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_GSS_KEYRING
220 # default 'auto', tests for dependencies, if found, enables;
221 # only called if gss is enabled
223 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
224 AC_MSG_CHECKING([whether to enable gss keyring backend])
225 AC_ARG_ENABLE([gss_keyring],
226 [AC_HELP_STRING([--disable-gss-keyring],
227 [disable gss keyring backend])],
228 [], [enable_gss_keyring="auto"])
229 AC_MSG_RESULT([$enable_gss_keyring])
230 AS_IF([test "x$enable_gss_keyring" != xno], [
231 LB_CHECK_CONFIG_IM([KEYS], [], [
232 gss_keyring_conf_test="fail"
233 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
235 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
236 gss_keyring_conf_test="fail"
237 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
239 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
240 AC_DEFINE([HAVE_GSS_KEYRING], [1],
241 [Define this if you enable gss keyring backend])
242 enable_gss_keyring="yes"
244 AS_IF([test "x$enable_gss_keyring" = xyes], [
245 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
249 ]) # LC_CONFIG_GSS_KEYRING
252 # LC_HAVE_CRED_TGCRED
254 # rhel7 struct cred has no member tgcred
256 AC_DEFUN([LC_HAVE_CRED_TGCRED], [
257 LB_CHECK_COMPILE([if 'struct cred' has member 'tgcred'],
259 #include <linux/cred.h>
261 ((struct cred *)0)->tgcred = NULL;
263 AC_DEFINE(HAVE_CRED_TGCRED, 1,
264 [struct cred has member tgcred])
266 ]) # LC_HAVE_CRED_TGCRED
269 # LC_KEY_TYPE_INSTANTIATE_2ARGS
271 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
273 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
274 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
275 key_type_instantiate_2args, [
276 #include <linux/key-type.h>
278 ((struct key_type *)0)->instantiate(0, NULL);
280 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
281 [key_type->instantiate has two args])
283 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
288 AC_DEFUN([LC_CONFIG_SUNRPC], [
289 LB_CHECK_CONFIG_IM([SUNRPC], [], [
290 AS_IF([test "x$sunrpc_required" = xyes], [
293 kernel SUNRPC support is required by using GSS.
296 ]) # LC_CONFIG_SUNRPC
299 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
301 # Build gss and related tools of Lustre. Currently both kernel and user space
302 # parts are depend on linux platform.
304 AC_DEFUN([LC_CONFIG_GSS], [
305 AC_MSG_CHECKING([whether to enable gss support])
307 [AC_HELP_STRING([--enable-gss], [enable gss support])],
308 [], [enable_gss="auto"])
309 AC_MSG_RESULT([$enable_gss])
311 AS_IF([test "x$enable_gss" != xno], [
312 LC_CONFIG_GSS_KEYRING
314 LC_KEY_TYPE_INSTANTIATE_2ARGS
315 sunrpc_required=$enable_gss
319 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
320 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
321 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
322 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
323 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
324 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
325 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
326 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
328 require_krb5=$enable_gss
332 AS_IF([test -n "$KRBDIR"], [
333 gss_conf_test="success"
335 gss_conf_test="failure"
338 AS_IF([test "x$gss_conf_test" = xsuccess], [
339 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
345 enable_ssk=$enable_gss
351 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
352 AC_DEFUN([LC_OPENSSL_SSK], [
353 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
354 AS_IF([test "x$enable_ssk" != xno], [
355 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
356 #include <openssl/hmac.h>
357 #include <openssl/evp.h>
363 rc = HMAC_Init_ex(&ctx, "test", 4, EVP_md_null(), NULL);
365 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
366 [OpenSSL HMAC functions needed for SSK])],
369 AC_MSG_RESULT([$enable_ssk])
372 # LC_INODE_PERMISION_2ARGS
374 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
375 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
376 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
377 # v3.1 onward have a 2 arg version (inode, mask)
379 AC_DEFUN([LC_INODE_PERMISION_2ARGS], [
380 LB_CHECK_COMPILE([if 'inode_operations->permission' has two args],
381 inode_ops_permission_2args, [
382 #include <linux/fs.h>
384 struct inode *inode __attribute__ ((unused));
387 inode->i_op->permission(NULL, 0);
389 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
390 [inode_operations->permission has two args])
392 ]) # LC_INODE_PERMISION_2ARGS
395 # LC_BLK_QUEUE_MAX_SEGMENTS
397 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
399 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [
400 LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined],
401 blk_queue_max_segments, [
402 #include <linux/blkdev.h>
404 blk_queue_max_segments(NULL, 0);
406 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
407 [blk_queue_max_segments is defined])
409 ]) # LC_BLK_QUEUE_MAX_SEGMENTS
412 # LC_HAVE_DQUOT_FS_DISK_QUOTA
414 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
416 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], [
417 tmp_flags="$EXTRA_KCFLAGS"
418 EXTRA_KCFLAGS="-Werror"
419 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota],
421 #include <linux/fs.h>
422 #include <linux/quota.h>
424 ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
426 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
427 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
429 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota],
430 kqid_fs_disk_quota, [
431 #include <linux/fs.h>
432 #include <linux/quota.h>
434 ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
436 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
437 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
438 AC_DEFINE(HAVE_DQUOT_KQID, 1,
439 [quotactl_ops.set_dqblk takes struct kqid])
442 EXTRA_KCFLAGS="$tmp_flags"
443 ]) # LC_HAVE_DQUOT_FS_DISK_QUOTA
446 # LC_HAVE_DQUOT_SUSPEND
448 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
450 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [
451 LB_CHECK_COMPILE([if 'dquot_suspend' is defined],
453 #include <linux/quotaops.h>
455 dquot_suspend(NULL, -1);
457 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
459 ]) # LC_HAVE_DQUOT_SUSPEND
464 # Check if kernel has been patched for 64-bit quota limits support.
465 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
466 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
467 # that in the absence of quotaio_v1.h in the kernel headers.
469 AC_DEFUN([LC_QUOTA64], [
470 tmp_flags="$EXTRA_KCFLAGS"
471 EXTRA_KCFLAGS="-I$LINUX/fs"
472 LB_CHECK_COMPILE([if kernel has 64-bit quota limits support],
474 #include <linux/kernel.h>
475 #include <linux/fs.h>
476 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
477 #include <quota/quotaio_v2.h>
478 struct v2r1_disk_dqblk dqblk_r1;
480 #include <linux/quota.h>
481 int ver = QFMT_VFS_V1;
484 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
486 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],
487 [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])])
489 EXTRA_KCFLAGS=$tmp_flags
493 # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
495 # 2.6.34 adds __add_wait_queue_exclusive
497 AC_DEFUN([LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE], [
498 LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
499 __add_wait_queue_exclusive, [
500 #include <linux/wait.h>
502 wait_queue_head_t queue;
504 __add_wait_queue_exclusive(&queue, &wait);
506 AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
507 [__add_wait_queue_exclusive exists])
509 ]) # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
512 # LC_FS_STRUCT_RWLOCK
514 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
516 AC_DEFUN([LC_FS_STRUCT_RWLOCK], [
517 LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock],
519 #include <asm/atomic.h>
520 #include <linux/spinlock.h>
521 #include <linux/fs_struct.h>
523 ((struct fs_struct *)0)->lock = (rwlock_t){ 0 };
525 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock])
527 ]) # LC_FS_STRUCT_RWLOCK
530 # LC_SBOPS_EVICT_INODE
532 # 2.6.36 super_operations add evict_inode method. it hybird of
533 # delete_inode & clear_inode.
535 AC_DEFUN([LC_SBOPS_EVICT_INODE], [
536 LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist],
537 super_ops_evict_inode, [
538 #include <linux/fs.h>
540 ((struct super_operations *)0)->evict_inode(NULL);
542 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
543 [super_operations.evict_inode() is exist in kernel])
545 ]) # LC_SBOPS_EVICT_INODE
550 # 2.6.35 file_operations.fsync taken 2 arguments.
551 # 3.0.0 file_operations.fsync takes 4 arguments.
