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_GLIBC_SUPPORT_FHANDLES
52 AC_DEFUN([LC_GLIBC_SUPPORT_FHANDLES], [
53 AC_CHECK_FUNCS([name_to_handle_at],
54 [AC_DEFINE(HAVE_FHANDLE_GLIBC_SUPPORT, 1,
55 [file handle and related syscalls are supported])],
56 [AC_MSG_WARN([file handle and related syscalls are not supported])])
57 ]) # LC_GLIBC_SUPPORT_FHANDLES
62 # Ensure the stack size is at least 8k in Lustre server (all kernels)
64 AC_DEFUN([LC_STACK_SIZE], [
65 LB_CHECK_COMPILE([if stack size is at least 8k],
67 #include <linux/thread_info.h>
69 #if THREAD_SIZE < 8192
70 #error "stack size < 8192"
72 ], [], [AC_MSG_ERROR([
74 Lustre requires that Linux is configured with at least a 8KB stack.
81 # Allow the user to set the MDS thread upper limit
83 AC_DEFUN([LC_MDS_MAX_THREADS], [
84 AC_MSG_CHECKING([for maximum number of MDS threads])
85 AC_ARG_WITH([mds_max_threads],
86 AC_HELP_STRING([--with-mds-max-threads=count],
87 [maximum threads available on the MDS: (default=512)]),
88 [AC_DEFINE_UNQUOTED(MDS_MAX_THREADS, $with_mds_max_threads,
89 [maximum number of MDS threads])])
90 AC_MSG_RESULT([$with_mds_max_threads])
91 ]) # LC_MDS_MAX_THREADS
96 # the pinger is temporary, until we have the recovery node in place
98 AC_DEFUN([LC_CONFIG_PINGER], [
99 AC_MSG_CHECKING([whether to enable Lustre pinger support])
100 AC_ARG_ENABLE([pinger],
101 AC_HELP_STRING([--disable-pinger],
102 [disable recovery pinger support]),
103 [], [enable_pinger="yes"])
104 AC_MSG_RESULT([$enable_pinger])
105 AS_IF([test "x$enable_pinger" != xno],
106 [AC_DEFINE(ENABLE_PINGER, 1,[Use the Pinger])])
107 ]) # LC_CONFIG_PINGER
112 # do checksum of bulk data between client and OST
114 AC_DEFUN([LC_CONFIG_CHECKSUM], [
115 AC_MSG_CHECKING([whether to enable data checksum support])
116 AC_ARG_ENABLE([checksum],
117 AC_HELP_STRING([--disable-checksum],
118 [disable data checksum support]),
119 [], [enable_checksum="yes"])
120 AC_MSG_RESULT([$enable_checksum])
121 AS_IF([test "x$enable_checksum" != xno],
122 [AC_DEFINE(ENABLE_CHECKSUM, 1, [do data checksums])])
123 ]) # LC_CONFIG_CHECKSUM
128 # enable distributed flock by default
130 AC_DEFUN([LC_CONFIG_FLOCK], [
131 AC_MSG_CHECKING([whether to enable flock by default])
132 AC_ARG_ENABLE([flock],
133 AC_HELP_STRING([--disable-flock],
134 [disable flock by default]),
135 [], [enable_flock="yes"])
136 AC_MSG_RESULT([$enable_flock])
137 AS_IF([test "x$enable_flock" != xno],
138 [AC_DEFINE(ENABLE_FLOCK, 1, [enable flock by default])])
142 # LC_CONFIG_HEALTH_CHECK_WRITE
144 # Turn off the actual write to the disk
146 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE], [
147 AC_MSG_CHECKING([whether to enable a write with the health check])
148 AC_ARG_ENABLE([health_write],
149 AC_HELP_STRING([--enable-health_write],
150 [enable disk writes when doing health check]),
151 [], [enable_health_write="no"])
152 AC_MSG_RESULT([$enable_health_write])
153 AS_IF([test "x$enable_health_write" != xno],
154 [AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, [Write when Checking Health])])
155 ]) # LC_CONFIG_HEALTH_CHECK_WRITE
158 # LC_CONFIG_LRU_RESIZE
160 AC_DEFUN([LC_CONFIG_LRU_RESIZE], [
161 AC_MSG_CHECKING([whether to enable lru self-adjusting])
162 AC_ARG_ENABLE([lru_resize],
163 AC_HELP_STRING([--enable-lru-resize],
164 [enable lru resize support]),
165 [], [enable_lru_resize="yes"])
166 AC_MSG_RESULT([$enable_lru_resize])
167 AS_IF([test "x$enable_lru_resize" != xno],
168 [AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])])
169 ]) # LC_CONFIG_LRU_RESIZE
174 # Quota support. The kernel must support CONFIG_QUOTA.
176 AC_DEFUN([LC_QUOTA_CONFIG], [
177 LB_CHECK_CONFIG_IM([QUOTA], [],
180 Lustre quota requires that CONFIG_QUOTA is enabled in your kernel.
185 # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
187 # truncate_complete_page() has never been exported from an upstream kernel
188 # remove_from_page_cache() was exported between 2.6.35 and 2.6.38
189 # delete_from_page_cache() is exported from 2.6.39
191 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE], [
192 LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c],
193 [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
194 [kernel export truncate_complete_page])])
195 LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c],
196 [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
197 [kernel export remove_from_page_cache])])
198 LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
199 [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
200 [kernel export delete_from_page_cache])])
201 ]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
204 # LC_CONFIG_GSS_KEYRING
206 # default 'auto', tests for dependencies, if found, enables;
207 # only called if gss is enabled
209 AC_DEFUN([LC_CONFIG_GSS_KEYRING], [
210 AC_MSG_CHECKING([whether to enable gss keyring backend])
211 AC_ARG_ENABLE([gss_keyring],
212 [AC_HELP_STRING([--disable-gss-keyring],
213 [disable gss keyring backend])],
214 [], [enable_gss_keyring="auto"])
215 AC_MSG_RESULT([$enable_gss_keyring])
216 AS_IF([test "x$enable_gss_keyring" != xno], [
217 LB_CHECK_CONFIG_IM([KEYS], [], [
218 gss_keyring_conf_test="fail"
219 AC_MSG_WARN([GSS keyring backend requires that CONFIG_KEYS be enabled in your kernel.])])
221 AC_CHECK_LIB([keyutils], [keyctl_search], [], [
222 gss_keyring_conf_test="fail"
223 AC_MSG_WARN([GSS keyring backend requires libkeyutils])])
225 AS_IF([test "x$gss_keyring_conf_test" != xfail], [
226 AC_DEFINE([HAVE_GSS_KEYRING], [1],
227 [Define this if you enable gss keyring backend])
228 enable_gss_keyring="yes"
230 AS_IF([test "x$enable_gss_keyring" = xyes], [
231 AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
235 ]) # LC_CONFIG_GSS_KEYRING
238 # LC_HAVE_CRED_TGCRED
240 # rhel7 struct cred has no member tgcred
242 AC_DEFUN([LC_HAVE_CRED_TGCRED], [
243 LB_CHECK_COMPILE([if 'struct cred' has member 'tgcred'],
245 #include <linux/cred.h>
247 ((struct cred *)0)->tgcred = NULL;
249 AC_DEFINE(HAVE_CRED_TGCRED, 1,
250 [struct cred has member tgcred])
252 ]) # LC_HAVE_CRED_TGCRED
255 # LC_KEY_TYPE_INSTANTIATE_2ARGS
257 # rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
259 AC_DEFUN([LC_KEY_TYPE_INSTANTIATE_2ARGS], [
260 LB_CHECK_COMPILE([if 'key_type->instantiate' has two args],
261 key_type_instantiate_2args, [
262 #include <linux/key-type.h>
264 ((struct key_type *)0)->instantiate(0, NULL);
266 AC_DEFINE(HAVE_KEY_TYPE_INSTANTIATE_2ARGS, 1,
267 [key_type->instantiate has two args])
269 ]) # LC_KEY_TYPE_INSTANTIATE_2ARGS
274 AC_DEFUN([LC_CONFIG_SUNRPC], [
275 LB_CHECK_CONFIG_IM([SUNRPC], [], [
276 AS_IF([test "x$sunrpc_required" = xyes], [
279 kernel SUNRPC support is required by using GSS.
282 ]) # LC_CONFIG_SUNRPC
285 # LC_CONFIG_GSS (default 'auto' (tests for dependencies, if found, enables))
287 # Build gss and related tools of Lustre. Currently both kernel and user space
288 # parts are depend on linux platform.
