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$enable_lru_resize != xno; then
206 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
211 # Quota support. The kernel must support CONFIG_QUOTA.
213 AC_DEFUN([LC_QUOTA_CONFIG],
214 [LB_LINUX_CONFIG_IM([QUOTA],[],[
215 AC_MSG_ERROR([Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.])
219 # truncate_complete_page() was exported from RHEL5/SLES10, but not in SLES11 SP0 (2.6.27)
220 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
221 # delete_from_page_cache() is exported from 2.6.39
222 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
223 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
225 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
226 [kernel export truncate_complete_page])])
227 LB_CHECK_SYMBOL_EXPORT([remove_from_page_cache],
229 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
230 [kernel export remove_from_page_cache])])
231 LB_CHECK_SYMBOL_EXPORT([delete_from_page_cache],
233 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
234 [kernel export delete_from_page_cache])])
240 AC_DEFUN([LC_BIT_SPINLOCK_H],
241 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
242 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
243 LB_LINUX_TRY_COMPILE([
244 #include <asm/processor.h>
245 #include <linux/spinlock.h>
246 #include <linux/bit_spinlock.h>
249 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
260 AC_DEFUN([LC_CAPA_CRYPTO],
261 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
262 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
264 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
265 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
267 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
268 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
273 # LC_CONFIG_RMTCLIENT
276 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
278 AC_DEFUN([LC_CONFIG_RMTCLIENT],
279 [LB_LINUX_CONFIG_IM([CRYPTO_AES],[],[
280 AC_MSG_WARN([Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.])
285 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
287 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
288 [AC_MSG_CHECKING([whether to enable gss keyring backend])
289 AC_ARG_ENABLE([gss_keyring],
290 [AC_HELP_STRING([--disable-gss-keyring],
291 [disable gss keyring backend])],
292 [],[enable_gss_keyring='yes'])
293 AC_MSG_RESULT([$enable_gss_keyring])
295 if test x$enable_gss_keyring != xno; then
296 LB_LINUX_CONFIG_IM([KEYS],[],
297 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
299 AC_CHECK_LIB([keyutils], [keyctl_search], [],
300 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
302 AC_DEFINE([HAVE_GSS_KEYRING], [1],
303 [Define this if you enable gss keyring backend])
307 AC_DEFUN([LC_CONFIG_SUNRPC],
308 [LB_LINUX_CONFIG_IM([SUNRPC],[],
309 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
313 # LC_CONFIG_GSS (default disabled)
315 # Build gss and related tools of Lustre. Currently both kernel and user space
316 # parts are depend on linux platform.
318 AC_DEFUN([LC_CONFIG_GSS],
319 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
321 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
322 [],[enable_gss='no'])
323 AC_MSG_RESULT([$enable_gss])
325 if test x$enable_gss == xyes; then
326 LC_CONFIG_GSS_KEYRING
329 AC_DEFINE([HAVE_GSS], [1], [Define this if you enable gss])
331 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
332 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
333 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
334 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
335 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
336 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
337 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
338 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
340 AC_CHECK_LIB([gssapi], [gss_export_lucid_sec_context],
341 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
342 [AC_CHECK_LIB([gssglue], [gss_export_lucid_sec_context],
343 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
344 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
346 AC_SUBST(GSSAPI_LIBS)
354 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
355 # yet tree_lock is converted from rwlock to spin_lock since v2.6.26
356 AC_DEFUN([LC_RW_TREE_LOCK],
357 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
358 tmp_flags="$EXTRA_KCFLAGS"
359 EXTRA_KCFLAGS="-Werror"
360 LB_LINUX_TRY_COMPILE([
361 #include <linux/fs.h>
363 struct address_space a;
365 write_lock(&a.tree_lock);
368 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
372 EXTRA_KCFLAGS="$tmp_flags"
375 #2.6.18 + RHEL5 (fc6)
380 # fiemap.h is added since v2.6.28
381 # RHEL5 2.6.18 has it, while SLES10 2.6.27 does not
383 AC_DEFUN([LC_LINUX_FIEMAP_H],
384 [LB_CHECK_FILE([$LINUX/include/linux/fiemap.h],[
385 AC_MSG_CHECKING([if fiemap.h can be compiled])
386 LB_LINUX_TRY_COMPILE([
387 #include <linux/types.h>
388 #include <linux/fiemap.h>
391 AC_DEFINE(HAVE_LINUX_FIEMAP_H, 1, [Kernel has fiemap.h])
399 # raid5-zerocopy patch
404 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
405 # it support constant page, which means the page won't be modified during the
408 AC_DEFUN([LC_PAGE_CONSTANT],
409 [AC_MSG_CHECKING([if kernel have PageConstant defined])
