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
26 demodir='$(docdir)/demo'
29 pkgexampledir='${pkgdatadir}/examples'
30 AC_SUBST(pkgexampledir)
36 # is the target os supported?
38 AC_DEFUN([LC_TARGET_SUPPORTED], [
47 ]) # 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([for 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)]),
59 [OBD_BUFFER_SIZE=$with_obd_buffer_size],
60 [OBD_BUFFER_SIZE=8192])
61 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
62 AC_DEFINE_UNQUOTED(CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE,
64 ]) # LC_CONFIG_OBD_BUFFER_SIZE
67 # LC_GLIBC_SUPPORT_FHANDLES
69 AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [
70 AC_CHECK_FUNCS([name_to_handle_at],
71 [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1,
72 [file handle and related syscalls are supported])],
73 [AC_MSG_WARN([file handle and related syscalls are not supported])])
74 ]) # LC_GLIBC_SUPPORT_FHANDLES
77 # LC_FUNC_DEV_SET_RDONLY
79 # check whether dev_set_rdonly is exported. This is needed until we
80 # have another mechanism to fence IO from the underlying device.
82 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY], [
83 LB_CHECK_EXPORT([dev_set_rdonly], [block/ll_rw_block.c block/blk-core.c],
84 [AC_DEFINE(HAVE_DEV_SET_RDONLY, 1,
85 [kernel exports dev_set_rdonly])],
86 [AC_MSG_WARN([kernel missing dev_set_rdonly patch for testing])])
87 ]) # LC_FUNC_DEV_SET_RDONLY
92 # Ensure the stack size is at least 8k in Lustre server (all kernels)
94 AC_DEFUN([LC_STACK_SIZE], [
95 LB_CHECK_COMPILE([if stack size is at least 8k],
97 #include <linux/thread_info.h>
99 #if THREAD_SIZE < 8192
100 #error "stack size < 8192"
102 ], [], [AC_MSG_ERROR([
104 Lustre requires that Linux is configured with at least a 8KB stack.
111 # Allow the user to set the MDS thread upper limit
113 AC_DEFUN([LC_MDS_MAX_THREADS], [
114 AC_MSG_CHECKING([for maximum number of MDS threads])
115 AC_ARG_WITH([mds_max_threads],
116 AC_HELP_STRING([--with-mds-max-threads=count],
117 [maximum threads available on the MDS: (default=512)]),
118 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
119 [maximum number of MDS threads])])
120 AC_MSG_RESULT([$with_mds_max_threads])
121 ]) # LC_MDS_MAX_THREADS
126 # the pinger is temporary, until we have the recovery node in place
128 AC_DEFUN([LC_CONFIG_PINGER], [
129 AC_MSG_CHECKING([whether to enable Lustre pinger support])
130 AC_ARG_ENABLE([pinger],
131 AC_HELP_STRING([--disable-pinger],
132 [disable recovery pinger support]),
133 [], [enable_pinger="yes"])
134 AC_MSG_RESULT([$enable_pinger])
135 AS_IF([test "x$enable_pinger" != xno],
136 [AC_DEFINE(ENABLE_PINGER, 1,[Use the Pinger])])
137 ]) # LC_CONFIG_PINGER
142 # do checksum of bulk data between client and OST
144 AC_DEFUN([LC_CONFIG_CHECKSUM], [
145 AC_MSG_CHECKING([whether to enable data checksum support])
146 AC_ARG_ENABLE([checksum],
147 AC_HELP_STRING([--disable-checksum],
148 [disable data checksum support]),
149 [], [enable_checksum="yes"])
150 AC_MSG_RESULT([$enable_checksum])
151 AS_IF([test "x$enable_checksum" != xno],
152 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
153 ]) # LC_CONFIG_CHECKSUM
156 # LC_CONFIG_HEALTH_CHECK_WRITE
158 # Turn off the actual write to the disk
160 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
161 AC_MSG_CHECKING([whether to enable a write with the health check])
162 AC_ARG_ENABLE([health_write],
163 AC_HELP_STRING([--enable-health_write],
164 [enable disk writes when doing health check]),
165 [], [enable_health_write="no"])
166 AC_MSG_RESULT([$enable_health_write])
167 AS_IF([test "x$enable_health_write" != xno],
168 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
169 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
172 # LC_CONFIG_LRU_RESIZE
174 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
175 AC_MSG_CHECKING([whether to enable lru self-adjusting])
176 AC_ARG_ENABLE([lru_resize],
177 AC_HELP_STRING([--enable-lru-resize],
178 [enable lru resize support]),
179 [], [enable_lru_resize="yes"])
180 AC_MSG_RESULT([$enable_lru_resize])
181 AS_IF([test "x$enable_lru_resize" != xno],
182 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
183 ]) # LC_CONFIG_LRU_RESIZE
188 # Quota support. The kernel must support CONFIG_QUOTA.
190 AC_DEFUN([LC_QUOTA_CONFIG], [
191 LB_CHECK_CONFIG_IM([QUOTA], [],
194 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
199 # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
201 # truncate_complete_page() has never been exported from an upstream kernel
202 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
203 # delete_from_page_cache() is exported from 2.6.39
205 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE], [
206 LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c],
207 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
208 [kernel export truncate_complete_page])])
209 LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c],
210 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
211 [kernel export remove_from_page_cache])])
212 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
213 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
214 [kernel export delete_from_page_cache])])
215 ]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
218 # LC_CONFIG_RMTCLIENT
221 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
223 AC_DEFUN([LC_CONFIG_RMTCLIENT], [
224 LB_CHECK_CONFIG_IM([CRYPTO_AES], [],
227 Lustre remote client require that CONFIG_CRYPTO_AES is enabled in your kernel.
229 ]) # LC_CONFIG_RMTCLIENT
232 # LC_CONFIG_GSS_KEYRING
234 # default 'auto', tests for dependencies, if found, enables;
235 # only called if gss is enabled
237 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
238 AC_MSG_CHECKING([whether to enable gss keyring backend])
239 AC_ARG_ENABLE([gss_keyring],
240 [AC_HELP_STRING([--disable-gss-keyring],
241 [disable gss keyring backend])],
242 [], [enable_gss_keyring="auto"])
243 AC_MSG_RESULT([$enable_gss_keyring])
244 AS_IF([test "x$enable_gss_keyring" != xno], [
245 LB_CHECK_CONFIG_IM([KEYS], [], [
246 gss_keyring_conf_test="fail"
247 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
249 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
250 gss_keyring_conf_test="fail"
251 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
253 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
254 AC_DEFINE([HAVE_GSS_KEYRING], [1],
255 [Define this if you enable gss keyring backend])
256 enable_gss_keyring="yes"
258 AS_IF([test "x$enable_gss_keyring" = xyes], [
259 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
263 ]) # LC_CONFIG_GSS_KEYRING
266 # LC_HAVE_CRED_TGCRED
268 # rhel7 struct cred has no member tgcred
270 AC_DEFUN([LC_HAVE_CRED_TGCRED], [
271 LB_CHECK_COMPILE([if 'struct cred' has member 'tgcred'],
273 #include <linux/cred.h>
275 ((struct cred *)0)->tgcred = NULL;
277 AC_DEFINE(HAVE_CRED_TGCRED, 1,
278 [struct cred has member tgcred])
280 ]) # LC_HAVE_CRED_TGCRED
283 # LC_KEY_TYPE_INSTANTIATE_2ARGS
285 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
287 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
288 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
289 key_type_instantiate_2args, [
290 #include <linux/key-type.h>
292 ((struct key_type *)0)->instantiate(0, NULL);
294 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
295 [key_type->instantiate has two args])
297 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
302 AC_DEFUN([LC_CONFIG_SUNRPC], [
303 LB_CHECK_CONFIG_IM([SUNRPC], [], [
304 AS_IF([test "x$sunrpc_required" = xyes], [
307 kernel SUNRPC support is required by using GSS.
