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$enable_lru_resize != xno; then
206 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
211 # Quota support. The kernel must support CONFIG_QUOTA.
213 AC_DEFUN([LC_QUOTA_CONFIG],
214 [LB_LINUX_CONFIG_IM([QUOTA],[],[
215 AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
219 # truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
220 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
221 # delete_from_page_cache() is exported from 2.6.39
222 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
223 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
225 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
226 [kernel export truncate_complete_page])])
227 LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
229 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
230 [kernel export remove_from_page_cache])])
231 LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
233 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
234 [kernel export delete_from_page_cache])])
237 # The actual symbol exported varies among architectures, so we need
238 # to check many symbols (but only in the current architecture.) No
239 # matter what symbol is exported, the kernel #defines node_to_cpumask
240 # to the appropriate function and that's what we use.
241 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
242 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
243 [arch/$LINUX_ARCH/mm/numa.c],
244 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
245 [node_to_cpumask is exported by
246 the kernel])]) # x86_64
247 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
248 [arch/$LINUX_ARCH/kernel/smpboot.c],
249 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
250 [node_to_cpumask is exported by
251 the kernel])]) # ia64
252 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
253 [arch/$LINUX_ARCH/kernel/smpboot.c],
254 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
255 [node_to_cpumask is exported by
256 the kernel])]) # i386
262 AC_DEFUN([LC_BIT_SPINLOCK_H],
263 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
264 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
265 LB_LINUX_TRY_COMPILE([
266 #include <asm/processor.h>
267 #include <linux/spinlock.h>
268 #include <linux/bit_spinlock.h>
271 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
282 AC_DEFUN([LC_CAPA_CRYPTO],
283 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
284 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
286 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
287 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
289 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
290 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
295 # LC_CONFIG_RMTCLIENT
298 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
300 AC_DEFUN([LC_CONFIG_RMTCLIENT],
301 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
302 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
307 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
309 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
310 [AC_MSG_CHECKING([whether to enable gss keyring backend])
311 AC_ARG_ENABLE([gss_keyring],
312 [AC_HELP_STRING([--disable-gss-keyring],
313 [disable gss keyring backend])],
314 [],[enable_gss_keyring='yes'])
315 AC_MSG_RESULT([$enable_gss_keyring])
317 if test x$enable_gss_keyring != xno; then
318 LB_LINUX_CONFIG_IM([KEYS],[],
319 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
321 AC_CHECK_LIB([keyutils], [keyctl_search], [],
322 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
324 AC_DEFINE([HAVE_GSS_KEYRING], [1],
325 [Define this if you enable gss keyring backend])
329 AC_DEFUN([LC_CONFIG_SUNRPC],
330 [LB_LINUX_CONFIG_IM([SUNRPC],[],
331 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
335 # LC_CONFIG_GSS (default disabled)
337 # Build gss and related tools of Lustre. Currently both kernel and user space
338 # parts are depend on linux platform.
340 AC_DEFUN([LC_CONFIG_GSS],
341 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
343 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
344 [],[enable_gss='no'])
345 AC_MSG_RESULT([$enable_gss])
347 if test x$enable_gss == xyes; then
348 LC_CONFIG_GSS_KEYRING
351 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
353 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
354 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
355 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
356 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
357 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
358 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
359 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
360 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
362 AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
363 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
364 [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
365 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
366 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
368 AC_SUBST(GSSAPI_LIBS)
376 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
377 # yet tree_lock is converted from rwlock to spin_lock since v2.6.26
378 AC_DEFUN([LC_RW_TREE_LOCK],
379 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
380 tmp_flags="$EXTRA_KCFLAGS"
381 EXTRA_KCFLAGS="-Werror"
382 LB_LINUX_TRY_COMPILE([
383 #include <linux/fs.h>
385 struct address_space a;
387 write_lock(&a.tree_lock);