410 LB_LINUX_TRY_COMPILE([
411 #include <linux/mm.h>
412 #include <linux/page-flags.h>
415 #error "Have no raid5 zcopy patch"
419 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
428 # 2.6.19 check for FS_RENAME_DOES_D_MOVE flag
430 AC_DEFUN([LC_FS_RENAME_DOES_D_MOVE],
431 [AC_MSG_CHECKING([if kernel has FS_RENAME_DOES_D_MOVE flag])
432 LB_LINUX_TRY_COMPILE([
433 #include <linux/fs.h>
435 int v __attribute__ ((unused));
436 v = FS_RENAME_DOES_D_MOVE;
439 AC_DEFINE(HAVE_FS_RENAME_DOES_D_MOVE, 1, [kernel has FS_RENAME_DOES_D_MOVE flag])
447 # 2.6.24 has bio_endio with 2 args
448 AC_DEFUN([LC_BIO_ENDIO_2ARG],
449 [AC_MSG_CHECKING([if kernel has bio_endio with 2 args])
450 LB_LINUX_TRY_COMPILE([
451 #include <linux/bio.h>
456 AC_DEFINE(HAVE_BIO_ENDIO_2ARG, 1,
457 [kernel has bio_endio with 2 args])
463 # 2.6.24 removes long aged procfs entry -> deleted member
464 AC_DEFUN([LC_PROCFS_DELETED],
465 [AC_MSG_CHECKING([if kernel has deleted member in procfs entry struct])
466 LB_LINUX_TRY_COMPILE([
467 #include <linux/proc_fs.h>
469 struct proc_dir_entry pde;
471 pde.deleted = sizeof(pde);
474 AC_DEFINE(HAVE_PROCFS_DELETED, 1,
475 [kernel has deleted member in procfs entry struct])
483 # 2.6.26 isn't export set_fs_pwd and change paramter in fs struct
484 AC_DEFUN([LC_FS_STRUCT_USE_PATH],
485 [AC_MSG_CHECKING([fs_struct use path structure])
486 LB_LINUX_TRY_COMPILE([
487 #include <asm/atomic.h>
488 #include <linux/spinlock.h>
489 #include <linux/fs_struct.h>
493 fs.pwd = *((struct path *)sizeof(fs));
496 AC_DEFINE(HAVE_FS_STRUCT_USE_PATH, 1,
497 [fs_struct use path structure])
507 # LC_SECURITY_PLUG # for SLES10 SP2 (2.6.27)
508 # check security plug in sles10 sp2 kernel
509 AC_DEFUN([LC_SECURITY_PLUG],
510 [AC_MSG_CHECKING([If kernel has security plug support])
511 LB_LINUX_TRY_COMPILE([
512 #include <linux/fs.h>
513 #include <linux/stddef.h>
515 notify_change(NULL, NULL, NULL);
518 AC_DEFINE(HAVE_SECURITY_PLUG, 1,
519 [SLES10 SP2 use extra parameter in vfs])
525 AC_DEFUN([LC_INODE_PERMISION_2ARGS],
526 [AC_MSG_CHECKING([inode_operations->permission has two args])
527 LB_LINUX_TRY_COMPILE([
528 #include <linux/fs.h>
530 struct inode *inode __attribute__ ((unused));
533 inode->i_op->permission(NULL, 0);
535 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
536 [inode_operations->permission has two args])
543 # 2.6.27 use 5th parameter in quota_on for remount.
544 AC_DEFUN([LC_QUOTA_ON_5ARGS],
545 [AC_MSG_CHECKING([quota_on needs 5 parameters])
546 LB_LINUX_TRY_COMPILE([
547 #include <linux/fs.h>
548 #include <linux/quota.h>
550 struct quotactl_ops *qop = NULL;
551 qop->quota_on(NULL, 0, 0, NULL, 0);
553 AC_DEFINE(HAVE_QUOTA_ON_5ARGS, 1,
554 [quota_on needs 5 paramters])
561 # 2.6.27 use 3th parameter in quota_off for remount.
562 AC_DEFUN([LC_QUOTA_OFF_3ARGS],
563 [AC_MSG_CHECKING([quota_off needs 3 parameters])
564 LB_LINUX_TRY_COMPILE([
565 #include <linux/fs.h>
566 #include <linux/quota.h>
568 struct quotactl_ops *qop = NULL;
569 qop->quota_off(NULL, 0, 0);
571 AC_DEFINE(HAVE_QUOTA_OFF_3ARGS, 1,
572 [quota_off needs 3 paramters])
579 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
580 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA],
581 tmp_flags="$EXTRA_KCFLAGS"
582 EXTRA_KCFLAGS="-Werror"
583 [AC_MSG_CHECKING([if quotactl_ops.set_dqblk takes struct fs_disk_quota])
584 LB_LINUX_TRY_COMPILE([
585 #include <linux/fs.h>
586 #include <linux/quota.h>
588 struct quotactl_ops qops = {};
589 struct fs_disk_quota fdq;
590 qops.set_dqblk(NULL, 0, 0, &fdq);
592 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1, [quotactl_ops.set_dqblk takes struct fs_disk_quota])
597 EXTRA_KCFLAGS="$tmp_flags"
600 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
601 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND],
602 [AC_MSG_CHECKING([if dquot_suspend is defined])
603 LB_LINUX_TRY_COMPILE([
604 #include <linux/quotaops.h>
606 dquot_suspend(NULL, -1);
608 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
617 # 2.6.27 sles11 remove the bi_hw_segments
618 AC_DEFUN([LC_BI_HW_SEGMENTS],
619 [AC_MSG_CHECKING([struct bio has a bi_hw_segments field])
620 LB_LINUX_TRY_COMPILE([
621 #include <linux/bio.h>
624 io.bi_hw_segments = sizeof(io);
626 AC_DEFINE(HAVE_BI_HW_SEGMENTS, 1,
627 [struct bio has a bi_hw_segments field])
635 # 2.6.27 sles11 move the quotaio_v1{2}.h from include/linux to fs
636 # 2.6.32 move the quotaio_v1{2}.h from fs to fs/quota
637 AC_DEFUN([LC_HAVE_QUOTAIO_H],
638 [LB_CHECK_FILE([$LINUX/include/linux/quotaio_v2.h],[
639 AC_DEFINE(HAVE_QUOTAIO_H, 1,
640 [kernel has include/linux/quotaio_v2.h])
641 ],[LB_CHECK_FILE([$LINUX/fs/quotaio_v2.h],[
642 AC_DEFINE(HAVE_FS_QUOTAIO_H, 1,
643 [kernel has fs/quotaio_v1.h])
644 ],[LB_CHECK_FILE([$LINUX/fs/quota/quotaio_v2.h],[
645 AC_DEFINE(HAVE_FS_QUOTA_QUOTAIO_H, 1,
646 [kernel has fs/quota/quotaio_v2.h])
656 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
657 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS],
658 [AC_MSG_CHECKING([if blk_queue_max_segments is defined])
659 LB_LINUX_TRY_COMPILE([
660 #include <linux/blkdev.h>
662 blk_queue_max_segments(NULL, 0);
665 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
666 [blk_queue_max_segments is defined])
675 # Check if kernel has been patched for 64-bit quota limits support.