553 AC_DEFUN([LC_FILE_FSYNC], [
554 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 4 arguments],
555 file_ops_fsync_4args, [
556 #include <linux/fs.h>
558 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
560 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
561 [file_operations.fsync takes 4 arguments])
563 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 2 arguments],
564 file_ops_fsync_2args, [
565 #include <linux/fs.h>
567 ((struct file_operations *)0)->fsync(NULL, 0);
569 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
570 [file_operations.fsync takes 2 arguments])
578 # 2.6.37 remove kernel_locked
580 AC_DEFUN([LC_KERNEL_LOCKED], [
581 LB_CHECK_COMPILE([if 'kernel_locked' is defined],
583 #include <linux/smp_lock.h>
587 AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
589 ]) # LC_KERNEL_LOCKED
594 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
596 AC_DEFUN([LC_D_COMPARE_7ARGS], [
597 LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
598 dentry_ops_d_compare_7arg, [
599 #include <linux/dcache.h>
601 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
603 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
605 ]) # LC_D_COMPARE_7ARGS
610 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
612 AC_DEFUN([LC_D_DELETE_CONST], [
613 tmp_flags="$EXTRA_KCFLAGS"
614 EXTRA_KCFLAGS="-Werror"
615 LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
616 dentry_ops_d_delete_1st_const, [
617 #include <linux/dcache.h>
619 const struct dentry *d = NULL;
620 ((struct dentry_operations*)0)->d_delete(d);
622 AC_DEFINE(HAVE_D_DELETE_CONST, const,
623 [d_delete first parameter declared const])
625 AC_DEFINE(HAVE_D_DELETE_CONST, [],
626 [d_delete first parameter declared is not const])
628 EXTRA_KCFLAGS="$tmp_flags"
629 ]) # LC_D_DELETE_CONST
634 # 2.6.38 dcache_lock removed. rcu-walk committed.
636 AC_DEFUN([LC_DCACHE_LOCK], [
637 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
639 #include <linux/dcache.h>
641 spin_lock(&dcache_lock);
643 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
644 [dcache_lock is exist])
651 # 2.6.38 inode.i_rcu added.
653 AC_DEFUN([LC_INODE_I_RCU], [
654 LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
656 #include <linux/fs.h>
659 struct rcu_head rcu = {};
662 AC_DEFINE(HAVE_INODE_I_RCU, 1,
663 [inode.i_rcu exists])
668 # LC_BLKDEV_GET_BY_DEV
670 # 2.6.38 export blkdev_get_by_dev
672 AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
673 LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
674 [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
675 [blkdev_get_by_dev is exported by the kernel])])
676 ]) # LC_BLKDEV_GET_BY_DEV
679 # LC_EXPORT_SIMPLE_SETATTR
681 # 2.6.38 export simple_setattr
683 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
684 LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
685 [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
686 [simple_setattr is exported by the kernel])])
687 ]) # LC_EXPORT_SIMPLE_SETATTR
692 # 2.6.38 add struct blk_plug
694 AC_DEFUN([LC_HAVE_BLK_PLUG], [
695 LB_CHECK_COMPILE([if 'struct blk_plug' exists],
697 #include <linux/blkdev.h>
699 struct blk_plug plug;
701 blk_start_plug(&plug);
702 blk_finish_plug(&plug);
704 AC_DEFINE(HAVE_BLK_PLUG, 1,
705 [blk_plug struct exists])
707 ]) # LC_HAVE_BLK_PLUG
712 # truncate callback removed since 2.6.39
714 AC_DEFUN([LC_IOP_TRUNCATE], [
715 LB_CHECK_COMPILE([if 'inode_operations' has '.truncate' member function],
716 inode_ops_truncate, [
717 #include <linux/fs.h>
719 ((struct inode_operations *)0)->truncate(NULL);
721 AC_DEFINE(HAVE_INODEOPS_TRUNCATE, 1,
722 [inode_operations has .truncate member function])
727 # LC_REQUEST_QUEUE_UNPLUG_FN
729 # 2.6.39 remove unplug_fn from request_queue.
731 AC_DEFUN([LC_REQUEST_QUEUE_UNPLUG_FN], [
732 LB_CHECK_COMPILE([if 'request_queue' has 'unplug_fn' field],
733 request_queue_unplug_fn, [
734 #include <linux/blkdev.h>
736 do {} while(sizeof(((struct request_queue *)0)->unplug_fn));
738 AC_DEFINE(HAVE_REQUEST_QUEUE_UNPLUG_FN, 1,
739 [request_queue has unplug_fn field])
741 ]) # LC_REQUEST_QUEUE_UNPLUG_FN
744 # LC_HAVE_FSTYPE_MOUNT
746 # 2.6.39 replace get_sb with mount in struct file_system_type
748 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
749 LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
750 file_system_type_mount, [
751 #include <linux/fs.h>
753 struct file_system_type fst;
754 void *i = (void *) fst.mount;
756 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
757 [struct file_system_type has mount field])
759 ]) # LC_HAVE_FSTYPE_MOUNT
762 # LC_HAVE_FHANDLE_SYSCALLS
764 # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
765 # added to Linux kernel 2.6.39.
766 # Check if client supports these functions
768 AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
769 LB_CHECK_CONFIG_IM([FHANDLE],[
770 AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
771 [kernel supports fhandles and related syscalls])
773 ]) # LC_HAVE_FHANDLE_SYSCALLS
776 # LC_HAVE_INODE_OWNER_OR_CAPABLE
778 # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
780 AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
781 LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
782 inode_owner_or_capable, [
783 #include <linux/fs.h>
785 inode_owner_or_capable(NULL);
787 AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
788 [inode_owner_or_capable exist])
790 ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
793 # LC_DIRTY_INODE_WITH_FLAG
795 # 3.0 dirty_inode() has a flag parameter
796 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
798 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
799 LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
800 dirty_inode_super_operation_flag, [
801 #include <linux/fs.h>
804 inode->i_sb->s_op->dirty_inode(NULL, 0);
806 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
807 [dirty_inode super_operation takes flag])
809 ]) # LC_DIRTY_INODE_WITH_FLAG
814 # 3.0 introduced setns
816 AC_DEFUN([LC_SETNS], [
817 AC_CHECK_HEADERS([sched.h], [], [],
820 AC_CHECK_FUNCS([setns])
824 # LC_GENERIC_PERMISSION
826 # 2.6.38 generic_permission taken 4 parameters.
827 # in fact, it means rcu-walk aware permission bring.
829 # 3.1 generic_permission taken 2 parameters.
830 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
832 AC_DEFUN([LC_GENERIC_PERMISSION], [
833 LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
834 generic_permission_2args, [
835 #include <linux/fs.h>
837 generic_permission(NULL, 0);
839 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
840 [generic_permission taken 2 arguments])
842 LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
843 generic_permission_4args, [
844 #include <linux/fs.h>
846 generic_permission(NULL, 0, 0, NULL);
848 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
849 [generic_permission taken 4 arguments])
852 ]) # LC_GENERIC_PERMISSION
855 # LC_LM_XXX_LOCK_MANAGER_OPS
857 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
858 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
860 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
861 LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
862 lock_manager_ops_lm_xxx, [
863 #include <linux/fs.h>
865 struct lock_manager_operations lm_ops;
866 lm_ops.lm_compare_owner = NULL;
868 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
869 [lock-manager ops renamed to lm_xxx])
871 ]) # LC_LM_XXX_LOCK_MANAGER_OPS
876 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
878 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
880 AC_DEFUN([LC_INODE_DIO_WAIT], [
881 LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
883 #include <linux/fs.h>
885 inode_dio_wait((struct inode *)0);
887 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
888 [inode->i_alloc_sem is killed and use inode_dio_wait])
890 ]) # LC_INODE_DIO_WAIT
895 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
896 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
898 AC_DEFUN([LC_IOP_GET_ACL], [
899 LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
901 #include <linux/fs.h>
903 struct inode_operations iop;
906 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
907 [inode_operations has .get_acl member function])
912 # LC_FILE_LLSEEK_SIZE
914 # 3.1 introduced generic_file_llseek_size()
916 AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
917 LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
918 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
919 [generic_file_llseek_size is exported by the kernel])])
920 ]) # LC_FILE_LLSEEK_SIZE
923 # LC_RADIX_EXCEPTION_ENTRY
924 # 3.1 adds radix_tree_exception_entry.
926 AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
927 LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
928 radix_tree_exceptional_entry, [
929 #include <linux/radix-tree.h>
931 radix_tree_exceptional_entry(NULL);
933 AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
934 [radix_tree_exceptional_entry exist])
936 ]) # LC_RADIX_EXCEPTION_ENTRY
939 # LC_HAVE_VOID_MAKE_REQUEST_FN
941 # 3.2 request_queue.make_request_fn defined as function returns with void
942 # see kernel commit 5a7bbad27a410350e64a2d7f5ec18fc73836c14f
944 AC_DEFUN([LC_HAVE_VOID_MAKE_REQUEST_FN], [
945 LB_CHECK_COMPILE([if 'request_queue.make_request_fn' returns void but not int],
946 make_request_fn_void, [
947 #include <linux/blkdev.h>
950 make_request_fn *mrf;
951 ret = mrf(NULL, NULL);
953 AC_DEFINE(HAVE_VOID_MAKE_REQUEST_FN, 1,
954 [request_queue.make_request_fn returns void but not int])
956 ]) # LC_HAVE_VOID_MAKE_REQUEST_FN
959 # LC_HAVE_PROTECT_I_NLINK
961 # 3.2 protects inode->i_nlink from direct modification
962 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
963 # at the same time adds set_nlink(), so checks set_nlink() for it.