290 AC_DEFUN([LC_CONFIG_GSS], [
291 AC_MSG_CHECKING([whether to enable gss support])
293 [AC_HELP_STRING([--enable-gss], [enable gss support])],
294 [], [enable_gss="auto"])
295 AC_MSG_RESULT([$enable_gss])
297 AS_IF([test "x$enable_gss" != xno], [
298 LC_CONFIG_GSS_KEYRING
300 LC_KEY_TYPE_INSTANTIATE_2ARGS
301 sunrpc_required=$enable_gss
305 LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
306 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
307 LB_CHECK_CONFIG_IM([CRYPTO_SHA1], [],
308 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
309 LB_CHECK_CONFIG_IM([CRYPTO_SHA256], [],
310 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
311 LB_CHECK_CONFIG_IM([CRYPTO_SHA512], [],
312 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
314 require_krb5=$enable_gss
318 AS_IF([test -n "$KRBDIR"], [
319 gss_conf_test="success"
321 gss_conf_test="failure"
324 AS_IF([test "x$gss_conf_test" = xsuccess && test "x$enable_gss" != xno], [
325 AC_DEFINE([HAVE_GSS], [1], [Define this is if you enable gss])
328 enable_gss_keyring="no"
332 enable_ssk=$enable_gss
334 enable_gss_keyring="no"
340 # OpenSSL 1.0+ return int for HMAC functions but older SLES11 versions do not
341 AC_DEFUN([LC_OPENSSL_SSK], [
342 AC_MSG_CHECKING([whether OpenSSL has functions needed for SSK])
343 AS_IF([test "x$enable_ssk" != xno], [
344 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
345 #include <openssl/hmac.h>
346 #include <openssl/evp.h>
350 rc = HMAC_Init_ex(NULL, "test", 4, EVP_md_null(), NULL);
352 ])],[AC_DEFINE(HAVE_OPENSSL_SSK, 1,
353 [OpenSSL HMAC functions needed for SSK])],
356 AC_MSG_RESULT([$enable_ssk])
359 # LC_OPENSSL_GETSEPOL
361 # OpenSSL is needed for l_getsepol
362 AC_DEFUN([LC_OPENSSL_GETSEPOL], [
363 AC_MSG_CHECKING([whether openssl-devel is present])
364 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
365 #include <openssl/evp.h>
368 EVP_MD_CTX *mdctx = EVP_MD_CTX_create();
371 AC_DEFINE(HAVE_OPENSSL_GETSEPOL, 1, [openssl-devel is present])
372 enable_getsepol="yes"
378 No openssk-devel headers found, unable to build l_getsepol and SELinux status checking
381 AC_MSG_RESULT([$enable_getsepol])
382 ]) # LC_OPENSSL_GETSEPOL
384 # LC_INODE_PERMISION_2ARGS
386 # up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
387 # v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
388 # v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
389 # v3.1 onward have a 2 arg version (inode, mask)
391 AC_DEFUN([LC_INODE_PERMISION_2ARGS], [
392 LB_CHECK_COMPILE([if 'inode_operations->permission' has two args],
393 inode_ops_permission_2args, [
394 #include <linux/fs.h>
396 struct inode *inode __attribute__ ((unused));
399 inode->i_op->permission(NULL, 0);
401 AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
402 [inode_operations->permission has two args])
404 ]) # LC_INODE_PERMISION_2ARGS
407 # LC_BLK_QUEUE_MAX_SEGMENTS
409 # 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
411 AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [
412 LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined],
413 blk_queue_max_segments, [
414 #include <linux/blkdev.h>
416 blk_queue_max_segments(NULL, 0);
418 AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
419 [blk_queue_max_segments is defined])
421 ]) # LC_BLK_QUEUE_MAX_SEGMENTS
424 # LC_HAVE_XATTR_HANDLER_FLAGS
426 # 2.6.33 added a private flag to xattr_handler
428 AC_DEFUN([LC_HAVE_XATTR_HANDLER_FLAGS], [
429 LB_CHECK_COMPILE([if 'struct xattr_handler' has flags field],
430 xattr_handler_flags, [
431 #include <linux/xattr.h>
433 struct xattr_handler handler;
437 AC_DEFINE(HAVE_XATTR_HANDLER_FLAGS, 1, [flags field exist])
439 ]) # LC_HAVE_XATTR_HANDLER_FLAGS
442 # LC_HAVE_DQUOT_FS_DISK_QUOTA
444 # 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
446 AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], [
447 tmp_flags="$EXTRA_KCFLAGS"
448 EXTRA_KCFLAGS="-Werror"
449 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota],
451 #include <linux/fs.h>
452 #include <linux/quota.h>
454 ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
456 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
457 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
459 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota],
460 kqid_fs_disk_quota, [
461 #include <linux/fs.h>
462 #include <linux/quota.h>
464 ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
466 AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
467 [quotactl_ops.set_dqblk takes struct fs_disk_quota])
468 AC_DEFINE(HAVE_DQUOT_KQID, 1,
469 [quotactl_ops.set_dqblk takes struct kqid])
472 EXTRA_KCFLAGS="$tmp_flags"
473 ]) # LC_HAVE_DQUOT_FS_DISK_QUOTA
476 # LC_HAVE_DQUOT_SUSPEND
478 # 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
480 AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [
481 LB_CHECK_COMPILE([if 'dquot_suspend' is defined],
483 #include <linux/quotaops.h>
485 dquot_suspend(NULL, -1);
487 AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
489 ]) # LC_HAVE_DQUOT_SUSPEND
494 # Check if kernel has been patched for 64-bit quota limits support.
495 # The upstream version of this patch in RHEL6 2.6.32 kernels introduces
496 # the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
497 # that in the absence of quotaio_v1.h in the kernel headers.
499 AC_DEFUN([LC_QUOTA64], [
500 tmp_flags="$EXTRA_KCFLAGS"
501 EXTRA_KCFLAGS="-I$LINUX/fs"
502 LB_CHECK_COMPILE([if kernel has 64-bit quota limits support],
504 #include <linux/kernel.h>
505 #include <linux/fs.h>
506 #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
507 #include <quota/quotaio_v2.h>
508 struct v2r1_disk_dqblk dqblk_r1;
510 #include <linux/quota.h>
511 int ver = QFMT_VFS_V1;
514 AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
516 LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],
517 [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])])
519 EXTRA_KCFLAGS=$tmp_flags
523 # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
525 # 2.6.34 adds __add_wait_queue_exclusive
527 AC_DEFUN([LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE], [
528 LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
529 __add_wait_queue_exclusive, [
530 #include <linux/wait.h>
532 wait_queue_head_t queue = { };
533 wait_queue_t wait = { };
535 __add_wait_queue_exclusive(&queue, &wait);
537 AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
538 [__add_wait_queue_exclusive exists])
540 ]) # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
543 # LC_FS_STRUCT_RWLOCK
545 # 2.6.36 fs_struct.lock use spinlock instead of rwlock.
547 AC_DEFUN([LC_FS_STRUCT_RWLOCK], [
548 LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock],
550 #include <asm/atomic.h>
551 #include <linux/spinlock.h>
552 #include <linux/fs_struct.h>
554 struct fs_struct fss = { };
559 AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock])
561 ]) # LC_FS_STRUCT_RWLOCK
564 # LC_SBOPS_EVICT_INODE
566 # 2.6.36 super_operations add evict_inode method. it hybird of
567 # delete_inode & clear_inode.
569 AC_DEFUN([LC_SBOPS_EVICT_INODE], [
570 LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist],
571 super_ops_evict_inode, [
572 #include <linux/fs.h>
574 ((struct super_operations *)0)->evict_inode(NULL);
576 AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
577 [super_operations.evict_inode() is exist in kernel])
579 ]) # LC_SBOPS_EVICT_INODE
584 # 2.6.35 file_operations.fsync taken 2 arguments.
585 # 3.0.0 file_operations.fsync takes 4 arguments.
587 AC_DEFUN([LC_FILE_FSYNC], [
588 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 4 arguments],
589 file_ops_fsync_4args, [
590 #include <linux/fs.h>
592 ((struct file_operations *)0)->fsync(NULL, 0, 0, 0);
594 AC_DEFINE(HAVE_FILE_FSYNC_4ARGS, 1,
595 [file_operations.fsync takes 4 arguments])
597 LB_CHECK_COMPILE([if 'file_operations.fsync' takes 2 arguments],
598 file_ops_fsync_2args, [
599 #include <linux/fs.h>
601 ((struct file_operations *)0)->fsync(NULL, 0);
603 AC_DEFINE(HAVE_FILE_FSYNC_2ARGS, 1,
604 [file_operations.fsync takes 2 arguments])
612 # 2.6.37 remove kernel_locked
614 AC_DEFUN([LC_KERNEL_LOCKED], [
615 LB_CHECK_COMPILE([if 'kernel_locked' is defined],
617 #include <linux/smp_lock.h>
621 AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
623 ]) # LC_KERNEL_LOCKED
626 # LC_FS_STRUCT_SEQCOUNT
628 # 2.6.37 uses seqlock in fs_struct
630 AC_DEFUN([LC_FS_STRUCT_SEQCOUNT], [
631 LB_CHECK_COMPILE([if fs_struct use seqcount],
632 fs_struct_seqcount, [
633 #include <linux/fs_struct.h>
635 ((struct fs_struct *)0)->seq = (struct seqcount){ 0 };
637 AC_DEFINE(HAVE_FS_STRUCT_SEQCOUNT, 1, [fs_struct use seqcount])
639 ]) # LC_FS_STRUCT_SEQCOUNT
644 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
646 AC_DEFUN([LC_D_COMPARE_7ARGS], [
647 LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
648 dentry_ops_d_compare_7arg, [
649 #include <linux/dcache.h>
651 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
653 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
655 ]) # LC_D_COMPARE_7ARGS
660 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
662 AC_DEFUN([LC_D_DELETE_CONST], [
663 tmp_flags="$EXTRA_KCFLAGS"
664 EXTRA_KCFLAGS="-Werror"
665 LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
666 dentry_ops_d_delete_1st_const, [
667 #include <linux/dcache.h>
669 const struct dentry *d = NULL;
670 ((struct dentry_operations*)0)->d_delete(d);
672 AC_DEFINE(HAVE_D_DELETE_CONST, const,
673 [d_delete first parameter declared const])
675 AC_DEFINE(HAVE_D_DELETE_CONST, [],
676 [d_delete first parameter declared is not const])
678 EXTRA_KCFLAGS="$tmp_flags"
679 ]) # LC_D_DELETE_CONST
684 # 2.6.38 dcache_lock removed. rcu-walk committed.
686 AC_DEFUN([LC_DCACHE_LOCK], [
687 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
689 #include <linux/dcache.h>
691 spin_lock(&dcache_lock);
693 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
694 [dcache_lock is exist])
701 # 2.6.38 inode.i_rcu added.
703 AC_DEFUN([LC_INODE_I_RCU], [
704 LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
706 #include <linux/fs.h>
709 struct rcu_head rcu = {};
712 AC_DEFINE(HAVE_INODE_I_RCU, 1,
713 [inode.i_rcu exists])
718 # LC_BLKDEV_GET_BY_DEV
720 # 2.6.38 export blkdev_get_by_dev
722 AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
723 LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
724 [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
725 [blkdev_get_by_dev is exported by the kernel])])
726 ]) # LC_BLKDEV_GET_BY_DEV
729 # LC_EXPORT_SIMPLE_SETATTR
731 # 2.6.38 export simple_setattr
733 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
734 LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
735 [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
736 [simple_setattr is exported by the kernel])])
737 ]) # LC_EXPORT_SIMPLE_SETATTR
742 # 2.6.38 add struct blk_plug
744 AC_DEFUN([LC_HAVE_BLK_PLUG], [
745 LB_CHECK_COMPILE([if 'struct blk_plug' exists],
747 #include <linux/blkdev.h>
749 struct blk_plug plug;
751 blk_start_plug(&plug);
752 blk_finish_plug(&plug);
754 AC_DEFINE(HAVE_BLK_PLUG, 1,
755 [blk_plug struct exists])
757 ]) # LC_HAVE_BLK_PLUG
760 # LC_HAVE_FSTYPE_MOUNT
762 # 2.6.39 replace get_sb with mount in struct file_system_type
764 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
765 LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
766 file_system_type_mount, [
767 #include <linux/fs.h>
769 struct file_system_type fst = { };
772 mount = (void *)fst.mount;
774 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
775 [struct file_system_type has mount field])
777 ]) # LC_HAVE_FSTYPE_MOUNT
780 # LC_HAVE_FHANDLE_SYSCALLS
782 # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
783 # added to Linux kernel 2.6.39.
784 # Check if client supports these functions
786 AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
787 LB_CHECK_CONFIG_IM([FHANDLE],[
788 AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
789 [kernel supports fhandles and related syscalls])
791 ]) # LC_HAVE_FHANDLE_SYSCALLS
794 # LC_HAVE_INODE_OWNER_OR_CAPABLE
796 # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
798 AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
799 LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
800 inode_owner_or_capable, [
801 #include <linux/fs.h>
803 inode_owner_or_capable(NULL);
805 AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
806 [inode_owner_or_capable exist])
808 ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
811 # LC_DIRTY_INODE_WITH_FLAG
813 # 3.0 dirty_inode() has a flag parameter
814 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
816 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
817 LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
818 dirty_inode_super_operation_flag, [
819 #include <linux/fs.h>
821 struct inode *inode = NULL;
822 inode->i_sb->s_op->dirty_inode(NULL, 0);
824 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
825 [dirty_inode super_operation takes flag])
827 ]) # LC_DIRTY_INODE_WITH_FLAG
832 # 3.0 introduced setns
834 AC_DEFUN([LC_SETNS], [
835 AC_CHECK_HEADERS([sched.h], [], [],
838 AC_CHECK_FUNCS([setns])
842 # LC_GENERIC_PERMISSION
844 # 2.6.38 generic_permission taken 4 parameters.