676 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
677 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
678 # that in the absence of quotaio_v1.h in the kernel headers.
680 AC_DEFUN([LC_QUOTA64],[
681 AC_MSG_CHECKING([if kernel has 64-bit quota limits support])
682 tmp_flags="$EXTRA_KCFLAGS"
683 EXTRA_KCFLAGS="-I$LINUX/fs"
684 LB_LINUX_TRY_COMPILE([
685 #include <linux/kernel.h>
686 #include <linux/fs.h>
687 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
688 # include <quota/quotaio_v2.h>
689 struct v2r1_disk_dqblk dqblk_r1;
691 #include <linux/quota.h>
692 int ver = QFMT_VFS_V1;
695 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
698 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
699 AC_MSG_ERROR([You have got no 64-bit kernel quota support.])
703 EXTRA_KCFLAGS=$tmp_flags
707 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
709 AC_DEFUN([LC_FS_STRUCT_RWLOCK],
710 [AC_MSG_CHECKING([if fs_struct.lock use rwlock])
711 LB_LINUX_TRY_COMPILE([
712 #include <asm/atomic.h>
713 #include <linux/spinlock.h>
714 #include <linux/fs_struct.h>
716 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
718 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1,
719 [fs_struct.lock use rwlock])
727 # 2.6.36 super_operations add evict_inode method. it hybird of
728 # delete_inode & clear_inode.
730 AC_DEFUN([LC_SBOPS_EVICT_INODE],
731 [AC_MSG_CHECKING([if super_operations.evict_inode exist])
732 LB_LINUX_TRY_COMPILE([
733 #include <linux/fs.h>
735 ((struct super_operations *)0)->evict_inode(NULL);
737 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
738 [super_operations.evict_inode() is exist in kernel])
746 # 2.6.35 file_operations.fsync taken 2 arguments.
747 # 3.0.0 file_operations.fsync takes 4 arguments.
749 AC_DEFUN([LC_FILE_FSYNC],
750 [AC_MSG_CHECKING([if file_operations.fsync takes 4 or 2 arguments])
751 LB_LINUX_TRY_COMPILE([
752 #include <linux/fs.h>
754 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
756 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
757 [file_operations.fsync takes 4 arguments])
758 AC_MSG_RESULT([yes, 4 args])
760 LB_LINUX_TRY_COMPILE([
761 #include <linux/fs.h>
763 ((struct file_operations *)0)->fsync(NULL, 0);
765 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
766 [file_operations.fsync takes 2 arguments])
767 AC_MSG_RESULT([yes, 2 args])
775 # 2.6.37 remove kernel_locked
777 AC_DEFUN([LC_KERNEL_LOCKED],
778 [AC_MSG_CHECKING([if kernel_locked is defined])
779 LB_LINUX_TRY_COMPILE([
780 #include <linux/smp_lock.h>
785 AC_DEFINE(HAVE_KERNEL_LOCKED, 1,
786 [kernel_locked is defined])
793 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
795 AC_DEFUN([LC_D_COMPARE_7ARGS],
796 [AC_MSG_CHECKING([if d_compare taken 7 arguments])
797 LB_LINUX_TRY_COMPILE([
798 #include <linux/dcache.h>
800 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
802 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1,
803 [d_compare need 7 arguments])
811 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
813 AC_DEFUN([LC_D_DELETE_CONST],
814 [AC_MSG_CHECKING([if d_delete has const declare on first parameter])
815 tmp_flags="$EXTRA_KCFLAGS"
816 EXTRA_KCFLAGS="-Werror"
817 LB_LINUX_TRY_COMPILE([
818 #include <linux/dcache.h>
820 const struct dentry *d = NULL;
821 ((struct dentry_operations*)0)->d_delete(d);
823 AC_DEFINE(HAVE_D_DELETE_CONST, const,
824 [d_delete first parameter declared const])
827 AC_DEFINE(HAVE_D_DELETE_CONST, , [])
830 EXTRA_KCFLAGS="$tmp_flags"
834 # 2.6.38 dcache_lock removed. rcu-walk commited.
836 AC_DEFUN([LC_DCACHE_LOCK],
837 [AC_MSG_CHECKING([if dcache_lock is exist])
838 LB_LINUX_TRY_COMPILE([
839 #include <linux/dcache.h>
841 spin_lock(&dcache_lock);
843 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
844 [dcache_lock is exist])
852 # 2.6.38 inode.i_rcu added.
854 AC_DEFUN([LC_INODE_I_RCU],
855 [AC_MSG_CHECKING([if inode.i_rcu exists])
856 LB_LINUX_TRY_COMPILE([
857 #include <linux/fs.h>
860 struct rcu_head rcu = {};
863 AC_DEFINE(HAVE_INODE_I_RCU, 1,
864 [inode.i_rcu exists])
872 # 2.6.38 export blkdev_get_by_dev
874 AC_DEFUN([LC_BLKDEV_GET_BY_DEV],
875 [LB_CHECK_SYMBOL_EXPORT([blkdev_get_by_dev],
877 AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
878 [blkdev_get_by_dev is exported by the kernel])
884 # 2.6.38 use path as 4th parameter in quota_on.
886 AC_DEFUN([LC_QUOTA_ON_USE_PATH],
887 [AC_MSG_CHECKING([quota_on use path as parameter])
888 tmp_flags="$EXTRA_KCFLAGS"
889 EXTRA_KCFLAGS="-Werror"
890 LB_LINUX_TRY_COMPILE([
891 #include <linux/fs.h>
892 #include <linux/quota.h>
894 ((struct quotactl_ops *)0)->quota_on(NULL, 0, 0, ((struct path*)0));
896 AC_DEFINE(HAVE_QUOTA_ON_USE_PATH, 1,
897 [quota_on use path as 4th paramter])
902 EXTRA_KCFLAGS="$tmp_flags"
906 # 2.6.38 export simple_setattr
908 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR],
909 [LB_CHECK_SYMBOL_EXPORT([simple_setattr],
911 AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
912 [simple_setattr is exported by the kernel])
918 # 2.6.39 remove unplug_fn from request_queue.
