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])
386 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
388 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
389 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
390 LB_LINUX_TRY_COMPILE([
391 #include <linux/fs.h>
393 int v __attribute__ ((unused));
394 v = FS_RENAME_DOES_D_MOVE;
397 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
405 # 2.6.24 has bio_endio with 2 args
406 AC_DEFUN([LC_BIO_ENDIO_2ARG],
407 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
408 LB_LINUX_TRY_COMPILE([
409 #include <linux/bio.h>
414 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
415 [kernel has bio_endio with 2 args])
421 # 2.6.24 removes long aged procfs entry -> deleted member
422 AC_DEFUN([LC_PROCFS_DELETED],
423 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
424 LB_LINUX_TRY_COMPILE([
425 #include <linux/proc_fs.h>
427 struct proc_dir_entry pde;
429 pde.deleted = sizeof(pde);
432 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
433 [kernel has deleted member in procfs entry struct])
441 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
442 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
443 [AC_MSG_CHECKING([fs_struct use path structure])
444 LB_LINUX_TRY_COMPILE([
445 #include <asm/atomic.h>
446 #include <linux/spinlock.h>
447 #include <linux/fs_struct.h>
451 fs.pwd = *((struct path *)sizeof(fs));
454 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
455 [fs_struct use path structure])
465 # LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27)
466 # check security plug in sles10 sp2 kernel
467 AC_DEFUN([LC_SECURITY_PLUG],
468 [AC_MSG_CHECKING([If kernel has security plug support])
469 LB_LINUX_TRY_COMPILE([
470 #include <linux/fs.h>
471 #include <linux/stddef.h>
473 notify_change(NULL, NULL, NULL);
476 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
477 [SLES10 SP2 use extra parameter in vfs])
483 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
484 [AC_MSG_CHECKING([inode_operations->permission has two args])
485 LB_LINUX_TRY_COMPILE([
486 #include <linux/fs.h>
488 struct inode *inode __attribute__ ((unused));
491 inode->i_op->permission(NULL, 0);
493 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
494 [inode_operations->permission has two args])
501 # 2.6.27 use 5th parameter in quota_on for remount.
502 AC_DEFUN([LC_QUOTA_ON_5ARGS],
503 [AC_MSG_CHECKING([quota_on needs 5 parameters])
504 LB_LINUX_TRY_COMPILE([
505 #include <linux/fs.h>
506 #include <linux/quota.h>
508 struct quotactl_ops *qop = NULL;
509 qop->quota_on(NULL, 0, 0, NULL, 0);
511 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
512 [quota_on needs 5 paramters])
519 # 2.6.27 use 3th parameter in quota_off for remount.
520 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
521 [AC_MSG_CHECKING([quota_off needs 3 parameters])
522 LB_LINUX_TRY_COMPILE([
523 #include <linux/fs.h>
524 #include <linux/quota.h>
526 struct quotactl_ops *qop = NULL;
527 qop->quota_off(NULL, 0, 0);
529 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
530 [quota_off needs 3 paramters])
537 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
538 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
539 tmp_flags="$EXTRA_KCFLAGS"
540 EXTRA_KCFLAGS="-Werror"
541 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
542 LB_LINUX_TRY_COMPILE([
543 #include <linux/fs.h>
544 #include <linux/quota.h>
546 struct quotactl_ops qops = {};
547 struct fs_disk_quota fdq;
548 qops.set_dqblk(NULL, 0, 0, &fdq);
550 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
555 EXTRA_KCFLAGS="$tmp_flags"
558 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
559 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
560 [AC_MSG_CHECKING([if dquot_suspend is defined])
561 LB_LINUX_TRY_COMPILE([
562 #include <linux/quotaops.h>
564 dquot_suspend(NULL, -1);
566 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
575 # 2.6.27 sles11 remove the bi_hw_segments
576 AC_DEFUN([LC_BI_HW_SEGMENTS],
577 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
578 LB_LINUX_TRY_COMPILE([
579 #include <linux/bio.h>
582 io.bi_hw_segments = sizeof(io);
584 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
585 [struct bio has a bi_hw_segments field])
593 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
594 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
595 AC_DEFUN([LC_HAVE_QUOTAIO_H],
596 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
597 AC_DEFINE(HAVE_QUOTAIO_H, 1,
598 [kernel has include/linux/quotaio_v2.h])
599 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
600 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
601 [kernel has fs/quotaio_v1.h])
602 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
603 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
604 [kernel has fs/quota/quotaio_v2.h])
614 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
615 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
616 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
617 LB_LINUX_TRY_COMPILE([
618 #include <linux/blkdev.h>
620 blk_queue_max_segments(NULL, 0);
623 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
624 [blk_queue_max_segments is defined])
633 # Check if kernel has been patched for 64-bit quota limits support.