845 # in fact, it means rcu-walk aware permission bring.
847 # 3.1 generic_permission taken 2 parameters.
848 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
850 AC_DEFUN([LC_GENERIC_PERMISSION], [
851 LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
852 generic_permission_2args, [
853 #include <linux/fs.h>
855 generic_permission(NULL, 0);
857 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
858 [generic_permission taken 2 arguments])
860 LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
861 generic_permission_4args, [
862 #include <linux/fs.h>
864 generic_permission(NULL, 0, 0, NULL);
866 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
867 [generic_permission taken 4 arguments])
870 ]) # LC_GENERIC_PERMISSION
873 # LC_LM_XXX_LOCK_MANAGER_OPS
875 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
876 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
878 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
879 LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
880 lock_manager_ops_lm_xxx, [
881 #include <linux/fs.h>
883 struct lock_manager_operations lm_ops;
884 lm_ops.lm_compare_owner = NULL;
886 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
887 [lock-manager ops renamed to lm_xxx])
889 ]) # LC_LM_XXX_LOCK_MANAGER_OPS
894 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
896 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
898 AC_DEFUN([LC_INODE_DIO_WAIT], [
899 LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
901 #include <linux/fs.h>
903 inode_dio_wait((struct inode *)0);
905 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
906 [inode->i_alloc_sem is killed and use inode_dio_wait])
908 ]) # LC_INODE_DIO_WAIT
913 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
914 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
916 AC_DEFUN([LC_IOP_GET_ACL], [
917 LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
919 #include <linux/fs.h>
921 struct inode_operations iop;
924 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
925 [inode_operations has .get_acl member function])
930 # LC_FILE_LLSEEK_SIZE
932 # 3.1 introduced generic_file_llseek_size()
934 AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
935 LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
936 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
937 [generic_file_llseek_size is exported by the kernel])])
938 ]) # LC_FILE_LLSEEK_SIZE
941 # LC_RADIX_EXCEPTION_ENTRY
942 # 3.1 adds radix_tree_exception_entry.
944 AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
945 LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
946 radix_tree_exceptional_entry, [
947 #include <linux/radix-tree.h>
949 radix_tree_exceptional_entry(NULL);
951 AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
952 [radix_tree_exceptional_entry exist])
954 ]) # LC_RADIX_EXCEPTION_ENTRY
957 # LC_HAVE_PROTECT_I_NLINK
959 # 3.2 protects inode->i_nlink from direct modification
960 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
961 # at the same time adds set_nlink(), so checks set_nlink() for it.
963 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
964 LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
965 inode_i_nlink_protected, [
966 #include <linux/fs.h>
971 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
972 [inode->i_nlink is protected from direct modification])
974 ]) # LC_HAVE_PROTECT_I_NLINK
977 # 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
979 # 3.2 security_inode_init_security takes a callback to set xattrs
981 AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
982 LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
983 security_inode_init_security_callback, [
984 #include <linux/security.h>
986 security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
988 AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
989 [security_inode_init_security takes a callback to set xattrs])
991 LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
992 security_inode_init_security_qstr, [
993 #include <linux/security.h>
995 security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
997 AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
998 [security_inode_init_security takes a 'struct qstr' parameter])
1001 ]) # LC_HAVE_SECURITY_IINITSEC
1004 # LC_HAVE_MIGRATE_HEADER
1006 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1008 AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
1009 LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
1010 AC_DEFINE(HAVE_MIGRATE_H, 1,
1011 [kernel has include/linux/migrate.h])
1013 LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
1014 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1015 [kernel has include/linux/migrate_mode.h])
1018 ]) # LC_HAVE_MIGRATE_HEADER
1021 # LC_MIGRATEPAGE_4ARGS
1023 AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
1024 LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
1025 address_space_ops_migratepage_4args, [
1026 #include <linux/fs.h>
1027 #ifdef HAVE_MIGRATE_H
1028 #include <linux/migrate.h>
1029 #elif defined(HAVE_MIGRATE_MODE_H)
1030 #include <linux/migrate_mode.h>
1033 struct address_space_operations aops = { };
1034 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1036 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1037 [address_space_operations.migratepage has 4 args])
1039 ]) # LC_MIGRATEPAGE_4ARGS
1042 # LC_SUPEROPS_USE_DENTRY
1044 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1045 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1047 AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
1048 tmp_flags="$EXTRA_KCFLAGS"
1049 EXTRA_KCFLAGS="-Werror"
1050 LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
1052 #include <linux/fs.h>
1053 int show_options(struct seq_file *seq, struct dentry *root) {
1057 struct super_operations ops;
1058 ops.show_options = show_options;
1060 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1061 [super_operations use dentry as parameter])
1063 EXTRA_KCFLAGS="$tmp_flags"
1064 ]) # LC_SUPEROPS_USE_DENTRY
1067 # LC_INODEOPS_USE_UMODE_T
1069 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1070 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1072 AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
1073 tmp_flags="$EXTRA_KCFLAGS"
1074 EXTRA_KCFLAGS="-Werror"
1075 LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
1076 inode_ops_umode_t, [
1077 #include <linux/fs.h>
1078 #include <linux/types.h>
1079 int my_mknod(struct inode *dir, struct dentry *dchild,
1080 umode_t mode, dev_t dev)
1085 struct inode_operations ops;
1086 ops.mknod = my_mknod;
1088 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1089 [inode_operations use umode_t as parameter])
1091 EXTRA_KCFLAGS="$tmp_flags"
1092 ]) # LC_INODEOPS_USE_UMODE_T
1095 # LC_KMAP_ATOMIC_HAS_1ARG
1097 # 3.4 kmap_atomic removes second argument
1098 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1100 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
1101 LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
1103 #include <linux/highmem.h>
1107 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1108 [have kmap_atomic has only 1 argument])
1110 ]) # LC_KMAP_ATOMIC_HAS_1ARG
1113 # LC_HAVE_D_MAKE_ROOT
1115 # 3.4 converts d_alloc_root to d_make_root
1116 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1118 AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
1119 LB_CHECK_COMPILE([if have 'd_make_root'],
1121 #include <linux/fs.h>
1123 d_make_root((struct inode *)NULL);
1125 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1128 ]) # LC_HAVE_D_MAKE_ROOT
1131 # LC_HAVE_CACHE_REGISTER
1133 # 3.4 cache_register/cache_unregister are removed
1134 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1135 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1136 # are defined, but not exported.
1137 # 3.3 cache_register_net/cache_unregister_net are
1138 # exported and replacing cache_register/cache_unregister in 3.4
1140 AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
1141 LB_CHECK_COMPILE([if have 'cache_register'],
1143 #include <linux/sunrpc/cache.h>
1145 cache_register(NULL);
1147 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1148 [have cache_register])
1150 ]) # LC_HAVE_CACHE_REGISTER
1153 # LC_HAVE_CLEAR_INODE
1155 # 3.5 renames end_writeback() back to clear_inode()...
1156 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1158 AC_DEFUN([LC_HAVE_CLEAR_INODE], [
1159 LB_CHECK_COMPILE([if have 'clear_inode'],
1161 #include <linux/fs.h>
1163 clear_inode((struct inode *)NULL);
1165 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1168 ]) # LC_HAVE_CLEAR_INODE
1171 # LC_HAVE_ENCODE_FH_PARENT
1173 # 3.5 encode_fh has parent inode passed in directly
1174 # see kernel commit b0b0382b
1176 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
1177 tmp_flags="$EXTRA_KCFLAGS"
1178 EXTRA_KCFLAGS="-Werror"
1179 LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
1180 encode_fh_parent_inode, [
1181 #include <linux/exportfs.h>
1182 #include <linux/fs.h>
1183 #include <linux/types.h>
1184 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1189 struct export_operations exp_op;
1190 exp_op.encode_fh = ll_encode_fh;
1192 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1193 [have parent inode as parameter])
1195 EXTRA_KCFLAGS="$tmp_flags"
1196 ]) # LC_HAVE_ENCODE_FH_PARENT
1199 # LC_FILE_LLSEEK_SIZE_5ARG
1201 # 3.5 has generic_file_llseek_size with 5 args
1203 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
1204 LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
1205 generic_file_llseek_size_5args, [
1206 #include <linux/fs.h>
1208 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1210 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1211 [kernel has generic_file_llseek_size with 5 args])
1213 ]) # LC_FILE_LLSEEK_SIZE_5ARG
1216 # LC_LLITE_DATA_IS_LIST
1218 # 3.6 switch i_dentry/d_alias from list to hlist
1220 # In the upstream kernels d_alias first changes
1221 # to a hlist and then in later version, 3.11, gets
1222 # moved to the union d_u. Due to some distros having
1223 # d_alias in the d_u union as a struct list, which
1224 # has never existed upstream stream, we can't test
1225 # if d_alias is a list or hlist directly. If ever
1226 # i_dentry and d_alias even up different combos then
1227 # the build will fail. In that case then we will need
1228 # to separate out the i_dentry and d_alias test below.