390 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
394 EXTRA_KCFLAGS="$tmp_flags"
397 #2.6.18 + RHEL5 (fc6)
402 # fiemap.h is added since v2.6.28
403 # RHEL5 2.6.18 has it, while SLES10 2.6.27 does not
405 AC_DEFUN([LC_LINUX_FIEMAP_H],
406 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
407 AC_MSG_CHECKING([if fiemap.h can be compiled])
408 LB_LINUX_TRY_COMPILE([
409 #include <linux/types.h>
410 #include <linux/fiemap.h>
413 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
424 # 2.6.19 replaced writev with aio_write
425 AC_DEFUN([LC_FILE_WRITEV],
426 [AC_MSG_CHECKING([writev in fops])
427 LB_LINUX_TRY_COMPILE([
428 #include <linux/fs.h>
430 struct file_operations *fops = NULL;
434 AC_DEFINE(HAVE_FILE_WRITEV, 1,
442 # 2.6.19 replaced readv with aio_read
443 AC_DEFUN([LC_FILE_READV],
444 [AC_MSG_CHECKING([readv in fops])
445 LB_LINUX_TRY_COMPILE([
446 #include <linux/fs.h>
448 struct file_operations *fops = NULL;
452 AC_DEFINE(HAVE_FILE_READV, 1,
459 # raid5-zerocopy patch
464 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
465 # it support constant page, which means the page won't be modified during the
468 AC_DEFUN([LC_PAGE_CONSTANT],
469 [AC_MSG_CHECKING([if kernel have PageConstant defined])
470 LB_LINUX_TRY_COMPILE([
471 #include <linux/mm.h>
472 #include <linux/page-flags.h>
475 #error "Have no raid5 zcopy patch"
479 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
487 # 2.6.22 lost second parameter for invalidate_bdev
488 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
489 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
490 LB_LINUX_TRY_COMPILE([
491 #include <linux/buffer_head.h>
493 invalidate_bdev(NULL,0);
496 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
497 [invalidate_bdev has second argument])
504 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
506 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
507 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
508 LB_LINUX_TRY_COMPILE([
509 #include <linux/fs.h>
511 int v __attribute__ ((unused));
512 v = FS_RENAME_DOES_D_MOVE;
515 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
523 # 2.6.23 have return type 'void' for unregister_blkdev
524 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
525 [AC_MSG_CHECKING([if unregister_blkdev return int])
526 LB_LINUX_TRY_COMPILE([
527 #include <linux/fs.h>
529 int i __attribute__ ((unused));
530 i = unregister_blkdev(0,NULL);
533 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
534 [unregister_blkdev return int])
540 # 2.6.23 add code to wait other users to complete before removing procfs entry
541 AC_DEFUN([LC_PROCFS_USERS],
542 [AC_MSG_CHECKING([if kernel has pde_users member in procfs entry struct])
543 LB_LINUX_TRY_COMPILE([
544 #include <linux/proc_fs.h>
546 struct proc_dir_entry pde;
551 AC_DEFINE(HAVE_PROCFS_USERS, 1,
552 [kernel has pde_users member in procfs entry struct])
554 LB_LINUX_TRY_COMPILE([
555 #include "$LINUX/fs/proc/internal.h"
557 struct proc_dir_entry_aux pde_aux;
559 pde_aux.pde_users = 0;
562 AC_DEFINE(HAVE_PROCFS_USERS, 1,
563 [kernel has pde_users member in proc_dir_entry_aux])
572 # 2.6.24 has bio_endio with 2 args
573 AC_DEFUN([LC_BIO_ENDIO_2ARG],
574 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
575 LB_LINUX_TRY_COMPILE([
576 #include <linux/bio.h>
581 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
582 [kernel has bio_endio with 2 args])
588 # 2.6.24 removes long aged procfs entry -> deleted member
589 AC_DEFUN([LC_PROCFS_DELETED],
590 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
591 LB_LINUX_TRY_COMPILE([
592 #include <linux/proc_fs.h>
594 struct proc_dir_entry pde;
596 pde.deleted = sizeof(pde);
599 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
600 [kernel has deleted member in procfs entry struct])
608 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
609 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
610 [AC_MSG_CHECKING([fs_struct use path structure])
611 LB_LINUX_TRY_COMPILE([
612 #include <asm/atomic.h>
613 #include <linux/spinlock.h>
614 #include <linux/fs_struct.h>
618 fs.pwd = *((struct path *)sizeof(fs));
621 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
622 [fs_struct use path structure])
632 # LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27)
633 # check security plug in sles10 sp2 kernel
634 AC_DEFUN([LC_SECURITY_PLUG],
635 [AC_MSG_CHECKING([If kernel has security plug support])
636 LB_LINUX_TRY_COMPILE([
637 #include <linux/fs.h>
638 #include <linux/stddef.h>
640 notify_change(NULL, NULL, NULL);
643 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
644 [SLES10 SP2 use extra parameter in vfs])
650 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
651 [AC_MSG_CHECKING([inode_operations->permission has two args])
652 LB_LINUX_TRY_COMPILE([
653 #include <linux/fs.h>
655 struct inode *inode __attribute__ ((unused));
658 inode->i_op->permission(NULL, 0);
660 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
661 [inode_operations->permission has two args])
668 # 2.6.27 use 5th parameter in quota_on for remount.
669 AC_DEFUN([LC_QUOTA_ON_5ARGS],
670 [AC_MSG_CHECKING([quota_on needs 5 parameters])
671 LB_LINUX_TRY_COMPILE([
672 #include <linux/fs.h>
673 #include <linux/quota.h>
675 struct quotactl_ops *qop = NULL;
676 qop->quota_on(NULL, 0, 0, NULL, 0);
678 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
679 [quota_on needs 5 paramters])
686 # 2.6.27 use 3th parameter in quota_off for remount.