634 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
635 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
636 # that in the absence of quotaio_v1.h in the kernel headers.
638 AC_DEFUN([LC_QUOTA64],[
639 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
640 tmp_flags="$EXTRA_KCFLAGS"
641 EXTRA_KCFLAGS="-I$LINUX/fs"
642 LB_LINUX_TRY_COMPILE([
643 #include <linux/kernel.h>
644 #include <linux/fs.h>
645 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
646 # include <quota/quotaio_v2.h>
647 struct v2r1_disk_dqblk dqblk_r1;
649 #include <linux/quota.h>
650 int ver = QFMT_VFS_V1;
653 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
656 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
657 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
661 EXTRA_KCFLAGS=$tmp_flags
665 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
667 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
668 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
669 LB_LINUX_TRY_COMPILE([
670 #include <asm/atomic.h>
671 #include <linux/spinlock.h>
672 #include <linux/fs_struct.h>
674 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
676 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
677 [fs_struct.lock use rwlock])
685 # 2.6.36 super_operations add evict_inode method. it hybird of
686 # delete_inode & clear_inode.
688 AC_DEFUN([LC_SBOPS_EVICT_INODE],
689 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
690 LB_LINUX_TRY_COMPILE([
691 #include <linux/fs.h>
693 ((struct super_operations *)0)->evict_inode(NULL);
695 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
696 [super_operations.evict_inode() is exist in kernel])
704 # 2.6.35 file_operations.fsync taken 2 arguments.
705 # 3.0.0 file_operations.fsync takes 4 arguments.
707 AC_DEFUN([LC_FILE_FSYNC],
708 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
709 LB_LINUX_TRY_COMPILE([
710 #include <linux/fs.h>
712 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
714 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
715 [file_operations.fsync takes 4 arguments])
716 AC_MSG_RESULT([yes, 4 args])
718 LB_LINUX_TRY_COMPILE([
719 #include <linux/fs.h>
721 ((struct file_operations *)0)->fsync(NULL, 0);
723 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
724 [file_operations.fsync takes 2 arguments])
725 AC_MSG_RESULT([yes, 2 args])
733 # 2.6.37 remove kernel_locked
735 AC_DEFUN([LC_KERNEL_LOCKED],
736 [AC_MSG_CHECKING([if kernel_locked is defined])
737 LB_LINUX_TRY_COMPILE([
738 #include <linux/smp_lock.h>
743 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
744 [kernel_locked is defined])
751 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
753 AC_DEFUN([LC_D_COMPARE_7ARGS],
754 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
755 LB_LINUX_TRY_COMPILE([
756 #include <linux/dcache.h>
758 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
760 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
761 [d_compare need 7 arguments])
769 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
771 AC_DEFUN([LC_D_DELETE_CONST],
772 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
773 tmp_flags="$EXTRA_KCFLAGS"
774 EXTRA_KCFLAGS="-Werror"
775 LB_LINUX_TRY_COMPILE([
776 #include <linux/dcache.h>
778 const struct dentry *d = NULL;
779 ((struct dentry_operations*)0)->d_delete(d);
781 AC_DEFINE(HAVE_D_DELETE_CONST, const,
782 [d_delete first parameter declared const])
785 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
788 EXTRA_KCFLAGS="$tmp_flags"
792 # 2.6.38 dcache_lock removed. rcu-walk commited.
794 AC_DEFUN([LC_DCACHE_LOCK],
795 [AC_MSG_CHECKING([if dcache_lock is exist])
796 LB_LINUX_TRY_COMPILE([
797 #include <linux/dcache.h>
799 spin_lock(&dcache_lock);
801 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
802 [dcache_lock is exist])
810 # 2.6.38 inode.i_rcu added.