920 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN],
921 [AC_MSG_CHECKING([if request_queue has unplug_fn field])
922 LB_LINUX_TRY_COMPILE([
923 #include <linux/blkdev.h>
925 do{ }while(sizeof(((struct request_queue *)0)->unplug_fn));
927 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
928 [request_queue has unplug_fn field])
936 # 2.6.39 replace get_sb with mount in struct file_system_type
938 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
939 [AC_MSG_CHECKING([if file_system_type has mount field])
940 LB_LINUX_TRY_COMPILE([
941 #include <linux/fs.h>
943 struct file_system_type fst;
944 void *i = (void *) fst.mount;
946 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
947 [struct file_system_type has mount field])
955 # 3.0 dirty_inode() has a flag parameter
956 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
958 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG],
959 [AC_MSG_CHECKING([if dirty_inode super_operation takes flag])
960 LB_LINUX_TRY_COMPILE([
961 #include <linux/fs.h>
964 inode->i_sb->s_op->dirty_inode(NULL, 0);
966 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
967 [dirty_inode super_operation takes flag])
975 # 2.6.38 generic_permission taken 4 parameters.
976 # in fact, it means rcu-walk aware permission bring.
978 # 3.1 generic_permission taken 2 parameters.
979 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
981 AC_DEFUN([LC_GENERIC_PERMISSION],
982 [AC_MSG_CHECKING([if generic_permission take 2 or 4 arguments])
983 LB_LINUX_TRY_COMPILE([
984 #include <linux/fs.h>
986 generic_permission(NULL, 0);
988 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
989 [generic_permission taken 2 arguments])
990 AC_MSG_RESULT([yes, 2 args])
992 LB_LINUX_TRY_COMPILE([
993 #include <linux/fs.h>
995 generic_permission(NULL, 0, 0, NULL);
997 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
998 [generic_permission taken 4 arguments])
999 AC_MSG_RESULT([yes, 4 args])
1007 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
1008 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
1010 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS],
1011 [AC_MSG_CHECKING([if lock-manager ops renamed to lm_xxx])
1012 LB_LINUX_TRY_COMPILE([
1013 #include <linux/fs.h>
1015 struct lock_manager_operations lm_ops;
1016 lm_ops.lm_compare_owner = NULL;
1018 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
1019 [lock-manager ops renamed to lm_xxx])
1020 AC_MSG_RESULT([yes])
1027 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait/
1028 # inode_dio_done instead.
1029 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
1031 AC_DEFUN([LC_INODE_DIO_WAIT],
1032 [AC_MSG_CHECKING([if inode->i_alloc_sem is killed and use inode_dio_wait/done.])
1033 LB_LINUX_TRY_COMPILE([
1034 #include <linux/fs.h>
1036 inode_dio_wait((struct inode *)0);
1037 inode_dio_done((struct inode *)0);
1039 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
1040 [inode->i_alloc_sem is killed and use inode_dio_wait/done])
1041 AC_MSG_RESULT([yes])
1048 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
1049 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
1051 AC_DEFUN([LC_IOP_GET_ACL],
1052 [AC_MSG_CHECKING([inode_operations has .get_acl member function])
1053 LB_LINUX_TRY_COMPILE([
1054 #include <linux/fs.h>
1056 struct inode_operations iop;
1059 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
1060 [inode_operations has .get_acl member function])
1061 AC_MSG_RESULT([yes])
1068 # 3.1.1 has ext4_blocks_for_truncate
1070 AC_DEFUN([LC_BLOCKS_FOR_TRUNCATE],
1071 [AC_MSG_CHECKING([if kernel has ext4_blocks_for_truncate])
1072 LB_LINUX_TRY_COMPILE([
1073 #include <linux/fs.h>
1074 #include "$LINUX/fs/ext4/ext4_jbd2.h"
1075 #include "$LINUX/fs/ext4/truncate.h"
1077 ext4_blocks_for_truncate(NULL);
1079 AC_MSG_RESULT([yes])
1080 AC_DEFINE(HAVE_BLOCKS_FOR_TRUNCATE, 1,
1081 [kernel has ext4_blocks_for_truncate])
1088 # 3.1 introduced generic_file_llseek_size()
1090 AC_DEFUN([LC_FILE_LLSEEK_SIZE],
1091 [LB_CHECK_SYMBOL_EXPORT([generic_file_llseek_size],
1093 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
1094 [generic_file_llseek_size is exported by the kernel])])
1098 # 3.2 request_queue.make_request_fn defined as function returns with void
1099 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
1101 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN],
1102 [AC_MSG_CHECKING([if request_queue.make_request_fn returns void but not int])
1103 LB_LINUX_TRY_COMPILE([
1104 #include <linux/blkdev.h>
1107 make_request_fn *mrf;
1108 ret = mrf(NULL, NULL);
1112 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
1113 [request_queue.make_request_fn returns void but not int])
1114 AC_MSG_RESULT([yes])
1119 # 3.2 protects inode->i_nlink from direct modification
1120 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
1121 # at the same time adds set_nlink(), so checks set_nlink() for it.