687 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
688 [AC_MSG_CHECKING([quota_off needs 3 parameters])
689 LB_LINUX_TRY_COMPILE([
690 #include <linux/fs.h>
691 #include <linux/quota.h>
693 struct quotactl_ops *qop = NULL;
694 qop->quota_off(NULL, 0, 0);
696 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
697 [quota_off needs 3 paramters])
704 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
705 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
706 tmp_flags="$EXTRA_KCFLAGS"
707 EXTRA_KCFLAGS="-Werror"
708 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
709 LB_LINUX_TRY_COMPILE([
710 #include <linux/fs.h>
711 #include <linux/quota.h>
713 struct quotactl_ops qops = {};
714 struct fs_disk_quota fdq;
715 qops.set_dqblk(NULL, 0, 0, &fdq);
717 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
722 EXTRA_KCFLAGS="$tmp_flags"
725 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
726 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
727 [AC_MSG_CHECKING([if dquot_suspend is defined])
728 LB_LINUX_TRY_COMPILE([
729 #include <linux/quotaops.h>
731 dquot_suspend(NULL, -1);
733 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
740 # LC_LOCK_MAP_ACQUIRE
741 # after 2.6.27 lock_map_acquire replaces lock_acquire
742 AC_DEFUN([LC_LOCK_MAP_ACQUIRE],
743 [AC_MSG_CHECKING([if lock_map_acquire is defined])
744 LB_LINUX_TRY_COMPILE([
745 #include <linux/lockdep.h>
747 lock_map_acquire(NULL);
750 AC_DEFINE(HAVE_LOCK_MAP_ACQUIRE, 1,
751 [lock_map_acquire is defined])
759 # 2.6.27 sles11 remove the bi_hw_segments
760 AC_DEFUN([LC_BI_HW_SEGMENTS],
761 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
762 LB_LINUX_TRY_COMPILE([
763 #include <linux/bio.h>
766 io.bi_hw_segments = sizeof(io);
768 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
769 [struct bio has a bi_hw_segments field])
777 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
778 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
779 AC_DEFUN([LC_HAVE_QUOTAIO_H],
780 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
781 AC_DEFINE(HAVE_QUOTAIO_H, 1,
782 [kernel has include/linux/quotaio_v2.h])
783 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
784 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
785 [kernel has fs/quotaio_v1.h])
786 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
787 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
788 [kernel has fs/quota/quotaio_v2.h])
796 # 2.6.30 x86 node_to_cpumask has been removed. must use cpumask_of_node
797 AC_DEFUN([LC_EXPORT_CPUMASK_OF_NODE],
798 [LB_CHECK_SYMBOL_EXPORT([node_to_cpumask_map],
799 [arch/$LINUX_ARCH/mm/numa.c],
800 [AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1,
801 [node_to_cpumask_map is exported by
802 the kernel])]) # x86_64
808 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
809 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
810 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
811 LB_LINUX_TRY_COMPILE([
812 #include <linux/blkdev.h>
814 blk_queue_max_segments(NULL, 0);
817 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
818 [blk_queue_max_segments is defined])
827 # Check if kernel has been patched for 64-bit quota limits support.
828 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
829 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
830 # that in the absence of quotaio_v1.h in the kernel headers.
832 AC_DEFUN([LC_QUOTA64],[
833 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
834 tmp_flags="$EXTRA_KCFLAGS"
835 EXTRA_KCFLAGS="-I$LINUX/fs"
836 LB_LINUX_TRY_COMPILE([
837 #include <linux/kernel.h>
838 #include <linux/fs.h>
839 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
840 # include <quota/quotaio_v2.h>
841 struct v2r1_disk_dqblk dqblk_r1;
843 #include <linux/quota.h>
844 int ver = QFMT_VFS_V1;
847 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
850 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
851 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
855 EXTRA_KCFLAGS=$tmp_flags
858 # 2.6.32 set_cpus_allowed is no more defined if CONFIG_CPUMASK_OFFSTACK=yes
859 AC_DEFUN([LC_SET_CPUS_ALLOWED],
860 [AC_MSG_CHECKING([if kernel defines set_cpus_allowed])
861 LB_LINUX_TRY_COMPILE(
862 [#include <linux/sched.h>],
863 [struct task_struct *p = NULL;
864 cpumask_t mask = { { 0 } };
865 (void) set_cpus_allowed(p, mask);],
866 [AC_MSG_RESULT([yes])
867 AC_DEFINE(HAVE_SET_CPUS_ALLOWED, 1,
868 [set_cpus_allowed is exported by the kernel])],
869 [AC_MSG_RESULT([no])] )])
872 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
874 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
875 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
876 LB_LINUX_TRY_COMPILE([
877 #include <asm/atomic.h>
878 #include <linux/spinlock.h>
879 #include <linux/fs_struct.h>
881 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
883 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
884 [fs_struct.lock use rwlock])
892 # 2.6.36 super_operations add evict_inode method. it hybird of
893 # delete_inode & clear_inode.
895 AC_DEFUN([LC_SBOPS_EVICT_INODE],
896 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
897 LB_LINUX_TRY_COMPILE([
898 #include <linux/fs.h>
900 ((struct super_operations *)0)->evict_inode(NULL);
902 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
903 [super_operations.evict_inode() is exist in kernel])
911 # 2.6.35 file_operations.fsync taken 2 arguments.
912 # 3.0.0 file_operations.fsync takes 4 arguments.
914 AC_DEFUN([LC_FILE_FSYNC],
915 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
916 LB_LINUX_TRY_COMPILE([
917 #include <linux/fs.h>
919 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
921 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
922 [file_operations.fsync takes 4 arguments])
923 AC_MSG_RESULT([yes, 4 args])
925 LB_LINUX_TRY_COMPILE([
926 #include <linux/fs.h>
928 ((struct file_operations *)0)->fsync(NULL, 0);
930 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
931 [file_operations.fsync takes 2 arguments])
932 AC_MSG_RESULT([yes, 2 args])
940 # 2.6.37 remove kernel_locked
942 AC_DEFUN([LC_KERNEL_LOCKED],
943 [AC_MSG_CHECKING([if kernel_locked is defined])
944 LB_LINUX_TRY_COMPILE([
945 #include <linux/smp_lock.h>
950 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
951 [kernel_locked is defined])
958 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
960 AC_DEFUN([LC_D_COMPARE_7ARGS],
961 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
962 LB_LINUX_TRY_COMPILE([
963 #include <linux/dcache.h>
965 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
967 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
968 [d_compare need 7 arguments])
976 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
978 AC_DEFUN([LC_D_DELETE_CONST],
979 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
980 tmp_flags="$EXTRA_KCFLAGS"
981 EXTRA_KCFLAGS="-Werror"
982 LB_LINUX_TRY_COMPILE([
983 #include <linux/dcache.h>
985 const struct dentry *d = NULL;
986 ((struct dentry_operations*)0)->d_delete(d);
988 AC_DEFINE(HAVE_D_DELETE_CONST, const,
989 [d_delete first parameter declared const])
992 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
995 EXTRA_KCFLAGS="$tmp_flags"
999 # 2.6.38 dcache_lock removed. rcu-walk commited.
