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 # 3.10 exports security_inode_listsecurity
1502 AC_DEFUN([LC_HAVE_SECURITY_INODE_LISTSECURITY], [
1503 LB_CHECK_COMPILE([if security_inode_listsecurity() is available/exported],
1504 security_inode_listsecurity, [
1505 #include <linux/security.h>
1507 security_inode_listsecurity(NULL, NULL, 0);
1509 AC_DEFINE(HAVE_SECURITY_INODE_LISTSECURITY, 1,
1510 [security_inode_listsecurity() is available/exported])
1512 ]) # LC_HAVE_SECURITY_INODE_LISTSECURITY
1515 # LC_INVALIDATE_RANGE
1517 # 3.11 invalidatepage requires the length of the range to invalidate
1519 AC_DEFUN([LC_INVALIDATE_RANGE], [
1520 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1521 address_space_ops_invalidatepage_3args, [
1522 #include <linux/fs.h>
1524 struct address_space_operations a_ops;
1525 a_ops.invalidatepage(NULL, 0, 0);
1527 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1528 [address_space_operations.invalidatepage needs 3 arguments])
1530 ]) # LC_INVALIDATE_RANGE
1533 # LC_HAVE_DIR_CONTEXT
1535 # 3.11 readdir now takes the new struct dir_context
1537 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1538 LB_CHECK_COMPILE([if 'dir_context' exist],
1540 #include <linux/fs.h>
1542 #ifdef FMODE_KABI_ITERATE
1543 #error "back to use readdir in kabi_extand mode"
1545 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' exists],
1580 #include <linux/dcache.h>
1582 struct dentry de = { };
1585 count = d_count(&de);
1587 AC_DEFINE(HAVE_D_COUNT, 1,
1593 # LC_PID_NS_FOR_CHILDREN
1595 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
1597 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
1598 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
1599 pid_ns_for_children, [
1600 #include <linux/nsproxy.h>
1603 ns.pid_ns_for_children = NULL;
1605 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
1606 ['struct nsproxy' has 'pid_ns_for_children'])
1608 ]) # LC_PID_NS_FOR_CHILDREN
1611 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1613 # 3.12 truncate_pagecache without oldsize parameter
1615 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1616 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1617 truncate_pagecache_old_size, [
1618 #include <linux/mm.h>
1620 truncate_pagecache(NULL, 0, 0);
1622 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1625 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1628 # LC_PTR_ERR_OR_ZERO
1630 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
1631 # It was added to linux kernel 3.12
1633 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
1634 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
1636 #include <linux/err.h>
1638 if (PTR_ERR_OR_ZERO(NULL)) return 0;
1640 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
1641 ['PTR_ERR_OR_ZERO' exist])
1643 ]) # LC_PTR_ERR_OR_ZERO_MISSING
1646 # LC_HAVE_DENTRY_D_U_D_ALIAS
1648 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1650 # Some distros move d_alias to d_u but it is still a struct list
1652 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1653 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1654 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1656 #include <linux/list.h>
1657 #include <linux/dcache.h>
1660 INIT_LIST_HEAD(&de.d_u.d_alias);
1662 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1663 [list dentry.d_u.d_alias exist])
1666 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1668 #include <linux/list.h>
1669 #include <linux/dcache.h>
1672 INIT_HLIST_NODE(&de.d_u.d_alias);
1674 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1675 [hlist dentry.d_u.d_alias exist])
1678 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1681 # LC_HAVE_DENTRY_D_CHILD
1683 # 3.11 kernel d_child has been moved out of the union d_u
1686 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1687 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1689 #include <linux/list.h>
1690 #include <linux/dcache.h>
1693 INIT_LIST_HEAD(&de.d_child);
1695 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1696 [dentry.d_child exist])
1698 ]) # LC_HAVE_DENTRY_D_CHILD
1703 # 3.12 ki_left removed from struct kiocb
1705 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1706 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1708 #include <linux/aio.h>
1710 ((struct kiocb*)0)->ki_left = 0;
1712 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1715 ]) # LC_KIOCB_KI_LEFT
1718 # LC_INIT_LIST_HEAD_RCU
1720 # 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
1721 # which is unfortunately an inline function and not a macro
1722 # that can be tested directly, so it needs a configure check.
1724 AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
1725 LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
1726 init_list_head_rcu, [
1727 #include <linux/list.h>
1728 #include <linux/rculist.h>
1730 struct list_head list;
1731 INIT_LIST_HEAD_RCU(&list);
1733 AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
1734 [INIT_LIST_HEAD_RCU exists])
1736 ]) # LC_INIT_LIST_HEAD_RCU
1739 # LC_VFS_RENAME_5ARGS
1741 # 3.13 has vfs_rename with 5 args
1743 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1744 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1746 #include <linux/fs.h>
1748 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1750 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1751 [kernel has vfs_rename with 5 args])
1753 ]) # LC_VFS_RENAME_5ARGS
1756 # LC_VFS_UNLINK_3ARGS
1758 # 3.13 has vfs_unlink with 3 args
1760 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1761 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1763 #include <linux/fs.h>
1765 vfs_unlink(NULL, NULL, NULL);
1767 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1768 [kernel has vfs_unlink with 3 args])
1770 ]) # LC_VFS_UNLINK_3ARGS
1775 # 3.14 move some of its data in struct bio into the new
1778 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1779 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1781 #include <linux/bio.h>
1783 struct bvec_iter iter;
1785 iter.bi_bvec_done = 0;
1787 AC_DEFINE(HAVE_BVEC_ITER, 1,
1788 [kernel has struct bvec_iter])
1790 ]) # LC_HAVE_BVEC_ITER
1795 # 3.14 adds set_acl method to inode_operations
1796 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
1798 AC_DEFUN([LC_IOP_SET_ACL], [
1799 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
1800 inode_ops_set_acl, [
1801 #include <linux/fs.h>
1803 struct inode_operations iop;
1806 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
1807 [inode_operations has .set_acl member function])
1812 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1814 # 3.14 bring truncate_inode_pages_final for evict_inode
1816 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1817 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1818 truncate_ipages_final, [
1819 #include <linux/mm.h>
1821 truncate_inode_pages_final(NULL);