1230 AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
1231 tmp_flags="$EXTRA_KCFLAGS"
1232 EXTRA_KCFLAGS="-Werror"
1233 LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
1234 i_dentry_d_alias_list, [
1235 #include <linux/fs.h>
1238 INIT_LIST_HEAD(&inode.i_dentry);
1240 AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
1241 [both i_dentry/d_alias uses list])
1243 EXTRA_KCFLAGS="$tmp_flags"
1244 ]) # LC_DATA_FOR_LLITE_IS_LIST
1247 # LC_DENTRY_OPEN_USE_PATH
1249 # 3.6 dentry_open uses struct path as first argument
1250 # see kernel commit 765927b2
1252 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
1253 tmp_flags="$EXTRA_KCFLAGS"
1254 EXTRA_KCFLAGS="-Werror"
1255 LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
1257 #include <linux/fs.h>
1258 #include <linux/path.h>
1261 dentry_open(&path, 0, NULL);
1263 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1264 [dentry_open uses struct path as first argument])
1266 EXTRA_KCFLAGS="$tmp_flags"
1267 ]) # LC_DENTRY_OPEN_USE_PATH
1270 # LC_HAVE_IOP_ATOMIC_OPEN
1272 # 3.6 vfs adds iop->atomic_open
1274 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
1275 LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
1276 inode_ops_atomic_open, [
1277 #include <linux/fs.h>
1279 struct inode_operations iop;
1280 iop.atomic_open = NULL;
1282 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1283 [have iop atomic_open])
1285 ]) # LC_HAVE_IOP_ATOMIC_OPEN
1288 # LC_HAVE_SB_START_WRITE
1290 # RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
1292 AC_DEFUN([LC_HAVE_SB_START_WRITE], [
1293 LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
1295 #include <linux/fs.h>
1297 sb_start_write(NULL);
1299 AC_DEFINE(HAVE_SB_START_WRITE, 1,
1300 [kernel supports wrapped FS freeze functions])
1302 ]) # LC_HAVE_SB_START_WRITE
1305 # LC_HAVE_POSIXACL_USER_NS
1307 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1309 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
1310 LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
1311 posix_acl_to_xattr_user_namespace, [
1312 #include <linux/fs.h>
1313 #include <linux/posix_acl_xattr.h>
1315 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1317 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1318 [posix_acl_to_xattr takes struct user_namespace])
1320 ]) # LC_HAVE_POSIXACL_USER_NS
1323 # LC_HAVE_FILE_F_INODE
1325 # 3.8 struct file has new member f_inode
1327 AC_DEFUN([LC_HAVE_FILE_F_INODE], [
1328 LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
1330 #include <linux/fs.h>
1332 ((struct file *)0)->f_inode = NULL;
1334 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1335 [struct file has member f_inode])
1337 ]) # LC_HAVE_FILE_F_INODE
1340 # LC_HAVE_FILE_INODE
1342 # 3.8 has introduced inline function file_inode
1344 AC_DEFUN([LC_HAVE_FILE_INODE], [
1345 LB_CHECK_COMPILE([if file_inode() exists],
1347 #include <linux/fs.h>
1351 AC_DEFINE(HAVE_FILE_INODE, 1,
1352 [file_inode() has been defined])
1354 ]) # LC_HAVE_FILE_INODE
1357 # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1359 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
1360 LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
1361 sunrpc_cache_pipe_upcall_3args, [
1362 #include <linux/sunrpc/cache.h>
1364 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1366 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1367 [sunrpc_cache_pipe_upcall takes 3 args])
1369 ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1372 # LC_HAVE_HLIST_FOR_EACH_3ARG
1374 # 3.9 uses hlist_for_each_entry with 3 args
1375 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1377 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
1378 LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
1379 hlist_for_each_entry_3args, [
1380 #include <linux/list.h>
1381 #include <linux/fs.h>
1383 struct hlist_head *head = NULL;
1384 struct inode *inode;
1386 hlist_for_each_entry(inode, head, i_hash) {
1390 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
1391 [hlist_for_each_entry has 3 args])
1393 ]) # LC_HAVE_HLIST_FOR_EACH_3ARG
1396 # LC_HAVE_BIO_END_SECTOR
1398 # 3.9 introduces bio_end_sector macro
1399 # f73a1c7d117d07a96d89475066188a2b79e53c48
1401 AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
1402 LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
1404 #include <linux/bio.h>
1406 struct bio bio = { };
1407 unsigned long long end;
1409 end = bio_end_sector(&bio);
1411 AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
1412 [bio_end_sector is defined])
1414 ]) # LC_HAVE_BIO_END_SECTOR
1417 # 3.9 created is_sxid
1419 AC_DEFUN([LC_HAVE_IS_SXID], [
1420 LB_CHECK_COMPILE([if 'is_sxid' is defined],
1422 #include <linux/fs.h>
1424 struct inode inode = { };
1426 is_sxid(inode.i_mode);
1428 AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
1430 ]) # LC_HAVE_IS_SXID
1433 # LC_HAVE_REMOVE_PROC_SUBTREE
1435 # 3.10 introduced remove_proc_subtree
1437 AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
1438 LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
1439 remove_proc_subtree, [
1440 #include <linux/proc_fs.h>
1442 remove_proc_subtree(NULL, NULL);
1444 AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
1445 [remove_proc_subtree is defined])
1447 ]) # LC_HAVE_REMOVE_PROC_SUBTREE
1450 # LC_HAVE_PROC_REMOVE
1452 # 3.10 introduced proc_remove
1454 AC_DEFUN([LC_HAVE_PROC_REMOVE], [
1455 LB_CHECK_COMPILE([if 'proc_remove' is defined],
1457 #include <linux/proc_fs.h>
1461 AC_DEFINE(HAVE_PROC_REMOVE, 1,
1462 [proc_remove is defined])
1464 ]) # LC_HAVE_PROC_REMOVE
1466 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1467 LB_CHECK_COMPILE([if get_projid exists],
1470 #include <linux/quota.h>
1472 struct dquot_operations ops = { };
1474 ops.get_projid(NULL, NULL);
1476 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1477 [get_projid function exists])
1479 ]) # LC_HAVE_PROJECT_QUOTA
1483 # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1485 # 3.10 introduced security_dentry_init_security()
1487 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_SECURITY], [
1488 LB_CHECK_COMPILE([if 'security_dentry_init_security' is defined],
1489 security_dentry_init_security, [
1490 #include <linux/security.h>
1492 security_dentry_init_security(NULL, 0, NULL, NULL, NULL);
1494 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURITY, 1,
1495 [security_dentry_init_security' is defined])
1497 ]) # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1500 # LC_INVALIDATE_RANGE
1502 # 3.11 invalidatepage requires the length of the range to invalidate
1504 AC_DEFUN([LC_INVALIDATE_RANGE], [
1505 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1506 address_space_ops_invalidatepage_3args, [
1507 #include <linux/fs.h>
1509 struct address_space_operations a_ops;
1510 a_ops.invalidatepage(NULL, 0, 0);
1512 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1513 [address_space_operations.invalidatepage needs 3 arguments])
1515 ]) # LC_INVALIDATE_RANGE
1518 # LC_HAVE_DIR_CONTEXT
1520 # 3.11 readdir now takes the new struct dir_context
1522 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1523 LB_CHECK_COMPILE([if 'dir_context' exist],
1525 #include <linux/fs.h>
1527 #ifdef FMODE_KABI_ITERATE
1528 #error "back to use readdir in kabi_extand mode"
1530 struct dir_context ctx;
1535 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
1536 [dir_context exist])
1538 ]) # LC_HAVE_DIR_CONTEXT
1541 # LC_D_COMPARE_5ARGS
1543 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1545 AC_DEFUN([LC_D_COMPARE_5ARGS], [
1546 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
1548 #include <linux/dcache.h>
1550 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1552 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1553 [d_compare need 5 arguments])
1555 ]) # LC_D_COMPARE_5ARGS
1560 # 3.11 need to access d_count to get dentry reference count
1562 AC_DEFUN([LC_HAVE_DCOUNT], [
1563 LB_CHECK_COMPILE([if 'd_count' exists],
1565 #include <linux/dcache.h>
1567 struct dentry de = { };
1570 count = d_count(&de);
1572 AC_DEFINE(HAVE_D_COUNT, 1,
1578 # LC_PID_NS_FOR_CHILDREN
1580 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
1582 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
1583 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
1584 pid_ns_for_children, [
1585 #include <linux/nsproxy.h>
1588 ns.pid_ns_for_children = NULL;
1590 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
1591 ['struct nsproxy' has 'pid_ns_for_children'])
1593 ]) # LC_PID_NS_FOR_CHILDREN
1596 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1598 # 3.12 truncate_pagecache without oldsize parameter
1600 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1601 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1602 truncate_pagecache_old_size, [
1603 #include <linux/mm.h>
1605 truncate_pagecache(NULL, 0, 0);
1607 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1610 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1613 # LC_PTR_ERR_OR_ZERO
1615 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
1616 # It was added to linux kernel 3.12
1618 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
1619 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
1621 #include <linux/err.h>
1623 if (PTR_ERR_OR_ZERO(NULL)) return 0;
1625 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
1626 ['PTR_ERR_OR_ZERO' exist])
1628 ]) # LC_PTR_ERR_OR_ZERO_MISSING
1631 # LC_HAVE_DENTRY_D_U_D_ALIAS
1633 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1635 # Some distros move d_alias to d_u but it is still a struct list
1637 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1638 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1639 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1641 #include <linux/list.h>
1642 #include <linux/dcache.h>
1645 INIT_LIST_HEAD(&de.d_u.d_alias);
1647 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1648 [list dentry.d_u.d_alias exist])
1651 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1653 #include <linux/list.h>
1654 #include <linux/dcache.h>
1657 INIT_HLIST_NODE(&de.d_u.d_alias);
1659 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1660 [hlist dentry.d_u.d_alias exist])
1663 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1666 # LC_HAVE_DENTRY_D_CHILD
1668 # 3.11 kernel d_child has been moved out of the union d_u
1671 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1672 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1674 #include <linux/list.h>
1675 #include <linux/dcache.h>
1678 INIT_LIST_HEAD(&de.d_child);
1680 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1681 [dentry.d_child exist])
1683 ]) # LC_HAVE_DENTRY_D_CHILD
1688 # 3.12 ki_left removed from struct kiocb
1690 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1691 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1693 #include <linux/aio.h>
1695 ((struct kiocb*)0)->ki_left = 0;
1697 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1700 ]) # LC_KIOCB_KI_LEFT
1703 # LC_INIT_LIST_HEAD_RCU
1705 # 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
1706 # which is unfortunately an inline function and not a macro
1707 # that can be tested directly, so it needs a configure check.