1001 AC_DEFUN([LC_DCACHE_LOCK],
1002 [AC_MSG_CHECKING([if dcache_lock is exist])
1003 LB_LINUX_TRY_COMPILE([
1004 #include <linux/dcache.h>
1006 spin_lock(&dcache_lock);
1008 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
1009 [dcache_lock is exist])
1010 AC_MSG_RESULT([yes])
1017 # 2.6.38 inode.i_rcu added.
1019 AC_DEFUN([LC_INODE_I_RCU],
1020 [AC_MSG_CHECKING([if inode.i_rcu exists])
1021 LB_LINUX_TRY_COMPILE([
1022 #include <linux/fs.h>
1025 struct rcu_head rcu = {};
1028 AC_DEFINE(HAVE_INODE_I_RCU, 1,
1029 [inode.i_rcu exists])
1030 AC_MSG_RESULT([yes])
1037 # 2.6.38 export blkdev_get_by_dev
1039 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
1040 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
1042 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
1043 [blkdev_get_by_dev is exported by the kernel])
1049 # 2.6.38 use path as 4th parameter in quota_on.
1051 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
1052 [AC_MSG_CHECKING([quota_on use path as parameter])
1053 tmp_flags="$EXTRA_KCFLAGS"
1054 EXTRA_KCFLAGS="-Werror"
1055 LB_LINUX_TRY_COMPILE([
1056 #include <linux/fs.h>
1057 #include <linux/quota.h>
1059 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
1061 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
1062 [quota_on use path as 4th paramter])
1063 AC_MSG_RESULT([yes])
1067 EXTRA_KCFLAGS="$tmp_flags"
1071 # 2.6.38 export simple_setattr
1073 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
1074 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
1076 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
1077 [simple_setattr is exported by the kernel])
1083 # 2.6.39 remove unplug_fn from request_queue.
1085 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
1086 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
1087 LB_LINUX_TRY_COMPILE([
1088 #include <linux/blkdev.h>
1090 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
1092 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
1093 [request_queue has unplug_fn field])
1094 AC_MSG_RESULT([yes])
1101 # 2.6.39 replace get_sb with mount in struct file_system_type
1103 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
1104 [AC_MSG_CHECKING([if file_system_type has mount field])
1105 LB_LINUX_TRY_COMPILE([
1106 #include <linux/fs.h>
1108 struct file_system_type fst;
1109 void *i = (void *) fst.mount;
1111 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
1112 [struct file_system_type has mount field])
1113 AC_MSG_RESULT([yes])
1120 # 3.0 dirty_inode() has a flag parameter
1121 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
1123 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
1124 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
1125 LB_LINUX_TRY_COMPILE([
1126 #include <linux/fs.h>
1128 struct inode *inode;
1129 inode->i_sb->s_op->dirty_inode(NULL, 0);
1131 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
1132 [dirty_inode super_operation takes flag])
1133 AC_MSG_RESULT([yes])
1140 # 2.6.38 generic_permission taken 4 parameters.
1141 # in fact, it means rcu-walk aware permission bring.
1143 # 3.1 generic_permission taken 2 parameters.
1144 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
1146 AC_DEFUN([LC_GENERIC_PERMISSION],
1147 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
1148 LB_LINUX_TRY_COMPILE([
1149 #include <linux/fs.h>
1151 generic_permission(NULL, 0);
1153 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
1154 [generic_permission taken 2 arguments])
1155 AC_MSG_RESULT([yes, 2 args])
1157 LB_LINUX_TRY_COMPILE([
1158 #include <linux/fs.h>
1160 generic_permission(NULL, 0, 0, NULL);
1162 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
1163 [generic_permission taken 4 arguments])
1164 AC_MSG_RESULT([yes, 4 args])
1172 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
1173 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
1175 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
1176 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
1177 LB_LINUX_TRY_COMPILE([
1178 #include <linux/fs.h>
1180 struct lock_manager_operations lm_ops;
1181 lm_ops.lm_compare_owner = NULL;
1183 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
1184 [lock-manager ops renamed to lm_xxx])
1185 AC_MSG_RESULT([yes])
1192 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
1193 # inode_dio_done instead.
1194 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
1196 AC_DEFUN([LC_INODE_DIO_WAIT],
1197 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
1198 LB_LINUX_TRY_COMPILE([
1199 #include <linux/fs.h>
1201 inode_dio_wait((struct inode *)0);
1202 inode_dio_done((struct inode *)0);
1204 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
1205 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
1206 AC_MSG_RESULT([yes])
1213 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
1214 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
1216 AC_DEFUN([LC_IOP_GET_ACL],
1217 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
1218 LB_LINUX_TRY_COMPILE([
1219 #include <linux/fs.h>
1221 struct inode_operations iop;
1224 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
1225 [inode_operations has .get_acl member function])
1226 AC_MSG_RESULT([yes])
1233 # 3.1.1 has ext4_blocks_for_truncate
1235 AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
1236 [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
1237 LB_LINUX_TRY_COMPILE([
1238 #include <linux/fs.h>
1239 #include "$LINUX/fs/ext4/ext4_jbd2.h"
1240 #include "$LINUX/fs/ext4/truncate.h"
1242 ext4_blocks_for_truncate(NULL);
1244 AC_MSG_RESULT([yes])
1245 AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
1246 [kernel has ext4_blocks_for_truncate])
1253 # 3.1 introduced generic_file_llseek_size()
1255 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
1256 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
1258 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
1259 [generic_file_llseek_size is exported by the kernel])])
1263 # 3.2 request_queue.make_request_fn defined as function returns with void
1264 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
1266 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
1267 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
1268 LB_LINUX_TRY_COMPILE([
1269 #include <linux/blkdev.h>
1272 make_request_fn *mrf;
1273 ret = mrf(NULL, NULL);
1277 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
1278 [request_queue.make_request_fn returns void but not int])
1279 AC_MSG_RESULT([yes])
1284 # 3.2 protects inode->i_nlink from direct modification
1285 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
1286 # at the same time adds set_nlink(), so checks set_nlink() for it.