812 AC_DEFUN([LC_INODE_I_RCU],
813 [AC_MSG_CHECKING([if inode.i_rcu exists])
814 LB_LINUX_TRY_COMPILE([
815 #include <linux/fs.h>
818 struct rcu_head rcu = {};
821 AC_DEFINE(HAVE_INODE_I_RCU, 1,
822 [inode.i_rcu exists])
830 # 2.6.38 export blkdev_get_by_dev
832 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
833 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
835 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
836 [blkdev_get_by_dev is exported by the kernel])
842 # 2.6.38 use path as 4th parameter in quota_on.
844 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
845 [AC_MSG_CHECKING([quota_on use path as parameter])
846 tmp_flags="$EXTRA_KCFLAGS"
847 EXTRA_KCFLAGS="-Werror"
848 LB_LINUX_TRY_COMPILE([
849 #include <linux/fs.h>
850 #include <linux/quota.h>
852 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
854 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
855 [quota_on use path as 4th paramter])
860 EXTRA_KCFLAGS="$tmp_flags"
864 # 2.6.38 export simple_setattr
866 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
867 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
869 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
870 [simple_setattr is exported by the kernel])
876 # 2.6.39 remove unplug_fn from request_queue.
878 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
879 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
880 LB_LINUX_TRY_COMPILE([
881 #include <linux/blkdev.h>
883 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
885 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
886 [request_queue has unplug_fn field])
894 # 2.6.39 replace get_sb with mount in struct file_system_type
896 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
897 [AC_MSG_CHECKING([if file_system_type has mount field])
898 LB_LINUX_TRY_COMPILE([
899 #include <linux/fs.h>
901 struct file_system_type fst;
902 void *i = (void *) fst.mount;
904 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
905 [struct file_system_type has mount field])
913 # 3.0 dirty_inode() has a flag parameter
914 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
916 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
917 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
918 LB_LINUX_TRY_COMPILE([
919 #include <linux/fs.h>
922 inode->i_sb->s_op->dirty_inode(NULL, 0);
924 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
925 [dirty_inode super_operation takes flag])
933 # 2.6.38 generic_permission taken 4 parameters.
934 # in fact, it means rcu-walk aware permission bring.
936 # 3.1 generic_permission taken 2 parameters.
937 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
939 AC_DEFUN([LC_GENERIC_PERMISSION],
940 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
941 LB_LINUX_TRY_COMPILE([
942 #include <linux/fs.h>
944 generic_permission(NULL, 0);
946 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
947 [generic_permission taken 2 arguments])
948 AC_MSG_RESULT([yes, 2 args])
950 LB_LINUX_TRY_COMPILE([
951 #include <linux/fs.h>
953 generic_permission(NULL, 0, 0, NULL);
955 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
956 [generic_permission taken 4 arguments])
957 AC_MSG_RESULT([yes, 4 args])
965 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
966 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
968 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
969 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
970 LB_LINUX_TRY_COMPILE([
971 #include <linux/fs.h>
973 struct lock_manager_operations lm_ops;
974 lm_ops.lm_compare_owner = NULL;
976 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
977 [lock-manager ops renamed to lm_xxx])
985 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
986 # inode_dio_done instead.
987 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
989 AC_DEFUN([LC_INODE_DIO_WAIT],
990 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
991 LB_LINUX_TRY_COMPILE([
992 #include <linux/fs.h>
994 inode_dio_wait((struct inode *)0);
995 inode_dio_done((struct inode *)0);
997 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
998 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
1006 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
1007 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
1009 AC_DEFUN([LC_IOP_GET_ACL],
1010 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
1011 LB_LINUX_TRY_COMPILE([
1012 #include <linux/fs.h>
1014 struct inode_operations iop;
1017 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
1018 [inode_operations has .get_acl member function])
1019 AC_MSG_RESULT([yes])
1026 # 3.1.1 has ext4_blocks_for_truncate
1028 AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
1029 [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
1030 LB_LINUX_TRY_COMPILE([
1031 #include <linux/fs.h>
1032 #include "$LINUX/fs/ext4/ext4_jbd2.h"
1033 #include "$LINUX/fs/ext4/truncate.h"
1035 ext4_blocks_for_truncate(NULL);
1037 AC_MSG_RESULT([yes])
1038 AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
1039 [kernel has ext4_blocks_for_truncate])
1046 # 3.1 introduced generic_file_llseek_size()
1048 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
1049 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
1051 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
1052 [generic_file_llseek_size is exported by the kernel])])
1056 # 3.2 request_queue.make_request_fn defined as function returns with void
1057 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
1059 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
1060 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
1061 LB_LINUX_TRY_COMPILE([
1062 #include <linux/blkdev.h>
1065 make_request_fn *mrf;
1066 ret = mrf(NULL, NULL);
1070 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
1071 [request_queue.make_request_fn returns void but not int])
1072 AC_MSG_RESULT([yes])
1077 # 3.2 protects inode->i_nlink from direct modification
1078 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
1079 # at the same time adds set_nlink(), so checks set_nlink() for it.