965 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
966 LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
967 inode_i_nlink_protected, [
968 #include <linux/fs.h>
973 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
974 [inode->i_nlink is protected from direct modification])
976 ]) # LC_HAVE_PROTECT_I_NLINK
979 # 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
981 # 3.2 security_inode_init_security takes a callback to set xattrs
983 AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
984 LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
985 security_inode_init_security_callback, [
986 #include <linux/security.h>
988 security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
990 AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
991 [security_inode_init_security takes a callback to set xattrs])
993 LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
994 security_inode_init_security_qstr, [
995 #include <linux/security.h>
997 security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
999 AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
1000 [security_inode_init_security takes a 'struct qstr' parameter])
1003 ]) # LC_HAVE_SECURITY_IINITSEC
1006 # LC_HAVE_MIGRATE_HEADER
1008 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1010 AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
1011 LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
1012 AC_DEFINE(HAVE_MIGRATE_H, 1,
1013 [kernel has include/linux/migrate.h])
1015 LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
1016 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1017 [kernel has include/linux/migrate_mode.h])
1020 ]) # LC_HAVE_MIGRATE_HEADER
1023 # LC_MIGRATEPAGE_4ARGS
1025 AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
1026 LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
1027 address_space_ops_migratepage_4args, [
1028 #include <linux/fs.h>
1029 #ifdef HAVE_MIGRATE_H
1030 #include <linux/migrate.h>
1031 #elif defined(HAVE_MIGRATE_MODE_H)
1032 #include <linux/migrate_mode.h>
1035 struct address_space_operations aops;
1036 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1038 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1039 [address_space_operations.migratepage has 4 args])
1041 ]) # LC_MIGRATEPAGE_4ARGS
1044 # LC_SUPEROPS_USE_DENTRY
1046 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1047 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1049 AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
1050 tmp_flags="$EXTRA_KCFLAGS"
1051 EXTRA_KCFLAGS="-Werror"
1052 LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
1054 #include <linux/fs.h>
1055 int show_options(struct seq_file *seq, struct dentry *root) {
1059 struct super_operations ops;
1060 ops.show_options = show_options;
1062 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1063 [super_operations use dentry as parameter])
1065 EXTRA_KCFLAGS="$tmp_flags"
1066 ]) # LC_SUPEROPS_USE_DENTRY
1069 # LC_INODEOPS_USE_UMODE_T
1071 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1072 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1074 AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
1075 tmp_flags="$EXTRA_KCFLAGS"
1076 EXTRA_KCFLAGS="-Werror"
1077 LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
1078 inode_ops_umode_t, [
1079 #include <linux/fs.h>
1080 #include <linux/types.h>
1081 int my_mknod(struct inode *dir, struct dentry *dchild,
1082 umode_t mode, dev_t dev)
1087 struct inode_operations ops;
1088 ops.mknod = my_mknod;
1090 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1091 [inode_operations use umode_t as parameter])
1093 EXTRA_KCFLAGS="$tmp_flags"
1094 ]) # LC_INODEOPS_USE_UMODE_T
1097 # LC_KMAP_ATOMIC_HAS_1ARG
1099 # 3.4 kmap_atomic removes second argument
1100 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1102 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
1103 LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
1105 #include <linux/highmem.h>
1109 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1110 [have kmap_atomic has only 1 argument])
1112 ]) # LC_KMAP_ATOMIC_HAS_1ARG
1115 # LC_HAVE_D_MAKE_ROOT
1117 # 3.4 converts d_alloc_root to d_make_root
1118 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1120 AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
1121 LB_CHECK_COMPILE([if have 'd_make_root'],
1123 #include <linux/fs.h>
1125 d_make_root((struct inode *)NULL);
1127 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1130 ]) # LC_HAVE_D_MAKE_ROOT
1133 # LC_HAVE_CACHE_REGISTER
1135 # 3.4 cache_register/cache_unregister are removed
1136 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1137 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1138 # are defined, but not exported.
1139 # 3.3 cache_register_net/cache_unregister_net are
1140 # exported and replacing cache_register/cache_unregister in 3.4
1142 AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
1143 LB_CHECK_COMPILE([if have 'cache_register'],
1145 #include <linux/sunrpc/cache.h>
1147 cache_register(NULL);
1149 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1150 [have cache_register])
1152 ]) # LC_HAVE_CACHE_REGISTER
1155 # LC_HAVE_CLEAR_INODE
1157 # 3.5 renames end_writeback() back to clear_inode()...
1158 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1160 AC_DEFUN([LC_HAVE_CLEAR_INODE], [
1161 LB_CHECK_COMPILE([if have 'clear_inode'],
1163 #include <linux/fs.h>
1165 clear_inode((struct inode *)NULL);
1167 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1170 ]) # LC_HAVE_CLEAR_INODE
1173 # LC_HAVE_ENCODE_FH_PARENT
1175 # 3.5 encode_fh has parent inode passed in directly
1176 # see kernel commit b0b0382b
1178 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
1179 tmp_flags="$EXTRA_KCFLAGS"
1180 EXTRA_KCFLAGS="-Werror"
1181 LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
1182 encode_fh_parent_inode, [
1183 #include <linux/exportfs.h>
1184 #include <linux/fs.h>
1185 #include <linux/types.h>
1186 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1191 struct export_operations exp_op;
1192 exp_op.encode_fh = ll_encode_fh;
1194 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1195 [have parent inode as parameter])
1197 EXTRA_KCFLAGS="$tmp_flags"
1198 ]) # LC_HAVE_ENCODE_FH_PARENT
1201 # LC_FILE_LLSEEK_SIZE_5ARG
1203 # 3.5 has generic_file_llseek_size with 5 args
1205 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
1206 LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
1207 generic_file_llseek_size_5args, [
1208 #include <linux/fs.h>
1210 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1212 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1213 [kernel has generic_file_llseek_size with 5 args])
1215 ]) # LC_FILE_LLSEEK_SIZE_5ARG
1218 # LC_LLITE_DATA_IS_LIST
1220 # 3.6 switch i_dentry/d_alias from list to hlist
1222 # In the upstream kernels d_alias first changes
1223 # to a hlist and then in later version, 3.11, gets
1224 # moved to the union d_u. Due to some distros having
1225 # d_alias in the d_u union as a struct list, which
1226 # has never existed upstream stream, we can't test
1227 # if d_alias is a list or hlist directly. If ever
1228 # i_dentry and d_alias even up different combos then
1229 # the build will fail. In that case then we will need
1230 # to separate out the i_dentry and d_alias test below.