1823 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1824 [kernel has truncate_inode_pages_final])
1826 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1829 # LC_IOPS_RENAME_WITH_FLAGS
1831 # 3.14 has inode_operations->rename with 5 args
1832 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
1834 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
1835 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
1836 iops_rename_with_flags, [
1837 #include <linux/fs.h>
1839 struct inode *i1 = NULL, *i2 = NULL;
1840 struct dentry *d1 = NULL, *d2 = NULL;
1842 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
1844 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
1845 [inode_operations->rename need flags as argument])
1847 ]) # LC_IOPS_RENAME_WITH_FLAGS
1850 # LC_VFS_RENAME_6ARGS
1852 # 3.15 has vfs_rename with 6 args
1854 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1855 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1857 #include <linux/fs.h>
1859 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1861 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1862 [kernel has vfs_rename with 6 args])
1864 ]) # LC_VFS_RENAME_6ARGS
1867 # LC_DIRECTIO_USE_ITER
1869 # 3.16 kernel changes direct IO to use iov_iter
1871 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1872 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1874 #include <linux/fs.h>
1876 struct address_space_operations ops = { };
1877 struct iov_iter *iter = NULL;
1880 ops.direct_IO(0, NULL, iter, offset);
1882 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1883 [direct IO uses iov_iter])
1885 ]) # LC_DIRECTIO_USE_ITER
1888 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1891 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1892 # changed iov_iter_init api to start accepting a tag
1893 # that defines if its a read or write operation
1895 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1896 tmp_flags="$EXTRA_KCFLAGS"
1897 EXTRA_KCFLAGS="-Werror"
1898 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1900 #include <linux/uio.h>
1901 #include <linux/fs.h>
1903 const struct iovec *iov = NULL;
1905 iov_iter_init(NULL, READ, iov, 1, 0);
1907 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1908 [iov_iter_init handles directional tag])
1910 EXTRA_KCFLAGS="$tmp_flags"
1911 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1914 # LC_HAVE_IOV_ITER_TRUNCATE
1917 # 3.16 introduces a new API iov_iter_truncate()
1919 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1920 tmp_flags="$EXTRA_KCFLAGS"
1921 EXTRA_KCFLAGS="-Werror"
1922 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
1924 #include <linux/uio.h>
1925 #include <linux/fs.h>
1927 struct iov_iter *i = NULL;
1929 iov_iter_truncate(i, 0);
1931 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1933 EXTRA_KCFLAGS="$tmp_flags"
1934 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1937 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1939 # 3.16 introduces [read|write]_iter to struct file_operations
1941 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1942 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1943 file_function_iter, [
1944 #include <linux/fs.h>
1946 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1947 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1949 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1950 [file_operations.[read|write]_iter functions exist])
1952 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1955 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1957 # 3.17 replace sector_size with interval in struct blk_integrity
1959 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
1960 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
1961 interval_blk_integrity, [
1962 #include <linux/blkdev.h>
1964 ((struct blk_integrity *)0)->interval = 0;
1966 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
1967 [blk_integrity.interval exist])
1969 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
1974 # 3.17 replaces key_type::match with match_preparse
1975 # and has new struct key_match_data
1977 AC_DEFUN([LC_KEY_MATCH_DATA], [
1978 LB_CHECK_COMPILE([if struct key_match field exist],
1980 #include <linux/key-type.h>
1982 struct key_match_data data;
1984 data.raw_data = NULL;
1986 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
1987 [struct key_match_data exist])
1989 ]) # LC_KEY_MATCH_DATA
1992 # LC_NFS_FILLDIR_USE_CTX
1994 # 3.18 kernel moved from void cookie to struct dir_context
1996 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
1997 tmp_flags="$EXTRA_KCFLAGS"
1998 EXTRA_KCFLAGS="-Werror"
1999 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
2001 #include <linux/fs.h>
2003 int filldir(struct dir_context *ctx, const char* name,
2004 int i, loff_t off, u64 tmp, unsigned temp)
2009 struct dir_context ctx = {
2013 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
2015 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
2016 [filldir_t needs struct dir_context as argument])
2018 EXTRA_KCFLAGS="$tmp_flags"
2019 ]) # LC_NFS_FILLDIR_USE_CTX
2022 # LC_PERCPU_COUNTER_INIT
2024 # 3.18 For kernels 3.18 and after percpu_counter_init starts
2025 # to pass a GFP_* memory allocation flag for internal
2026 # memory allocation purposes.
2028 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
2029 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
2030 percpu_counter_init, [
2031 #include <linux/percpu_counter.h>
2033 percpu_counter_init(NULL, 0, GFP_KERNEL);
2035 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
2036 [percpu_counter_init uses GFP_* flag])
2038 ]) # LC_PERCPU_COUNTER_INIT
2041 # LC_KIOCB_HAS_NBYTES
2043 # 3.19 kernel removed ki_nbytes from struct kiocb
2045 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
2046 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
2048 #include <linux/fs.h>
2050 struct kiocb iocb = { };
2054 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
2056 ]) # LC_KIOCB_HAS_NBYTES
2059 # LC_HAVE_DQUOT_QC_DQBLK
2061 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
2062 # Added in commit 14bf61ffe
2064 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
2065 tmp_flags="$EXTRA_KCFLAGS"
2066 EXTRA_KCFLAGS="-Werror"
2067 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
2069 #include <linux/fs.h>
2070 #include <linux/quota.h>
2072 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
2074 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
2075 [quotactl_ops.set_dqblk takes struct qc_dqblk])
2076 AC_DEFINE(HAVE_DQUOT_KQID, 1,
2077 [quotactl_ops.set_dqblk takes struct kqid])
2079 EXTRA_KCFLAGS="$tmp_flags"
2080 ]) # LC_HAVE_DQUOT_QC_DQBLK
2083 # LC_BACKING_DEV_INFO_REMOVAL
2085 # 3.20 kernel removed backing_dev_info from address_space
2087 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
2088 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