1081 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
1082 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
1083 LB_LINUX_TRY_COMPILE([
1084 #include <linux/fs.h>
1089 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
1090 [inode->i_nlink is protected from direct modification])
1091 AC_MSG_RESULT([yes])
1098 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1100 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
1101 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
1102 AC_DEFINE(HAVE_MIGRATE_H, 1,
1103 [kernel has include/linux/migrate.h])
1104 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
1105 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1106 [kernel has include/linux/migrate_mode.h])
1113 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
1114 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
1115 LB_LINUX_TRY_COMPILE([
1116 #include <linux/fs.h>
1117 #ifdef HAVE_MIGRATE_H
1118 #include <linux/migrate.h>
1119 #elif defined(HAVE_MIGRATE_MODE_H)
1120 #include <linux/migrate_mode.h>
1123 struct address_space_operations aops;
1125 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1127 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1128 [address_space_operations.migratepage has 4 args])
1129 AC_MSG_RESULT([yes])
1136 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1137 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1139 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
1140 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
1141 tmp_flags="$EXTRA_KCFLAGS"
1142 EXTRA_KCFLAGS="-Werror"
1143 LB_LINUX_TRY_COMPILE([
1144 #include <linux/fs.h>
1145 int show_options(struct seq_file *seq, struct dentry *root){
1149 struct super_operations ops;
1150 ops.show_options = show_options;
1152 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1153 [super_operations use dentry as parameter])
1154 AC_MSG_RESULT([yes])
1158 EXTRA_KCFLAGS="$tmp_flags"
1162 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1163 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1165 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
1166 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
1167 tmp_flags="$EXTRA_KCFLAGS"
1168 EXTRA_KCFLAGS="-Werror"
1169 LB_LINUX_TRY_COMPILE([
1170 #include <linux/fs.h>
1171 #include <linux/types.h>
1172 int my_mknod(struct inode *dir, struct dentry *dchild,
1173 umode_t mode, dev_t dev)
1178 struct inode_operations ops;
1179 ops.mknod = my_mknod;
1181 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1182 [inode_operations use umode_t as parameter])
1183 AC_MSG_RESULT([yes])
1187 EXTRA_KCFLAGS="$tmp_flags"
1190 # 3.4 kmap_atomic removes second argument
1191 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1193 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1194 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1195 LB_LINUX_TRY_COMPILE([
1196 #include <linux/highmem.h>
1200 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1201 [have kmap_atomic has only 1 argument])
1202 AC_MSG_RESULT([yes])
1209 # 3.4 switchs touch_atime to struct path
1210 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1212 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1213 [AC_MSG_CHECKING([if touch_atime use one argument])
1214 LB_LINUX_TRY_COMPILE([
1215 #include <linux/fs.h>
1217 touch_atime((struct path *)NULL);
1219 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1220 [touch_atime use one argument])
1221 AC_MSG_RESULT([yes])
1228 # 3.4 converts d_alloc_root to d_make_root
1229 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1231 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1232 [AC_MSG_CHECKING([if have d_make_root])
1233 LB_LINUX_TRY_COMPILE([
1234 #include <linux/fs.h>
1236 d_make_root((struct inode *)NULL);
1238 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1240 AC_MSG_RESULT([yes])
1247 # 3.5 renames end_writeback() back to clear_inode()...