310 ]) # LC_CONFIG_SUNRPC
313 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
315 # Build gss and related tools of Lustre. Currently both kernel and user space
316 # parts are depend on linux platform.
318 AC_DEFUN([LC_CONFIG_GSS], [
319 AC_MSG_CHECKING([whether to enable gss/krb5 support])
321 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
322 [], [enable_gss="auto"])
323 AC_MSG_RESULT([$enable_gss])
325 AS_IF([test "x$enable_gss" != xno], [
326 LC_CONFIG_GSS_KEYRING
328 LC_KEY_TYPE_INSTANTIATE_2ARGS
329 sunrpc_required=$enable_gss
333 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
334 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
335 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
336 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
337 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
338 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
339 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
340 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
342 require_krb5=$enable_gss
346 AS_IF([test -n "$KRBDIR"], [
347 gss_conf_test="success"
349 gss_conf_test="failure"
352 AS_IF([test "x$gss_conf_test" = xsuccess], [
353 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
362 # LC_INODE_PERMISION_2ARGS
364 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
365 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
366 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
367 # v3.1 onward have a 2 arg version (inode, mask)
369 AC_DEFUN([LC_INODE_PERMISION_2ARGS], [
370 LB_CHECK_COMPILE([if 'inode_operations->permission' has two args],
371 inode_ops_permission_2args, [
372 #include <linux/fs.h>
374 struct inode *inode __attribute__ ((unused));
377 inode->i_op->permission(NULL, 0);
379 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
380 [inode_operations->permission has two args])
382 ]) # LC_INODE_PERMISION_2ARGS
385 # LC_BLK_QUEUE_MAX_SEGMENTS
387 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
389 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [
390 LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined],
391 blk_queue_max_segments, [
392 #include <linux/blkdev.h>
394 blk_queue_max_segments(NULL, 0);
396 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
397 [blk_queue_max_segments is defined])
399 ]) # LC_BLK_QUEUE_MAX_SEGMENTS
402 # LC_HAVE_DQUOT_FS_DISK_QUOTA
404 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
406 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], [
407 tmp_flags="$EXTRA_KCFLAGS"
408 EXTRA_KCFLAGS="-Werror"
409 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota],
411 #include <linux/fs.h>
412 #include <linux/quota.h>
414 ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
416 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
417 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
419 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota],
420 kqid_fs_disk_quota, [
421 #include <linux/fs.h>
422 #include <linux/quota.h>
424 ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
426 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
427 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
428 AC_DEFINE(HAVE_DQUOT_KQID, 1,
429 [quotactl_ops.set_dqblk takes struct kqid])
432 EXTRA_KCFLAGS="$tmp_flags"
433 ]) # LC_HAVE_DQUOT_FS_DISK_QUOTA
436 # LC_HAVE_DQUOT_SUSPEND
438 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
440 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [
441 LB_CHECK_COMPILE([if 'dquot_suspend' is defined],
443 #include <linux/quotaops.h>
445 dquot_suspend(NULL, -1);
447 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
449 ]) # LC_HAVE_DQUOT_SUSPEND
454 # Check if kernel has been patched for 64-bit quota limits support.
455 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
456 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
457 # that in the absence of quotaio_v1.h in the kernel headers.
459 AC_DEFUN([LC_QUOTA64], [
460 tmp_flags="$EXTRA_KCFLAGS"
461 EXTRA_KCFLAGS="-I$LINUX/fs"
462 LB_CHECK_COMPILE([if kernel has 64-bit quota limits support],
464 #include <linux/kernel.h>
465 #include <linux/fs.h>
466 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
467 #include <quota/quotaio_v2.h>
468 struct v2r1_disk_dqblk dqblk_r1;
470 #include <linux/quota.h>
471 int ver = QFMT_VFS_V1;
474 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
476 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],
477 [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])])
479 EXTRA_KCFLAGS=$tmp_flags
483 # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
485 # 2.6.34 adds __add_wait_queue_exclusive
487 AC_DEFUN([LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE], [
488 LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
489 __add_wait_queue_exclusive, [
490 #include <linux/wait.h>
492 wait_queue_head_t queue;
494 __add_wait_queue_exclusive(&queue, &wait);
496 AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
497 [__add_wait_queue_exclusive exists])
499 ]) # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
502 # LC_FS_STRUCT_RWLOCK
504 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
506 AC_DEFUN([LC_FS_STRUCT_RWLOCK], [
507 LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock],
509 #include <asm/atomic.h>
510 #include <linux/spinlock.h>
511 #include <linux/fs_struct.h>
513 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
515 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock])
517 ]) # LC_FS_STRUCT_RWLOCK
520 # LC_SBOPS_EVICT_INODE
522 # 2.6.36 super_operations add evict_inode method. it hybird of
523 # delete_inode & clear_inode.
525 AC_DEFUN([LC_SBOPS_EVICT_INODE], [
526 LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist],
527 super_ops_evict_inode, [
528 #include <linux/fs.h>
530 ((struct super_operations *)0)->evict_inode(NULL);
532 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
533 [super_operations.evict_inode() is exist in kernel])
535 ]) # LC_SBOPS_EVICT_INODE
540 # 2.6.35 file_operations.fsync taken 2 arguments.
541 # 3.0.0 file_operations.fsync takes 4 arguments.
543 AC_DEFUN([LC_FILE_FSYNC], [
544 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 4 arguments],
545 file_ops_fsync_4args, [
546 #include <linux/fs.h>
548 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
550 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
551 [file_operations.fsync takes 4 arguments])
553 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 2 arguments],
554 file_ops_fsync_2args, [
555 #include <linux/fs.h>
557 ((struct file_operations *)0)->fsync(NULL, 0);
559 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
560 [file_operations.fsync takes 2 arguments])
568 # 2.6.37 remove kernel_locked
570 AC_DEFUN([LC_KERNEL_LOCKED], [
571 LB_CHECK_COMPILE([if 'kernel_locked' is defined],
573 #include <linux/smp_lock.h>
577 AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
579 ]) # LC_KERNEL_LOCKED
584 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
586 AC_DEFUN([LC_D_COMPARE_7ARGS], [
587 LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
588 dentry_ops_d_compare_7arg, [
589 #include <linux/dcache.h>
591 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
593 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
595 ]) # LC_D_COMPARE_7ARGS
600 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
602 AC_DEFUN([LC_D_DELETE_CONST], [
603 tmp_flags="$EXTRA_KCFLAGS"
604 EXTRA_KCFLAGS="-Werror"
605 LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
606 dentry_ops_d_delete_1st_const, [
607 #include <linux/dcache.h>
609 const struct dentry *d = NULL;
610 ((struct dentry_operations*)0)->d_delete(d);
612 AC_DEFINE(HAVE_D_DELETE_CONST, const,
613 [d_delete first parameter declared const])
615 AC_DEFINE(HAVE_D_DELETE_CONST, [],
616 [d_delete first parameter declared is not const])
618 EXTRA_KCFLAGS="$tmp_flags"
619 ]) # LC_D_DELETE_CONST
624 # 2.6.38 dcache_lock removed. rcu-walk committed.
626 AC_DEFUN([LC_DCACHE_LOCK], [
627 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
629 #include <linux/dcache.h>
631 spin_lock(&dcache_lock);
633 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
634 [dcache_lock is exist])
641 # 2.6.38 inode.i_rcu added.