2090 #include <linux/fs.h>
2092 struct address_space mapping;
2094 mapping.backing_dev_info = NULL;
2096 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
2098 ]) # LC_BACKING_DEV_INFO_REMOVAL
2101 # LC_HAVE_BDI_CAP_MAP_COPY
2103 # 3.20 removed mmap handling for backing devices since
2104 # it breaks on non-MMU systems. See kernel commit
2105 # b4caecd48005fbed3949dde6c1cb233142fd69e9
2107 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
2108 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
2110 #include <linux/backing-dev.h>
2112 struct backing_dev_info info;
2114 info.capabilities = BDI_CAP_MAP_COPY;
2116 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
2117 [BDI_CAP_MAP_COPY exist])
2119 ]) # LC_HAVE_BDI_CAP_MAP_COPY
2122 # LC_CANCEL_DIRTY_PAGE
2124 # 4.0.0 kernel removed cancel_dirty_page
2126 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
2127 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
2128 cancel_dirty_page, [
2129 #include <linux/mm.h>
2131 cancel_dirty_page(NULL, PAGE_SIZE);
2133 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
2134 [cancel_dirty_page is still available])
2136 ]) # LC_CANCEL_DIRTY_PAGE
2141 # 4.1 kernel has iov_iter_rw
2143 AC_DEFUN([LC_IOV_ITER_RW], [
2144 LB_CHECK_COMPILE([if iov_iter_rw exist],
2146 #include <linux/fs.h>
2147 #include <linux/uio.h>
2149 struct iov_iter *iter = NULL;
2153 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
2154 [iov_iter_rw exist])
2159 # LC_HAVE_SYNC_READ_WRITE
2161 # 4.1 new_sync_[read|write] no longer exported
2163 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
2164 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
2165 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
2166 [new_sync_[read|write] is exported by the kernel])])
2167 ]) # LC_HAVE_SYNC_READ_WRITE
2172 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
2174 AC_DEFUN([LC_HAVE___BI_CNT], [
2175 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
2177 #include <asm/atomic.h>
2178 #include <linux/bio.h>
2179 #include <linux/blk_types.h>
2181 struct bio bio = { };
2183 cnt = atomic_read(&bio.__bi_cnt);
2185 AC_DEFINE(HAVE___BI_CNT, 1,
2186 [struct bio has __bi_cnt])
2188 ]) # LC_HAVE___BI_CNT
2191 # LC_NEW_CANCEL_DIRTY_PAGE
2193 # 4.2 kernel has new cancel_dirty_page
2195 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
2196 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
2197 new_cancel_dirty_page, [
2198 #include <linux/mm.h>
2200 cancel_dirty_page(NULL);
2202 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
2203 [cancel_dirty_page with one arguement is available])
2205 ]) # LC_NEW_CANCEL_DIRTY_PAGE
2208 # LC_SYMLINK_OPS_USE_NAMEIDATA
2210 # For the 4.2+ kernels the file system internal symlink api no
2211 # longer uses struct nameidata as a argument
2213 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
2214 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
2215 symlink_use_nameidata, [
2216 #include <linux/namei.h>
2217 #include <linux/fs.h>
2219 struct nameidata *nd = NULL;
2221 ((struct inode_operations *)0)->follow_link(NULL, nd);
2222 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
2224 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
2225 [symlink inode operations need struct nameidata argument])
2227 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
2230 # LC_BIO_ENDIO_USES_ONE_ARG
2232 # 4.2 kernel bio_endio now only takes one argument
2234 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
2235 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
2237 #include <linux/bio.h>
2241 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
2242 [bio_endio takes only one argument])
2244 ]) # LC_BIO_ENDIO_USES_ONE_ARG
2247 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2249 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
2250 # 'struct blk_integrity_profile' is also added in this version,
2251 # thus use this to determine whether 'struct blk_integrity' has profile
2253 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
2254 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
2255 blk_integrity_interval_exp, [
2256 #include <linux/blkdev.h>
2258 ((struct blk_integrity *)0)->interval_exp = 0;
2260 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
2261 [blk_integrity.interval_exp exist])
2263 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2266 # LC_HAVE_LOOP_CTL_GET_FREE
2268 # 4.x kernel have moved userspace APIs to
2269 # the separate directory and all of them
2270 # support LOOP_CTL_GET_FREE
2272 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
2273 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
2274 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
2275 LOOP_CTL_GET_FREE, [
2276 #include <linux/loop.h>
2280 i = LOOP_CTL_GET_FREE;
2282 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2283 [LOOP_CTL_GET_FREE exist])
2286 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2287 [kernel has LOOP_CTL_GET_FREE])
2289 ]) # LC_HAVE_LOOP_CTL_GET_FREE
2292 # LC_HAVE_CACHE_HEAD_HLIST
2294 # 4.3 kernel swiched to hlist for cache_head
2296 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
2297 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
2298 cache_head_has_hlist, [
2299 #include <linux/sunrpc/cache.h>
2301 do {} while(sizeof(((struct cache_head *)0)->cache_list));
2303 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
2304 [cache_head has hlist cache_list])
2306 ]) # LC_HAVE_CACHE_HEAD_HLIST
2309 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2311 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
2312 # simplified xattr_handler handling by passing in the handler pointer
2314 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
2315 tmp_flags="$EXTRA_KCFLAGS"
2316 EXTRA_KCFLAGS="-Werror"
2317 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
2318 xattr_handler_simplified, [
2319 #include <linux/xattr.h>
2321 struct xattr_handler handler;
2323 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
2324 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
2326 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
2328 EXTRA_KCFLAGS="$tmp_flags"
2329 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2332 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2334 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
2336 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
2337 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
2338 bio_integrity_payload_bip_iter, [
2339 #include <linux/bio.h>
2341 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
2343 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
2344 [bio_integrity_payload.bip_iter exist])
2346 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2349 # LC_BIO_INTEGRITY_PREP_FN
2351 # Lustre kernel patch extents bio_integrity_prep to accept optional
2352 # generate/verify_fn as extra args.