1248 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1250 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1251 [AC_MSG_CHECKING([if have clear_inode])
1252 LB_LINUX_TRY_COMPILE([
1253 #include <linux/fs.h>
1255 clear_inode((struct inode *)NULL);
1257 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1259 AC_MSG_RESULT([yes])
1266 # 3.5 encode_fh has parent inode passed in directly
1267 # see kernel commit b0b0382b
1269 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1270 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1271 tmp_flags="$EXTRA_KCFLAGS"
1272 EXTRA_KCFLAGS="-Werror"
1273 LB_LINUX_TRY_COMPILE([
1274 #include <linux/exportfs.h>
1275 #include <linux/fs.h>
1276 #include <linux/types.h>
1277 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1282 struct export_operations exp_op;
1283 exp_op.encode_fh = ll_encode_fh;
1285 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1286 [have parent inode as parameter])
1287 AC_MSG_RESULT([yes])
1291 EXTRA_KCFLAGS="$tmp_flags"
1294 # 3.5 has generic_file_llseek_size with 5 args
1295 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1296 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1297 LB_LINUX_TRY_COMPILE([
1298 #include <linux/fs.h>
1300 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1302 AC_MSG_RESULT([yes])
1303 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1304 [kernel has generic_file_llseek_size with 5 args])
1311 # 3.6 switch i_dentry/d_alias from list to hlist
1313 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1314 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1315 tmp_flags="$EXTRA_KCFLAGS"
1316 EXTRA_KCFLAGS="-Werror"
1317 LB_LINUX_TRY_COMPILE([
1318 #include <linux/fs.h>
1319 #include <linux/list.h>
1322 struct dentry dentry;
1323 struct hlist_head head;
1324 struct hlist_node node;
1325 inode.i_dentry = head;
1326 dentry.d_alias = node;
1328 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1329 [have i_dentry/d_alias uses hlist])
1330 AC_MSG_RESULT([yes])
1334 EXTRA_KCFLAGS="$tmp_flags"
1338 # 3.6 dentry_open uses struct path as first argument
1339 # see kernel commit 765927b2
1341 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1342 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1343 tmp_flags="$EXTRA_KCFLAGS"
1344 EXTRA_KCFLAGS="-Werror"
1345 LB_LINUX_TRY_COMPILE([
1346 #include <linux/fs.h>
1347 #include <linux/path.h>
1350 dentry_open(&path, 0, NULL);
1352 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1353 [dentry_open uses struct path as first argument])
1354 AC_MSG_RESULT([yes])
1358 EXTRA_KCFLAGS="$tmp_flags"
1362 # 3.6 vfs adds iop->atomic_open
1364 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1365 [AC_MSG_CHECKING([if iop has atomic_open])
1366 LB_LINUX_TRY_COMPILE([
1367 #include <linux/fs.h>
1369 struct inode_operations iop;
1370 iop.atomic_open = NULL;
1372 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1373 [have iop atomic_open])
1374 AC_MSG_RESULT([yes])
1381 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1383 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1384 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1385 LB_LINUX_TRY_COMPILE([
1386 #include <linux/fs.h>
1387 #include <linux/posix_acl_xattr.h>
1389 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1391 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1392 [posix_acl_to_xattr takes struct user_namespace])
1393 AC_MSG_RESULT([yes])
1400 # 3.9 uses hlist_for_each_entry with 3 args
1401 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1403 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1404 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1405 LB_LINUX_TRY_COMPILE([
1406 #include <linux/list.h>
1407 #include <linux/fs.h>
1409 struct inode *inode;
1410 struct dentry *dentry;
1411 hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1415 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1416 AC_MSG_RESULT([yes])
1423 # 3.9 killed f_vfsmnt by