643 AC_DEFUN([LC_INODE_I_RCU], [
644 LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
646 #include <linux/fs.h>
649 struct rcu_head rcu = {};
652 AC_DEFINE(HAVE_INODE_I_RCU, 1,
653 [inode.i_rcu exists])
658 # LC_BLKDEV_GET_BY_DEV
660 # 2.6.38 export blkdev_get_by_dev
662 AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
663 LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
664 [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
665 [blkdev_get_by_dev is exported by the kernel])])
666 ]) # LC_BLKDEV_GET_BY_DEV
669 # LC_EXPORT_SIMPLE_SETATTR
671 # 2.6.38 export simple_setattr
673 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
674 LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
675 [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
676 [simple_setattr is exported by the kernel])])
677 ]) # LC_EXPORT_SIMPLE_SETATTR
682 # truncate callback removed since 2.6.39
684 AC_DEFUN([LC_IOP_TRUNCATE], [
685 LB_CHECK_COMPILE([if 'inode_operations' has '.truncate' member function],
686 inode_ops_truncate, [
687 #include <linux/fs.h>
689 ((struct inode_operations *)0)->truncate(NULL);
691 AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1,
692 [inode_operations has .truncate member function])
697 # LC_REQUEST_QUEUE_UNPLUG_FN
699 # 2.6.39 remove unplug_fn from request_queue.
701 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN], [
702 LB_CHECK_COMPILE([if 'request_queue' has 'unplug_fn' field],
703 request_queue_unplug_fn, [
704 #include <linux/blkdev.h>
706 do {} while(sizeof(((struct request_queue *)0)->unplug_fn));
708 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
709 [request_queue has unplug_fn field])
711 ]) # LC_REQUEST_QUEUE_UNPLUG_FN
714 # LC_HAVE_FSTYPE_MOUNT
716 # 2.6.39 replace get_sb with mount in struct file_system_type
718 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
719 LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
720 file_system_type_mount, [
721 #include <linux/fs.h>
723 struct file_system_type fst;
724 void *i = (void *) fst.mount;
726 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
727 [struct file_system_type has mount field])
729 ]) # LC_HAVE_FSTYPE_MOUNT
732 # LC_HAVE_FHANDLE_SYSCALLS
734 # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
735 # added to Linux kernel 2.6.39.
736 # Check if client supports these functions
738 AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
739 LB_CHECK_CONFIG_IM([FHANDLE],[
740 AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
741 [kernel supports fhandles and related syscalls])
743 ]) # LC_HAVE_FHANDLE_SYSCALLS
746 # LC_HAVE_INODE_OWNER_OR_CAPABLE
748 # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
750 AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
751 LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
752 inode_owner_or_capable, [
753 #include <linux/fs.h>
755 inode_owner_or_capable(NULL);
757 AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
758 [inode_owner_or_capable exist])
760 ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
763 # LC_DIRTY_INODE_WITH_FLAG
765 # 3.0 dirty_inode() has a flag parameter
766 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
768 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
769 LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
770 dirty_inode_super_operation_flag, [
771 #include <linux/fs.h>
774 inode->i_sb->s_op->dirty_inode(NULL, 0);
776 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
777 [dirty_inode super_operation takes flag])
779 ]) # LC_DIRTY_INODE_WITH_FLAG
782 # LC_GENERIC_PERMISSION
784 # 2.6.38 generic_permission taken 4 parameters.
785 # in fact, it means rcu-walk aware permission bring.
787 # 3.1 generic_permission taken 2 parameters.
788 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
790 AC_DEFUN([LC_GENERIC_PERMISSION], [
791 LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
792 generic_permission_2args, [
793 #include <linux/fs.h>
795 generic_permission(NULL, 0);
797 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
798 [generic_permission taken 2 arguments])
800 LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
801 generic_permission_4args, [
802 #include <linux/fs.h>
804 generic_permission(NULL, 0, 0, NULL);
806 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
807 [generic_permission taken 4 arguments])
810 ]) # LC_GENERIC_PERMISSION
813 # LC_LM_XXX_LOCK_MANAGER_OPS
815 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
816 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
818 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
819 LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
820 lock_manager_ops_lm_xxx, [
821 #include <linux/fs.h>
823 struct lock_manager_operations lm_ops;
824 lm_ops.lm_compare_owner = NULL;
826 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
827 [lock-manager ops renamed to lm_xxx])
829 ]) # LC_LM_XXX_LOCK_MANAGER_OPS
834 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
836 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
838 AC_DEFUN([LC_INODE_DIO_WAIT], [
839 LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
841 #include <linux/fs.h>
843 inode_dio_wait((struct inode *)0);
845 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
846 [inode->i_alloc_sem is killed and use inode_dio_wait])
848 ]) # LC_INODE_DIO_WAIT
853 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
854 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
856 AC_DEFUN([LC_IOP_GET_ACL], [
857 LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
859 #include <linux/fs.h>
861 struct inode_operations iop;
864 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
865 [inode_operations has .get_acl member function])
870 # LC_FILE_LLSEEK_SIZE
872 # 3.1 introduced generic_file_llseek_size()
874 AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
875 LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
876 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
877 [generic_file_llseek_size is exported by the kernel])])
878 ]) # LC_FILE_LLSEEK_SIZE
881 # LC_RADIX_EXCEPTION_ENTRY
882 # 3.1 adds radix_tree_exception_entry.
884 AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
885 LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
886 radix_tree_exceptional_entry, [
887 #include <linux/radix-tree.h>
889 radix_tree_exceptional_entry(NULL);
891 AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
892 [radix_tree_exceptional_entry exist])
894 ]) # LC_RADIX_EXCEPTION_ENTRY
897 # LC_HAVE_VOID_MAKE_REQUEST_FN
899 # 3.2 request_queue.make_request_fn defined as function returns with void
900 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
902 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN], [
903 LB_CHECK_COMPILE([if 'request_queue.make_request_fn' returns void but not int],
904 make_request_fn_void, [
905 #include <linux/blkdev.h>
908 make_request_fn *mrf;
909 ret = mrf(NULL, NULL);
911 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
912 [request_queue.make_request_fn returns void but not int])
914 ]) # LC_HAVE_VOID_MAKE_REQUEST_FN
917 # LC_HAVE_PROTECT_I_NLINK
919 # 3.2 protects inode->i_nlink from direct modification
920 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
921 # at the same time adds set_nlink(), so checks set_nlink() for it.
923 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
924 LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
925 inode_i_nlink_protected, [
926 #include <linux/fs.h>
931 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
932 [inode->i_nlink is protected from direct modification])
934 ]) # LC_HAVE_PROTECT_I_NLINK
937 # 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
939 # 3.2 security_inode_init_security takes a callback to set xattrs
941 AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
942 LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
943 security_inode_init_security_callback, [
944 #include <linux/security.h>
946 security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
948 AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
949 [security_inode_init_security takes a callback to set xattrs])
951 LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
952 security_inode_init_security_qstr, [
953 #include <linux/security.h>
955 security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
957 AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
958 [security_inode_init_security takes a 'struct qstr' parameter])
961 ]) # LC_HAVE_SECURITY_IINITSEC
964 # LC_HAVE_MIGRATE_HEADER
966 # 3.3 introduces migrate_mode.h and migratepage has 4 args
968 AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
969 LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
970 AC_DEFINE(HAVE_MIGRATE_H, 1,
971 [kernel has include/linux/migrate.h])
973 LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
974 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
975 [kernel has include/linux/migrate_mode.h])
978 ]) # LC_HAVE_MIGRATE_HEADER
981 # LC_MIGRATEPAGE_4ARGS
983 AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
984 LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
985 address_space_ops_migratepage_4args, [
986 #include <linux/fs.h>
987 #ifdef HAVE_MIGRATE_H
988 #include <linux/migrate.h>
989 #elif defined(HAVE_MIGRATE_MODE_H)
990 #include <linux/migrate_mode.h>
993 struct address_space_operations aops;
994 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
996 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
997 [address_space_operations.migratepage has 4 args])
999 ]) # LC_MIGRATEPAGE_4ARGS
1002 # LC_SUPEROPS_USE_DENTRY
1004 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1005 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1007 AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
1008 tmp_flags="$EXTRA_KCFLAGS"
1009 EXTRA_KCFLAGS="-Werror"
1010 LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
1012 #include <linux/fs.h>
1013 int show_options(struct seq_file *seq, struct dentry *root) {
1017 struct super_operations ops;
1018 ops.show_options = show_options;
1020 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1021 [super_operations use dentry as parameter])
1023 EXTRA_KCFLAGS="$tmp_flags"
1024 ]) # LC_SUPEROPS_USE_DENTRY
1027 # LC_INODEOPS_USE_UMODE_T
1029 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1030 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1032 AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
1033 tmp_flags="$EXTRA_KCFLAGS"
1034 EXTRA_KCFLAGS="-Werror"
1035 LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
1036 inode_ops_umode_t, [
1037 #include <linux/fs.h>
1038 #include <linux/types.h>
1039 int my_mknod(struct inode *dir, struct dentry *dchild,
1040 umode_t mode, dev_t dev)
1045 struct inode_operations ops;
1046 ops.mknod = my_mknod;
1048 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1049 [inode_operations use umode_t as parameter])
1051 EXTRA_KCFLAGS="$tmp_flags"
1052 ]) # LC_INODEOPS_USE_UMODE_T
1055 # LC_KMAP_ATOMIC_HAS_1ARG
1057 # 3.4 kmap_atomic removes second argument
1058 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1060 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
1061 LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
1063 #include <linux/highmem.h>
1067 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1068 [have kmap_atomic has only 1 argument])
1070 ]) # LC_KMAP_ATOMIC_HAS_1ARG
1073 # LC_HAVE_D_MAKE_ROOT
1075 # 3.4 converts d_alloc_root to d_make_root
1076 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1078 AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
1079 LB_CHECK_COMPILE([if have 'd_make_root'],
1081 #include <linux/fs.h>
1083 d_make_root((struct inode *)NULL);
1085 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1088 ]) # LC_HAVE_D_MAKE_ROOT
1091 # LC_HAVE_CACHE_REGISTER
1093 # 3.4 cache_register/cache_unregister are removed
1094 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1095 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1096 # are defined, but not exported.
