613 LC_CONFIG_LIBLUSTRE_RECOVERY
1619 # whether to enable quota support global control
1621 AC_DEFUN([LC_CONFIG_QUOTA],
1622 [AC_ARG_ENABLE([quota],
1623 AC_HELP_STRING([--enable-quota],
1624 [enable quota support]),
1625 [],[enable_quota='yes'])
1628 AC_DEFUN([LC_QUOTA],
1632 AC_CHECK_HEADER(sys/quota.h,
1633 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1634 [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(USE_QUILT, test x$QUILT != xno)
1845 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1846 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1847 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1848 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1849 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1850 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1851 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1852 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1853 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1854 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1855 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1856 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1862 # files that should be generated with AC_OUTPUT
1864 AC_DEFUN([LC_CONFIG_FILES],
1868 lustre/autoconf/Makefile
1869 lustre/conf/Makefile
1870 lustre/contrib/Makefile
1872 lustre/include/Makefile
1873 lustre/include/lustre_ver.h
1874 lustre/include/linux/Makefile
1875 lustre/include/darwin/Makefile
1876 lustre/include/lustre/Makefile
1877 lustre/kernel_patches/targets/2.6-rhel6.target
1878 lustre/kernel_patches/targets/2.6-rhel5.target
1879 lustre/kernel_patches/targets/2.6-sles11.target
1880 lustre/kernel_patches/targets/3.0-sles11.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