2354 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
2355 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
2356 bio_integrity_prep_fn, [
2357 #include <linux/bio.h>
2359 bio_integrity_prep_fn(NULL, NULL, NULL);
2361 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
2362 [kernel has bio_integrity_prep_fn])
2363 AC_SUBST(PATCHED_INTEGRITY_INTF)
2365 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
2367 ]) # LC_BIO_INTEGRITY_PREP_FN
2372 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
2374 AC_DEFUN([LC_HAVE_BI_OPF], [
2375 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
2377 #include <linux/bio.h>
2383 AC_DEFINE(HAVE_BI_OPF, 1,
2384 [struct bio has bi_opf])
2389 # LC_HAVE_SUBMIT_BIO_2ARGS
2391 # 4.4 removed an argument from submit_bio
2393 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
2394 LB_CHECK_COMPILE([if submit_bio takes two arguments],
2395 have_submit_bio_2args, [
2396 #include <linux/bio.h>
2399 submit_bio(READ, &bio);
2401 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
2402 [submit_bio takes two arguments])
2404 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
2407 # LC_HAVE_CLEAN_BDEV_ALIASES
2409 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
2410 # (SLES12/kernel commit 29f3ad7d8380364c)
2412 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
2413 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
2414 have_clean_bdev_aliases, [
2415 #include <linux/buffer_head.h>
2417 struct block_device bdev;
2418 clean_bdev_aliases(&bdev,1,1);
2420 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
2421 [kernel has clean_bdev_aliases])
2423 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
2426 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2428 # 4.4 kernel have moved locks API users to
2429 # locks_lock_inode_wait()
2431 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2432 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2433 locks_lock_file_wait, [
2434 #include <linux/fs.h>
2436 locks_lock_file_wait(NULL, NULL);
2438 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2439 [kernel has locks_lock_file_wait])
2441 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2444 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2446 # 4.4 kernel merged type-specific data with the payload data for keys
2448 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2449 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2450 key_payload_data_array, [
2451 #include <linux/key.h>
2453 struct key key = { };
2455 key.payload.data[0] = NULL;
2457 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2459 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2462 # LC_HAVE_XATTR_HANDLER_NAME
2464 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
2465 # add a name member to struct xattr_handler
2467 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
2468 tmp_flags="$EXTRA_KCFLAGS"
2469 EXTRA_KCFLAGS="-Werror"
2470 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
2471 xattr_handler_name, [
2472 #include <linux/xattr.h>
2474 ((struct xattr_handler *)NULL)->name = NULL;
2476 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
2478 EXTRA_KCFLAGS="$tmp_flags"
2479 ]) # LC_HAVE_XATTR_HANDLER_NAME
2482 # LC_HAVE_FILE_DENTRY
2484 # 4.5 adds wrapper file_dentry
2486 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
2487 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
2489 #include <linux/fs.h>
2493 AC_DEFINE(HAVE_FILE_DENTRY, 1,
2494 [kernel has file_dentry])
2496 ]) # LC_HAVE_FILE_DENTRY
2499 # LC_HAVE_INODE_LOCK
2501 # 4.5 introduced inode_lock
2503 AC_DEFUN([LC_HAVE_INODE_LOCK], [
2504 LB_CHECK_COMPILE([if 'inode_lock' is defined],
2506 #include <linux/fs.h>
2510 AC_DEFINE(HAVE_INODE_LOCK, 1,
2511 [inode_lock is defined])
2513 ]) # LC_HAVE_INODE_LOCK
2516 # LC_HAVE_IOP_GET_LINK
2518 # 4.5 vfs replaced iop->follow_link with
2521 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
2522 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
2523 inode_ops_get_link, [
2524 #include <linux/fs.h>
2526 struct inode_operations iop;
2527 iop.get_link = NULL;
2529 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
2530 [have iop get_link])
2532 ]) # LC_HAVE_IOP_GET_LINK
2535 # LC_HAVE_IN_COMPAT_SYSCALL
2537 # 4.6 renamed is_compat_task to in_compat_syscall
2539 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
2540 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
2541 in_compat_syscall, [
2542 #include <linux/compat.h>
2544 in_compat_syscall();
2546 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
2547 [have in_compat_syscall])
2549 ]) # LC_HAVE_IN_COMPAT_SYSCALL
2552 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2554 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
2555 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
2556 # to xattr_handler functions
2558 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
2559 tmp_flags="$EXTRA_KCFLAGS"
2560 EXTRA_KCFLAGS="-Werror"
2561 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
2562 xattr_handler_inode_param, [
2563 #include <linux/xattr.h>
2565 const struct xattr_handler handler;
2567 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
2568 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
2570 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
2572 EXTRA_KCFLAGS="$tmp_flags"
2573 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2578 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
2579 # introduced parallel lookups in the VFS layer. The inline function
2580 # d_in_lookup was added to notify when the same item was being queried
2583 AC_DEFUN([LC_D_IN_LOOKUP], [
2584 tmp_flags="$EXTRA_KCFLAGS"
2585 EXTRA_KCFLAGS="-Werror"
2586 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
2588 #include <linux/dcache.h>
2592 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
2594 EXTRA_KCFLAGS="$tmp_flags"
2600 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2601 # direct-io: eliminate the offset argument to ->direct_IO
2603 AC_DEFUN([LC_DIRECTIO_2ARGS], [
2604 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
2606 #include <linux/fs.h>
2608 struct address_space_operations ops = { };
2609 struct iov_iter *iter = NULL;
2610 struct kiocb *iocb = NULL;
2613 rc = ops.direct_IO(iocb, iter);
2615 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
2616 [direct_IO need 2 arguments])
2618 ]) # LC_DIRECTIO_2ARGS
2621 # LC_GENERIC_WRITE_SYNC_2ARGS
2623 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2624 # direct-io: eliminate the offset argument to ->direct_IO
2626 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
2627 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
2628 generic_write_sync_2args, [
2629 #include <linux/fs.h>
2631 struct kiocb *iocb = NULL;
2634 rc = generic_write_sync(iocb, 0);
2636 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
2637 [generic_write_sync need 2 arguments])
2639 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
2642 # LC_FOP_ITERATE_SHARED
2644 # Kernel version 4.7 adds iterate_shared method to file_operations
2646 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
2647 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
2648 fop_iterate_shared, [
2649 #include <linux/fs.h>
2651 struct file_operations fop;
2652 fop.iterate_shared = NULL;
2654 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
2655 [file_operations has iterate_shared])
2657 ]) # LC_FOP_ITERATE_SHARED
2660 # LC_FOPS_ITERATE_SHARED
2662 # 4.7 commit ae05327a00fd47c34dfe25294b359a3f3fef96e8
2663 # ext4: switch to ->iterate_shared()
2664 # this replaces ext4_dir_operations iterate with iterate_shared.