1097 # 3.3 cache_register_net/cache_unregister_net are
1098 # exported and replacing cache_register/cache_unregister in 3.4
1100 AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
1101 LB_CHECK_COMPILE([if have 'cache_register'],
1103 #include <linux/sunrpc/cache.h>
1105 cache_register(NULL);
1107 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1108 [have cache_register])
1110 ]) # LC_HAVE_CACHE_REGISTER
1113 # LC_HAVE_CLEAR_INODE
1115 # 3.5 renames end_writeback() back to clear_inode()...
1116 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1118 AC_DEFUN([LC_HAVE_CLEAR_INODE], [
1119 LB_CHECK_COMPILE([if have 'clear_inode'],
1121 #include <linux/fs.h>
1123 clear_inode((struct inode *)NULL);
1125 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1128 ]) # LC_HAVE_CLEAR_INODE
1131 # LC_HAVE_ENCODE_FH_PARENT
1133 # 3.5 encode_fh has parent inode passed in directly
1134 # see kernel commit b0b0382b
1136 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
1137 tmp_flags="$EXTRA_KCFLAGS"
1138 EXTRA_KCFLAGS="-Werror"
1139 LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
1140 encode_fh_parent_inode, [
1141 #include <linux/exportfs.h>
1142 #include <linux/fs.h>
1143 #include <linux/types.h>
1144 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1149 struct export_operations exp_op;
1150 exp_op.encode_fh = ll_encode_fh;
1152 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1153 [have parent inode as parameter])
1155 EXTRA_KCFLAGS="$tmp_flags"
1156 ]) # LC_HAVE_ENCODE_FH_PARENT
1159 # LC_FILE_LLSEEK_SIZE_5ARG
1161 # 3.5 has generic_file_llseek_size with 5 args
1163 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
1164 LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
1165 generic_file_llseek_size_5args, [
1166 #include <linux/fs.h>
1168 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1170 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1171 [kernel has generic_file_llseek_size with 5 args])
1173 ]) # LC_FILE_LLSEEK_SIZE_5ARG
1176 # LC_LLITE_DATA_IS_LIST
1178 # 3.6 switch i_dentry/d_alias from list to hlist
1180 # In the upstream kernels d_alias first changes
1181 # to a hlist and then in later version, 3.11, gets
1182 # moved to the union d_u. Due to some distros having
1183 # d_alias in the d_u union as a struct list, which
1184 # has never existed upstream stream, we can't test
1185 # if d_alias is a list or hlist directly. If ever
1186 # i_dentry and d_alias even up different combos then
1187 # the build will fail. In that case then we will need
1188 # to separate out the i_dentry and d_alias test below.
1190 AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
1191 tmp_flags="$EXTRA_KCFLAGS"
1192 EXTRA_KCFLAGS="-Werror"
1193 LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
1194 i_dentry_d_alias_list, [
1195 #include <linux/fs.h>
1198 INIT_LIST_HEAD(&inode.i_dentry);
1200 AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
1201 [both i_dentry/d_alias uses list])
1203 EXTRA_KCFLAGS="$tmp_flags"
1204 ]) # LC_DATA_FOR_LLITE_IS_LIST
1207 # LC_DENTRY_OPEN_USE_PATH
1209 # 3.6 dentry_open uses struct path as first argument
1210 # see kernel commit 765927b2
1212 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
1213 tmp_flags="$EXTRA_KCFLAGS"
1214 EXTRA_KCFLAGS="-Werror"
1215 LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
1217 #include <linux/fs.h>
1218 #include <linux/path.h>
1221 dentry_open(&path, 0, NULL);
1223 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1224 [dentry_open uses struct path as first argument])
1226 EXTRA_KCFLAGS="$tmp_flags"
1227 ]) # LC_DENTRY_OPEN_USE_PATH
1230 # LC_HAVE_IOP_ATOMIC_OPEN
1232 # 3.6 vfs adds iop->atomic_open
1234 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
1235 LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
1236 inode_ops_atomic_open, [
1237 #include <linux/fs.h>
1239 struct inode_operations iop;
1240 iop.atomic_open = NULL;
1242 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1243 [have iop atomic_open])
1245 ]) # LC_HAVE_IOP_ATOMIC_OPEN
1248 # LC_HAVE_SB_START_WRITE
1250 # RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
1252 AC_DEFUN([LC_HAVE_SB_START_WRITE], [
1253 LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
1255 #include <linux/fs.h>
1257 sb_start_write(NULL);
1259 AC_DEFINE(HAVE_SB_START_WRITE, 1,
1260 [kernel supports wrapped FS freeze functions])
1262 ]) # LC_HAVE_SB_START_WRITE
1265 # LC_HAVE_POSIXACL_USER_NS
1267 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1269 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
1270 LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
1271 posix_acl_to_xattr_user_namespace, [
1272 #include <linux/fs.h>
1273 #include <linux/posix_acl_xattr.h>
1275 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1277 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1278 [posix_acl_to_xattr takes struct user_namespace])
1280 ]) # LC_HAVE_POSIXACL_USER_NS
1283 # LC_HAVE_FILE_F_INODE
1285 # 3.8 struct file has new member f_inode
1287 AC_DEFUN([LC_HAVE_FILE_F_INODE], [
1288 LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
1290 #include <linux/fs.h>
1292 ((struct file *)0)->f_inode = NULL;
1294 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1295 [struct file has member f_inode])
1297 ]) # LC_HAVE_FILE_F_INODE
1300 # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1302 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
1303 LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
1304 sunrpc_cache_pipe_upcall_3args, [
1305 #include <linux/sunrpc/cache.h>
1307 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1309 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1310 [sunrpc_cache_pipe_upcall takes 3 args])
1312 ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1315 # LC_HAVE_HLIST_FOR_EACH_3ARG
1317 # 3.9 uses hlist_for_each_entry with 3 args
1318 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1320 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
1321 LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
1322 hlist_for_each_entry_3args, [
1323 #include <linux/list.h>
1324 #include <linux/fs.h>
1326 struct hlist_head *head = NULL;
1327 struct inode *inode;
1329 hlist_for_each_entry(inode, head, i_hash) {
1333 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
1334 [hlist_for_each_entry has 3 args])
1336 ]) # LC_HAVE_HLIST_FOR_EACH_3ARG
1339 # LC_HAVE_BIO_END_SECTOR
1341 # 3.9 introduces bio_end_sector macro
1342 # f73a1c7d117d07a96d89475066188a2b79e53c48
1344 AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
1345 LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
1347 #include <linux/bio.h>
1351 bio_end_sector(&bio);
1353 AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
1354 [bio_end_sector is defined])
1356 ]) # LC_HAVE_BIO_END_SECTOR
1359 # LC_HAVE_REMOVE_PROC_SUBTREE
1361 # 3.10 introduced remove_proc_subtree
1363 AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
1364 LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
1365 remove_proc_subtree, [
1366 #include <linux/proc_fs.h>
1368 remove_proc_subtree(NULL, NULL);
1370 AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
1371 [remove_proc_subtree is defined])
1373 ]) # LC_HAVE_REMOVE_PROC_SUBTREE
1376 # LC_HAVE_PROC_REMOVE
1378 # 3.10 introduced proc_remove
1380 AC_DEFUN([LC_HAVE_PROC_REMOVE], [
1381 LB_CHECK_COMPILE([if 'proc_remove' is defined],
1383 #include <linux/proc_fs.h>
1387 AC_DEFINE(HAVE_PROC_REMOVE, 1,
1388 [proc_remove is defined])
1390 ]) # LC_HAVE_PROC_REMOVE
1393 # LC_BLKDEV_RELEASE_RETURN_INT
1395 # 3.10 release for block device doesn't return int
1397 AC_DEFUN([LC_BLKDEV_RELEASE_RETURN_INT], [
1398 LB_CHECK_COMPILE([if 'block_device_operations' release returns 'int'],
1399 block_device_ops_release_return_int, [
1400 #include <linux/blkdev.h>
1402 struct block_device_operations fops;
1403 int i __attribute__ ((unused));
1405 i = fops.release(NULL, 0);
1407 AC_DEFINE(HAVE_BLKDEV_RELEASE_RETURN_INT, 1,
1408 [block device release returns int])
1410 ]) # LC_BLKDEV_RELEASE_RETURN_INT
1413 # LC_INVALIDATE_RANGE
1415 # 3.11 invalidatepage requires the length of the range to invalidate
1417 AC_DEFUN([LC_INVALIDATE_RANGE], [
1418 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1419 address_space_ops_invalidatepage_3args, [