1288 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
1289 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
1290 LB_LINUX_TRY_COMPILE([
1291 #include <linux/fs.h>
1296 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
1297 [inode->i_nlink is protected from direct modification])
1298 AC_MSG_RESULT([yes])
1305 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1307 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
1308 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
1309 AC_DEFINE(HAVE_MIGRATE_H, 1,
1310 [kernel has include/linux/migrate.h])
1311 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
1312 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1313 [kernel has include/linux/migrate_mode.h])
1320 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
1321 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
1322 LB_LINUX_TRY_COMPILE([
1323 #include <linux/fs.h>
1324 #ifdef HAVE_MIGRATE_H
1325 #include <linux/migrate.h>
1326 #elif defined(HAVE_MIGRATE_MODE_H)
1327 #include <linux/migrate_mode.h>
1330 struct address_space_operations aops;
1332 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1334 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1335 [address_space_operations.migratepage has 4 args])
1336 AC_MSG_RESULT([yes])
1343 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1344 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1346 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
1347 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
1348 tmp_flags="$EXTRA_KCFLAGS"
1349 EXTRA_KCFLAGS="-Werror"
1350 LB_LINUX_TRY_COMPILE([
1351 #include <linux/fs.h>
1352 int show_options(struct seq_file *seq, struct dentry *root){
1356 struct super_operations ops;
1357 ops.show_options = show_options;
1359 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1360 [super_operations use dentry as parameter])
1361 AC_MSG_RESULT([yes])
1365 EXTRA_KCFLAGS="$tmp_flags"
1369 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1370 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1372 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
1373 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
1374 tmp_flags="$EXTRA_KCFLAGS"
1375 EXTRA_KCFLAGS="-Werror"
1376 LB_LINUX_TRY_COMPILE([
1377 #include <linux/fs.h>
1378 #include <linux/types.h>
1379 int my_mknod(struct inode *dir, struct dentry *dchild,
1380 umode_t mode, dev_t dev)
1385 struct inode_operations ops;
1386 ops.mknod = my_mknod;
1388 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1389 [inode_operations use umode_t as parameter])
1390 AC_MSG_RESULT([yes])
1394 EXTRA_KCFLAGS="$tmp_flags"
1397 # 3.4 kmap_atomic removes second argument
1398 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1400 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1401 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1402 LB_LINUX_TRY_COMPILE([
1403 #include <linux/highmem.h>
1407 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1408 [have kmap_atomic has only 1 argument])
1409 AC_MSG_RESULT([yes])
1416 # 3.4 switchs touch_atime to struct path
1417 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1419 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1420 [AC_MSG_CHECKING([if touch_atime use one argument])
1421 LB_LINUX_TRY_COMPILE([
1422 #include <linux/fs.h>
1424 touch_atime((struct path *)NULL);
1426 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1427 [touch_atime use one argument])
1428 AC_MSG_RESULT([yes])
1435 # 3.4 converts d_alloc_root to d_make_root
1436 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1438 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1439 [AC_MSG_CHECKING([if have d_make_root])
1440 LB_LINUX_TRY_COMPILE([
1441 #include <linux/fs.h>
1443 d_make_root((struct inode *)NULL);
1445 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1447 AC_MSG_RESULT([yes])
1454 # 3.5 renames end_writeback() back to clear_inode()...