2665 # dir_relaxed_shared() was also added in this commit, so we can
2666 # use that function to verify that the ext4_dir_operations is using
2669 AC_DEFUN([LC_FOPS_ITERATE_SHARED], [
2670 LB_CHECK_COMPILE([if ext4_dir_operations uses iterate_shared],
2672 #include <linux/fs.h>
2674 ((struct file_operations *)0)->iterate_shared(NULL, NULL);
2675 dir_relax_shared(NULL);
2677 AC_DEFINE(HAVE_ITERATE_SHARED, 1,
2678 ['iterate_shared' is available])
2680 ]) # LC_FOPS_ITERATE_SHARED
2683 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2685 # 4.8 posix_acl_valid takes struct user_namespace
2687 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2688 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
2690 #include <linux/fs.h>
2691 #include <linux/posix_acl.h>
2693 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2695 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2696 [posix_acl_valid takes struct user_namespace])
2698 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2701 # LC_D_COMPARE_4ARGS
2703 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2704 # get rid of 'parent' argument of ->d_compare()
2706 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2707 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
2709 #include <linux/dcache.h>
2711 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2713 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2714 [d_compare need 4 arguments])
2716 ]) # LC_D_COMPARE_4ARGS
2719 # LC_FULL_NAME_HASH_3ARGS
2721 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2722 # vfs: make the string hashes salt the hash
2724 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2725 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
2726 full_name_hash_3args, [
2727 #include <linux/stringhash.h>
2730 hash = full_name_hash(NULL,NULL,0);
2732 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2733 [full_name_hash need 3 arguments])
2735 ]) # LC_FULL_NAME_HASH_3ARGS
2738 # LC_STRUCT_POSIX_ACL_XATTR
2740 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2741 # posix_acl: xattr representation cleanups
2743 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2744 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
2745 struct_posix_acl_xattr, [
2746 #include <linux/fs.h>
2747 #include <linux/posix_acl_xattr.h>
2749 struct posix_acl_xattr_header *h = NULL;
2750 struct posix_acl_xattr_entry *e;
2751 e = (void *)(h + 1);
2753 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2754 [struct posix_acl_xattr_{header,entry} defined])
2756 ]) # LC_STRUCT_POSIX_ACL_XATTR
2761 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2762 # removed {get,set,remove}xattr inode operations
2764 AC_DEFUN([LC_IOP_XATTR], [
2765 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
2767 #include <linux/fs.h>
2769 struct inode_operations iop;
2770 iop.setxattr = NULL;
2771 iop.getxattr = NULL;
2772 iop.removexattr = NULL;
2774 AC_DEFINE(HAVE_IOP_XATTR, 1,
2775 [inode_operations has {get,set,remove}xattr members])
2782 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2783 # cred: simpler, 1D supplementary groups
2785 AC_DEFUN([LC_GROUP_INFO_GID], [
2786 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
2788 #include <linux/cred.h>
2791 p = ((struct group_info *)0)->gid;
2793 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2794 [struct group_info has member gid])
2796 ]) # LC_GROUP_INFO_GID
2801 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2802 # added __vfs_{get,set,remove}xattr helpers
2804 AC_DEFUN([LC_VFS_SETXATTR], [
2805 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
2807 #include <linux/xattr.h>
2809 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2811 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
2812 ['__vfs_setxattr is available])
2814 ]) # LC_VFS_SETXATTR
2817 # LC_POSIX_ACL_UPDATE_MODE
2819 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2820 # posix_acl: Clear SGID bit when setting file permissions
2822 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2823 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
2824 posix_acl_update_mode, [
2825 #include <linux/fs.h>
2826 #include <linux/posix_acl.h>
2828 posix_acl_update_mode(NULL, NULL, NULL);
2830 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2831 ['posix_acl_update_mode' is available])
2833 ]) # LC_POSIX_ACL_UPDATE_MODE
2836 # LC_IOP_GENERIC_READLINK
2838 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2839 # removed generic_readlink from individual file systems
2841 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2842 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
2843 inode_ops_readlink, [
2844 #include <linux/fs.h>
2846 struct inode_operations iop;
2847 iop.readlink = generic_readlink;
2849 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2850 [generic_readlink has been removed])
2852 ]) # LC_IOP_GENERIC_READLINK
2855 # LC_HAVE_VM_FAULT_ADDRESS
2857 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2858 # removed virtual_address field. Need to use address field instead
2860 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2861 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
2863 #include <linux/mm.h>
2865 struct vm_fault vmf;
2868 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2869 [virtual_address has been replaced by address field])
2871 ]) # LC_HAVE_VM_FAULT_ADDRESS
2874 # LC_INODEOPS_ENHANCED_GETATTR
2876 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2877 # expanded getattr to be able to get more stat information.
2879 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2880 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
2882 #include <linux/fs.h>
2886 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2888 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2889 [inode_operations .getattr member function can gather advance stats])
2891 ]) # LC_INODEOPS_ENHANCED_GETATTR
2894 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2896 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2897 # removed struct vm_area_struct as an argument for vm_operations since
2898 # in the same kernel version struct vma_area_struct was folded into
2901 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2902 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
2903 vm_operations_no_vm_area_struct, [
2904 #include <linux/mm.h>
2906 struct vm_fault vmf;
2908 ((struct vm_operations_struct *)0)->fault(&vmf);
2909 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2911 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2912 ['struct vm_operations' remove struct vm_area_struct argument])
2914 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2917 # LC_HAVE_KEY_USAGE_REFCOUNT
2919 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2920 # converted key.usage from atomic_t to refcount_t.