1420 #include <linux/fs.h>
1422 struct address_space_operations a_ops;
1423 a_ops.invalidatepage(NULL, 0, 0);
1425 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1426 [address_space_operations.invalidatepage needs 3 arguments])
1428 ]) # LC_INVALIDATE_RANGE
1431 # LC_HAVE_DIR_CONTEXT
1433 # 3.11 readdir now takes the new struct dir_context
1435 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1436 LB_CHECK_COMPILE([if 'dir_context' exist],
1438 #include <linux/fs.h>
1440 struct dir_context ctx;
1443 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
1444 [dir_context exist])
1446 ]) # LC_HAVE_DIR_CONTEXT
1449 # LC_D_COMPARE_5ARGS
1451 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1453 AC_DEFUN([LC_D_COMPARE_5ARGS], [
1454 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
1456 #include <linux/dcache.h>
1458 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1460 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1461 [d_compare need 5 arguments])
1463 ]) # LC_D_COMPARE_5ARGS
1468 # 3.11 need to access d_count to get dentry reference count
1470 AC_DEFUN([LC_HAVE_DCOUNT], [
1471 LB_CHECK_COMPILE([if 'd_count' exist],
1473 #include <linux/dcache.h>
1478 AC_DEFINE(HAVE_D_COUNT, 1,
1484 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1486 # 3.12 truncate_pagecache without oldsize parameter
1488 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1489 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1490 truncate_pagecache_old_size, [
1491 #include <linux/mm.h>
1493 truncate_pagecache(NULL, 0, 0);
1495 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1498 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1501 # LC_HAVE_DENTRY_D_U_D_ALIAS
1503 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1505 # Some distros move d_alias to d_u but it is still a struct list
1507 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1508 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1509 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1511 #include <linux/list.h>
1512 #include <linux/dcache.h>
1515 INIT_LIST_HEAD(&de.d_u.d_alias);
1517 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1518 [list dentry.d_u.d_alias exist])
1521 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1523 #include <linux/list.h>
1524 #include <linux/dcache.h>
1527 INIT_HLIST_NODE(&de.d_u.d_alias);
1529 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1530 [hlist dentry.d_u.d_alias exist])
1533 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1536 # LC_HAVE_DENTRY_D_CHILD
1538 # 3.11 kernel d_child has been moved out of the union d_u
1541 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1542 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1544 #include <linux/list.h>
1545 #include <linux/dcache.h>
1548 INIT_LIST_HEAD(&de.d_child);
1550 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1551 [dentry.d_child exist])
1553 ]) # LC_HAVE_DENTRY_D_CHILD
1558 # 3.12 ki_left removed from struct kiocb
1560 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1561 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1563 #include <linux/aio.h>
1565 ((struct kiocb*)0)->ki_left = 0;
1567 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1570 ]) # LC_KIOCB_KI_LEFT
1573 # LC_VFS_RENAME_5ARGS
1575 # 3.13 has vfs_rename with 5 args
1577 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1578 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1580 #include <linux/fs.h>
1582 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1584 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1585 [kernel has vfs_rename with 5 args])
1587 ]) # LC_VFS_RENAME_5ARGS
1590 # LC_VFS_UNLINK_3ARGS
1592 # 3.13 has vfs_unlink with 3 args
1594 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1595 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1597 #include <linux/fs.h>
1599 vfs_unlink(NULL, NULL, NULL);
1601 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1602 [kernel has vfs_unlink with 3 args])
1604 ]) # LC_VFS_UNLINK_3ARGS
1609 # 3.14 move some of its data in struct bio into the new
1612 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1613 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1615 #include <linux/bio.h>
1617 struct bvec_iter iter;
1618 iter.bi_bvec_done = 0;
1620 AC_DEFINE(HAVE_BVEC_ITER, 1,
1621 [kernel has struct bvec_iter])
1623 ]) # LC_HAVE_BVEC_ITER
1626 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1628 # 3.14 bring truncate_inode_pages_final for evict_inode
1630 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1631 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1632 truncate_ipages_final, [
1633 #include <linux/mm.h>
1635 truncate_inode_pages_final(NULL);
1637 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1638 [kernel has truncate_inode_pages_final])
1640 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1643 # LC_VFS_RENAME_6ARGS
1645 # 3.15 has vfs_rename with 6 args
1647 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1648 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1650 #include <linux/fs.h>
1652 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1654 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1655 [kernel has vfs_rename with 6 args])
1657 ]) # LC_VFS_RENAME_6ARGS
1660 # LC_DIRECTIO_USE_ITER
1662 # 3.16 kernel changes direct IO to use iov_iter
1664 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1665 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1667 #include <linux/fs.h>
1669 struct address_space_operations ops;
1670 struct iov_iter *iter = NULL;
1673 ops.direct_IO(0, NULL, iter, offset);
1675 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1676 [direct IO uses iov_iter])
1678 ]) # LC_DIRECTIO_USE_ITER
1681 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1684 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1685 # changed iov_iter_init api to start accepting a tag
1686 # that defines if its a read or write operation
1688 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1689 tmp_flags="$EXTRA_KCFLAGS"
1690 EXTRA_KCFLAGS="-Werror"
1691 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1693 #include <linux/uio.h>
1694 #include <linux/fs.h>
1696 const struct iovec *iov = NULL;
1698 iov_iter_init(NULL, READ, iov, 1, 0);
1700 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1701 [iov_iter_init handles directional tag])
1703 EXTRA_KCFLAGS="$tmp_flags"
1704 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1707 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1709 # 3.16 introduces [read|write]_iter to struct file_operations
1711 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1712 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1713 file_function_iter, [
1714 #include <linux/fs.h>
1716 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1717 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1719 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1720 [file_operations.[read|write]_iter functions exist])
1722 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1727 # 3.17 replaces key_type::match with match_preparse
1728 # and has new struct key_match_data
1730 AC_DEFUN([LC_KEY_MATCH_DATA], [
1731 LB_CHECK_COMPILE([if struct key_match field exist],
1733 #include <linux/key-type.h>
1735 struct key_match_data data;
1737 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
1738 [struct key_match_data exist])
1740 ]) # LC_KEY_MATCH_DATA
1743 # LC_NFS_FILLDIR_USE_CTX
1745 # 3.18 kernel moved from void cookie to struct dir_context
1747 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1748 tmp_flags="$EXTRA_KCFLAGS"
1749 EXTRA_KCFLAGS="-Werror"
1750 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
1752 #include <linux/fs.h>
1754 int filldir(struct dir_context *ctx, const char* name,
1755 int i, loff_t off, u64 tmp, unsigned temp)
1760 struct dir_context ctx = {
1764 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1766 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1767 [filldir_t needs struct dir_context as argument])
1769 EXTRA_KCFLAGS="$tmp_flags"
1770 ]) # LC_NFS_FILLDIR_USE_CTX
1773 # LC_PERCPU_COUNTER_INIT
1775 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1776 # to pass a GFP_* memory allocation flag for internal
1777 # memory allocation purposes.