1232 AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
1233 tmp_flags="$EXTRA_KCFLAGS"
1234 EXTRA_KCFLAGS="-Werror"
1235 LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
1236 i_dentry_d_alias_list, [
1237 #include <linux/fs.h>
1240 INIT_LIST_HEAD(&inode.i_dentry);
1242 AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
1243 [both i_dentry/d_alias uses list])
1245 EXTRA_KCFLAGS="$tmp_flags"
1246 ]) # LC_DATA_FOR_LLITE_IS_LIST
1249 # LC_DENTRY_OPEN_USE_PATH
1251 # 3.6 dentry_open uses struct path as first argument
1252 # see kernel commit 765927b2
1254 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
1255 tmp_flags="$EXTRA_KCFLAGS"
1256 EXTRA_KCFLAGS="-Werror"
1257 LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
1259 #include <linux/fs.h>
1260 #include <linux/path.h>
1263 dentry_open(&path, 0, NULL);
1265 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1266 [dentry_open uses struct path as first argument])
1268 EXTRA_KCFLAGS="$tmp_flags"
1269 ]) # LC_DENTRY_OPEN_USE_PATH
1272 # LC_HAVE_IOP_ATOMIC_OPEN
1274 # 3.6 vfs adds iop->atomic_open
1276 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
1277 LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
1278 inode_ops_atomic_open, [
1279 #include <linux/fs.h>
1281 struct inode_operations iop;
1282 iop.atomic_open = NULL;
1284 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1285 [have iop atomic_open])
1287 ]) # LC_HAVE_IOP_ATOMIC_OPEN
1290 # LC_HAVE_SB_START_WRITE
1292 # RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
1294 AC_DEFUN([LC_HAVE_SB_START_WRITE], [
1295 LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
1297 #include <linux/fs.h>
1299 sb_start_write(NULL);
1301 AC_DEFINE(HAVE_SB_START_WRITE, 1,
1302 [kernel supports wrapped FS freeze functions])
1304 ]) # LC_HAVE_SB_START_WRITE
1307 # LC_HAVE_POSIXACL_USER_NS
1309 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1311 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
1312 LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
1313 posix_acl_to_xattr_user_namespace, [
1314 #include <linux/fs.h>
1315 #include <linux/posix_acl_xattr.h>
1317 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1319 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1320 [posix_acl_to_xattr takes struct user_namespace])
1322 ]) # LC_HAVE_POSIXACL_USER_NS
1325 # LC_HAVE_FILE_F_INODE
1327 # 3.8 struct file has new member f_inode
1329 AC_DEFUN([LC_HAVE_FILE_F_INODE], [
1330 LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
1332 #include <linux/fs.h>
1334 ((struct file *)0)->f_inode = NULL;
1336 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1337 [struct file has member f_inode])
1339 ]) # LC_HAVE_FILE_F_INODE
1342 # LC_HAVE_FILE_INODE
1344 # 3.8 has introduced inline function file_inode
1346 AC_DEFUN([LC_HAVE_FILE_INODE], [
1347 LB_CHECK_COMPILE([if file_inode() exists],
1349 #include <linux/fs.h>
1353 AC_DEFINE(HAVE_FILE_INODE, 1,
1354 [file_inode() has been defined])
1356 ]) # LC_HAVE_FILE_INODE
1359 # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1361 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
1362 LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
1363 sunrpc_cache_pipe_upcall_3args, [
1364 #include <linux/sunrpc/cache.h>
1366 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1368 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1369 [sunrpc_cache_pipe_upcall takes 3 args])
1371 ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1374 # LC_HAVE_HLIST_FOR_EACH_3ARG
1376 # 3.9 uses hlist_for_each_entry with 3 args
1377 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1379 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
1380 LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
1381 hlist_for_each_entry_3args, [
1382 #include <linux/list.h>
1383 #include <linux/fs.h>
1385 struct hlist_head *head = NULL;
1386 struct inode *inode;
1388 hlist_for_each_entry(inode, head, i_hash) {
1392 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
1393 [hlist_for_each_entry has 3 args])
1395 ]) # LC_HAVE_HLIST_FOR_EACH_3ARG
1398 # LC_HAVE_BIO_END_SECTOR
1400 # 3.9 introduces bio_end_sector macro
1401 # f73a1c7d117d07a96d89475066188a2b79e53c48
1403 AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
1404 LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
1406 #include <linux/bio.h>
1410 bio_end_sector(&bio);
1412 AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
1413 [bio_end_sector is defined])
1415 ]) # LC_HAVE_BIO_END_SECTOR
1418 # 3.9 created is_sxid
1420 AC_DEFUN([LC_HAVE_IS_SXID], [
1421 LB_CHECK_COMPILE([if 'is_sxid' is defined],
1423 #include <linux/fs.h>
1427 is_sxid(inode.i_mode);
1429 AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
1431 ]) # LC_HAVE_IS_SXID
1434 # LC_HAVE_REMOVE_PROC_SUBTREE
1436 # 3.10 introduced remove_proc_subtree
1438 AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
1439 LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
1440 remove_proc_subtree, [
1441 #include <linux/proc_fs.h>
1443 remove_proc_subtree(NULL, NULL);
1445 AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
1446 [remove_proc_subtree is defined])
1448 ]) # LC_HAVE_REMOVE_PROC_SUBTREE
1451 # LC_HAVE_PROC_REMOVE
1453 # 3.10 introduced proc_remove
1455 AC_DEFUN([LC_HAVE_PROC_REMOVE], [
1456 LB_CHECK_COMPILE([if 'proc_remove' is defined],
1458 #include <linux/proc_fs.h>
1462 AC_DEFINE(HAVE_PROC_REMOVE, 1,
1463 [proc_remove is defined])
1465 ]) # LC_HAVE_PROC_REMOVE
1468 # LC_BLKDEV_RELEASE_RETURN_INT
1470 # 3.10 release for block device doesn't return int
1472 AC_DEFUN([LC_BLKDEV_RELEASE_RETURN_INT], [
1473 LB_CHECK_COMPILE([if 'block_device_operations' release returns 'int'],
1474 block_device_ops_release_return_int, [
1475 #include <linux/blkdev.h>
1477 struct block_device_operations fops;
1478 int i __attribute__ ((unused));
1480 i = fops.release(NULL, 0);
1482 AC_DEFINE(HAVE_BLKDEV_RELEASE_RETURN_INT, 1,
1483 [block device release returns int])
1485 ]) # LC_BLKDEV_RELEASE_RETURN_INT
1487 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1488 LB_CHECK_COMPILE([if get_projid exists],
1490 #include <linux/quota.h>
1492 struct dquot_operations ops;
1494 ops.get_projid(NULL, NULL);
1496 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1497 [get_projid function exists])
1499 ]) # LC_HAVE_PROJECT_QUOTA
1503 # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1505 # 3.10 introduced security_dentry_init_security()
1507 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_SECURITY], [
1508 LB_CHECK_COMPILE([if 'security_dentry_init_security' is defined],
1509 security_dentry_init_security, [
1510 #include <linux/security.h>
1512 security_dentry_init_security(NULL, 0, NULL, NULL, NULL);
1514 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURITY, 1,
1515 [security_dentry_init_security' is defined])
1517 ]) # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1520 # LC_INVALIDATE_RANGE
1522 # 3.11 invalidatepage requires the length of the range to invalidate
1524 AC_DEFUN([LC_INVALIDATE_RANGE], [
1525 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1526 address_space_ops_invalidatepage_3args, [
1527 #include <linux/fs.h>
1529 struct address_space_operations a_ops;
1530 a_ops.invalidatepage(NULL, 0, 0);
1532 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1533 [address_space_operations.invalidatepage needs 3 arguments])
1535 ]) # LC_INVALIDATE_RANGE
1538 # LC_HAVE_DIR_CONTEXT
1540 # 3.11 readdir now takes the new struct dir_context
1542 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1543 LB_CHECK_COMPILE([if 'dir_context' exist],
1545 #include <linux/fs.h>
1547 struct dir_context ctx;
1550 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
1551 [dir_context exist])
1553 ]) # LC_HAVE_DIR_CONTEXT
1556 # LC_D_COMPARE_5ARGS
1558 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1560 AC_DEFUN([LC_D_COMPARE_5ARGS], [
1561 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
1563 #include <linux/dcache.h>
1565 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1567 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1568 [d_compare need 5 arguments])
1570 ]) # LC_D_COMPARE_5ARGS
1575 # 3.11 need to access d_count to get dentry reference count
1577 AC_DEFUN([LC_HAVE_DCOUNT], [
1578 LB_CHECK_COMPILE([if 'd_count' exist],
1580 #include <linux/dcache.h>
1585 AC_DEFINE(HAVE_D_COUNT, 1,
1591 # LC_PID_NS_FOR_CHILDREN
1593 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
1595 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
1596 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
1597 pid_ns_for_children, [
1598 #include <linux/nsproxy.h>
1601 ns.pid_ns_for_children = NULL;