2922 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2923 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
2924 key_usage_refcount, [
2925 #include <linux/key.h>
2927 struct key key = { };
2929 refcount_read(&key.usage);
2931 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
2933 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2936 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2938 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2939 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2941 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2942 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
2943 crypto_max_alg_name, [
2944 #include <linux/crypto.h>
2946 #if CRYPTO_MAX_ALG_NAME != 128
2950 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2951 ['CRYPTO_MAX_ALG_NAME' is 128])
2953 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2956 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2957 # CURRENT_TIME is not 64 bit time safe so it was replaced with
2960 AC_DEFUN([LC_CURRENT_TIME], [
2961 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
2963 #include <linux/fs.h>
2967 attr.ia_atime = current_time(NULL);
2969 AC_DEFINE(HAVE_CURRENT_TIME, 1,
2970 [current_time() has replaced CURRENT_TIME])
2972 ]) # LIBCFS_CURRENT_TIME
2975 # LC_SUPER_SETUP_BDI_NAME
2977 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
2978 # unified bdi handling
2980 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
2981 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
2982 super_setup_bdi_name, [
2983 #include <linux/fs.h>
2985 super_setup_bdi_name(NULL, "lustre");
2987 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
2988 ['super_setup_bdi_name' is available])
2990 ]) # LC_SUPER_SETUP_BDI_NAME
2995 # 4.12 replace bi_error to bi_status
2997 AC_DEFUN([LC_BI_STATUS], [
2998 LB_CHECK_COMPILE([if 'bi_status' exist],
3000 #include <linux/blk_types.h>
3002 ((struct bio *)0)->bi_status = 0;
3004 AC_DEFINE(HAVE_BI_STATUS, 1,
3005 ['bi_status' is available])
3010 # LC_BIO_INTEGRITY_ENABLED
3012 # 4.13 removed bio_integrity_enabled
3014 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
3015 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
3016 bio_integrity_enabled, [
3017 #include <linux/bio.h>
3019 bio_integrity_enabled(NULL);
3021 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
3022 ['bio_integrity_enabled' is available])
3024 ]) # LC_BIO_INTEGRITY_ENABLED
3027 # LC_PAGEVEC_INIT_ONE_PARAM
3029 # 4.14 pagevec_init takes one parameter
3031 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
3032 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
3034 #include <linux/pagevec.h>
3038 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
3039 ['pagevec_init' takes one parameter])
3041 ]) # LC_PAGEVEC_INIT_ONE_PARAM
3046 # 4.14 replaced bi_bdev to bi_disk
3048 AC_DEFUN([LC_BI_BDEV], [
3049 LB_CHECK_COMPILE([if 'bi_bdev' exist],
3051 #include <linux/bio.h>
3053 ((struct bio *)0)->bi_bdev = NULL;
3055 AC_DEFINE(HAVE_BI_BDEV, 1,
3056 ['bi_bdev' is available])
3063 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
3065 AC_DEFUN([LC_I_PAGES], [
3066 LB_CHECK_COMPILE([if struct address_space has i_pages],
3068 #include <linux/fs.h>
3070 struct address_space mapping = {};
3073 i_pages = &mapping.i_pages;
3075 AC_DEFINE(HAVE_I_PAGES, 1,
3076 [struct address_space has i_pages])
3083 # Lustre linux kernel checks
3085 AC_DEFUN([LC_PROG_LINUX], [
3086 AC_MSG_NOTICE([Lustre kernel checks
3087 ==============================================================================])
3092 LC_CONFIG_HEALTH_CHECK_WRITE
3093 LC_CONFIG_LRU_RESIZE
3095 LC_GLIBC_SUPPORT_FHANDLES
3101 LC_BLK_QUEUE_MAX_SEGMENTS
3104 LC_HAVE_XATTR_HANDLER_FLAGS
3107 LC_HAVE_DQUOT_FS_DISK_QUOTA
3108 LC_HAVE_DQUOT_SUSPEND
3109 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
3113 LC_EXPORT_SIMPLE_SETATTR
3114 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
3118 LC_SBOPS_EVICT_INODE
3122 LC_FS_STRUCT_SEQCOUNT
3125 LC_BLKDEV_GET_BY_DEV
3126 LC_GENERIC_PERMISSION
3134 LC_HAVE_FHANDLE_SYSCALLS
3135 LC_HAVE_FSTYPE_MOUNT
3136 LC_HAVE_INODE_OWNER_OR_CAPABLE
3137 LC_HAVE_SECURITY_IINITSEC
3140 LC_DIRTY_INODE_WITH_FLAG
3144 LC_LM_XXX_LOCK_MANAGER_OPS
3148 LC_INODE_PERMISION_2ARGS
3149 LC_RADIX_EXCEPTION_ENTRY
3150 LC_HAVE_LOOP_CTL_GET_FREE
3153 LC_HAVE_PROTECT_I_NLINK
3156 LC_HAVE_MIGRATE_HEADER
3157 LC_MIGRATEPAGE_4ARGS
3158 LC_SUPEROPS_USE_DENTRY
3159 LC_INODEOPS_USE_UMODE_T
3160 LC_HAVE_CACHE_REGISTER
3164 LC_KMAP_ATOMIC_HAS_1ARG
3168 LC_HAVE_ENCODE_FH_PARENT
3169 LC_FILE_LLSEEK_SIZE_5ARG
3172 LC_DATA_FOR_LLITE_IS_LIST
3173 LC_DENTRY_OPEN_USE_PATH
3174 LC_HAVE_IOP_ATOMIC_OPEN
3175 LC_HAVE_SB_START_WRITE
3178 LC_HAVE_POSIXACL_USER_NS
3181 LC_HAVE_FILE_F_INODE
3183 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
3186 LC_HAVE_HLIST_FOR_EACH_3ARG
3187 LC_HAVE_BIO_END_SECTOR
3191 LC_HAVE_REMOVE_PROC_SUBTREE
3193 LC_HAVE_PROJECT_QUOTA
3194 LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
3195 LC_HAVE_SECURITY_INODE_LISTSECURITY
3202 LC_HAVE_DENTRY_D_U_D_ALIAS
3203 LC_HAVE_DENTRY_D_CHILD