1455 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1457 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1458 [AC_MSG_CHECKING([if have clear_inode])
1459 LB_LINUX_TRY_COMPILE([
1460 #include <linux/fs.h>
1462 clear_inode((struct inode *)NULL);
1464 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1466 AC_MSG_RESULT([yes])
1473 # 3.5 encode_fh has parent inode passed in directly
1474 # see kernel commit b0b0382b
1476 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1477 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1478 tmp_flags="$EXTRA_KCFLAGS"
1479 EXTRA_KCFLAGS="-Werror"
1480 LB_LINUX_TRY_COMPILE([
1481 #include <linux/exportfs.h>
1482 #include <linux/fs.h>
1483 #include <linux/types.h>
1484 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1489 struct export_operations exp_op;
1490 exp_op.encode_fh = ll_encode_fh;
1492 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1493 [have parent inode as parameter])
1494 AC_MSG_RESULT([yes])
1498 EXTRA_KCFLAGS="$tmp_flags"
1501 # 3.5 has generic_file_llseek_size with 5 args
1502 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1503 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1504 LB_LINUX_TRY_COMPILE([
1505 #include <linux/fs.h>
1507 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1509 AC_MSG_RESULT([yes])
1510 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1511 [kernel has generic_file_llseek_size with 5 args])
1518 # 3.6 switch i_dentry/d_alias from list to hlist
1520 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1521 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1522 tmp_flags="$EXTRA_KCFLAGS"
1523 EXTRA_KCFLAGS="-Werror"
1524 LB_LINUX_TRY_COMPILE([
1525 #include <linux/fs.h>
1526 #include <linux/list.h>
1529 struct dentry dentry;
1530 struct hlist_head head;
1531 struct hlist_node node;
1532 inode.i_dentry = head;
1533 dentry.d_alias = node;
1535 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1536 [have i_dentry/d_alias uses hlist])
1537 AC_MSG_RESULT([yes])
1541 EXTRA_KCFLAGS="$tmp_flags"
1545 # 3.6 dentry_open uses struct path as first argument
1546 # see kernel commit 765927b2
1548 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1549 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1550 tmp_flags="$EXTRA_KCFLAGS"
1551 EXTRA_KCFLAGS="-Werror"
1552 LB_LINUX_TRY_COMPILE([
1553 #include <linux/fs.h>
1554 #include <linux/path.h>
1557 dentry_open(&path, 0, NULL);
1559 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1560 [dentry_open uses struct path as first argument])
1561 AC_MSG_RESULT([yes])
1565 EXTRA_KCFLAGS="$tmp_flags"
1569 # 3.6 vfs adds iop->atomic_open
1571 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1572 [AC_MSG_CHECKING([if iop has atomic_open])
1573 LB_LINUX_TRY_COMPILE([
1574 #include <linux/fs.h>
1576 struct inode_operations iop;
1577 iop.atomic_open = NULL;
1579 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1580 [have iop atomic_open])
1581 AC_MSG_RESULT([yes])
1588 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1590 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1591 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1592 LB_LINUX_TRY_COMPILE([
1593 #include <linux/fs.h>
1594 #include <linux/posix_acl_xattr.h>
1596 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1598 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1599 [posix_acl_to_xattr takes struct user_namespace])
1600 AC_MSG_RESULT([yes])
1609 # Lustre linux kernel checks
1611 AC_DEFUN([LC_PROG_LINUX],
1615 LC_CONFIG_LIBLUSTRE_RECOVERY
1616 LC_CONFIG_HEALTH_CHECK_WRITE
1617 LC_CONFIG_LRU_RESIZE
1618 LC_LLITE_LLOOP_MODULE
1621 LC_EXPORT_TRUNCATE_COMPLETE
1622 LC_EXPORT_NODE_TO_CPUMASK
1633 #2.6.18 + RHEL5 (fc6)
1640 # raid5-zerocopy patch
1644 LC_INVALIDATE_BDEV_2ARG
1645 LC_FS_RENAME_DOES_D_MOVE
1648 LC_UNREGISTER_BLKDEV_RETURN_INT
1656 LC_FS_STRUCT_USE_PATH
1659 LC_SECURITY_PLUG # for SLES10 SP2
1660 LC_INODE_PERMISION_2ARGS
1665 # 2.6.27.15-2 sles11
1670 LC_EXPORT_CPUMASK_OF_NODE
1673 LC_BLK_QUEUE_MAX_SEGMENTS
1677 LC_HAVE_DQUOT_FS_DISK_QUOTA
1678 LC_HAVE_DQUOT_SUSPEND
1682 LC_EXPORT_SIMPLE_SETATTR
1686 LC_SBOPS_EVICT_INODE
1692 LC_BLKDEV_GET_BY_DEV
1693 LC_GENERIC_PERMISSION
1694 LC_QUOTA_ON_USE_PATH
1701 LC_REQUEST_QUEUE_UNPLUG_FN
1702 LC_HAVE_FSTYPE_MOUNT
1705 LC_DIRTY_INODE_WITH_FLAG
1708 LC_LM_XXX_LOCK_MANAGER_OPS
1714 LC_BLOCKS_FOR_TRUNCATE
1717 LC_HAVE_VOID_MAKE_REQUEST_FN
1718 LC_HAVE_PROTECT_I_NLINK
1721 LC_HAVE_MIGRATE_HEADER
1722 LC_MIGRATEPAGE_4ARGS
1723 LC_SUPEROPS_USE_DENTRY
1724 LC_INODEOPS_USE_UMODE_T
1729 LC_KMAP_ATOMIC_HAS_1ARG
1733 LC_HAVE_ENCODE_FH_PARENT
1734 LC_FILE_LLSEEK_SIZE_5ARG
1737 LC_HAVE_DENTRY_D_ALIAS_HLIST
1738 LC_DENTRY_OPEN_USE_PATH
1739 LC_HAVE_IOP_ATOMIC_OPEN
1742 LC_HAVE_POSIXACL_USER_NS
1744 if test x$enable_server = xyes ; then
1745 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1746 LC_FUNC_DEV_SET_RDONLY
1754 # LC_CONFIG_CLIENT_SERVER
1756 # Build client/server sides of Lustre
1758 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1759 [AC_MSG_CHECKING([whether to build Lustre server support])
1760 AC_ARG_ENABLE([server],