1123 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK],
1124 [AC_MSG_CHECKING([if inode->i_nlink is protected from direct modification])
1125 LB_LINUX_TRY_COMPILE([
1126 #include <linux/fs.h>
1131 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
1132 [inode->i_nlink is protected from direct modification])
1133 AC_MSG_RESULT([yes])
1140 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1142 AC_DEFUN([LC_HAVE_MIGRATE_HEADER],
1143 [LB_CHECK_FILE([$LINUX/include/linux/migrate.h],[
1144 AC_DEFINE(HAVE_MIGRATE_H, 1,
1145 [kernel has include/linux/migrate.h])
1146 ],[LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h],[
1147 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1148 [kernel has include/linux/migrate_mode.h])
1155 AC_DEFUN([LC_MIGRATEPAGE_4ARGS],
1156 [AC_MSG_CHECKING([if address_space_operations.migratepage has 4 args])
1157 LB_LINUX_TRY_COMPILE([
1158 #include <linux/fs.h>
1159 #ifdef HAVE_MIGRATE_H
1160 #include <linux/migrate.h>
1161 #elif defined(HAVE_MIGRATE_MODE_H)
1162 #include <linux/migrate_mode.h>
1165 struct address_space_operations aops;
1167 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1169 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1170 [address_space_operations.migratepage has 4 args])
1171 AC_MSG_RESULT([yes])
1178 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1179 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1181 AC_DEFUN([LC_SUPEROPS_USE_DENTRY],
1182 [AC_MSG_CHECKING([if super_operations use dentry as parameter])
1183 tmp_flags="$EXTRA_KCFLAGS"
1184 EXTRA_KCFLAGS="-Werror"
1185 LB_LINUX_TRY_COMPILE([
1186 #include <linux/fs.h>
1187 int show_options(struct seq_file *seq, struct dentry *root){
1191 struct super_operations ops;
1192 ops.show_options = show_options;
1194 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1195 [super_operations use dentry as parameter])
1196 AC_MSG_RESULT([yes])
1200 EXTRA_KCFLAGS="$tmp_flags"
1204 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1205 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1207 AC_DEFUN([LC_INODEOPS_USE_UMODE_T],
1208 [AC_MSG_CHECKING([if inode_operations use umode_t as parameter])
1209 tmp_flags="$EXTRA_KCFLAGS"
1210 EXTRA_KCFLAGS="-Werror"
1211 LB_LINUX_TRY_COMPILE([
1212 #include <linux/fs.h>
1213 #include <linux/types.h>
1214 int my_mknod(struct inode *dir, struct dentry *dchild,
1215 umode_t mode, dev_t dev)
1220 struct inode_operations ops;
1221 ops.mknod = my_mknod;
1223 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1224 [inode_operations use umode_t as parameter])
1225 AC_MSG_RESULT([yes])
1229 EXTRA_KCFLAGS="$tmp_flags"
1232 # 3.4 kmap_atomic removes second argument
1233 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1235 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG],
1236 [AC_MSG_CHECKING([if kmap_atomic has only 1 argument])
1237 LB_LINUX_TRY_COMPILE([
1238 #include <linux/highmem.h>
1242 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1243 [have kmap_atomic has only 1 argument])
1244 AC_MSG_RESULT([yes])
1251 # 3.4 switchs touch_atime to struct path
1252 # see kernel commit 68ac1234fb949b66941d94dce4157742799fc581
1254 AC_DEFUN([LC_TOUCH_ATIME_1ARG],
1255 [AC_MSG_CHECKING([if touch_atime use one argument])
1256 LB_LINUX_TRY_COMPILE([
1257 #include <linux/fs.h>
1259 touch_atime((struct path *)NULL);
1261 AC_DEFINE(HAVE_TOUCH_ATIME_1ARG, 1,
1262 [touch_atime use one argument])
1263 AC_MSG_RESULT([yes])
1270 # 3.4 converts d_alloc_root to d_make_root
1271 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1273 AC_DEFUN([LC_HAVE_D_MAKE_ROOT],
1274 [AC_MSG_CHECKING([if have d_make_root])
1275 LB_LINUX_TRY_COMPILE([
1276 #include <linux/fs.h>
1278 d_make_root((struct inode *)NULL);
1280 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1282 AC_MSG_RESULT([yes])
1289 # 3.5 renames end_writeback() back to clear_inode()...
1290 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1292 AC_DEFUN([LC_HAVE_CLEAR_INODE],
1293 [AC_MSG_CHECKING([if have clear_inode])
1294 LB_LINUX_TRY_COMPILE([
1295 #include <linux/fs.h>
1297 clear_inode((struct inode *)NULL);
1299 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1301 AC_MSG_RESULT([yes])
1308 # 3.5 encode_fh has parent inode passed in directly
1309 # see kernel commit b0b0382b
1311 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT],
1312 [AC_MSG_CHECKING([if encode_fh have parent inode as parameter])
1313 tmp_flags="$EXTRA_KCFLAGS"
1314 EXTRA_KCFLAGS="-Werror"
1315 LB_LINUX_TRY_COMPILE([
1316 #include <linux/exportfs.h>
1317 #include <linux/fs.h>
1318 #include <linux/types.h>
1319 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1324 struct export_operations exp_op;
1325 exp_op.encode_fh = ll_encode_fh;
1327 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1328 [have parent inode as parameter])
1329 AC_MSG_RESULT([yes])
1333 EXTRA_KCFLAGS="$tmp_flags"
1336 # 3.5 has generic_file_llseek_size with 5 args
1337 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG],