3204 LC_PID_NS_FOR_CHILDREN
3207 LC_OLDSIZE_TRUNCATE_PAGECACHE
3208 LC_PTR_ERR_OR_ZERO_MISSING
3210 LC_INIT_LIST_HEAD_RCU
3218 LC_HAVE_TRUNCATE_IPAGES_FINAL
3219 LC_IOPS_RENAME_WITH_FLAGS
3226 LC_DIRECTIO_USE_ITER
3227 LC_HAVE_IOV_ITER_INIT_DIRECTION
3228 LC_HAVE_IOV_ITER_TRUNCATE
3229 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3232 LC_HAVE_INTERVAL_BLK_INTEGRITY
3236 LC_PERCPU_COUNTER_INIT
3237 LC_NFS_FILLDIR_USE_CTX
3241 LC_HAVE_DQUOT_QC_DQBLK
3244 LC_BACKING_DEV_INFO_REMOVAL
3245 LC_HAVE_BDI_CAP_MAP_COPY
3248 LC_CANCEL_DIRTY_PAGE
3252 LC_HAVE_SYNC_READ_WRITE
3256 LC_NEW_CANCEL_DIRTY_PAGE
3257 LC_BIO_ENDIO_USES_ONE_ARG
3258 LC_SYMLINK_OPS_USE_NAMEIDATA
3261 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3262 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3263 LC_HAVE_CACHE_HEAD_HLIST
3264 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
3267 LC_HAVE_LOCKS_LOCK_FILE_WAIT
3268 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3269 LC_HAVE_XATTR_HANDLER_NAME
3271 LC_HAVE_SUBMIT_BIO_2ARGS
3272 LC_HAVE_CLEAN_BDEV_ALIASES
3279 LC_HAVE_IOP_GET_LINK
3282 LC_HAVE_IN_COMPAT_SYSCALL
3283 LC_HAVE_XATTR_HANDLER_INODE_PARAM
3288 LC_GENERIC_WRITE_SYNC_2ARGS
3289 LC_FOPS_ITERATE_SHARED
3292 LC_HAVE_POSIX_ACL_VALID_USER_NS
3294 LC_FULL_NAME_HASH_3ARGS
3295 LC_STRUCT_POSIX_ACL_XATTR
3301 LC_POSIX_ACL_UPDATE_MODE
3304 LC_IOP_GENERIC_READLINK
3305 LC_HAVE_VM_FAULT_ADDRESS
3308 LC_INODEOPS_ENHANCED_GETATTR
3309 LC_VM_OPERATIONS_REMOVE_VMF_ARG
3310 LC_HAVE_KEY_USAGE_REFCOUNT
3311 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
3315 LC_SUPER_SETUP_BDI_NAME
3319 LC_BIO_INTEGRITY_ENABLED
3322 LC_PAGEVEC_INIT_ONE_PARAM
3328 # kernel patch to extend integrity interface
3329 LC_BIO_INTEGRITY_PREP_FN
3332 AS_IF([test "x$enable_server" != xno], [
3342 # Check whether to build the client side of Lustre
3344 AC_DEFUN([LC_CONFIG_CLIENT], [
3345 AC_MSG_CHECKING([whether to build Lustre client support])
3346 AC_ARG_ENABLE([client],
3347 AC_HELP_STRING([--disable-client],
3348 [disable Lustre client support]),
3349 [], [enable_client="yes"])
3350 AC_MSG_RESULT([$enable_client])
3351 ]) # LC_CONFIG_CLIENT
3356 AC_DEFUN([LB_CONFIG_MPITESTS], [
3357 AC_ARG_ENABLE([mpitests],
3358 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
3359 [include mpi tests]), [
3360 enable_mpitests="yes"
3363 MPICC_WRAPPER="mpicc"
3366 enable_mpitests="no"
3369 MPICC_WRAPPER=$enableval
3373 enable_mpitests="yes"
3374 MPICC_WRAPPER="mpicc"
3377 if test "x$enable_mpitests" != "xno"; then
3380 AC_CACHE_CHECK([whether mpitests can be built],
3381 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
3385 MPI_Initialized(&flag);
3388 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
3390 enable_mpitests=$lb_cv_mpi_tests
3393 AC_SUBST(MPICC_WRAPPER)
3394 ]) # LB_CONFIG_MPITESTS
3399 # whether to enable quota support global control
3401 AC_DEFUN([LC_CONFIG_QUOTA], [
3402 AC_MSG_CHECKING([whether to enable quota support global control])
3403 AC_ARG_ENABLE([quota],
3404 AC_HELP_STRING([--enable-quota],
3405 [enable quota support]),
3406 [], [enable_quota="yes"])
3407 AS_IF([test "x$enable_quota" = xyes],
3408 [AC_MSG_RESULT([yes])],
3409 [AC_MSG_RESULT([no])])
3410 ]) # LC_CONFIG_QUOTA
3415 AC_DEFUN([LC_QUOTA], [
3419 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
3420 AC_CHECK_HEADER([sys/quota.h],
3421 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
3422 [Define to 1 if you have <sys/quota.h>.])],
3423 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
3430 # configure support for optional OSD implementation
3432 AC_DEFUN([LC_OSD_ADDON], [
3433 AC_MSG_CHECKING([whether to use OSD addon])
3435 AC_HELP_STRING([--with-osd=path],
3436 [set path to optional osd]),
3443 OSDADDON="$with_osd"
3450 AS_IF([test $ENABLEOSDADDON -eq 0], [
3454 OSDMODNAME=$(basename $OSDADDON)
3455 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
3456 AC_MSG_RESULT([can't link])
3458 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
3459 AC_MSG_RESULT([$OSDMODNAME])
3460 OSDADDON="subdir-m += $OSDMODNAME"
3462 AC_MSG_RESULT([can't link])
3472 # other configure checks
3474 AC_DEFUN([LC_CONFIGURE], [
3475 AC_MSG_NOTICE([Lustre core checks
3476 ==============================================================================])
3478 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
3479 [CFLAGS="$CFLAGS -Wall -Werror"])
3481 # maximum MDS thread count
3484 # lustre/utils/gss/gss_util.c
3485 # lustre/utils/gss/gssd_proc.c
3486 # lustre/utils/gss/krb5_util.c
3487 # lustre/utils/llog_reader.c
3488 # lustre/utils/create_iam.c
3489 # lustre/utils/libiam.c
3490 AC_CHECK_HEADERS([netdb.h endian.h])
3491 AC_CHECK_FUNCS([gethostbyname])
3493 # lustre/utils/llverdev.c
3494 AC_CHECK_HEADERS([blkid/blkid.h])
3496 # lustre/utils/llverfs.c
3497 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
3499 # lustre/utils/lfs.c
3500 AS_IF([test "$enable_dist" = "no"], [
3501 AC_CHECK_LIB([z], [crc32], [
3502 AC_CHECK_HEADER([zlib.h], [], [
3503 AC_MSG_ERROR([zlib.h not found.])])
3506 zlib library not found. Please install zlib development package.])