1779 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1780 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
1781 percpu_counter_init, [
1782 #include <linux/percpu_counter.h>
1784 percpu_counter_init(NULL, 0, GFP_KERNEL);
1786 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1787 [percpu_counter_init uses GFP_* flag])
1789 ]) # LC_PERCPU_COUNTER_INIT
1792 # LC_KIOCB_HAS_NBYTES
1794 # 3.19 kernel removed ki_nbytes from struct kiocb
1796 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1797 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
1799 #include <linux/fs.h>
1805 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1807 ]) # LC_KIOCB_HAS_NBYTES
1810 # LC_BACKING_DEV_INFO_REMOVAL
1812 # 3.20 kernel removed backing_dev_info from address_space
1814 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
1815 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
1817 #include <linux/fs.h>
1819 struct address_space mapping;
1821 mapping.backing_dev_info = NULL;
1823 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
1825 ]) # LC_BACKING_DEV_INFO_REMOVAL
1828 # LC_HAVE_BDI_CAP_MAP_COPY
1830 # 3.20 removed mmap handling for backing devices since
1831 # it breaks on non-MMU systems. See kernel commit
1832 # b4caecd48005fbed3949dde6c1cb233142fd69e9
1834 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
1835 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
1837 #include <linux/backing-dev.h>
1839 struct backing_dev_info info;
1841 info.capabilities = BDI_CAP_MAP_COPY;
1843 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
1844 [BDI_CAP_MAP_COPY exist])
1846 ]) # LC_HAVE_BDI_CAP_MAP_COPY
1849 # LC_CANCEL_DIRTY_PAGE
1851 # 4.0.0 kernel removed cancel_dirty_page
1853 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
1854 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
1855 cancel_dirty_page, [
1856 #include <linux/mm.h>
1858 cancel_dirty_page(NULL, PAGE_SIZE);
1860 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
1861 [cancel_dirty_page is still available])
1863 ]) # LC_CANCEL_DIRTY_PAGE
1868 # 4.1 kernel has iov_iter_rw
1870 AC_DEFUN([LC_IOV_ITER_RW], [
1871 LB_CHECK_COMPILE([if iov_iter_rw exist],
1873 #include <linux/fs.h>
1874 #include <linux/uio.h>
1876 struct iov_iter *iter = NULL;
1880 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
1881 [iov_iter_rw exist])
1886 # LC_HAVE_SYNC_READ_WRITE
1888 # 4.1 new_sync_[read|write] no longer exported
1890 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
1891 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
1892 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
1893 [new_sync_[read|write] is exported by the kernel])])
1894 ]) # LC_HAVE_SYNC_READ_WRITE
1897 # LC_NEW_CANCEL_DIRTY_PAGE
1899 # 4.2 kernel has new cancel_dirty_page
1901 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
1902 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
1903 new_cancel_dirty_page, [
1904 #include <linux/mm.h>
1906 cancel_dirty_page(NULL);
1908 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
1909 [cancel_dirty_page with one arguement is available])
1911 ]) # LC_NEW_CANCEL_DIRTY_PAGE
1914 # LC_SYMLINK_OPS_USE_NAMEIDATA
1916 # For the 4.2+ kernels the file system internal symlink api no
1917 # longer uses struct nameidata as a argument
1919 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
1920 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
1921 symlink_use_nameidata, [
1922 #include <linux/namei.h>
1923 #include <linux/fs.h>
1925 struct nameidata *nd = NULL;
1927 ((struct inode_operations *)0)->follow_link(NULL, nd);
1928 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
1930 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
1931 [symlink inode operations need struct nameidata argument])
1933 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
1936 # LC_BIO_ENDIO_USES_ONE_ARG
1938 # 4.2 kernel bio_endio now only takes one argument
1940 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
1941 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
1943 #include <linux/bio.h>
1947 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
1948 [bio_endio takes only one argument])
1950 ]) # LC_BIO_ENDIO_USES_ONE_ARG
1953 # LC_HAVE_LOOP_CTL_GET_FREE
1955 # 4.x kernel have moved userspace APIs to
1956 # the separate directory and all of them
1957 # support LOOP_CTL_GET_FREE
1959 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
1960 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
1961 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
1962 LOOP_CTL_GET_FREE, [
1963 #include <linux/loop.h>
1967 i = LOOP_CTL_GET_FREE;
1969 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
1970 [LOOP_CTL_GET_FREE exist])
1973 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
1974 [kernel has LOOP_CTL_GET_FREE])
1976 ]) # LC_HAVE_LOOP_CTL_GET_FREE
1979 # LC_HAVE_CACHE_HEAD_HLIST
1981 # 4.3 kernel swiched to hlist for cache_head
1983 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
1984 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
1985 cache_head_has_hlist, [
1986 #include <linux/sunrpc/cache.h>
1988 do {} while(sizeof(((struct cache_head *)0)->cache_list));
1990 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
1991 [cache_head has hlist cache_list])
1993 ]) # LC_HAVE_CACHE_HEAD_HLIST
1996 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
1998 # 4.4 kernel have moved locks API users to
1999 # locks_lock_inode_wait()
2001 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2002 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2003 locks_lock_file_wait, [
2004 #include <linux/fs.h>
2006 locks_lock_file_wait(NULL, NULL);
2008 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2009 [kernel has locks_lock_file_wait])
2011 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2014 # LC_HAVE_QC_MAKE_REQUEST_FN
2016 # 4.4 request_queue.make_request_fn defined as function returns with blk_qc_t
2017 # see kernel commit dece16353ef47d8d33f5302bc158072a9d65e26f
2019 AC_DEFUN([LC_HAVE_QC_MAKE_REQUEST_FN], [
2020 LB_CHECK_COMPILE([if 'request_queue.make_request_fn' returns blk_qc_t],
2021 make_request_fn_blk_qc_t, [
2022 #include <linux/blkdev.h>