1603 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
1604 ['struct nsproxy' has 'pid_ns_for_children'])
1606 ]) # LC_PID_NS_FOR_CHILDREN
1609 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1611 # 3.12 truncate_pagecache without oldsize parameter
1613 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1614 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1615 truncate_pagecache_old_size, [
1616 #include <linux/mm.h>
1618 truncate_pagecache(NULL, 0, 0);
1620 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1623 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1626 # LC_HAVE_DENTRY_D_U_D_ALIAS
1628 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1630 # Some distros move d_alias to d_u but it is still a struct list
1632 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1633 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1634 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1636 #include <linux/list.h>
1637 #include <linux/dcache.h>
1640 INIT_LIST_HEAD(&de.d_u.d_alias);
1642 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1643 [list dentry.d_u.d_alias exist])
1646 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1648 #include <linux/list.h>
1649 #include <linux/dcache.h>
1652 INIT_HLIST_NODE(&de.d_u.d_alias);
1654 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1655 [hlist dentry.d_u.d_alias exist])
1658 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1661 # LC_HAVE_DENTRY_D_CHILD
1663 # 3.11 kernel d_child has been moved out of the union d_u
1666 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1667 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1669 #include <linux/list.h>
1670 #include <linux/dcache.h>
1673 INIT_LIST_HEAD(&de.d_child);
1675 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1676 [dentry.d_child exist])
1678 ]) # LC_HAVE_DENTRY_D_CHILD
1683 # 3.12 ki_left removed from struct kiocb
1685 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1686 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1688 #include <linux/aio.h>
1690 ((struct kiocb*)0)->ki_left = 0;
1692 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1695 ]) # LC_KIOCB_KI_LEFT
1698 # LC_VFS_RENAME_5ARGS
1700 # 3.13 has vfs_rename with 5 args
1702 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1703 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1705 #include <linux/fs.h>
1707 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1709 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1710 [kernel has vfs_rename with 5 args])
1712 ]) # LC_VFS_RENAME_5ARGS
1715 # LC_VFS_UNLINK_3ARGS
1717 # 3.13 has vfs_unlink with 3 args
1719 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1720 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1722 #include <linux/fs.h>
1724 vfs_unlink(NULL, NULL, NULL);
1726 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1727 [kernel has vfs_unlink with 3 args])
1729 ]) # LC_VFS_UNLINK_3ARGS
1734 # 3.14 move some of its data in struct bio into the new
1737 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1738 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1740 #include <linux/bio.h>
1742 struct bvec_iter iter;
1743 iter.bi_bvec_done = 0;
1745 AC_DEFINE(HAVE_BVEC_ITER, 1,
1746 [kernel has struct bvec_iter])
1748 ]) # LC_HAVE_BVEC_ITER
1753 # 4.4 redefined bi_cnt as __bi_cnt
1755 AC_DEFUN([LC_HAVE_BI_CNT], [
1756 LB_CHECK_COMPILE([if Linux kernel has bi_cnt in struct bio],
1758 #include <asm/atomic.h>
1759 #include <linux/bio.h>
1763 cnt = atomic_read(&bio.bi_cnt);
1765 AC_DEFINE(HAVE_BI_CNT, 1,
1766 [struct bio has bi_cnt])
1771 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1773 # 3.14 bring truncate_inode_pages_final for evict_inode
1775 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1776 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1777 truncate_ipages_final, [
1778 #include <linux/mm.h>
1780 truncate_inode_pages_final(NULL);
1782 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1783 [kernel has truncate_inode_pages_final])
1785 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1788 # LC_IOPS_RENAME_WITH_FLAGS
1790 # 3.14 has inode_operations->rename with 5 args
1791 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
1793 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
1794 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
1795 iops_rename_with_flags, [
1796 #include <linux/fs.h>
1798 struct inode *i1 = NULL, *i2 = NULL;
1799 struct dentry *d1 = NULL, *d2 = NULL;
1801 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
1803 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
1804 [inode_operations->rename need flags as argument])
1806 ]) # LC_IOPS_RENAME_WITH_FLAGS
1809 # LC_VFS_RENAME_6ARGS
1811 # 3.15 has vfs_rename with 6 args
1813 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1814 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1816 #include <linux/fs.h>
1818 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1820 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1821 [kernel has vfs_rename with 6 args])
1823 ]) # LC_VFS_RENAME_6ARGS
1826 # LC_DIRECTIO_USE_ITER
1828 # 3.16 kernel changes direct IO to use iov_iter
1830 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1831 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1833 #include <linux/fs.h>
1835 struct address_space_operations ops;
1836 struct iov_iter *iter = NULL;
1839 ops.direct_IO(0, NULL, iter, offset);
1841 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1842 [direct IO uses iov_iter])
1844 ]) # LC_DIRECTIO_USE_ITER
1847 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1850 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1851 # changed iov_iter_init api to start accepting a tag
1852 # that defines if its a read or write operation
1854 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1855 tmp_flags="$EXTRA_KCFLAGS"
1856 EXTRA_KCFLAGS="-Werror"
1857 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1859 #include <linux/uio.h>
1860 #include <linux/fs.h>
1862 const struct iovec *iov = NULL;
1864 iov_iter_init(NULL, READ, iov, 1, 0);
1866 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1867 [iov_iter_init handles directional tag])
1869 EXTRA_KCFLAGS="$tmp_flags"
1870 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1873 # LC_HAVE_IOV_ITER_TRUNCATE
1876 # 3.16 introduces a new API iov_iter_truncate()
1878 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1879 tmp_flags="$EXTRA_KCFLAGS"
1880 EXTRA_KCFLAGS="-Werror"
1881 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
1883 #include <linux/uio.h>
1884 #include <linux/fs.h>
1886 struct iov_iter *i = NULL;
1888 iov_iter_truncate(i, 0);
1890 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1892 EXTRA_KCFLAGS="$tmp_flags"
1893 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1896 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1898 # 3.16 introduces [read|write]_iter to struct file_operations
1900 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1901 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1902 file_function_iter, [
1903 #include <linux/fs.h>
1905 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1906 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1908 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1909 [file_operations.[read|write]_iter functions exist])
1911 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1916 # 3.17 replaces key_type::match with match_preparse
1917 # and has new struct key_match_data
1919 AC_DEFUN([LC_KEY_MATCH_DATA], [
1920 LB_CHECK_COMPILE([if struct key_match field exist],
1922 #include <linux/key-type.h>
1924 struct key_match_data data;
1926 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
1927 [struct key_match_data exist])
1929 ]) # LC_KEY_MATCH_DATA
1932 # LC_NFS_FILLDIR_USE_CTX
1934 # 3.18 kernel moved from void cookie to struct dir_context
1936 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1937 tmp_flags="$EXTRA_KCFLAGS"
1938 EXTRA_KCFLAGS="-Werror"
1939 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
1941 #include <linux/fs.h>
1943 int filldir(struct dir_context *ctx, const char* name,
1944 int i, loff_t off, u64 tmp, unsigned temp)
1949 struct dir_context ctx = {
1953 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
1955 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
1956 [filldir_t needs struct dir_context as argument])
1958 EXTRA_KCFLAGS="$tmp_flags"
1959 ]) # LC_NFS_FILLDIR_USE_CTX
1962 # LC_PERCPU_COUNTER_INIT
1964 # 3.18 For kernels 3.18 and after percpu_counter_init starts
1965 # to pass a GFP_* memory allocation flag for internal
1966 # memory allocation purposes.