1424 # 182be684784334598eee1d90274e7f7aa0063616
1425 # replacement is f_path.mnt
1427 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1428 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1429 LB_LINUX_TRY_COMPILE([
1430 #include <linux/fs.h>
1432 struct file *fp = NULL;
1435 path.mnt = fp->f_path.mnt;
1437 AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1438 AC_MSG_RESULT([yes])
1447 # Lustre linux kernel checks
1449 AC_DEFUN([LC_PROG_LINUX],
1453 LC_CONFIG_LIBLUSTRE_RECOVERY
1454 LC_CONFIG_HEALTH_CHECK_WRITE
1455 LC_CONFIG_LRU_RESIZE
1456 LC_LLITE_LLOOP_MODULE
1465 # raid5-zerocopy patch
1469 LC_FS_RENAME_DOES_D_MOVE
1476 LC_FS_STRUCT_USE_PATH
1479 LC_SECURITY_PLUG # for SLES10 SP2
1480 LC_INODE_PERMISION_2ARGS
1484 # 2.6.27.15-2 sles11
1489 LC_BLK_QUEUE_MAX_SEGMENTS
1492 LC_HAVE_DQUOT_FS_DISK_QUOTA
1493 LC_HAVE_DQUOT_SUSPEND
1497 LC_EXPORT_SIMPLE_SETATTR
1498 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
1502 LC_SBOPS_EVICT_INODE
1508 LC_BLKDEV_GET_BY_DEV
1509 LC_GENERIC_PERMISSION
1510 LC_QUOTA_ON_USE_PATH
1517 LC_REQUEST_QUEUE_UNPLUG_FN
1518 LC_HAVE_FSTYPE_MOUNT
1521 LC_DIRTY_INODE_WITH_FLAG
1524 LC_LM_XXX_LOCK_MANAGER_OPS
1530 LC_BLOCKS_FOR_TRUNCATE
1533 LC_HAVE_VOID_MAKE_REQUEST_FN
1534 LC_HAVE_PROTECT_I_NLINK
1537 LC_HAVE_MIGRATE_HEADER
1538 LC_MIGRATEPAGE_4ARGS
1539 LC_SUPEROPS_USE_DENTRY
1540 LC_INODEOPS_USE_UMODE_T
1545 LC_KMAP_ATOMIC_HAS_1ARG
1549 LC_HAVE_ENCODE_FH_PARENT
1550 LC_FILE_LLSEEK_SIZE_5ARG
1553 LC_HAVE_DENTRY_D_ALIAS_HLIST
1554 LC_DENTRY_OPEN_USE_PATH
1555 LC_HAVE_IOP_ATOMIC_OPEN
1558 LC_HAVE_POSIXACL_USER_NS
1561 LC_HAVE_HLIST_FOR_EACH_3ARG
1565 if test x$enable_server = xyes ; then
1566 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1567 LC_FUNC_DEV_SET_RDONLY
1575 # LC_CONFIG_CLIENT_SERVER
1577 # Build client/server sides of Lustre
1579 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1580 [AC_MSG_CHECKING([whether to build Lustre server support])
1581 AC_ARG_ENABLE([server],
1582 AC_HELP_STRING([--disable-server],
1583 [disable Lustre server support]),
1584 [],[enable_server='yes'])
1585 AC_MSG_RESULT([$enable_server])
1587 AC_MSG_CHECKING([whether to build Lustre client support])
1588 AC_ARG_ENABLE([client],
1589 AC_HELP_STRING([--disable-client],
1590 [disable Lustre client support]),
1591 [],[enable_client='yes'])
1592 AC_MSG_RESULT([$enable_client])])
1595 # LC_CONFIG_LIBLUSTRE
1597 # whether to build liblustre
1599 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1600 [AC_MSG_CHECKING([whether to build Lustre library])
1601 AC_ARG_ENABLE([liblustre],
1602 AC_HELP_STRING([--disable-liblustre],
1603 [disable building of Lustre library]),
1604 [],[enable_liblustre=$with_sysio])
1605 AC_MSG_RESULT([$enable_liblustre])
1606 # only build sysio if liblustre is built
1607 with_sysio="$enable_liblustre"
1609 AC_MSG_CHECKING([whether to build liblustre tests])
1610 AC_ARG_ENABLE([liblustre-tests],
1611 AC_HELP_STRING([--enable-liblustre-tests],
1612 [enable liblustre tests, if --disable-tests is used]),
1613 [],[enable_liblustre_tests=$enable_tests])
1614 if test x$enable_liblustre != xyes ; then
1615 enable_liblustre_tests='no'
1617 AC_MSG_RESULT([$enable_liblustre_tests])
1619 AC_MSG_CHECKING([whether to enable liblustre acl])
1620 AC_ARG_ENABLE([liblustre-acl],
1621 AC_HELP_STRING([--disable-liblustre-acl],
1622 [disable ACL support for liblustre]),
1623 [],[enable_liblustre_acl=yes])
1624 AC_MSG_RESULT([$enable_liblustre_acl])
1625 if test x$enable_liblustre_acl = xyes ; then
1626 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1632 AC_ARG_ENABLE(mpitests,
1633 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1634 [include mpi tests]),
1645 MPICC_WRAPPER=$enableval
1655 if test x$enable_mpitests != xno; then
1656 AC_MSG_CHECKING([whether mpitests can be built])
1664 MPI_Initialized(&flag);
1667 AC_MSG_RESULT([yes])
1674 AC_SUBST(MPICC_WRAPPER)
1676 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1677 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1680 LC_CONFIG_LIBLUSTRE_RECOVERY