1709 AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
1710 LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
1711 init_list_head_rcu, [
1712 #include <linux/list.h>
1713 #include <linux/rculist.h>
1715 struct list_head list;
1716 INIT_LIST_HEAD_RCU(&list);
1718 AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
1719 [INIT_LIST_HEAD_RCU exists])
1721 ]) # LC_INIT_LIST_HEAD_RCU
1724 # LC_VFS_RENAME_5ARGS
1726 # 3.13 has vfs_rename with 5 args
1728 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1729 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1731 #include <linux/fs.h>
1733 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1735 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1736 [kernel has vfs_rename with 5 args])
1738 ]) # LC_VFS_RENAME_5ARGS
1741 # LC_VFS_UNLINK_3ARGS
1743 # 3.13 has vfs_unlink with 3 args
1745 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1746 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1748 #include <linux/fs.h>
1750 vfs_unlink(NULL, NULL, NULL);
1752 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1753 [kernel has vfs_unlink with 3 args])
1755 ]) # LC_VFS_UNLINK_3ARGS
1760 # 3.14 move some of its data in struct bio into the new
1763 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1764 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1766 #include <linux/bio.h>
1768 struct bvec_iter iter;
1770 iter.bi_bvec_done = 0;
1772 AC_DEFINE(HAVE_BVEC_ITER, 1,
1773 [kernel has struct bvec_iter])
1775 ]) # LC_HAVE_BVEC_ITER
1780 # 3.14 adds set_acl method to inode_operations
1781 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
1783 AC_DEFUN([LC_IOP_SET_ACL], [
1784 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
1785 inode_ops_set_acl, [
1786 #include <linux/fs.h>
1788 struct inode_operations iop;
1791 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
1792 [inode_operations has .set_acl member function])
1797 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1799 # 3.14 bring truncate_inode_pages_final for evict_inode
1801 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1802 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1803 truncate_ipages_final, [
1804 #include <linux/mm.h>
1806 truncate_inode_pages_final(NULL);
1808 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1809 [kernel has truncate_inode_pages_final])
1811 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1814 # LC_IOPS_RENAME_WITH_FLAGS
1816 # 3.14 has inode_operations->rename with 5 args
1817 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
1819 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
1820 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
1821 iops_rename_with_flags, [
1822 #include <linux/fs.h>
1824 struct inode *i1 = NULL, *i2 = NULL;
1825 struct dentry *d1 = NULL, *d2 = NULL;
1827 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
1829 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
1830 [inode_operations->rename need flags as argument])
1832 ]) # LC_IOPS_RENAME_WITH_FLAGS
1835 # LC_VFS_RENAME_6ARGS
1837 # 3.15 has vfs_rename with 6 args
1839 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1840 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1842 #include <linux/fs.h>
1844 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1846 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1847 [kernel has vfs_rename with 6 args])
1849 ]) # LC_VFS_RENAME_6ARGS
1852 # LC_DIRECTIO_USE_ITER
1854 # 3.16 kernel changes direct IO to use iov_iter
1856 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1857 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1859 #include <linux/fs.h>
1861 struct address_space_operations ops = { };
1862 struct iov_iter *iter = NULL;
1865 ops.direct_IO(0, NULL, iter, offset);
1867 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1868 [direct IO uses iov_iter])
1870 ]) # LC_DIRECTIO_USE_ITER
1873 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1876 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1877 # changed iov_iter_init api to start accepting a tag
1878 # that defines if its a read or write operation
1880 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1881 tmp_flags="$EXTRA_KCFLAGS"
1882 EXTRA_KCFLAGS="-Werror"
1883 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1885 #include <linux/uio.h>
1886 #include <linux/fs.h>
1888 const struct iovec *iov = NULL;
1890 iov_iter_init(NULL, READ, iov, 1, 0);
1892 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1893 [iov_iter_init handles directional tag])
1895 EXTRA_KCFLAGS="$tmp_flags"
1896 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1899 # LC_HAVE_IOV_ITER_TRUNCATE
1902 # 3.16 introduces a new API iov_iter_truncate()
1904 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1905 tmp_flags="$EXTRA_KCFLAGS"
1906 EXTRA_KCFLAGS="-Werror"
1907 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
1909 #include <linux/uio.h>
1910 #include <linux/fs.h>
1912 struct iov_iter *i = NULL;
1914 iov_iter_truncate(i, 0);
1916 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1918 EXTRA_KCFLAGS="$tmp_flags"
1919 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1922 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1924 # 3.16 introduces [read|write]_iter to struct file_operations
1926 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1927 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1928 file_function_iter, [
1929 #include <linux/fs.h>
1931 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1932 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1934 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1935 [file_operations.[read|write]_iter functions exist])
1937 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1940 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1942 # 3.17 replace sector_size with interval in struct blk_integrity
1944 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1945 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
1946 interval_blk_integrity, [
1947 #include <linux/blkdev.h>
1949 ((struct blk_integrity *)0)->interval = 0;
1951 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1952 [blk_integrity.interval exist])
1954 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1959 # 3.17 replaces key_type::match with match_preparse
1960 # and has new struct key_match_data
1962 AC_DEFUN([LC_KEY_MATCH_DATA], [
1963 LB_CHECK_COMPILE([if struct key_match field exist],
1965 #include <linux/key-type.h>
1967 struct key_match_data data;
1969 data.raw_data = NULL;
1971 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
1972 [struct key_match_data exist])
1974 ]) # LC_KEY_MATCH_DATA
1977 # LC_NFS_FILLDIR_USE_CTX
1979 # 3.18 kernel moved from void cookie to struct dir_context
1981 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1982 tmp_flags="$EXTRA_KCFLAGS"
1983 EXTRA_KCFLAGS="-Werror"
1984 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
1986 #include <linux/fs.h>
1988 int filldir(struct dir_context *ctx, const char* name,
1989 int i, loff_t off, u64 tmp, unsigned temp)
1994 struct dir_context ctx = {
1998 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
2000 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
2001 [filldir_t needs struct dir_context as argument])
2003 EXTRA_KCFLAGS="$tmp_flags"
2004 ]) # LC_NFS_FILLDIR_USE_CTX
2007 # LC_PERCPU_COUNTER_INIT
2009 # 3.18 For kernels 3.18 and after percpu_counter_init starts
2010 # to pass a GFP_* memory allocation flag for internal
2011 # memory allocation purposes.
2013 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
2014 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
2015 percpu_counter_init, [
2016 #include <linux/percpu_counter.h>
2018 percpu_counter_init(NULL, 0, GFP_KERNEL);
2020 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
2021 [percpu_counter_init uses GFP_* flag])
2023 ]) # LC_PERCPU_COUNTER_INIT
2026 # LC_KIOCB_HAS_NBYTES
2028 # 3.19 kernel removed ki_nbytes from struct kiocb
2030 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
2031 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
2033 #include <linux/fs.h>
2035 struct kiocb iocb = { };
2039 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
2041 ]) # LC_KIOCB_HAS_NBYTES
2044 # LC_HAVE_DQUOT_QC_DQBLK
2046 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
2047 # Added in commit 14bf61ffe
2049 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
2050 tmp_flags="$EXTRA_KCFLAGS"
2051 EXTRA_KCFLAGS="-Werror"
2052 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
2054 #include <linux/fs.h>
2055 #include <linux/quota.h>
2057 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
2059 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
2060 [quotactl_ops.set_dqblk takes struct qc_dqblk])
2061 AC_DEFINE(HAVE_DQUOT_KQID, 1,
2062 [quotactl_ops.set_dqblk takes struct kqid])
2064 EXTRA_KCFLAGS="$tmp_flags"
2065 ]) # LC_HAVE_DQUOT_QC_DQBLK
2068 # LC_BACKING_DEV_INFO_REMOVAL
2070 # 3.20 kernel removed backing_dev_info from address_space
2072 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
2073 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
2075 #include <linux/fs.h>
2077 struct address_space mapping;
2079 mapping.backing_dev_info = NULL;
2081 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
2083 ]) # LC_BACKING_DEV_INFO_REMOVAL
2086 # LC_HAVE_BDI_CAP_MAP_COPY
2088 # 3.20 removed mmap handling for backing devices since
2089 # it breaks on non-MMU systems. See kernel commit
2090 # b4caecd48005fbed3949dde6c1cb233142fd69e9
2092 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
2093 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
2095 #include <linux/backing-dev.h>
2097 struct backing_dev_info info;
2099 info.capabilities = BDI_CAP_MAP_COPY;
2101 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
2102 [BDI_CAP_MAP_COPY exist])
2104 ]) # LC_HAVE_BDI_CAP_MAP_COPY
2107 # LC_CANCEL_DIRTY_PAGE
2109 # 4.0.0 kernel removed cancel_dirty_page
2111 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
2112 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
2113 cancel_dirty_page, [
2114 #include <linux/mm.h>
2116 cancel_dirty_page(NULL, PAGE_SIZE);
2118 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
2119 [cancel_dirty_page is still available])
2121 ]) # LC_CANCEL_DIRTY_PAGE
2126 # 4.1 kernel has iov_iter_rw
2128 AC_DEFUN([LC_IOV_ITER_RW], [
2129 LB_CHECK_COMPILE([if iov_iter_rw exist],
2131 #include <linux/fs.h>
2132 #include <linux/uio.h>
2134 struct iov_iter *iter = NULL;
2138 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
2139 [iov_iter_rw exist])
2144 # LC_HAVE_SYNC_READ_WRITE
2146 # 4.1 new_sync_[read|write] no longer exported
2148 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
2149 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
2150 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
2151 [new_sync_[read|write] is exported by the kernel])])
2152 ]) # LC_HAVE_SYNC_READ_WRITE
2157 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
2159 AC_DEFUN([LC_HAVE___BI_CNT], [
2160 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
2162 #include <asm/atomic.h>
2163 #include <linux/bio.h>
2164 #include <linux/blk_types.h>
2166 struct bio bio = { };
2168 cnt = atomic_read(&bio.__bi_cnt);
2170 AC_DEFINE(HAVE___BI_CNT, 1,
2171 [struct bio has __bi_cnt])
2173 ]) # LC_HAVE___BI_CNT
2176 # LC_NEW_CANCEL_DIRTY_PAGE
2178 # 4.2 kernel has new cancel_dirty_page
2180 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
2181 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
2182 new_cancel_dirty_page, [
2183 #include <linux/mm.h>
2185 cancel_dirty_page(NULL);
2187 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
2188 [cancel_dirty_page with one arguement is available])
2190 ]) # LC_NEW_CANCEL_DIRTY_PAGE
2193 # LC_SYMLINK_OPS_USE_NAMEIDATA
2195 # For the 4.2+ kernels the file system internal symlink api no
2196 # longer uses struct nameidata as a argument
2198 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
2199 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
2200 symlink_use_nameidata, [
2201 #include <linux/namei.h>
2202 #include <linux/fs.h>
2204 struct nameidata *nd = NULL;
2206 ((struct inode_operations *)0)->follow_link(NULL, nd);
2207 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
2209 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
2210 [symlink inode operations need struct nameidata argument])
2212 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
2215 # LC_BIO_ENDIO_USES_ONE_ARG
2217 # 4.2 kernel bio_endio now only takes one argument
2219 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
2220 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
2222 #include <linux/bio.h>
2226 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
2227 [bio_endio takes only one argument])
2229 ]) # LC_BIO_ENDIO_USES_ONE_ARG
2232 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2234 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
2235 # 'struct blk_integrity_profile' is also added in this version,
2236 # thus use this to determine whether 'struct blk_integrity' has profile
2238 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
2239 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
2240 blk_integrity_interval_exp, [
2241 #include <linux/blkdev.h>
2243 ((struct blk_integrity *)0)->interval_exp = 0;
2245 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
2246 [blk_integrity.interval_exp exist])
2248 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2251 # LC_HAVE_LOOP_CTL_GET_FREE
2253 # 4.x kernel have moved userspace APIs to
2254 # the separate directory and all of them
2255 # support LOOP_CTL_GET_FREE
2257 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
2258 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
2259 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
2260 LOOP_CTL_GET_FREE, [
2261 #include <linux/loop.h>
2265 i = LOOP_CTL_GET_FREE;
2267 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2268 [LOOP_CTL_GET_FREE exist])
2271 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2272 [kernel has LOOP_CTL_GET_FREE])
2274 ]) # LC_HAVE_LOOP_CTL_GET_FREE
2277 # LC_HAVE_CACHE_HEAD_HLIST
2279 # 4.3 kernel swiched to hlist for cache_head
2281 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
2282 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
2283 cache_head_has_hlist, [
2284 #include <linux/sunrpc/cache.h>
2286 do {} while(sizeof(((struct cache_head *)0)->cache_list));
2288 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
2289 [cache_head has hlist cache_list])
2291 ]) # LC_HAVE_CACHE_HEAD_HLIST
2294 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2296 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
2297 # simplified xattr_handler handling by passing in the handler pointer
2299 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
2300 tmp_flags="$EXTRA_KCFLAGS"
2301 EXTRA_KCFLAGS="-Werror"
2302 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
2303 xattr_handler_simplified, [
2304 #include <linux/xattr.h>
2306 struct xattr_handler handler;
2308 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
2309 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
2311 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
2313 EXTRA_KCFLAGS="$tmp_flags"
2314 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2317 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2319 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
2321 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
2322 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
2323 bio_integrity_payload_bip_iter, [
2324 #include <linux/bio.h>
2326 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
2328 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
2329 [bio_integrity_payload.bip_iter exist])
2331 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2334 # LC_BIO_INTEGRITY_PREP_FN
2336 # Lustre kernel patch extents bio_integrity_prep to accept optional
2337 # generate/verify_fn as extra args.