1968 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
1969 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
1970 percpu_counter_init, [
1971 #include <linux/percpu_counter.h>
1973 percpu_counter_init(NULL, 0, GFP_KERNEL);
1975 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
1976 [percpu_counter_init uses GFP_* flag])
1978 ]) # LC_PERCPU_COUNTER_INIT
1981 # LC_KIOCB_HAS_NBYTES
1983 # 3.19 kernel removed ki_nbytes from struct kiocb
1985 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
1986 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
1988 #include <linux/fs.h>
1994 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
1996 ]) # LC_KIOCB_HAS_NBYTES
1999 # LC_HAVE_DQUOT_QC_DQBLK
2001 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
2002 # Added in commit 14bf61ffe
2004 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
2005 tmp_flags="$EXTRA_KCFLAGS"
2006 EXTRA_KCFLAGS="-Werror"
2007 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
2009 #include <linux/fs.h>
2010 #include <linux/quota.h>
2012 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
2014 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
2015 [quotactl_ops.set_dqblk takes struct qc_dqblk])
2016 AC_DEFINE(HAVE_DQUOT_KQID, 1,
2017 [quotactl_ops.set_dqblk takes struct kqid])
2019 EXTRA_KCFLAGS="$tmp_flags"
2020 ]) # LC_HAVE_DQUOT_QC_DQBLK
2023 # LC_BACKING_DEV_INFO_REMOVAL
2025 # 3.20 kernel removed backing_dev_info from address_space
2027 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
2028 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
2030 #include <linux/fs.h>
2032 struct address_space mapping;
2034 mapping.backing_dev_info = NULL;
2036 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
2038 ]) # LC_BACKING_DEV_INFO_REMOVAL
2041 # LC_HAVE_BDI_CAP_MAP_COPY
2043 # 3.20 removed mmap handling for backing devices since
2044 # it breaks on non-MMU systems. See kernel commit
2045 # b4caecd48005fbed3949dde6c1cb233142fd69e9
2047 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
2048 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
2050 #include <linux/backing-dev.h>
2052 struct backing_dev_info info;
2054 info.capabilities = BDI_CAP_MAP_COPY;
2056 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
2057 [BDI_CAP_MAP_COPY exist])
2059 ]) # LC_HAVE_BDI_CAP_MAP_COPY
2062 # LC_CANCEL_DIRTY_PAGE
2064 # 4.0.0 kernel removed cancel_dirty_page
2066 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
2067 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
2068 cancel_dirty_page, [
2069 #include <linux/mm.h>
2071 cancel_dirty_page(NULL, PAGE_SIZE);
2073 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
2074 [cancel_dirty_page is still available])
2076 ]) # LC_CANCEL_DIRTY_PAGE
2081 # 4.1 kernel has iov_iter_rw
2083 AC_DEFUN([LC_IOV_ITER_RW], [
2084 LB_CHECK_COMPILE([if iov_iter_rw exist],
2086 #include <linux/fs.h>
2087 #include <linux/uio.h>
2089 struct iov_iter *iter = NULL;
2093 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
2094 [iov_iter_rw exist])
2099 # LC_HAVE_SYNC_READ_WRITE
2101 # 4.1 new_sync_[read|write] no longer exported
2103 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
2104 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
2105 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
2106 [new_sync_[read|write] is exported by the kernel])])
2107 ]) # LC_HAVE_SYNC_READ_WRITE
2110 # LC_NEW_CANCEL_DIRTY_PAGE
2112 # 4.2 kernel has new cancel_dirty_page
2114 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
2115 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
2116 new_cancel_dirty_page, [
2117 #include <linux/mm.h>
2119 cancel_dirty_page(NULL);
2121 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
2122 [cancel_dirty_page with one arguement is available])
2124 ]) # LC_NEW_CANCEL_DIRTY_PAGE
2127 # LC_SYMLINK_OPS_USE_NAMEIDATA
2129 # For the 4.2+ kernels the file system internal symlink api no
2130 # longer uses struct nameidata as a argument
2132 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
2133 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
2134 symlink_use_nameidata, [
2135 #include <linux/namei.h>
2136 #include <linux/fs.h>
2138 struct nameidata *nd = NULL;
2140 ((struct inode_operations *)0)->follow_link(NULL, nd);
2141 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
2143 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
2144 [symlink inode operations need struct nameidata argument])
2146 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
2149 # LC_BIO_ENDIO_USES_ONE_ARG
2151 # 4.2 kernel bio_endio now only takes one argument
2153 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
2154 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
2156 #include <linux/bio.h>
2160 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
2161 [bio_endio takes only one argument])
2163 ]) # LC_BIO_ENDIO_USES_ONE_ARG
2166 # LC_HAVE_LOOP_CTL_GET_FREE
2168 # 4.x kernel have moved userspace APIs to
2169 # the separate directory and all of them
2170 # support LOOP_CTL_GET_FREE
2172 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
2173 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
2174 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
2175 LOOP_CTL_GET_FREE, [
2176 #include <linux/loop.h>
2180 i = LOOP_CTL_GET_FREE;
2182 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2183 [LOOP_CTL_GET_FREE exist])
2186 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2187 [kernel has LOOP_CTL_GET_FREE])
2189 ]) # LC_HAVE_LOOP_CTL_GET_FREE
2192 # LC_HAVE_CACHE_HEAD_HLIST
2194 # 4.3 kernel swiched to hlist for cache_head
2196 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
2197 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
2198 cache_head_has_hlist, [
2199 #include <linux/sunrpc/cache.h>
2201 do {} while(sizeof(((struct cache_head *)0)->cache_list));
2203 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
2204 [cache_head has hlist cache_list])
2206 ]) # LC_HAVE_CACHE_HEAD_HLIST
2209 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2211 # 4.4 kernel have moved locks API users to
2212 # locks_lock_inode_wait()
2214 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2215 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2216 locks_lock_file_wait, [
2217 #include <linux/fs.h>
2219 locks_lock_file_wait(NULL, NULL);
2221 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2222 [kernel has locks_lock_file_wait])
2224 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2227 # LC_HAVE_QC_MAKE_REQUEST_FN
2229 # 4.4 request_queue.make_request_fn defined as function returns with blk_qc_t
2230 # see kernel commit dece16353ef47d8d33f5302bc158072a9d65e26f
2232 AC_DEFUN([LC_HAVE_QC_MAKE_REQUEST_FN], [
2233 LB_CHECK_COMPILE([if 'request_queue.make_request_fn' returns blk_qc_t],
2234 make_request_fn_blk_qc_t, [
2235 #include <linux/blkdev.h>
2238 make_request_fn *mrf;
2239 ret = mrf(NULL, NULL);
2241 AC_DEFINE(HAVE_QC_MAKE_REQUEST_FN, 1,
2242 [request_queue.make_request_fn returns blk_qc_t])
2244 ]) # LC_HAVE_QC_MAKE_REQUEST_FN
2247 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2249 # 4.4 kernel merged type-specific data with the payload data for keys
2251 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2252 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2253 key_payload_data_array, [
2254 #include <linux/key.h>
2256 ((struct key *)0)->payload.data[0] = NULL;
2258 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2260 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2263 # LC_HAVE_FILE_DENTRY
2265 # 4.5 adds wrapper file_dentry
2267 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
2268 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
2270 #include <linux/fs.h>
2274 AC_DEFINE(HAVE_FILE_DENTRY, 1,
2275 [kernel has file_dentry])
2277 ]) # LC_HAVE_FILE_DENTRY
2280 # LC_HAVE_INODE_LOCK
2282 # 4.5 introduced inode_lock
2284 AC_DEFUN([LC_HAVE_INODE_LOCK], [
2285 LB_CHECK_COMPILE([if 'inode_lock' is defined],
2287 #include <linux/fs.h>
2291 AC_DEFINE(HAVE_INODE_LOCK, 1,
2292 [inode_lock is defined])
2294 ]) # LC_HAVE_INODE_LOCK
2297 # LC_HAVE_IOP_GET_LINK
2299 # 4.5 vfs replaced iop->follow_link with
2302 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
2303 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
2304 inode_ops_get_link, [
2305 #include <linux/fs.h>
2307 struct inode_operations iop;
2308 iop.get_link = NULL;
2310 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
2311 [have iop get_link])
2313 ]) # LC_HAVE_IOP_GET_LINK
2316 # LC_HAVE_IN_COMPAT_SYSCALL
2318 # 4.6 renamed is_compat_task to in_compat_syscall