1686 # whether to enable quota support global control
1688 AC_DEFUN([LC_CONFIG_QUOTA],
1689 [AC_ARG_ENABLE([quota],
1690 AC_HELP_STRING([--enable-quota],
1691 [enable quota support]),
1692 [],[enable_quota='yes'])
1695 AC_DEFUN([LC_QUOTA],
1699 AC_CHECK_HEADER(sys/quota.h,
1700 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1701 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1707 # whether to enable split support
1709 AC_DEFUN([LC_CONFIG_SPLIT],
1710 [AC_MSG_CHECKING([whether to enable split support])
1711 AC_ARG_ENABLE([split],
1712 AC_HELP_STRING([--enable-split],
1713 [enable split support]),
1714 [],[enable_split='no'])
1715 AC_MSG_RESULT([$enable_split])
1716 if test x$enable_split != xno; then
1717 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1722 # LC_LLITE_LLOOP_MODULE
1723 # lloop_llite.ko does not currently work with page sizes
1726 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1727 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1728 LB_LINUX_TRY_COMPILE([
1729 #include <asm/page.h>
1731 #if PAGE_SIZE >= 65536
1732 #error "PAGE_SIZE >= 65536"
1735 enable_llite_lloop_module='yes'
1736 AC_MSG_RESULT([yes])
1738 enable_llite_lloop_module='no'
1746 # configure support for optional OSD implementation
1748 AC_DEFUN([LC_OSD_ADDON],
1749 [AC_MSG_CHECKING([for osd])
1751 AC_HELP_STRING([--with-osd=path],
1752 [set path to optional osd]),
1755 no) ENABLEOSDADDON=0
1757 *) OSDADDON="${with_osd}"
1764 if test $ENABLEOSDADDON -eq 0; then
1768 OSDMODNAME=`basename $OSDADDON`
1769 if test -e $LUSTRE/$OSDMODNAME; then
1770 AC_MSG_RESULT([can't link])
1772 elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1773 AC_MSG_RESULT([$OSDMODNAME])
1774 OSDADDON="subdir-m += $OSDMODNAME"
1776 AC_MSG_RESULT([can't link])
1786 # other configure checks
1788 AC_DEFUN([LC_CONFIGURE],
1789 [LC_CONFIG_OBD_BUFFER_SIZE
1791 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1792 CFLAGS="$CFLAGS -Werror"
1795 # maximum MDS thread count
1798 # include/liblustre.h
1799 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1801 # liblustre/llite_lib.h
1802 AC_CHECK_HEADERS([xtio.h file.h])
1805 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1808 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1809 AC_CHECK_FUNCS([inet_ntoa])
1811 # libsysio/src/readlink.c
1814 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
1815 AC_CHECK_HEADERS([linux/random.h], [], [],
1816 [#ifdef HAVE_LINUX_TYPES_H
1817 # include <linux/types.h>
1822 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1824 # check for -lz support
1828 [AC_CHECK_HEADERS([zlib.h],
1830 AC_DEFINE([HAVE_ADLER], 1,
1831 [support alder32 checksum type])],
1832 [AC_MSG_WARN([No zlib-devel package found,
1833 unable to use adler32 checksum])])],
1834 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1839 AC_CHECK_LIB([selinux],
1840 [is_selinux_enabled],
1841 [AC_CHECK_HEADERS([selinux.h],
1842 [SELINUX="-lselinux"
1843 AC_DEFINE([HAVE_SELINUX], 1,
1844 [support for selinux ])],
1845 [AC_MSG_WARN([No selinux-devel package found,
1846 unable to build selinux enabled
1848 [AC_MSG_WARN([No selinux package found, unable to build selinux
1854 AC_ARG_ENABLE([mindf],
1855 AC_HELP_STRING([--enable-mindf],
1856 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1858 if test "$enable_mindf" = "yes" ; then
1859 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1862 AC_ARG_ENABLE([fail_alloc],
1863 AC_HELP_STRING([--disable-fail-alloc],
1864 [disable randomly alloc failure]),
1865 [],[enable_fail_alloc=yes])
1866 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1867 AC_MSG_RESULT([$enable_fail_alloc])
1868 if test x$enable_fail_alloc != xno ; then
1869 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1872 AC_ARG_ENABLE([invariants],
1873 AC_HELP_STRING([--enable-invariants],
1874 [enable invariant checking (cpu intensive)]),