1338 [AC_MSG_CHECKING([if kernel has generic_file_llseek_size with 5 args])
1339 LB_LINUX_TRY_COMPILE([
1340 #include <linux/fs.h>
1342 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1344 AC_MSG_RESULT([yes])
1345 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1346 [kernel has generic_file_llseek_size with 5 args])
1353 # 3.6 switch i_dentry/d_alias from list to hlist
1355 AC_DEFUN([LC_HAVE_DENTRY_D_ALIAS_HLIST],
1356 [AC_MSG_CHECKING([if i_dentry/d_alias uses hlist])
1357 tmp_flags="$EXTRA_KCFLAGS"
1358 EXTRA_KCFLAGS="-Werror"
1359 LB_LINUX_TRY_COMPILE([
1360 #include <linux/fs.h>
1361 #include <linux/list.h>
1364 struct dentry dentry;
1365 struct hlist_head head;
1366 struct hlist_node node;
1367 inode.i_dentry = head;
1368 dentry.d_alias = node;
1370 AC_DEFINE(HAVE_DENTRY_D_ALIAS_HLIST, 1,
1371 [have i_dentry/d_alias uses hlist])
1372 AC_MSG_RESULT([yes])
1376 EXTRA_KCFLAGS="$tmp_flags"
1380 # 3.6 dentry_open uses struct path as first argument
1381 # see kernel commit 765927b2
1383 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH],
1384 [AC_MSG_CHECKING([if dentry_open uses struct path as first argument])
1385 tmp_flags="$EXTRA_KCFLAGS"
1386 EXTRA_KCFLAGS="-Werror"
1387 LB_LINUX_TRY_COMPILE([
1388 #include <linux/fs.h>
1389 #include <linux/path.h>
1392 dentry_open(&path, 0, NULL);
1394 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1395 [dentry_open uses struct path as first argument])
1396 AC_MSG_RESULT([yes])
1400 EXTRA_KCFLAGS="$tmp_flags"
1404 # 3.6 vfs adds iop->atomic_open
1406 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN],
1407 [AC_MSG_CHECKING([if iop has atomic_open])
1408 LB_LINUX_TRY_COMPILE([
1409 #include <linux/fs.h>
1411 struct inode_operations iop;
1412 iop.atomic_open = NULL;
1414 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1415 [have iop atomic_open])
1416 AC_MSG_RESULT([yes])
1423 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1425 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS],
1426 [AC_MSG_CHECKING([if posix_acl_to_xattr takes struct user_namespace])
1427 LB_LINUX_TRY_COMPILE([
1428 #include <linux/fs.h>
1429 #include <linux/posix_acl_xattr.h>
1431 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1433 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1434 [posix_acl_to_xattr takes struct user_namespace])
1435 AC_MSG_RESULT([yes])
1442 # 3.9 uses hlist_for_each_entry with 3 args
1443 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1445 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG],
1446 [AC_MSG_CHECKING([if hlist_for_each_entry has 3 args])
1447 LB_LINUX_TRY_COMPILE([
1448 #include <linux/list.h>
1449 #include <linux/fs.h>
1451 struct inode *inode;
1452 struct dentry *dentry;
1453 hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
1457 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1, [3 args])
1458 AC_MSG_RESULT([yes])
1465 # 3.9 killed f_vfsmnt by
1466 # 182be684784334598eee1d90274e7f7aa0063616
1467 # replacement is f_path.mnt
1469 AC_DEFUN([LC_HAVE_F_PATH_MNT],
1470 [AC_MSG_CHECKING([if struct file has f_path.mnt])
1471 LB_LINUX_TRY_COMPILE([
1472 #include <linux/fs.h>
1474 struct file *fp = NULL;
1477 path.mnt = fp->f_path.mnt;
1479 AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
1480 AC_MSG_RESULT([yes])
1489 # Lustre linux kernel checks
1491 AC_DEFUN([LC_PROG_LINUX],
1495 LC_CONFIG_LIBLUSTRE_RECOVERY
1496 LC_CONFIG_HEALTH_CHECK_WRITE
1497 LC_CONFIG_LRU_RESIZE
1498 LC_LLITE_LLOOP_MODULE
1501 LC_EXPORT_TRUNCATE_COMPLETE
1512 #2.6.18 + RHEL5 (fc6)
1515 # raid5-zerocopy patch
1519 LC_FS_RENAME_DOES_D_MOVE
1526 LC_FS_STRUCT_USE_PATH
1529 LC_SECURITY_PLUG # for SLES10 SP2
1530 LC_INODE_PERMISION_2ARGS
1534 # 2.6.27.15-2 sles11
1539 LC_BLK_QUEUE_MAX_SEGMENTS
1542 LC_HAVE_DQUOT_FS_DISK_QUOTA
1543 LC_HAVE_DQUOT_SUSPEND
1547 LC_EXPORT_SIMPLE_SETATTR
1551 LC_SBOPS_EVICT_INODE
1557 LC_BLKDEV_GET_BY_DEV
1558 LC_GENERIC_PERMISSION
1559 LC_QUOTA_ON_USE_PATH
1566 LC_REQUEST_QUEUE_UNPLUG_FN
1567 LC_HAVE_FSTYPE_MOUNT
1570 LC_DIRTY_INODE_WITH_FLAG
1573 LC_LM_XXX_LOCK_MANAGER_OPS
1579 LC_BLOCKS_FOR_TRUNCATE
1582 LC_HAVE_VOID_MAKE_REQUEST_FN
1583 LC_HAVE_PROTECT_I_NLINK
1586 LC_HAVE_MIGRATE_HEADER
1587 LC_MIGRATEPAGE_4ARGS
1588 LC_SUPEROPS_USE_DENTRY
1589 LC_INODEOPS_USE_UMODE_T
1594 LC_KMAP_ATOMIC_HAS_1ARG
1598 LC_HAVE_ENCODE_FH_PARENT
1599 LC_FILE_LLSEEK_SIZE_5ARG
1602 LC_HAVE_DENTRY_D_ALIAS_HLIST
1603 LC_DENTRY_OPEN_USE_PATH
1604 LC_HAVE_IOP_ATOMIC_OPEN
1607 LC_HAVE_POSIXACL_USER_NS
1610 LC_HAVE_HLIST_FOR_EACH_3ARG
1614 if test x$enable_server = xyes ; then
1615 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1616 LC_FUNC_DEV_SET_RDONLY
1624 # LC_CONFIG_CLIENT_SERVER
1626 # Build client/server sides of Lustre
1628 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1629 [AC_MSG_CHECKING([whether to build Lustre server support])
1630 AC_ARG_ENABLE([server],
1631 AC_HELP_STRING([--disable-server],
1632 [disable Lustre server support]),
1633 [],[enable_server='yes'])