2339 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
2340 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
2341 bio_integrity_prep_fn, [
2342 #include <linux/bio.h>
2344 bio_integrity_prep_fn(NULL, NULL, NULL);
2346 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
2347 [kernel has bio_integrity_prep_fn])
2348 AC_SUBST(PATCHED_INTEGRITY_INTF)
2350 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
2352 ]) # LC_BIO_INTEGRITY_PREP_FN
2357 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
2359 AC_DEFUN([LC_HAVE_BI_OPF], [
2360 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
2362 #include <linux/bio.h>
2368 AC_DEFINE(HAVE_BI_OPF, 1,
2369 [struct bio has bi_opf])
2374 # LC_HAVE_SUBMIT_BIO_2ARGS
2376 # 4.4 removed an argument from submit_bio
2378 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
2379 LB_CHECK_COMPILE([if submit_bio takes two arguments],
2380 have_submit_bio_2args, [
2381 #include <linux/bio.h>
2384 submit_bio(READ, &bio);
2386 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
2387 [submit_bio takes two arguments])
2389 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
2392 # LC_HAVE_CLEAN_BDEV_ALIASES
2394 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
2395 # (SLES12/kernel commit 29f3ad7d8380364c)
2397 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
2398 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
2399 have_clean_bdev_aliases, [
2400 #include <linux/buffer_head.h>
2402 struct block_device bdev;
2403 clean_bdev_aliases(&bdev,1,1);
2405 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
2406 [kernel has clean_bdev_aliases])
2408 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
2411 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2413 # 4.4 kernel have moved locks API users to
2414 # locks_lock_inode_wait()
2416 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2417 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2418 locks_lock_file_wait, [
2419 #include <linux/fs.h>
2421 locks_lock_file_wait(NULL, NULL);
2423 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2424 [kernel has locks_lock_file_wait])
2426 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2429 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2431 # 4.4 kernel merged type-specific data with the payload data for keys
2433 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2434 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2435 key_payload_data_array, [
2436 #include <linux/key.h>
2438 struct key key = { };
2440 key.payload.data[0] = NULL;
2442 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2444 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2447 # LC_HAVE_XATTR_HANDLER_NAME
2449 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
2450 # add a name member to struct xattr_handler
2452 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
2453 tmp_flags="$EXTRA_KCFLAGS"
2454 EXTRA_KCFLAGS="-Werror"
2455 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
2456 xattr_handler_name, [
2457 #include <linux/xattr.h>
2459 ((struct xattr_handler *)NULL)->name = NULL;
2461 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
2463 EXTRA_KCFLAGS="$tmp_flags"
2464 ]) # LC_HAVE_XATTR_HANDLER_NAME
2467 # LC_HAVE_FILE_DENTRY
2469 # 4.5 adds wrapper file_dentry
2471 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
2472 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
2474 #include <linux/fs.h>
2478 AC_DEFINE(HAVE_FILE_DENTRY, 1,
2479 [kernel has file_dentry])
2481 ]) # LC_HAVE_FILE_DENTRY
2484 # LC_HAVE_INODE_LOCK
2486 # 4.5 introduced inode_lock
2488 AC_DEFUN([LC_HAVE_INODE_LOCK], [
2489 LB_CHECK_COMPILE([if 'inode_lock' is defined],
2491 #include <linux/fs.h>
2495 AC_DEFINE(HAVE_INODE_LOCK, 1,
2496 [inode_lock is defined])
2498 ]) # LC_HAVE_INODE_LOCK
2501 # LC_HAVE_IOP_GET_LINK
2503 # 4.5 vfs replaced iop->follow_link with
2506 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
2507 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
2508 inode_ops_get_link, [
2509 #include <linux/fs.h>
2511 struct inode_operations iop;
2512 iop.get_link = NULL;
2514 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
2515 [have iop get_link])
2517 ]) # LC_HAVE_IOP_GET_LINK
2520 # LC_HAVE_IN_COMPAT_SYSCALL
2522 # 4.6 renamed is_compat_task to in_compat_syscall
2524 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
2525 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
2526 in_compat_syscall, [
2527 #include <linux/compat.h>
2529 in_compat_syscall();
2531 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
2532 [have in_compat_syscall])
2534 ]) # LC_HAVE_IN_COMPAT_SYSCALL
2537 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2539 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
2540 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
2541 # to xattr_handler functions
2543 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
2544 tmp_flags="$EXTRA_KCFLAGS"
2545 EXTRA_KCFLAGS="-Werror"
2546 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
2547 xattr_handler_inode_param, [
2548 #include <linux/xattr.h>
2550 const struct xattr_handler handler;
2552 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
2553 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
2555 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
2557 EXTRA_KCFLAGS="$tmp_flags"
2558 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2563 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
2564 # introduced parallel lookups in the VFS layer. The inline function
2565 # d_in_lookup was added to notify when the same item was being queried
2568 AC_DEFUN([LC_D_IN_LOOKUP], [
2569 tmp_flags="$EXTRA_KCFLAGS"
2570 EXTRA_KCFLAGS="-Werror"
2571 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
2573 #include <linux/dcache.h>
2577 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
2579 EXTRA_KCFLAGS="$tmp_flags"
2585 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2586 # direct-io: eliminate the offset argument to ->direct_IO
2588 AC_DEFUN([LC_DIRECTIO_2ARGS], [
2589 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
2591 #include <linux/fs.h>
2593 struct address_space_operations ops = { };
2594 struct iov_iter *iter = NULL;
2595 struct kiocb *iocb = NULL;
2598 rc = ops.direct_IO(iocb, iter);
2600 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
2601 [direct_IO need 2 arguments])
2603 ]) # LC_DIRECTIO_2ARGS
2606 # LC_GENERIC_WRITE_SYNC_2ARGS
2608 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2609 # direct-io: eliminate the offset argument to ->direct_IO
2611 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
2612 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
2613 generic_write_sync_2args, [
2614 #include <linux/fs.h>
2616 struct kiocb *iocb = NULL;
2619 rc = generic_write_sync(iocb, 0);
2621 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
2622 [generic_write_sync need 2 arguments])
2624 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
2627 # LC_FOP_ITERATE_SHARED
2629 # Kernel version 4.7 adds iterate_shared method to file_operations
2631 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
2632 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
2633 fop_iterate_shared, [
2634 #include <linux/fs.h>
2636 struct file_operations fop;
2637 fop.iterate_shared = NULL;
2639 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
2640 [file_operations has iterate_shared])
2642 ]) # LC_FOP_ITERATE_SHARED
2645 # LC_FOPS_ITERATE_SHARED
2647 # 4.7 commit ae05327a00fd47c34dfe25294b359a3f3fef96e8
2648 # ext4: switch to ->iterate_shared()
2649 # this replaces ext4_dir_operations iterate with iterate_shared.
2650 # dir_relaxed_shared() was also added in this commit, so we can
2651 # use that function to verify that the ext4_dir_operations is using
2654 AC_DEFUN([LC_FOPS_ITERATE_SHARED], [
2655 LB_CHECK_COMPILE([if ext4_dir_operations uses iterate_shared],
2657 #include <linux/fs.h>
2659 ((struct file_operations *)0)->iterate_shared(NULL, NULL);
2660 dir_relax_shared(NULL);
2662 AC_DEFINE(HAVE_ITERATE_SHARED, 1,
2663 ['iterate_shared' is available])
2665 ]) # LC_FOPS_ITERATE_SHARED
2668 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2670 # 4.8 posix_acl_valid takes struct user_namespace
2672 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2673 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
2675 #include <linux/fs.h>
2676 #include <linux/posix_acl.h>
2678 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2680 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2681 [posix_acl_valid takes struct user_namespace])
2683 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2686 # LC_D_COMPARE_4ARGS
2688 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2689 # get rid of 'parent' argument of ->d_compare()
2691 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2692 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
2694 #include <linux/dcache.h>
2696 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2698 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2699 [d_compare need 4 arguments])
2701 ]) # LC_D_COMPARE_4ARGS
2704 # LC_FULL_NAME_HASH_3ARGS
2706 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2707 # vfs: make the string hashes salt the hash
2709 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2710 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
2711 full_name_hash_3args, [
2712 #include <linux/stringhash.h>
2715 hash = full_name_hash(NULL,NULL,0);
2717 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2718 [full_name_hash need 3 arguments])
2720 ]) # LC_FULL_NAME_HASH_3ARGS
2723 # LC_STRUCT_POSIX_ACL_XATTR
2725 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2726 # posix_acl: xattr representation cleanups
2728 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2729 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
2730 struct_posix_acl_xattr, [
2731 #include <linux/fs.h>
2732 #include <linux/posix_acl_xattr.h>
2734 struct posix_acl_xattr_header *h = NULL;
2735 struct posix_acl_xattr_entry *e;
2736 e = (void *)(h + 1);
2738 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2739 [struct posix_acl_xattr_{header,entry} defined])
2741 ]) # LC_STRUCT_POSIX_ACL_XATTR
2746 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2747 # removed {get,set,remove}xattr inode operations
2749 AC_DEFUN([LC_IOP_XATTR], [
2750 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
2752 #include <linux/fs.h>
2754 struct inode_operations iop;
2755 iop.setxattr = NULL;
2756 iop.getxattr = NULL;
2757 iop.removexattr = NULL;
2759 AC_DEFINE(HAVE_IOP_XATTR, 1,
2760 [inode_operations has {get,set,remove}xattr members])
2767 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2768 # cred: simpler, 1D supplementary groups
2770 AC_DEFUN([LC_GROUP_INFO_GID], [
2771 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
2773 #include <linux/cred.h>
2776 p = ((struct group_info *)0)->gid;
2778 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2779 [struct group_info has member gid])
2781 ]) # LC_GROUP_INFO_GID
2786 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2787 # added __vfs_{get,set,remove}xattr helpers
2789 AC_DEFUN([LC_VFS_SETXATTR], [
2790 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
2792 #include <linux/xattr.h>
2794 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2796 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
2797 ['__vfs_setxattr is available])
2799 ]) # LC_VFS_SETXATTR
2802 # LC_POSIX_ACL_UPDATE_MODE
2804 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2805 # posix_acl: Clear SGID bit when setting file permissions
2807 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2808 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
2809 posix_acl_update_mode, [
2810 #include <linux/fs.h>
2811 #include <linux/posix_acl.h>
2813 posix_acl_update_mode(NULL, NULL, NULL);
2815 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2816 ['posix_acl_update_mode' is available])
2818 ]) # LC_POSIX_ACL_UPDATE_MODE
2821 # LC_IOP_GENERIC_READLINK
2823 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2824 # removed generic_readlink from individual file systems
2826 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2827 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
2828 inode_ops_readlink, [
2829 #include <linux/fs.h>
2831 struct inode_operations iop;
2832 iop.readlink = generic_readlink;
2834 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2835 [generic_readlink has been removed])
2837 ]) # LC_IOP_GENERIC_READLINK
2840 # LC_HAVE_VM_FAULT_ADDRESS
2842 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2843 # removed virtual_address field. Need to use address field instead
2845 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2846 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
2848 #include <linux/mm.h>
2850 struct vm_fault vmf;
2853 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2854 [virtual_address has been replaced by address field])
2856 ]) # LC_HAVE_VM_FAULT_ADDRESS
2859 # LC_INODEOPS_ENHANCED_GETATTR
2861 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2862 # expanded getattr to be able to get more stat information.