2025 make_request_fn *mrf;
2026 ret = mrf(NULL, NULL);
2028 AC_DEFINE(HAVE_QC_MAKE_REQUEST_FN, 1,
2029 [request_queue.make_request_fn returns blk_qc_t])
2031 ]) # LC_HAVE_QC_MAKE_REQUEST_FN
2034 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2036 # 4.4 kernel merged type-specific data with the payload data for keys
2038 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2039 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2040 key_payload_data_array, [
2041 #include <linux/key.h>
2043 ((struct key *)0)->payload.data[0] = NULL;
2045 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2047 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2052 # Lustre linux kernel checks
2054 AC_DEFUN([LC_PROG_LINUX], [
2055 AC_MSG_NOTICE([Lustre kernel checks
2056 ==============================================================================])
2060 LC_CONFIG_HEALTH_CHECK_WRITE
2061 LC_CONFIG_LRU_RESIZE
2062 LC_LLITE_LLOOP_MODULE
2064 LC_GLIBC_SUPPORT_FHANDLES
2069 LC_BLK_QUEUE_MAX_SEGMENTS
2072 LC_HAVE_DQUOT_FS_DISK_QUOTA
2073 LC_HAVE_DQUOT_SUSPEND
2074 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
2078 LC_EXPORT_SIMPLE_SETATTR
2079 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
2083 LC_SBOPS_EVICT_INODE
2089 LC_BLKDEV_GET_BY_DEV
2090 LC_GENERIC_PERMISSION
2097 LC_REQUEST_QUEUE_UNPLUG_FN
2098 LC_HAVE_FHANDLE_SYSCALLS
2099 LC_HAVE_FSTYPE_MOUNT
2101 LC_HAVE_INODE_OWNER_OR_CAPABLE
2102 LC_HAVE_SECURITY_IINITSEC
2105 LC_DIRTY_INODE_WITH_FLAG
2108 LC_LM_XXX_LOCK_MANAGER_OPS
2112 LC_INODE_PERMISION_2ARGS
2113 LC_RADIX_EXCEPTION_ENTRY
2114 LC_HAVE_LOOP_CTL_GET_FREE
2117 LC_HAVE_VOID_MAKE_REQUEST_FN
2118 LC_HAVE_PROTECT_I_NLINK
2121 LC_HAVE_MIGRATE_HEADER
2122 LC_MIGRATEPAGE_4ARGS
2123 LC_SUPEROPS_USE_DENTRY
2124 LC_INODEOPS_USE_UMODE_T
2125 LC_HAVE_CACHE_REGISTER
2129 LC_KMAP_ATOMIC_HAS_1ARG
2133 LC_HAVE_ENCODE_FH_PARENT
2134 LC_FILE_LLSEEK_SIZE_5ARG
2137 LC_DATA_FOR_LLITE_IS_LIST
2138 LC_DENTRY_OPEN_USE_PATH
2139 LC_HAVE_IOP_ATOMIC_OPEN
2140 LC_HAVE_SB_START_WRITE
2143 LC_HAVE_POSIXACL_USER_NS
2146 LC_HAVE_FILE_F_INODE
2147 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
2150 LC_HAVE_HLIST_FOR_EACH_3ARG
2151 LC_HAVE_BIO_END_SECTOR
2154 LC_BLKDEV_RELEASE_RETURN_INT
2155 LC_HAVE_REMOVE_PROC_SUBTREE
2163 LC_HAVE_DENTRY_D_U_D_ALIAS
2164 LC_HAVE_DENTRY_D_CHILD
2167 LC_OLDSIZE_TRUNCATE_PAGECACHE
2176 LC_HAVE_TRUNCATE_IPAGES_FINAL
2182 LC_DIRECTIO_USE_ITER
2183 LC_HAVE_IOV_ITER_INIT_DIRECTION
2184 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2190 LC_PERCPU_COUNTER_INIT
2191 LC_NFS_FILLDIR_USE_CTX
2197 LC_BACKING_DEV_INFO_REMOVAL
2198 LC_HAVE_BDI_CAP_MAP_COPY
2201 LC_CANCEL_DIRTY_PAGE
2205 LC_HAVE_SYNC_READ_WRITE
2208 LC_NEW_CANCEL_DIRTY_PAGE
2209 LC_BIO_ENDIO_USES_ONE_ARG
2210 LC_SYMLINK_OPS_USE_NAMEIDATA
2213 LC_HAVE_CACHE_HEAD_HLIST
2216 LC_HAVE_LOCKS_LOCK_FILE_WAIT
2217 LC_HAVE_QC_MAKE_REQUEST_FN
2218 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2221 AS_IF([test "x$enable_server" != xno], [
2222 LC_FUNC_DEV_SET_RDONLY
2232 # Check whether to build the client side of Lustre
2234 AC_DEFUN([LC_CONFIG_CLIENT], [
2235 AC_MSG_CHECKING([whether to build Lustre client support])
2236 AC_ARG_ENABLE([client],
2237 AC_HELP_STRING([--disable-client],
2238 [disable Lustre client support]),
2239 [], [enable_client="yes"])
2240 AC_MSG_RESULT([$enable_client])
2241 ]) # LC_CONFIG_CLIENT
2246 AC_DEFUN([LB_CONFIG_MPITESTS], [
2247 AC_ARG_ENABLE([mpitests],
2248 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2249 [include mpi tests]), [
2250 enable_mpitests="yes"
2253 MPICC_WRAPPER="mpicc"
2256 enable_mpitests="no"
2259 MPICC_WRAPPER=$enableval
2263 enable_mpitests="yes"
2264 MPICC_WRAPPER="mpicc"
2267 if test "x$enable_mpitests" != "xno"; then
2270 AC_CACHE_CHECK([whether mpitests can be built],
2271 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2275 MPI_Initialized(&flag);
2278 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2280 enable_mpitests=$lb_cv_mpi_tests
2283 AC_SUBST(MPICC_WRAPPER)
2284 ]) # LB_CONFIG_MPITESTS
2289 # whether to enable quota support global control
2291 AC_DEFUN([LC_CONFIG_QUOTA], [
2292 AC_MSG_CHECKING([whether to enable quota support global control])
2293 AC_ARG_ENABLE([quota],
2294 AC_HELP_STRING([--enable-quota],
2295 [enable quota support]),
2296 [], [enable_quota="yes"])
2297 AS_IF([test "x$enable_quota" = xyes],
2298 [AC_MSG_RESULT([yes])],
2299 [AC_MSG_RESULT([no])])
2300 ]) # LC_CONFIG_QUOTA
2305 AC_DEFUN([LC_QUOTA], [
2309 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2310 AC_CHECK_HEADER([sys/quota.h],
2311 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2312 [Define to 1 if you have <sys/quota.h>.])],
2313 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2318 # LC_CONFIG_NODEMAP_PROC_DEBUG
2320 # enable nodemap proc file debugging
2322 AC_DEFUN([LC_NODEMAP_PROC_DEBUG], [
2323 AC_MSG_CHECKING([whether to enable nodemap proc debug])
2324 AC_ARG_ENABLE([nodemap_proc_debug],
2325 AC_HELP_STRING([--enable-nodemap-proc-debug],
2326 [enable nodemap proc debug]),
2327 [], [enable_nodemap_proc_debug="no"])
2328 AC_MSG_RESULT([$enable_nodemap_proc_debug])
2329 AS_IF([test "x$enable_nodemap_proc_debug" != xno],
2330 [AC_DEFINE(NODEMAP_PROC_DEBUG, 1,
2331 [enable nodemap proc debug support])])
2332 ]) # LC_NODEMAP_PROC_DEBUG
2335 # LC_LLITE_LLOOP_MODULE
2337 # lloop_llite.ko does not currently work with page sizes
2340 AC_DEFUN([LC_LLITE_LLOOP_MODULE], [
2341 LB_CHECK_COMPILE([whether to enable 'llite_lloop' module],
2342 enable_llite_lloop_module, [
2343 #include <asm/page.h>
2345 #if PAGE_SIZE >= 65536
2346 #error "PAGE_SIZE >= 65536"
2349 [enable_llite_lloop_module="yes"],
2350 [enable_llite_lloop_module="no"])
2351 ]) # LC_LLITE_LLOOP_MODULE
2356 # configure support for optional OSD implementation
2358 AC_DEFUN([LC_OSD_ADDON], [
2359 AC_MSG_CHECKING([whether to use OSD addon])
2361 AC_HELP_STRING([--with-osd=path],
2362 [set path to optional osd]),
2369 OSDADDON="$with_osd"
2376 AS_IF([test $ENABLEOSDADDON -eq 0], [
2380 OSDMODNAME=$(basename $OSDADDON)
2381 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2382 AC_MSG_RESULT([can't link])
2384 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2385 AC_MSG_RESULT([$OSDMODNAME])