1876 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
1877 AC_MSG_RESULT([$enable_invariants])
1878 if test x$enable_invariants = xyes ; then
1879 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
1882 AC_ARG_ENABLE([lu_ref],
1883 AC_HELP_STRING([--enable-lu_ref],
1884 [enable lu_ref reference tracking code]),
1886 AC_MSG_CHECKING([whether to track references with lu_ref])
1887 AC_MSG_RESULT([$enable_lu_ref])
1888 if test x$enable_lu_ref = xyes ; then
1889 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
1892 AC_ARG_ENABLE([pgstate-track],
1893 AC_HELP_STRING([--enable-pgstate-track],
1894 [enable page state tracking]),
1895 [enable_pgstat_track='yes'],[])
1896 AC_MSG_CHECKING([whether to enable page state tracking])
1897 AC_MSG_RESULT([$enable_pgstat_track])
1898 if test x$enable_pgstat_track = xyes ; then
1899 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
1900 [enable page state tracking code])
1907 # AM_CONDITIONALS for lustre
1909 AC_DEFUN([LC_CONDITIONALS],
1910 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1911 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1912 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1913 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1914 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1915 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1916 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1917 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1918 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1919 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1920 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1921 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1922 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1923 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1929 # files that should be generated with AC_OUTPUT
1931 AC_DEFUN([LC_CONFIG_FILES],
1935 lustre/autoconf/Makefile
1936 lustre/conf/Makefile
1937 lustre/contrib/Makefile
1939 lustre/include/Makefile
1940 lustre/include/lustre_ver.h
1941 lustre/include/linux/Makefile
1942 lustre/include/darwin/Makefile
1943 lustre/include/lustre/Makefile
1944 lustre/kernel_patches/targets/2.6-rhel6.target
1945 lustre/kernel_patches/targets/2.6-rhel5.target
1946 lustre/kernel_patches/targets/2.6-sles11.target
1947 lustre/kernel_patches/targets/3.0-sles11.target
1948 lustre/kernel_patches/targets/2.6-fc11.target
1949 lustre/kernel_patches/targets/2.6-fc12.target
1950 lustre/kernel_patches/targets/2.6-fc15.target
1951 lustre/kernel_patches/targets/3.x-fc18.target
1952 lustre/ldlm/Makefile
1954 lustre/fid/autoMakefile
1955 lustre/liblustre/Makefile
1956 lustre/liblustre/tests/Makefile
1957 lustre/liblustre/tests/mpi/Makefile
1958 lustre/llite/Makefile
1959 lustre/llite/autoMakefile
1960 lustre/lclient/Makefile
1962 lustre/lov/autoMakefile
1963 lustre/lvfs/Makefile
1964 lustre/lvfs/autoMakefile
1966 lustre/mdc/autoMakefile
1968 lustre/lmv/autoMakefile
1969 lustre/lfsck/Makefile
1970 lustre/lfsck/autoMakefile
1972 lustre/mdt/autoMakefile
1974 lustre/mdd/autoMakefile
1976 lustre/fld/autoMakefile
1977 lustre/obdclass/Makefile
1978 lustre/obdclass/autoMakefile
1979 lustre/obdclass/linux/Makefile
1980 lustre/obdecho/Makefile
1981 lustre/obdecho/autoMakefile
1983 lustre/ofd/autoMakefile
1985 lustre/osc/autoMakefile
1987 lustre/ost/autoMakefile
1988 lustre/osd-ldiskfs/Makefile
1989 lustre/osd-ldiskfs/autoMakefile
1990 lustre/osd-zfs/Makefile
1991 lustre/osd-zfs/autoMakefile
1993 lustre/mgc/autoMakefile
1995 lustre/mgs/autoMakefile
1996 lustre/target/Makefile
1997 lustre/ptlrpc/Makefile
1998 lustre/ptlrpc/autoMakefile
1999 lustre/ptlrpc/gss/Makefile
2000 lustre/ptlrpc/gss/autoMakefile
2001 lustre/quota/Makefile
2002 lustre/quota/autoMakefile
2003 lustre/scripts/Makefile
2004 lustre/tests/Makefile
2005 lustre/tests/mpi/Makefile
2006 lustre/utils/Makefile
2007 lustre/utils/gss/Makefile
2009 lustre/osp/autoMakefile
2011 lustre/lod/autoMakefile
2012 lustre/obdclass/darwin/Makefile