1634 AC_MSG_RESULT([$enable_server])
1636 AC_MSG_CHECKING([whether to build Lustre client support])
1637 AC_ARG_ENABLE([client],
1638 AC_HELP_STRING([--disable-client],
1639 [disable Lustre client support]),
1640 [],[enable_client='yes'])
1641 AC_MSG_RESULT([$enable_client])])
1644 # LC_CONFIG_LIBLUSTRE
1646 # whether to build liblustre
1648 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1649 [AC_MSG_CHECKING([whether to build Lustre library])
1650 AC_ARG_ENABLE([liblustre],
1651 AC_HELP_STRING([--disable-liblustre],
1652 [disable building of Lustre library]),
1653 [],[enable_liblustre=$with_sysio])
1654 AC_MSG_RESULT([$enable_liblustre])
1655 # only build sysio if liblustre is built
1656 with_sysio="$enable_liblustre"
1658 AC_MSG_CHECKING([whether to build liblustre tests])
1659 AC_ARG_ENABLE([liblustre-tests],
1660 AC_HELP_STRING([--enable-liblustre-tests],
1661 [enable liblustre tests, if --disable-tests is used]),
1662 [],[enable_liblustre_tests=$enable_tests])
1663 if test x$enable_liblustre != xyes ; then
1664 enable_liblustre_tests='no'
1666 AC_MSG_RESULT([$enable_liblustre_tests])
1668 AC_MSG_CHECKING([whether to enable liblustre acl])
1669 AC_ARG_ENABLE([liblustre-acl],
1670 AC_HELP_STRING([--disable-liblustre-acl],
1671 [disable ACL support for liblustre]),
1672 [],[enable_liblustre_acl=yes])
1673 AC_MSG_RESULT([$enable_liblustre_acl])
1674 if test x$enable_liblustre_acl = xyes ; then
1675 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1681 AC_ARG_ENABLE(mpitests,
1682 AC_HELP_STRING([--enable-mpitests=yes|no|mpicc wrapper],
1683 [include mpi tests]),
1694 MPICC_WRAPPER=$enableval
1704 if test x$enable_mpitests != xno; then
1705 AC_MSG_CHECKING([whether mpitests can be built])
1713 MPI_Initialized(&flag);
1716 AC_MSG_RESULT([yes])
1723 AC_SUBST(MPICC_WRAPPER)
1725 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1726 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1729 LC_CONFIG_LIBLUSTRE_RECOVERY
1735 # whether to enable quota support global control
1737 AC_DEFUN([LC_CONFIG_QUOTA],
1738 [AC_ARG_ENABLE([quota],
1739 AC_HELP_STRING([--enable-quota],
1740 [enable quota support]),
1741 [],[enable_quota='yes'])
1744 AC_DEFUN([LC_QUOTA],
1748 AC_CHECK_HEADER(sys/quota.h,
1749 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1, [Define to 1 if you have <sys/quota.h>.])],
1750 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
1756 # whether to enable split support
1758 AC_DEFUN([LC_CONFIG_SPLIT],
1759 [AC_MSG_CHECKING([whether to enable split support])
1760 AC_ARG_ENABLE([split],
1761 AC_HELP_STRING([--enable-split],
1762 [enable split support]),
1763 [],[enable_split='no'])
1764 AC_MSG_RESULT([$enable_split])
1765 if test x$enable_split != xno; then
1766 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1771 # LC_LLITE_LLOOP_MODULE
1772 # lloop_llite.ko does not currently work with page sizes
1775 AC_DEFUN([LC_LLITE_LLOOP_MODULE],
1776 [AC_MSG_CHECKING([whether to enable llite_lloop module])
1777 LB_LINUX_TRY_COMPILE([
1778 #include <asm/page.h>
1780 #if PAGE_SIZE >= 65536
1781 #error "PAGE_SIZE >= 65536"
1784 enable_llite_lloop_module='yes'
1785 AC_MSG_RESULT([yes])
1787 enable_llite_lloop_module='no'
1795 # configure support for optional OSD implementation
1797 AC_DEFUN([LC_OSD_ADDON],
1798 [AC_MSG_CHECKING([for osd])
1800 AC_HELP_STRING([--with-osd=path],
1801 [set path to optional osd]),
1804 no) ENABLEOSDADDON=0
1806 *) OSDADDON="${with_osd}"
1813 if test $ENABLEOSDADDON -eq 0; then
1817 OSDMODNAME=`basename $OSDADDON`
1818 if test -e $LUSTRE/$OSDMODNAME; then
1819 AC_MSG_RESULT([can't link])
1821 elif ln -s $OSDADDON $LUSTRE/$OSDMODNAME; then
1822 AC_MSG_RESULT([$OSDMODNAME])
1823 OSDADDON="subdir-m += $OSDMODNAME"
1825 AC_MSG_RESULT([can't link])
1835 # other configure checks
1837 AC_DEFUN([LC_CONFIGURE],
1838 [LC_CONFIG_OBD_BUFFER_SIZE
1840 if test $target_cpu == "i686" -o $target_cpu == "x86_64"; then
1841 CFLAGS="$CFLAGS -Werror"
1844 # maximum MDS thread count
1847 # include/liblustre.h
1848 AC_CHECK_HEADERS([sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1850 # liblustre/llite_lib.h
1851 AC_CHECK_HEADERS([xtio.h file.h])
1854 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1857 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1858 AC_CHECK_FUNCS([inet_ntoa])
1860 # libsysio/src/readlink.c
1863 # lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
1864 AC_CHECK_HEADERS([linux/random.h], [], [],
1865 [#ifdef HAVE_LINUX_TYPES_H
1866 # include <linux/types.h>
1871 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1873 # check for -lz support
1877 [AC_CHECK_HEADERS([zlib.h],
1879 AC_DEFINE([HAVE_ADLER], 1,
1880 [support alder32 checksum type])],
1881 [AC_MSG_WARN([No zlib-devel package found,
1882 unable to use adler32 checksum])])],
1883 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1888 AC_CHECK_LIB([selinux],
1889 [is_selinux_enabled],
1890 [AC_CHECK_HEADERS([selinux.h],
1891 [SELINUX="-lselinux"