2386 OSDADDON="subdir-m += $OSDMODNAME"
2388 AC_MSG_RESULT([can't link])
2398 # other configure checks
2400 AC_DEFUN([LC_CONFIGURE], [
2401 AC_MSG_NOTICE([Lustre core checks
2402 ==============================================================================])
2404 LC_CONFIG_OBD_BUFFER_SIZE
2406 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2407 [CFLAGS="$CFLAGS -Wall -Werror"])
2409 # maximum MDS thread count
2412 # lustre/utils/gss/gss_util.c
2413 # lustre/utils/gss/gssd_proc.c
2414 # lustre/utils/gss/krb5_util.c
2415 # lustre/utils/llog_reader.c
2416 # lustre/utils/create_iam.c
2417 # lustre/utils/libiam.c
2418 AC_CHECK_HEADERS([netdb.h endian.h])
2419 AC_CHECK_FUNCS([gethostbyname])
2421 # lustre/utils/llverdev.c
2422 AC_CHECK_HEADERS([blkid/blkid.h])
2424 # lustre/utils/llverfs.c
2425 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2428 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2429 [AC_CHECK_HEADERS([selinux/selinux.h],
2430 [SELINUX="-lselinux"
2431 AC_DEFINE([HAVE_SELINUX], 1,
2432 [support for selinux ])],
2435 No libselinux-devel package found, unable to build selinux enabled tools
2440 No selinux package found, unable to build selinux enabled tools
2446 AC_MSG_CHECKING([whether to report minimum OST free space])
2447 AC_ARG_ENABLE([mindf],
2448 AC_HELP_STRING([--enable-mindf],
2449 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2450 [], [enable_mindf="no"])
2451 AC_MSG_RESULT([$enable_mindf])
2452 AS_IF([test "$enable_mindf" = "yes"],
2453 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2455 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2456 AC_ARG_ENABLE([fail_alloc],
2457 AC_HELP_STRING([--disable-fail-alloc],
2458 [disable randomly alloc failure]),
2459 [], [enable_fail_alloc="yes"])
2460 AC_MSG_RESULT([$enable_fail_alloc])
2461 AS_IF([test "x$enable_fail_alloc" != xno],
2462 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2463 [enable randomly alloc failure])])
2465 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2466 AC_ARG_ENABLE([invariants],
2467 AC_HELP_STRING([--enable-invariants],
2468 [enable invariant checking (cpu intensive)]),
2469 [], [enable_invariants="no"])
2470 AC_MSG_RESULT([$enable_invariants])
2471 AS_IF([test "x$enable_invariants" = xyes],
2472 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2473 [enable invariant checking])])
2475 AC_MSG_CHECKING([whether to track references with lu_ref])
2476 AC_ARG_ENABLE([lu_ref],
2477 AC_HELP_STRING([--enable-lu_ref],
2478 [enable lu_ref reference tracking code]),
2479 [], [enable_lu_ref="no"])
2480 AC_MSG_RESULT([$enable_lu_ref])
2481 AS_IF([test "x$enable_lu_ref" = xyes],
2482 [AC_DEFINE([USE_LU_REF], 1,
2483 [enable lu_ref reference tracking code])])
2485 AC_MSG_CHECKING([whether to enable page state tracking])
2486 AC_ARG_ENABLE([pgstate-track],
2487 AC_HELP_STRING([--enable-pgstate-track],
2488 [enable page state tracking]),
2489 [], [enable_pgstat_track="no"])
2490 AC_MSG_RESULT([$enable_pgstat_track])
2491 AS_IF([test "x$enable_pgstat_track" = xyes],
2492 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2493 [enable page state tracking code])])
2499 # AM_CONDITIONALS for lustre
2501 AC_DEFUN([LC_CONDITIONALS], [
2502 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2503 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2504 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2505 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2506 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2507 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2508 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2509 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2510 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2511 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2512 AM_CONDITIONAL(LLITE_LLOOP, test x$enable_llite_lloop_module = xyes)
2513 ]) # LC_CONDITIONALS
2518 # files that should be generated with AC_OUTPUT
2520 AC_DEFUN([LC_CONFIG_FILES],
2524 lustre/autoconf/Makefile
2525 lustre/conf/Makefile
2526 lustre/contrib/Makefile
2528 lustre/include/Makefile
2529 lustre/include/lustre/Makefile
2530 lustre/kernel_patches/targets/3.10-rhel7.target
2531 lustre/kernel_patches/targets/2.6-rhel6.8.target
2532 lustre/kernel_patches/targets/2.6-rhel6.7.target
2533 lustre/kernel_patches/targets/2.6-rhel6.6.target
2534 lustre/kernel_patches/targets/2.6-rhel6.target
2535 lustre/kernel_patches/targets/2.6-rhel5.target
2536 lustre/kernel_patches/targets/2.6-sles11.target
2537 lustre/kernel_patches/targets/3.0-sles11.target
2538 lustre/kernel_patches/targets/3.0-sles11sp3.target
2539 lustre/kernel_patches/targets/3.0-sles11sp4.target
2540 lustre/kernel_patches/targets/3.12-sles12.target
2541 lustre/kernel_patches/targets/2.6-fc11.target
2542 lustre/kernel_patches/targets/2.6-fc12.target
2543 lustre/kernel_patches/targets/2.6-fc15.target
2544 lustre/kernel_patches/targets/3.x-fc18.target
2545 lustre/ldlm/Makefile
2547 lustre/fid/autoMakefile
2548 lustre/llite/Makefile
2549 lustre/llite/autoMakefile
2551 lustre/lov/autoMakefile
2553 lustre/mdc/autoMakefile
2555 lustre/lmv/autoMakefile
2556 lustre/lfsck/Makefile
2557 lustre/lfsck/autoMakefile
2559 lustre/mdt/autoMakefile
2561 lustre/mdd/autoMakefile
2563 lustre/fld/autoMakefile
2564 lustre/obdclass/Makefile
2565 lustre/obdclass/autoMakefile
2566 lustre/obdclass/linux/Makefile
2567 lustre/obdecho/Makefile
2568 lustre/obdecho/autoMakefile
2570 lustre/ofd/autoMakefile
2572 lustre/osc/autoMakefile
2574 lustre/ost/autoMakefile
2575 lustre/osd-ldiskfs/Makefile
2576 lustre/osd-ldiskfs/autoMakefile
2577 lustre/osd-zfs/Makefile
2578 lustre/osd-zfs/autoMakefile
2580 lustre/mgc/autoMakefile
2582 lustre/mgs/autoMakefile
2583 lustre/target/Makefile
2584 lustre/ptlrpc/Makefile
2585 lustre/ptlrpc/autoMakefile
2586 lustre/ptlrpc/gss/Makefile
2587 lustre/ptlrpc/gss/autoMakefile
2588 lustre/quota/Makefile
2589 lustre/quota/autoMakefile
2590 lustre/scripts/Makefile
2591 lustre/tests/Makefile
2592 lustre/tests/mpi/Makefile
2593 lustre/utils/Makefile
2594 lustre/utils/gss/Makefile
2596 lustre/osp/autoMakefile
2598 lustre/lod/autoMakefile
2600 ]) # LC_CONFIG_FILES