1761 AC_HELP_STRING([--disable-server],
1762 [disable Lustre server support]),
1763 [],[enable_server='yes'])
1764 AC_MSG_RESULT([$enable_server])
1766 AC_MSG_CHECKING([whether to build Lustre client support])
1767 AC_ARG_ENABLE([client],
1768 AC_HELP_STRING([--disable-client],
1769 [disable Lustre client support]),
1770 [],[enable_client='yes'])
1771 AC_MSG_RESULT([$enable_client])])
1774 # LC_CONFIG_LIBLUSTRE
1776 # whether to build liblustre
1778 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1779 [AC_MSG_CHECKING([whether to build Lustre library])
1780 AC_ARG_ENABLE([liblustre],
1781 AC_HELP_STRING([--disable-liblustre],
1782 [disable building of Lustre library]),
1783 [],[enable_liblustre=$with_sysio])
1784 AC_MSG_RESULT([$enable_liblustre])
1785 # only build sysio if liblustre is built
1786 with_sysio="$enable_liblustre"
1788 AC_MSG_CHECKING([whether to build liblustre tests])
1789 AC_ARG_ENABLE([liblustre-tests],
1790 AC_HELP_STRING([--enable-liblustre-tests],
1791 [enable liblustre tests, if --disable-tests is used]),
1792 [],[enable_liblustre_tests=$enable_tests])
1793 if test x$enable_liblustre != xyes ; then
1794 enable_liblustre_tests='no'
1796 AC_MSG_RESULT([$enable_liblustre_tests])
1798 AC_MSG_CHECKING([whether to enable liblustre acl])
1799 AC_ARG_ENABLE([liblustre-acl],
1800 AC_HELP_STRING([--disable-liblustre-acl],
1801 [disable ACL support for liblustre]),
1802 [],[enable_liblustre_acl=yes])
1803 AC_MSG_RESULT([$enable_liblustre_acl])
1804 if test x$enable_liblustre_acl = xyes ; then
1805 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1808 # 2.6.29 blkdev_put has 2 arguments
1809 AC_DEFUN([LC_BLKDEV_PUT_2ARGS],
1810 [AC_MSG_CHECKING([blkdev_put needs 2 parameters])
1811 LB_LINUX_TRY_COMPILE([
1812 #include <linux/fs.h>
1814 blkdev_put(NULL, 0);
1816 AC_DEFINE(HAVE_BLKDEV_PUT_2ARGS, 1,
1817 [blkdev_put needs 2 paramters])
1818 AC_MSG_RESULT([yes])
1827 AC_ARG_ENABLE(mpitests,
1828 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1829 [include mpi tests]),
1840 MPICC_WRAPPER=$enableval
1850 if test x$enable_mpitests != xno; then
1851 AC_MSG_CHECKING([whether mpitests can be built])
1859 MPI_Initialized(&flag);
1862 AC_MSG_RESULT([yes])
1869 AC_SUBST(MPICC_WRAPPER)
1871 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1872 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1875 LC_CONFIG_LIBLUSTRE_RECOVERY
1881 # whether to enable quota support global control
1883 AC_DEFUN([LC_CONFIG_QUOTA],
1884 [AC_ARG_ENABLE([quota],
1885 AC_HELP_STRING([--enable-quota],
1886 [enable quota support]),
1887 [],[enable_quota='yes'])
1890 AC_DEFUN([LC_QUOTA],
1894 AC_CHECK_HEADER(sys/quota.h,
1895 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1896 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1902 # whether to enable split support
1904 AC_DEFUN([LC_CONFIG_SPLIT],
1905 [AC_MSG_CHECKING([whether to enable split support])
1906 AC_ARG_ENABLE([split],
1907 AC_HELP_STRING([--enable-split],
1908 [enable split support]),
1909 [],[enable_split='no'])
1910 AC_MSG_RESULT([$enable_split])
1911 if test x$enable_split != xno; then
1912 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1917 # LC_LLITE_LLOOP_MODULE
1918 # lloop_llite.ko does not currently work with page sizes
1921 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1922 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1923 LB_LINUX_TRY_COMPILE([
1924 #include <asm/page.h>
1926 #if PAGE_SIZE >= 65536
1927 #error "PAGE_SIZE >= 65536"
1930 enable_llite_lloop_module='yes'
1931 AC_MSG_RESULT([yes])
1933 enable_llite_lloop_module='no'
1941 # configure support for optional OSD implementation
1943 AC_DEFUN([LC_OSD_ADDON],
1944 [AC_MSG_CHECKING([for osd])
1946 AC_HELP_STRING([--with-osd=path],
1947 [set path to optional osd]),
1950 no) ENABLEOSDADDON=0
1952 *) OSDADDON="${with_osd}"
1959 if test $ENABLEOSDADDON -eq 0; then
1963 OSDMODNAME=`basename $OSDADDON`
1964 if test -e $LUSTRE/$OSDMODNAME; then
1965 AC_MSG_RESULT([can't link])
1967 elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1968 AC_MSG_RESULT([$OSDMODNAME])
1969 OSDADDON="subdir-m += $OSDMODNAME"
1971 AC_MSG_RESULT([can't link])
1981 # other configure checks
1983 AC_DEFUN([LC_CONFIGURE],
1984 [LC_CONFIG_OBD_BUFFER_SIZE
1986 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1987 CFLAGS="$CFLAGS -Werror"
1990 # maximum MDS thread count
1993 # include/liblustre.h
1994 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1996 # liblustre/llite_lib.h
1997 AC_CHECK_HEADERS([xtio.h file.h])
2000 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
2003 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
2004 AC_CHECK_FUNCS([inet_ntoa])
2006 # libsysio/src/readlink.c
2009 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
2010 AC_CHECK_HEADERS([linux/random.h], [], [],
2011 [#ifdef HAVE_LINUX_TYPES_H
2012 # include <linux/types.h>
2017 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2019 # check for -lz support
2023 [AC_CHECK_HEADERS([zlib.h],
2025 AC_DEFINE([HAVE_ADLER], 1,
2026 [support alder32 checksum type])],
2027 [AC_MSG_WARN([No zlib-devel package found,
2028 unable to use adler32 checksum])])],