2864 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2865 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
2867 #include <linux/fs.h>
2871 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2873 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2874 [inode_operations .getattr member function can gather advance stats])
2876 ]) # LC_INODEOPS_ENHANCED_GETATTR
2879 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2881 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2882 # removed struct vm_area_struct as an argument for vm_operations since
2883 # in the same kernel version struct vma_area_struct was folded into
2886 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2887 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
2888 vm_operations_no_vm_area_struct, [
2889 #include <linux/mm.h>
2891 struct vm_fault vmf;
2893 ((struct vm_operations_struct *)0)->fault(&vmf);
2894 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2896 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2897 ['struct vm_operations' remove struct vm_area_struct argument])
2899 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2902 # LC_HAVE_KEY_USAGE_REFCOUNT
2904 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2905 # converted key.usage from atomic_t to refcount_t.
2907 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2908 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
2909 key_usage_refcount, [
2910 #include <linux/key.h>
2912 struct key key = { };
2914 refcount_read(&key.usage);
2916 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
2918 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2921 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2923 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2924 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2926 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2927 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
2928 crypto_max_alg_name, [
2929 #include <linux/crypto.h>
2931 #if CRYPTO_MAX_ALG_NAME != 128
2935 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2936 ['CRYPTO_MAX_ALG_NAME' is 128])
2938 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2941 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2942 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2945 AC_DEFUN([LC_CURRENT_TIME], [
2946 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
2948 #include <linux/fs.h>
2952 attr.ia_atime = current_time(NULL);
2954 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2955 [current_time() has replaced CURRENT_TIME])
2957 ]) # LIBCFS_CURRENT_TIME
2960 # LC_SUPER_SETUP_BDI_NAME
2962 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2963 # unified bdi handling
2965 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2966 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
2967 super_setup_bdi_name, [
2968 #include <linux/fs.h>
2970 super_setup_bdi_name(NULL, "lustre");
2972 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2973 ['super_setup_bdi_name' is available])
2975 ]) # LC_SUPER_SETUP_BDI_NAME
2980 # 4.12 replace bi_error to bi_status
2982 AC_DEFUN([LC_BI_STATUS], [
2983 LB_CHECK_COMPILE([if 'bi_status' exist],
2985 #include <linux/blk_types.h>
2987 ((struct bio *)0)->bi_status = 0;
2989 AC_DEFINE(HAVE_BI_STATUS, 1,
2990 ['bi_status' is available])
2995 # LC_BIO_INTEGRITY_ENABLED
2997 # 4.13 removed bio_integrity_enabled
2999 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
3000 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
3001 bio_integrity_enabled, [
3002 #include <linux/bio.h>
3004 bio_integrity_enabled(NULL);
3006 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
3007 ['bio_integrity_enabled' is available])
3009 ]) # LC_BIO_INTEGRITY_ENABLED
3012 # LC_PAGEVEC_INIT_ONE_PARAM
3014 # 4.14 pagevec_init takes one parameter
3016 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
3017 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
3019 #include <linux/pagevec.h>
3023 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
3024 ['pagevec_init' takes one parameter])
3026 ]) # LC_PAGEVEC_INIT_ONE_PARAM
3031 # 4.14 replaced bi_bdev to bi_disk
3033 AC_DEFUN([LC_BI_BDEV], [
3034 LB_CHECK_COMPILE([if 'bi_bdev' exist],
3036 #include <linux/bio.h>
3038 ((struct bio *)0)->bi_bdev = NULL;
3040 AC_DEFINE(HAVE_BI_BDEV, 1,
3041 ['bi_bdev' is available])
3048 # Lustre linux kernel checks
3050 AC_DEFUN([LC_PROG_LINUX], [
3051 AC_MSG_NOTICE([Lustre kernel checks
3052 ==============================================================================])
3057 LC_CONFIG_HEALTH_CHECK_WRITE
3058 LC_CONFIG_LRU_RESIZE
3060 LC_GLIBC_SUPPORT_FHANDLES
3066 LC_BLK_QUEUE_MAX_SEGMENTS
3069 LC_HAVE_XATTR_HANDLER_FLAGS
3072 LC_HAVE_DQUOT_FS_DISK_QUOTA
3073 LC_HAVE_DQUOT_SUSPEND
3074 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
3078 LC_EXPORT_SIMPLE_SETATTR
3079 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
3083 LC_SBOPS_EVICT_INODE
3087 LC_FS_STRUCT_SEQCOUNT
3090 LC_BLKDEV_GET_BY_DEV
3091 LC_GENERIC_PERMISSION
3099 LC_HAVE_FHANDLE_SYSCALLS
3100 LC_HAVE_FSTYPE_MOUNT
3101 LC_HAVE_INODE_OWNER_OR_CAPABLE
3102 LC_HAVE_SECURITY_IINITSEC
3105 LC_DIRTY_INODE_WITH_FLAG
3109 LC_LM_XXX_LOCK_MANAGER_OPS
3113 LC_INODE_PERMISION_2ARGS
3114 LC_RADIX_EXCEPTION_ENTRY
3115 LC_HAVE_LOOP_CTL_GET_FREE
3118 LC_HAVE_PROTECT_I_NLINK
3121 LC_HAVE_MIGRATE_HEADER
3122 LC_MIGRATEPAGE_4ARGS
3123 LC_SUPEROPS_USE_DENTRY
3124 LC_INODEOPS_USE_UMODE_T
3125 LC_HAVE_CACHE_REGISTER
3129 LC_KMAP_ATOMIC_HAS_1ARG
3133 LC_HAVE_ENCODE_FH_PARENT
3134 LC_FILE_LLSEEK_SIZE_5ARG
3137 LC_DATA_FOR_LLITE_IS_LIST
3138 LC_DENTRY_OPEN_USE_PATH
3139 LC_HAVE_IOP_ATOMIC_OPEN
3140 LC_HAVE_SB_START_WRITE
3143 LC_HAVE_POSIXACL_USER_NS
3146 LC_HAVE_FILE_F_INODE
3148 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
3151 LC_HAVE_HLIST_FOR_EACH_3ARG
3152 LC_HAVE_BIO_END_SECTOR
3156 LC_HAVE_REMOVE_PROC_SUBTREE
3158 LC_HAVE_PROJECT_QUOTA
3159 LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
3166 LC_HAVE_DENTRY_D_U_D_ALIAS
3167 LC_HAVE_DENTRY_D_CHILD
3168 LC_PID_NS_FOR_CHILDREN
3171 LC_OLDSIZE_TRUNCATE_PAGECACHE
3172 LC_PTR_ERR_OR_ZERO_MISSING
3174 LC_INIT_LIST_HEAD_RCU
3182 LC_HAVE_TRUNCATE_IPAGES_FINAL
3183 LC_IOPS_RENAME_WITH_FLAGS
3190 LC_DIRECTIO_USE_ITER
3191 LC_HAVE_IOV_ITER_INIT_DIRECTION
3192 LC_HAVE_IOV_ITER_TRUNCATE
3193 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3196 LC_HAVE_INTERVAL_BLK_INTEGRITY
3200 LC_PERCPU_COUNTER_INIT
3201 LC_NFS_FILLDIR_USE_CTX
3205 LC_HAVE_DQUOT_QC_DQBLK
3208 LC_BACKING_DEV_INFO_REMOVAL
3209 LC_HAVE_BDI_CAP_MAP_COPY
3212 LC_CANCEL_DIRTY_PAGE
3216 LC_HAVE_SYNC_READ_WRITE
3220 LC_NEW_CANCEL_DIRTY_PAGE
3221 LC_BIO_ENDIO_USES_ONE_ARG
3222 LC_SYMLINK_OPS_USE_NAMEIDATA
3225 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3226 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3227 LC_HAVE_CACHE_HEAD_HLIST
3228 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
3231 LC_HAVE_LOCKS_LOCK_FILE_WAIT
3232 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3233 LC_HAVE_XATTR_HANDLER_NAME
3235 LC_HAVE_SUBMIT_BIO_2ARGS
3236 LC_HAVE_CLEAN_BDEV_ALIASES
3243 LC_HAVE_IOP_GET_LINK
3246 LC_HAVE_IN_COMPAT_SYSCALL
3247 LC_HAVE_XATTR_HANDLER_INODE_PARAM
3252 LC_GENERIC_WRITE_SYNC_2ARGS
3253 LC_FOPS_ITERATE_SHARED
3256 LC_HAVE_POSIX_ACL_VALID_USER_NS
3258 LC_FULL_NAME_HASH_3ARGS
3259 LC_STRUCT_POSIX_ACL_XATTR
3265 LC_POSIX_ACL_UPDATE_MODE
3268 LC_IOP_GENERIC_READLINK
3269 LC_HAVE_VM_FAULT_ADDRESS
3272 LC_INODEOPS_ENHANCED_GETATTR
3273 LC_VM_OPERATIONS_REMOVE_VMF_ARG
3274 LC_HAVE_KEY_USAGE_REFCOUNT
3275 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
3279 LC_SUPER_SETUP_BDI_NAME
3283 LC_BIO_INTEGRITY_ENABLED
3286 LC_PAGEVEC_INIT_ONE_PARAM
3289 # kernel patch to extend integrity interface
3290 LC_BIO_INTEGRITY_PREP_FN
3293 AS_IF([test "x$enable_server" != xno], [
3303 # Check whether to build the client side of Lustre
3305 AC_DEFUN([LC_CONFIG_CLIENT], [
3306 AC_MSG_CHECKING([whether to build Lustre client support])
3307 AC_ARG_ENABLE([client],
3308 AC_HELP_STRING([--disable-client],
3309 [disable Lustre client support]),
3310 [], [enable_client="yes"])
3311 AC_MSG_RESULT([$enable_client])
3312 ]) # LC_CONFIG_CLIENT
3317 AC_DEFUN([LB_CONFIG_MPITESTS], [
3318 AC_ARG_ENABLE([mpitests],
3319 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
3320 [include mpi tests]), [
3321 enable_mpitests="yes"
3324 MPICC_WRAPPER="mpicc"
3327 enable_mpitests="no"
3330 MPICC_WRAPPER=$enableval
3334 enable_mpitests="yes"
3335 MPICC_WRAPPER="mpicc"
3338 if test "x$enable_mpitests" != "xno"; then
3341 AC_CACHE_CHECK([whether mpitests can be built],
3342 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
3346 MPI_Initialized(&flag);
3349 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
3351 enable_mpitests=$lb_cv_mpi_tests
3354 AC_SUBST(MPICC_WRAPPER)
3355 ]) # LB_CONFIG_MPITESTS
3360 # whether to enable quota support global control
3362 AC_DEFUN([LC_CONFIG_QUOTA], [
3363 AC_MSG_CHECKING([whether to enable quota support global control])