1892 AC_DEFINE([HAVE_SELINUX], 1,
1893 [support for selinux ])],
1894 [AC_MSG_WARN([No selinux-devel package found,
1895 unable to build selinux enabled
1897 [AC_MSG_WARN([No selinux package found, unable to build selinux
1903 AC_ARG_ENABLE([mindf],
1904 AC_HELP_STRING([--enable-mindf],
1905 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1907 if test "$enable_mindf" = "yes" ; then
1908 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1911 AC_ARG_ENABLE([fail_alloc],
1912 AC_HELP_STRING([--disable-fail-alloc],
1913 [disable randomly alloc failure]),
1914 [],[enable_fail_alloc=yes])
1915 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1916 AC_MSG_RESULT([$enable_fail_alloc])
1917 if test x$enable_fail_alloc != xno ; then
1918 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1921 AC_ARG_ENABLE([invariants],
1922 AC_HELP_STRING([--enable-invariants],
1923 [enable invariant checking (cpu intensive)]),
1925 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
1926 AC_MSG_RESULT([$enable_invariants])
1927 if test x$enable_invariants = xyes ; then
1928 AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1, [enable invariant checking])
1931 AC_ARG_ENABLE([lu_ref],
1932 AC_HELP_STRING([--enable-lu_ref],
1933 [enable lu_ref reference tracking code]),
1935 AC_MSG_CHECKING([whether to track references with lu_ref])
1936 AC_MSG_RESULT([$enable_lu_ref])
1937 if test x$enable_lu_ref = xyes ; then
1938 AC_DEFINE([USE_LU_REF], 1, [enable lu_ref reference tracking code])
1941 AC_ARG_ENABLE([pgstate-track],
1942 AC_HELP_STRING([--enable-pgstate-track],
1943 [enable page state tracking]),
1944 [enable_pgstat_track='yes'],[])
1945 AC_MSG_CHECKING([whether to enable page state tracking])
1946 AC_MSG_RESULT([$enable_pgstat_track])
1947 if test x$enable_pgstat_track = xyes ; then
1948 AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
1949 [enable page state tracking code])
1956 # AM_CONDITIONALS for lustre
1958 AC_DEFUN([LC_CONDITIONALS],
1959 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1960 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1961 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1962 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1963 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1964 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1965 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1966 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1967 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1968 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1969 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1970 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1971 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1972 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
1978 # files that should be generated with AC_OUTPUT
1980 AC_DEFUN([LC_CONFIG_FILES],
1984 lustre/autoconf/Makefile
1985 lustre/conf/Makefile
1986 lustre/contrib/Makefile
1988 lustre/include/Makefile
1989 lustre/include/lustre_ver.h
1990 lustre/include/linux/Makefile
1991 lustre/include/darwin/Makefile
1992 lustre/include/lustre/Makefile
1993 lustre/kernel_patches/targets/2.6-rhel6.target
1994 lustre/kernel_patches/targets/2.6-rhel5.target
1995 lustre/kernel_patches/targets/2.6-sles11.target
1996 lustre/kernel_patches/targets/3.0-sles11.target
1997 lustre/kernel_patches/targets/2.6-fc11.target
1998 lustre/kernel_patches/targets/2.6-fc12.target
1999 lustre/kernel_patches/targets/2.6-fc15.target
2000 lustre/kernel_patches/targets/3.x-fc18.target
2001 lustre/ldlm/Makefile
2003 lustre/fid/autoMakefile
2004 lustre/liblustre/Makefile
2005 lustre/liblustre/tests/Makefile
2006 lustre/liblustre/tests/mpi/Makefile
2007 lustre/llite/Makefile
2008 lustre/llite/autoMakefile
2009 lustre/lclient/Makefile
2011 lustre/lov/autoMakefile
2012 lustre/lvfs/Makefile
2013 lustre/lvfs/autoMakefile
2015 lustre/mdc/autoMakefile
2017 lustre/lmv/autoMakefile
2018 lustre/lfsck/Makefile
2019 lustre/lfsck/autoMakefile
2021 lustre/mdt/autoMakefile
2023 lustre/mdd/autoMakefile
2025 lustre/fld/autoMakefile
2026 lustre/obdclass/Makefile
2027 lustre/obdclass/autoMakefile
2028 lustre/obdclass/linux/Makefile
2029 lustre/obdecho/Makefile
2030 lustre/obdecho/autoMakefile
2032 lustre/ofd/autoMakefile
2034 lustre/osc/autoMakefile
2036 lustre/ost/autoMakefile
2037 lustre/osd-ldiskfs/Makefile
2038 lustre/osd-ldiskfs/autoMakefile
2039 lustre/osd-zfs/Makefile
2040 lustre/osd-zfs/autoMakefile
2042 lustre/mgc/autoMakefile
2044 lustre/mgs/autoMakefile
2045 lustre/target/Makefile
2046 lustre/ptlrpc/Makefile
2047 lustre/ptlrpc/autoMakefile
2048 lustre/ptlrpc/gss/Makefile
2049 lustre/ptlrpc/gss/autoMakefile
2050 lustre/quota/Makefile
2051 lustre/quota/autoMakefile
2052 lustre/scripts/Makefile
2053 lustre/tests/Makefile
2054 lustre/tests/mpi/Makefile
2055 lustre/utils/Makefile
2056 lustre/utils/gss/Makefile
2058 lustre/osp/autoMakefile
2060 lustre/lod/autoMakefile
2061 lustre/obdclass/darwin/Makefile