2320 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
2321 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
2322 in_compat_syscall, [
2323 #include <linux/compat.h>
2325 in_compat_syscall();
2327 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
2328 [have in_compat_syscall])
2330 ]) # LC_HAVE_IN_COMPAT_SYSCALL
2335 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2336 # direct-io: eliminate the offset argument to ->direct_IO
2338 AC_DEFUN([LC_DIRECTIO_2ARGS], [
2339 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
2341 #include <linux/fs.h>
2343 struct address_space_operations ops;
2344 struct iov_iter *iter = NULL;
2345 struct kiocb *iocb = NULL;
2347 rc = ops.direct_IO(iocb, iter);
2349 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
2350 [direct_IO need 2 arguments])
2352 ]) # LC_DIRECTIO_2ARGS
2355 # LC_GENERIC_WRITE_SYNC_2ARGS
2357 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2358 # direct-io: eliminate the offset argument to ->direct_IO
2360 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
2361 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
2362 generic_write_sync_2args, [
2363 #include <linux/fs.h>
2365 struct kiocb *iocb = NULL;
2367 rc = generic_write_sync(iocb, 0);
2369 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
2370 [generic_write_sync need 2 arguments])
2372 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
2375 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2377 # 4.8 posix_acl_valid takes struct user_namespace
2379 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2380 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
2382 #include <linux/fs.h>
2383 #include <linux/posix_acl.h>
2385 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2387 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2388 [posix_acl_valid takes struct user_namespace])
2390 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2393 # LC_D_COMPARE_4ARGS
2395 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2396 # get rid of 'parent' argument of ->d_compare()
2398 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2399 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
2401 #include <linux/dcache.h>
2403 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2405 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2406 [d_compare need 4 arguments])
2408 ]) # LC_D_COMPARE_4ARGS
2411 # LC_FULL_NAME_HASH_3ARGS
2413 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2414 # vfs: make the string hashes salt the hash
2416 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2417 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
2418 full_name_hash_3args, [
2419 #include <linux/stringhash.h>
2422 hash = full_name_hash(NULL,NULL,0);
2424 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2425 [full_name_hash need 3 arguments])
2427 ]) # LC_FULL_NAME_HASH_3ARGS
2432 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2433 # cred: simpler, 1D supplementary groups
2435 AC_DEFUN([LC_GROUP_INFO_GID], [
2436 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
2438 #include <linux/cred.h>
2441 p = ((struct group_info *)0)->gid;
2443 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2444 [struct group_info has member gid])
2446 ]) # LC_GROUP_INFO_GID
2449 # LC_STRUCT_POSIX_ACL_XATTR
2451 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2452 # posix_acl: xattr representation cleanups
2454 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2455 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
2456 struct_posix_acl_xattr, [
2457 #include <linux/fs.h>
2458 #include <linux/posix_acl_xattr.h>
2460 struct posix_acl_xattr_header *h = NULL;
2461 struct posix_acl_xattr_entry *e;
2462 e = (void *)(h + 1);
2464 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2465 [struct posix_acl_xattr_{header,entry} defined])
2467 ]) # LC_STRUCT_POSIX_ACL_XATTR
2470 # LC_IOP_GENERIC_READLINK
2472 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2473 # removed generic_readlink from individual file systems
2475 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2476 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
2477 inode_ops_readlink, [
2478 #include <linux/fs.h>
2480 struct inode_operations iop;
2481 iop.readlink = generic_readlink;
2483 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2484 [generic_readlink has been removed])
2486 ]) # LC_IOP_GENERIC_READLINK
2491 # Lustre linux kernel checks
2493 AC_DEFUN([LC_PROG_LINUX], [
2494 AC_MSG_NOTICE([Lustre kernel checks
2495 ==============================================================================])
2499 LC_CONFIG_HEALTH_CHECK_WRITE
2500 LC_CONFIG_LRU_RESIZE
2502 LC_GLIBC_SUPPORT_FHANDLES
2507 LC_BLK_QUEUE_MAX_SEGMENTS
2510 LC_HAVE_DQUOT_FS_DISK_QUOTA
2511 LC_HAVE_DQUOT_SUSPEND
2512 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
2516 LC_EXPORT_SIMPLE_SETATTR
2517 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
2521 LC_SBOPS_EVICT_INODE
2527 LC_BLKDEV_GET_BY_DEV
2528 LC_GENERIC_PERMISSION
2536 LC_REQUEST_QUEUE_UNPLUG_FN
2537 LC_HAVE_FHANDLE_SYSCALLS
2538 LC_HAVE_FSTYPE_MOUNT
2540 LC_HAVE_INODE_OWNER_OR_CAPABLE
2541 LC_HAVE_SECURITY_IINITSEC
2544 LC_DIRTY_INODE_WITH_FLAG
2548 LC_LM_XXX_LOCK_MANAGER_OPS
2552 LC_INODE_PERMISION_2ARGS
2553 LC_RADIX_EXCEPTION_ENTRY
2554 LC_HAVE_LOOP_CTL_GET_FREE
2557 LC_HAVE_VOID_MAKE_REQUEST_FN
2558 LC_HAVE_PROTECT_I_NLINK
2561 LC_HAVE_MIGRATE_HEADER
2562 LC_MIGRATEPAGE_4ARGS
2563 LC_SUPEROPS_USE_DENTRY
2564 LC_INODEOPS_USE_UMODE_T
2565 LC_HAVE_CACHE_REGISTER
2569 LC_KMAP_ATOMIC_HAS_1ARG
2573 LC_HAVE_ENCODE_FH_PARENT
2574 LC_FILE_LLSEEK_SIZE_5ARG
2577 LC_DATA_FOR_LLITE_IS_LIST
2578 LC_DENTRY_OPEN_USE_PATH
2579 LC_HAVE_IOP_ATOMIC_OPEN
2580 LC_HAVE_SB_START_WRITE
2583 LC_HAVE_POSIXACL_USER_NS
2586 LC_HAVE_FILE_F_INODE
2588 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
2591 LC_HAVE_HLIST_FOR_EACH_3ARG
2592 LC_HAVE_BIO_END_SECTOR
2596 LC_BLKDEV_RELEASE_RETURN_INT
2597 LC_HAVE_REMOVE_PROC_SUBTREE
2599 LC_HAVE_PROJECT_QUOTA
2600 LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
2607 LC_HAVE_DENTRY_D_U_D_ALIAS
2608 LC_HAVE_DENTRY_D_CHILD
2609 LC_PID_NS_FOR_CHILDREN
2612 LC_OLDSIZE_TRUNCATE_PAGECACHE
2621 LC_HAVE_TRUNCATE_IPAGES_FINAL
2622 LC_IOPS_RENAME_WITH_FLAGS
2628 LC_DIRECTIO_USE_ITER
2629 LC_HAVE_IOV_ITER_INIT_DIRECTION
2630 LC_HAVE_IOV_ITER_TRUNCATE
2631 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
2637 LC_PERCPU_COUNTER_INIT
2638 LC_NFS_FILLDIR_USE_CTX
2642 LC_HAVE_DQUOT_QC_DQBLK
2645 LC_BACKING_DEV_INFO_REMOVAL
2646 LC_HAVE_BDI_CAP_MAP_COPY
2649 LC_CANCEL_DIRTY_PAGE
2653 LC_HAVE_SYNC_READ_WRITE
2656 LC_NEW_CANCEL_DIRTY_PAGE
2657 LC_BIO_ENDIO_USES_ONE_ARG
2658 LC_SYMLINK_OPS_USE_NAMEIDATA
2661 LC_HAVE_CACHE_HEAD_HLIST
2664 LC_HAVE_LOCKS_LOCK_FILE_WAIT
2665 LC_HAVE_QC_MAKE_REQUEST_FN
2666 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2674 LC_HAVE_IOP_GET_LINK
2677 LC_HAVE_IN_COMPAT_SYSCALL
2681 LC_GENERIC_WRITE_SYNC_2ARGS
2684 LC_HAVE_POSIX_ACL_VALID_USER_NS
2686 LC_FULL_NAME_HASH_3ARGS
2687 LC_STRUCT_POSIX_ACL_XATTR
2693 LC_IOP_GENERIC_READLINK
2696 AS_IF([test "x$enable_server" != xno], [
2697 LC_FUNC_DEV_SET_RDONLY
2707 # Check whether to build the client side of Lustre
2709 AC_DEFUN([LC_CONFIG_CLIENT], [
2710 AC_MSG_CHECKING([whether to build Lustre client support])
2711 AC_ARG_ENABLE([client],
2712 AC_HELP_STRING([--disable-client],
2713 [disable Lustre client support]),
2714 [], [enable_client="yes"])
2715 AC_MSG_RESULT([$enable_client])
2716 ]) # LC_CONFIG_CLIENT
2721 AC_DEFUN([LB_CONFIG_MPITESTS], [
2722 AC_ARG_ENABLE([mpitests],
2723 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
2724 [include mpi tests]), [
2725 enable_mpitests="yes"
2728 MPICC_WRAPPER="mpicc"
2731 enable_mpitests="no"
2734 MPICC_WRAPPER=$enableval
2738 enable_mpitests="yes"
2739 MPICC_WRAPPER="mpicc"
2742 if test "x$enable_mpitests" != "xno"; then
2745 AC_CACHE_CHECK([whether mpitests can be built],
2746 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2750 MPI_Initialized(&flag);
2753 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
2755 enable_mpitests=$lb_cv_mpi_tests
2758 AC_SUBST(MPICC_WRAPPER)
2759 ]) # LB_CONFIG_MPITESTS
2764 # whether to enable quota support global control
2766 AC_DEFUN([LC_CONFIG_QUOTA], [
2767 AC_MSG_CHECKING([whether to enable quota support global control])
2768 AC_ARG_ENABLE([quota],
2769 AC_HELP_STRING([--enable-quota],
2770 [enable quota support]),
2771 [], [enable_quota="yes"])
2772 AS_IF([test "x$enable_quota" = xyes],
2773 [AC_MSG_RESULT([yes])],
2774 [AC_MSG_RESULT([no])])
2775 ]) # LC_CONFIG_QUOTA
2780 AC_DEFUN([LC_QUOTA], [