3364 AC_ARG_ENABLE([quota],
3365 AC_HELP_STRING([--enable-quota],
3366 [enable quota support]),
3367 [], [enable_quota="yes"])
3368 AS_IF([test "x$enable_quota" = xyes],
3369 [AC_MSG_RESULT([yes])],
3370 [AC_MSG_RESULT([no])])
3371 ]) # LC_CONFIG_QUOTA
3376 AC_DEFUN([LC_QUOTA], [
3380 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
3381 AC_CHECK_HEADER([sys/quota.h],
3382 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
3383 [Define to 1 if you have <sys/quota.h>.])],
3384 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
3391 # configure support for optional OSD implementation
3393 AC_DEFUN([LC_OSD_ADDON], [
3394 AC_MSG_CHECKING([whether to use OSD addon])
3396 AC_HELP_STRING([--with-osd=path],
3397 [set path to optional osd]),
3404 OSDADDON="$with_osd"
3411 AS_IF([test $ENABLEOSDADDON -eq 0], [
3415 OSDMODNAME=$(basename $OSDADDON)
3416 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
3417 AC_MSG_RESULT([can't link])
3419 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
3420 AC_MSG_RESULT([$OSDMODNAME])
3421 OSDADDON="subdir-m += $OSDMODNAME"
3423 AC_MSG_RESULT([can't link])
3433 # other configure checks
3435 AC_DEFUN([LC_CONFIGURE], [
3436 AC_MSG_NOTICE([Lustre core checks
3437 ==============================================================================])
3439 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
3440 [CFLAGS="$CFLAGS -Wall -Werror"])
3442 # maximum MDS thread count
3445 # lustre/utils/gss/gss_util.c
3446 # lustre/utils/gss/gssd_proc.c
3447 # lustre/utils/gss/krb5_util.c
3448 # lustre/utils/llog_reader.c
3449 # lustre/utils/create_iam.c
3450 # lustre/utils/libiam.c
3451 AC_CHECK_HEADERS([netdb.h endian.h])
3452 AC_CHECK_FUNCS([gethostbyname])
3454 # lustre/utils/llverdev.c
3455 AC_CHECK_HEADERS([blkid/blkid.h])
3457 # lustre/utils/llverfs.c
3458 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
3460 # lustre/utils/lfs.c
3461 AC_CHECK_LIB([z], [crc32], [
3462 AC_CHECK_HEADER([zlib.h], [], [
3463 AC_MSG_ERROR([zlib.h not found.])])
3466 zlib library not found. Please install zlib development package.])
3470 AC_CHECK_LIB([selinux], [is_selinux_enabled],
3471 [AC_CHECK_HEADERS([selinux/selinux.h],
3472 [SELINUX="-lselinux"
3473 AC_DEFINE([HAVE_SELINUX], 1,
3474 [support for selinux ])],
3477 No libselinux-devel package found, unable to build selinux enabled tools
3482 No selinux package found, unable to build selinux enabled tools
3488 AC_MSG_CHECKING([whether to report minimum OST free space])
3489 AC_ARG_ENABLE([mindf],
3490 AC_HELP_STRING([--enable-mindf],
3491 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
3492 [], [enable_mindf="no"])
3493 AC_MSG_RESULT([$enable_mindf])
3494 AS_IF([test "$enable_mindf" = "yes"],
3495 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
3497 AC_MSG_CHECKING([whether to randomly failing memory alloc])
3498 AC_ARG_ENABLE([fail_alloc],
3499 AC_HELP_STRING([--disable-fail-alloc],
3500 [disable randomly alloc failure]),
3501 [], [enable_fail_alloc="yes"])
3502 AC_MSG_RESULT([$enable_fail_alloc])
3503 AS_IF([test "x$enable_fail_alloc" != xno],
3504 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
3505 [enable randomly alloc failure])])
3507 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
3508 AC_ARG_ENABLE([invariants],
3509 AC_HELP_STRING([--enable-invariants],
3510 [enable invariant checking (cpu intensive)]),
3511 [], [enable_invariants="no"])
3512 AC_MSG_RESULT([$enable_invariants])
3513 AS_IF([test "x$enable_invariants" = xyes],
3514 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
3515 [enable invariant checking])])
3517 AC_MSG_CHECKING([whether to track references with lu_ref])
3518 AC_ARG_ENABLE([lu_ref],
3519 AC_HELP_STRING([--enable-lu_ref],
3520 [enable lu_ref reference tracking code]),
3521 [], [enable_lu_ref="no"])
3522 AC_MSG_RESULT([$enable_lu_ref])
3523 AS_IF([test "x$enable_lu_ref" = xyes],
3524 [AC_DEFINE([USE_LU_REF], 1,
3525 [enable lu_ref reference tracking code])])
3527 AC_MSG_CHECKING([whether to enable page state tracking])
3528 AC_ARG_ENABLE([pgstate-track],
3529 AC_HELP_STRING([--enable-pgstate-track],
3530 [enable page state tracking]),
3531 [], [enable_pgstat_track="no"])
3532 AC_MSG_RESULT([$enable_pgstat_track])
3533 AS_IF([test "x$enable_pgstat_track" = xyes],
3534 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
3535 [enable page state tracking code])])
3538 AC_MSG_CHECKING([systemd unit file directory])
3539 AC_ARG_WITH([systemdsystemunitdir],
3540 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
3541 [Directory for systemd service files])],
3542 [], [with_systemdsystemunitdir=auto])
3543 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
3544 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
3545 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
3546 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
3547 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
3548 with_systemdsystemunitdir=no],
3549 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
3550 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
3551 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
3552 AC_MSG_RESULT([$with_systemdsystemunitdir])
3558 # AM_CONDITIONALS for lustre
3560 AC_DEFUN([LC_CONDITIONALS], [
3561 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
3562 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
3563 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
3564 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
3565 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
3566 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
3567 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
3568 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
3569 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
3570 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
3571 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
3572 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
3573 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
3574 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
3575 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
3576 ]) # LC_CONDITIONALS
3581 # files that should be generated with AC_OUTPUT
3583 AC_DEFUN([LC_CONFIG_FILES],
3587 lustre/autoconf/Makefile
3588 lustre/conf/Makefile
3589 lustre/conf/resource/Makefile
3590 lustre/contrib/Makefile
3592 lustre/include/Makefile
3593 lustre/include/lustre/Makefile
3594 lustre/include/uapi/linux/lustre/Makefile
3595 lustre/kernel_patches/targets/3.10-rhel7.6.target
3596 lustre/kernel_patches/targets/3.10-rhel7.5.target
3597 lustre/kernel_patches/targets/4.14-rhel7.5.target
3598 lustre/kernel_patches/targets/4.14-rhel7.6.target
3599 lustre/kernel_patches/targets/2.6-rhel6.9.target
3600 lustre/kernel_patches/targets/2.6-rhel6.8.target
3601 lustre/kernel_patches/targets/2.6-rhel6.7.target
3602 lustre/kernel_patches/targets/2.6-rhel6.6.target
3603 lustre/kernel_patches/targets/2.6-rhel6.target
3604 lustre/kernel_patches/targets/2.6-rhel5.target
3605 lustre/kernel_patches/targets/2.6-sles11.target
3606 lustre/kernel_patches/targets/3.0-sles11.target
3607 lustre/kernel_patches/targets/3.0-sles11sp3.target
3608 lustre/kernel_patches/targets/3.0-sles11sp4.target
3609 lustre/kernel_patches/targets/3.12-sles12.target
3610 lustre/kernel_patches/targets/4.4-sles12.target
3611 lustre/kernel_patches/targets/4.4-sles12sp3.target
3612 lustre/kernel_patches/targets/4.12-sles12sp4.target
3613 lustre/kernel_patches/targets/2.6-fc11.target
3614 lustre/kernel_patches/targets/2.6-fc12.target
3615 lustre/kernel_patches/targets/2.6-fc15.target
3616 lustre/kernel_patches/targets/3.x-fc18.target
3617 lustre/ldlm/Makefile
3619 lustre/fid/autoMakefile
3620 lustre/llite/Makefile
3621 lustre/llite/autoMakefile
3623 lustre/lov/autoMakefile
3625 lustre/mdc/autoMakefile
3627 lustre/lmv/autoMakefile
3628 lustre/lfsck/Makefile
3629 lustre/lfsck/autoMakefile
3631 lustre/mdt/autoMakefile
3633 lustre/mdd/autoMakefile
3635 lustre/fld/autoMakefile
3636 lustre/obdclass/Makefile
3637 lustre/obdclass/autoMakefile
3638 lustre/obdecho/Makefile
3639 lustre/obdecho/autoMakefile
3641 lustre/ofd/autoMakefile
3643 lustre/osc/autoMakefile
3645 lustre/ost/autoMakefile
3646 lustre/osd-ldiskfs/Makefile
3647 lustre/osd-ldiskfs/autoMakefile
3648 lustre/osd-zfs/Makefile
3649 lustre/osd-zfs/autoMakefile
3651 lustre/mgc/autoMakefile
3653 lustre/mgs/autoMakefile
3654 lustre/target/Makefile
3655 lustre/ptlrpc/Makefile
3656 lustre/ptlrpc/autoMakefile
3657 lustre/ptlrpc/gss/Makefile
3658 lustre/ptlrpc/gss/autoMakefile
3659 lustre/quota/Makefile
3660 lustre/quota/autoMakefile
3661 lustre/scripts/Makefile
3662 lustre/scripts/systemd/Makefile
3663 lustre/tests/Makefile
3664 lustre/tests/mpi/Makefile
3665 lustre/tests/kernel/Makefile
3666 lustre/tests/kernel/autoMakefile
3667 lustre/utils/Makefile
3668 lustre/utils/gss/Makefile
3670 lustre/osp/autoMakefile
3672 lustre/lod/autoMakefile
3674 ]) # LC_CONFIG_FILES