2029 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
2034 AC_CHECK_LIB([selinux],
2035 [is_selinux_enabled],
2036 [AC_CHECK_HEADERS([selinux.h],
2037 [SELINUX="-lselinux"
2038 AC_DEFINE([HAVE_SELINUX], 1,
2039 [support for selinux ])],
2040 [AC_MSG_WARN([No selinux-devel package found,
2041 unable to build selinux enabled
2043 [AC_MSG_WARN([No selinux package found, unable to build selinux
2049 AC_ARG_ENABLE([mindf],
2050 AC_HELP_STRING([--enable-mindf],
2051 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2053 if test "$enable_mindf" = "yes" ; then
2054 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
2057 AC_ARG_ENABLE([fail_alloc],
2058 AC_HELP_STRING([--disable-fail-alloc],
2059 [disable randomly alloc failure]),
2060 [],[enable_fail_alloc=yes])
2061 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2062 AC_MSG_RESULT([$enable_fail_alloc])
2063 if test x$enable_fail_alloc != xno ; then
2064 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
2067 AC_ARG_ENABLE([invariants],
2068 AC_HELP_STRING([--enable-invariants],
2069 [enable invariant checking (cpu intensive)]),
2071 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2072 AC_MSG_RESULT([$enable_invariants])
2073 if test x$enable_invariants = xyes ; then
2074 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
2077 AC_ARG_ENABLE([lu_ref],
2078 AC_HELP_STRING([--enable-lu_ref],
2079 [enable lu_ref reference tracking code]),
2081 AC_MSG_CHECKING([whether to track references with lu_ref])
2082 AC_MSG_RESULT([$enable_lu_ref])
2083 if test x$enable_lu_ref = xyes ; then
2084 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
2087 AC_ARG_ENABLE([pgstate-track],
2088 AC_HELP_STRING([--enable-pgstate-track],
2089 [enable page state tracking]),
2090 [enable_pgstat_track='yes'],[])
2091 AC_MSG_CHECKING([whether to enable page state tracking])
2092 AC_MSG_RESULT([$enable_pgstat_track])
2093 if test x$enable_pgstat_track = xyes ; then
2094 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2095 [enable page state tracking code])
2106 # AM_CONDITIONALS for lustre
2108 AC_DEFUN([LC_CONDITIONALS],
2109 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
2110 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
2111 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
2112 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2113 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2114 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2115 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2116 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2117 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2118 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2119 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2120 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2121 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2122 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
2128 # files that should be generated with AC_OUTPUT
2130 AC_DEFUN([LC_CONFIG_FILES],
2134 lustre/autoconf/Makefile
2135 lustre/conf/Makefile
2136 lustre/contrib/Makefile
2138 lustre/include/Makefile
2139 lustre/include/lustre_ver.h
2140 lustre/include/linux/Makefile
2141 lustre/include/darwin/Makefile
2142 lustre/include/lustre/Makefile
2143 lustre/kernel_patches/targets/2.6-rhel6.target
2144 lustre/kernel_patches/targets/2.6-rhel5.target
2145 lustre/kernel_patches/targets/2.6-sles11.target
2146 lustre/kernel_patches/targets/3.0-sles11.target
2147 lustre/kernel_patches/targets/2.6-fc11.target
2148 lustre/kernel_patches/targets/2.6-fc12.target
2149 lustre/kernel_patches/targets/2.6-fc15.target
2150 lustre/kernel_patches/targets/3.x-fc18.target
2151 lustre/ldlm/Makefile
2153 lustre/fid/autoMakefile
2154 lustre/liblustre/Makefile
2155 lustre/liblustre/tests/Makefile
2156 lustre/liblustre/tests/mpi/Makefile
2157 lustre/llite/Makefile
2158 lustre/llite/autoMakefile
2159 lustre/lclient/Makefile
2161 lustre/lov/autoMakefile
2162 lustre/lvfs/Makefile
2163 lustre/lvfs/autoMakefile
2165 lustre/mdc/autoMakefile
2167 lustre/lmv/autoMakefile
2168 lustre/lfsck/Makefile
2169 lustre/lfsck/autoMakefile
2171 lustre/mdt/autoMakefile
2173 lustre/mdd/autoMakefile
2175 lustre/fld/autoMakefile
2176 lustre/obdclass/Makefile
2177 lustre/obdclass/autoMakefile
2178 lustre/obdclass/linux/Makefile
2179 lustre/obdecho/Makefile
2180 lustre/obdecho/autoMakefile
2182 lustre/ofd/autoMakefile
2184 lustre/osc/autoMakefile
2186 lustre/ost/autoMakefile
2187 lustre/osd-ldiskfs/Makefile
2188 lustre/osd-ldiskfs/autoMakefile
2189 lustre/osd-zfs/Makefile
2190 lustre/osd-zfs/autoMakefile
2192 lustre/mgc/autoMakefile
2194 lustre/mgs/autoMakefile
2195 lustre/target/Makefile
2196 lustre/ptlrpc/Makefile
2197 lustre/ptlrpc/autoMakefile
2198 lustre/ptlrpc/gss/Makefile
2199 lustre/ptlrpc/gss/autoMakefile
2200 lustre/quota/Makefile
2201 lustre/quota/autoMakefile
2202 lustre/scripts/Makefile
2203 lustre/tests/Makefile
2204 lustre/tests/mpi/Makefile
2205 lustre/utils/Makefile
2206 lustre/utils/gss/Makefile
2208 lustre/osp/autoMakefile
2210 lustre/lod/autoMakefile
2211 lustre/obdclass/darwin/Makefile