2784 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
2785 AC_CHECK_HEADER([sys/quota.h],
2786 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
2787 [Define to 1 if you have <sys/quota.h>.])],
2788 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
2793 # LC_CONFIG_NODEMAP_PROC_DEBUG
2795 # enable nodemap proc file debugging
2797 AC_DEFUN([LC_NODEMAP_PROC_DEBUG], [
2798 AC_MSG_CHECKING([whether to enable nodemap proc debug])
2799 AC_ARG_ENABLE([nodemap_proc_debug],
2800 AC_HELP_STRING([--enable-nodemap-proc-debug],
2801 [enable nodemap proc debug]),
2802 [], [enable_nodemap_proc_debug="no"])
2803 AC_MSG_RESULT([$enable_nodemap_proc_debug])
2804 AS_IF([test "x$enable_nodemap_proc_debug" != xno],
2805 [AC_DEFINE(NODEMAP_PROC_DEBUG, 1,
2806 [enable nodemap proc debug support])])
2807 ]) # LC_NODEMAP_PROC_DEBUG
2812 # configure support for optional OSD implementation
2814 AC_DEFUN([LC_OSD_ADDON], [
2815 AC_MSG_CHECKING([whether to use OSD addon])
2817 AC_HELP_STRING([--with-osd=path],
2818 [set path to optional osd]),
2825 OSDADDON="$with_osd"
2832 AS_IF([test $ENABLEOSDADDON -eq 0], [
2836 OSDMODNAME=$(basename $OSDADDON)
2837 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
2838 AC_MSG_RESULT([can't link])
2840 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
2841 AC_MSG_RESULT([$OSDMODNAME])
2842 OSDADDON="subdir-m += $OSDMODNAME"
2844 AC_MSG_RESULT([can't link])
2854 # other configure checks
2856 AC_DEFUN([LC_CONFIGURE], [
2857 AC_MSG_NOTICE([Lustre core checks
2858 ==============================================================================])
2860 LC_CONFIG_OBD_BUFFER_SIZE
2862 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
2863 [CFLAGS="$CFLAGS -Wall -Werror"])
2865 # maximum MDS thread count
2868 # lustre/utils/gss/gss_util.c
2869 # lustre/utils/gss/gssd_proc.c
2870 # lustre/utils/gss/krb5_util.c
2871 # lustre/utils/llog_reader.c
2872 # lustre/utils/create_iam.c
2873 # lustre/utils/libiam.c
2874 AC_CHECK_HEADERS([netdb.h endian.h])
2875 AC_CHECK_FUNCS([gethostbyname])
2877 # lustre/utils/llverdev.c
2878 AC_CHECK_HEADERS([blkid/blkid.h])
2880 # lustre/utils/llverfs.c
2881 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
2884 AC_CHECK_LIB([selinux], [is_selinux_enabled],
2885 [AC_CHECK_HEADERS([selinux/selinux.h],
2886 [SELINUX="-lselinux"
2887 AC_DEFINE([HAVE_SELINUX], 1,
2888 [support for selinux ])],
2891 No libselinux-devel package found, unable to build selinux enabled tools
2896 No selinux package found, unable to build selinux enabled tools
2902 AC_MSG_CHECKING([whether to report minimum OST free space])
2903 AC_ARG_ENABLE([mindf],
2904 AC_HELP_STRING([--enable-mindf],
2905 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
2906 [], [enable_mindf="no"])
2907 AC_MSG_RESULT([$enable_mindf])
2908 AS_IF([test "$enable_mindf" = "yes"],
2909 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
2911 AC_MSG_CHECKING([whether to randomly failing memory alloc])
2912 AC_ARG_ENABLE([fail_alloc],
2913 AC_HELP_STRING([--disable-fail-alloc],
2914 [disable randomly alloc failure]),
2915 [], [enable_fail_alloc="yes"])
2916 AC_MSG_RESULT([$enable_fail_alloc])
2917 AS_IF([test "x$enable_fail_alloc" != xno],
2918 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
2919 [enable randomly alloc failure])])
2921 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
2922 AC_ARG_ENABLE([invariants],
2923 AC_HELP_STRING([--enable-invariants],
2924 [enable invariant checking (cpu intensive)]),
2925 [], [enable_invariants="no"])
2926 AC_MSG_RESULT([$enable_invariants])
2927 AS_IF([test "x$enable_invariants" = xyes],
2928 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
2929 [enable invariant checking])])
2931 AC_MSG_CHECKING([whether to track references with lu_ref])
2932 AC_ARG_ENABLE([lu_ref],
2933 AC_HELP_STRING([--enable-lu_ref],
2934 [enable lu_ref reference tracking code]),
2935 [], [enable_lu_ref="no"])
2936 AC_MSG_RESULT([$enable_lu_ref])
2937 AS_IF([test "x$enable_lu_ref" = xyes],
2938 [AC_DEFINE([USE_LU_REF], 1,
2939 [enable lu_ref reference tracking code])])
2941 AC_MSG_CHECKING([whether to enable page state tracking])
2942 AC_ARG_ENABLE([pgstate-track],
2943 AC_HELP_STRING([--enable-pgstate-track],
2944 [enable page state tracking]),
2945 [], [enable_pgstat_track="no"])
2946 AC_MSG_RESULT([$enable_pgstat_track])
2947 AS_IF([test "x$enable_pgstat_track" = xyes],
2948 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
2949 [enable page state tracking code])])
2952 AC_MSG_CHECKING([systemd unit file directory])
2953 AC_ARG_WITH([systemdsystemunitdir],
2954 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
2955 [Directory for systemd service files])],
2956 [], [with_systemdsystemunitdir=auto])
2957 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
2958 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
2959 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
2960 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
2961 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
2962 with_systemdsystemunitdir=no],
2963 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
2964 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
2965 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
2966 AC_MSG_RESULT([$with_systemdsystemunitdir])
2972 # AM_CONDITIONALS for lustre
2974 AC_DEFUN([LC_CONDITIONALS], [
2975 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
2976 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
2977 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
2978 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
2979 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
2980 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
2981 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
2982 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
2983 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
2984 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
2985 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
2986 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
2987 ]) # LC_CONDITIONALS
2992 # files that should be generated with AC_OUTPUT
2994 AC_DEFUN([LC_CONFIG_FILES],
2998 lustre/autoconf/Makefile
2999 lustre/conf/Makefile
3000 lustre/contrib/Makefile
3002 lustre/include/Makefile
3003 lustre/include/lustre/Makefile
3004 lustre/include/uapi/linux/Makefile
3005 lustre/kernel_patches/targets/3.10-rhel7.target
3006 lustre/kernel_patches/targets/2.6-rhel6.9.target
3007 lustre/kernel_patches/targets/2.6-rhel6.8.target
3008 lustre/kernel_patches/targets/2.6-rhel6.7.target
3009 lustre/kernel_patches/targets/2.6-rhel6.6.target
3010 lustre/kernel_patches/targets/2.6-rhel6.target
3011 lustre/kernel_patches/targets/2.6-rhel5.target
3012 lustre/kernel_patches/targets/2.6-sles11.target
3013 lustre/kernel_patches/targets/3.0-sles11.target
3014 lustre/kernel_patches/targets/3.0-sles11sp3.target
3015 lustre/kernel_patches/targets/3.0-sles11sp4.target
3016 lustre/kernel_patches/targets/3.12-sles12.target
3017 lustre/kernel_patches/targets/4.4-sles12.target
3018 lustre/kernel_patches/targets/2.6-fc11.target
3019 lustre/kernel_patches/targets/2.6-fc12.target
3020 lustre/kernel_patches/targets/2.6-fc15.target
3021 lustre/kernel_patches/targets/3.x-fc18.target
3022 lustre/ldlm/Makefile
3024 lustre/fid/autoMakefile
3025 lustre/llite/Makefile
3026 lustre/llite/autoMakefile
3028 lustre/lov/autoMakefile
3030 lustre/mdc/autoMakefile
3032 lustre/lmv/autoMakefile
3033 lustre/lfsck/Makefile
3034 lustre/lfsck/autoMakefile
3036 lustre/mdt/autoMakefile
3038 lustre/mdd/autoMakefile
3040 lustre/fld/autoMakefile
3041 lustre/obdclass/Makefile
3042 lustre/obdclass/autoMakefile
3043 lustre/obdclass/linux/Makefile
3044 lustre/obdecho/Makefile
3045 lustre/obdecho/autoMakefile
3047 lustre/ofd/autoMakefile
3049 lustre/osc/autoMakefile
3051 lustre/ost/autoMakefile
3052 lustre/osd-ldiskfs/Makefile
3053 lustre/osd-ldiskfs/autoMakefile
3054 lustre/osd-zfs/Makefile
3055 lustre/osd-zfs/autoMakefile
3057 lustre/mgc/autoMakefile
3059 lustre/mgs/autoMakefile
3060 lustre/target/Makefile
3061 lustre/ptlrpc/Makefile
3062 lustre/ptlrpc/autoMakefile
3063 lustre/ptlrpc/gss/Makefile
3064 lustre/ptlrpc/gss/autoMakefile
3065 lustre/quota/Makefile
3066 lustre/quota/autoMakefile
3067 lustre/scripts/Makefile
3068 lustre/scripts/systemd/Makefile
3069 lustre/tests/Makefile
3070 lustre/tests/mpi/Makefile
3071 lustre/tests/kernel/Makefile
3072 lustre/tests/kernel/autoMakefile
3073 lustre/utils/Makefile
3074 lustre/utils/gss/Makefile
3076 lustre/osp/autoMakefile
3078 lustre/lod/autoMakefile
3080 ]) # LC_CONFIG_FILES