3511 AC_CHECK_LIB([selinux], [is_selinux_enabled],
3512 [AC_CHECK_HEADERS([selinux/selinux.h],
3513 [SELINUX="-lselinux"
3514 AC_DEFINE([HAVE_SELINUX], 1,
3515 [support for selinux ])],
3518 No libselinux-devel package found, unable to build selinux enabled tools
3523 No selinux package found, unable to build selinux enabled tools
3529 AC_MSG_CHECKING([whether to report minimum OST free space])
3530 AC_ARG_ENABLE([mindf],
3531 AC_HELP_STRING([--enable-mindf],
3532 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
3533 [], [enable_mindf="no"])
3534 AC_MSG_RESULT([$enable_mindf])
3535 AS_IF([test "$enable_mindf" = "yes"],
3536 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
3538 AC_MSG_CHECKING([whether to randomly failing memory alloc])
3539 AC_ARG_ENABLE([fail_alloc],
3540 AC_HELP_STRING([--disable-fail-alloc],
3541 [disable randomly alloc failure]),
3542 [], [enable_fail_alloc="yes"])
3543 AC_MSG_RESULT([$enable_fail_alloc])
3544 AS_IF([test "x$enable_fail_alloc" != xno],
3545 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
3546 [enable randomly alloc failure])])
3548 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
3549 AC_ARG_ENABLE([invariants],
3550 AC_HELP_STRING([--enable-invariants],
3551 [enable invariant checking (cpu intensive)]),
3552 [], [enable_invariants="no"])
3553 AC_MSG_RESULT([$enable_invariants])
3554 AS_IF([test "x$enable_invariants" = xyes],
3555 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
3556 [enable invariant checking])])
3558 AC_MSG_CHECKING([whether to track references with lu_ref])
3559 AC_ARG_ENABLE([lu_ref],
3560 AC_HELP_STRING([--enable-lu_ref],
3561 [enable lu_ref reference tracking code]),
3562 [], [enable_lu_ref="no"])
3563 AC_MSG_RESULT([$enable_lu_ref])
3564 AS_IF([test "x$enable_lu_ref" = xyes],
3565 [AC_DEFINE([USE_LU_REF], 1,
3566 [enable lu_ref reference tracking code])])
3568 AC_MSG_CHECKING([whether to enable page state tracking])
3569 AC_ARG_ENABLE([pgstate-track],
3570 AC_HELP_STRING([--enable-pgstate-track],
3571 [enable page state tracking]),
3572 [], [enable_pgstat_track="no"])
3573 AC_MSG_RESULT([$enable_pgstat_track])
3574 AS_IF([test "x$enable_pgstat_track" = xyes],
3575 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
3576 [enable page state tracking code])])
3579 AC_MSG_CHECKING([systemd unit file directory])
3580 AC_ARG_WITH([systemdsystemunitdir],
3581 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
3582 [Directory for systemd service files])],
3583 [], [with_systemdsystemunitdir=auto])
3584 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
3585 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
3586 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
3587 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
3588 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
3589 with_systemdsystemunitdir=no],
3590 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
3591 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
3592 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
3593 AC_MSG_RESULT([$with_systemdsystemunitdir])
3599 # AM_CONDITIONALS for lustre
3601 AC_DEFUN([LC_CONDITIONALS], [
3602 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
3603 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
3604 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
3605 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
3606 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
3607 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
3608 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
3609 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
3610 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
3611 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
3612 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
3613 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
3614 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
3615 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
3616 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
3617 ]) # LC_CONDITIONALS
3622 # files that should be generated with AC_OUTPUT
3624 AC_DEFUN([LC_CONFIG_FILES],
3628 lustre/autoconf/Makefile
3629 lustre/conf/Makefile
3630 lustre/conf/resource/Makefile
3631 lustre/contrib/Makefile
3633 lustre/include/Makefile
3634 lustre/include/lustre/Makefile
3635 lustre/include/uapi/linux/lustre/Makefile
3636 lustre/kernel_patches/targets/4.18-rhel8.target
3637 lustre/kernel_patches/targets/3.10-rhel7.6.target
3638 lustre/kernel_patches/targets/3.10-rhel7.5.target
3639 lustre/kernel_patches/targets/4.14-rhel7.5.target
3640 lustre/kernel_patches/targets/4.14-rhel7.6.target
3641 lustre/kernel_patches/targets/2.6-rhel6.9.target
3642 lustre/kernel_patches/targets/2.6-rhel6.8.target
3643 lustre/kernel_patches/targets/2.6-rhel6.7.target
3644 lustre/kernel_patches/targets/2.6-rhel6.6.target
3645 lustre/kernel_patches/targets/2.6-rhel6.target
3646 lustre/kernel_patches/targets/2.6-rhel5.target
3647 lustre/kernel_patches/targets/2.6-sles11.target
3648 lustre/kernel_patches/targets/3.0-sles11.target
3649 lustre/kernel_patches/targets/3.0-sles11sp3.target
3650 lustre/kernel_patches/targets/3.0-sles11sp4.target
3651 lustre/kernel_patches/targets/3.12-sles12.target
3652 lustre/kernel_patches/targets/4.4-sles12.target
3653 lustre/kernel_patches/targets/4.4-sles12sp3.target
3654 lustre/kernel_patches/targets/4.12-sles12sp4.target
3655 lustre/kernel_patches/targets/2.6-fc11.target
3656 lustre/kernel_patches/targets/2.6-fc12.target
3657 lustre/kernel_patches/targets/2.6-fc15.target
3658 lustre/kernel_patches/targets/3.x-fc18.target
3659 lustre/ldlm/Makefile
3661 lustre/fid/autoMakefile
3662 lustre/llite/Makefile
3663 lustre/llite/autoMakefile
3665 lustre/lov/autoMakefile
3667 lustre/mdc/autoMakefile
3669 lustre/lmv/autoMakefile
3670 lustre/lfsck/Makefile
3671 lustre/lfsck/autoMakefile
3673 lustre/mdt/autoMakefile
3675 lustre/mdd/autoMakefile
3677 lustre/fld/autoMakefile
3678 lustre/obdclass/Makefile
3679 lustre/obdclass/autoMakefile
3680 lustre/obdecho/Makefile
3681 lustre/obdecho/autoMakefile
3683 lustre/ofd/autoMakefile
3685 lustre/osc/autoMakefile
3687 lustre/ost/autoMakefile
3688 lustre/osd-ldiskfs/Makefile
3689 lustre/osd-ldiskfs/autoMakefile
3690 lustre/osd-zfs/Makefile
3691 lustre/osd-zfs/autoMakefile
3693 lustre/mgc/autoMakefile
3695 lustre/mgs/autoMakefile
3696 lustre/target/Makefile
3697 lustre/ptlrpc/Makefile
3698 lustre/ptlrpc/autoMakefile
3699 lustre/ptlrpc/gss/Makefile
3700 lustre/ptlrpc/gss/autoMakefile
3701 lustre/quota/Makefile
3702 lustre/quota/autoMakefile
3703 lustre/scripts/Makefile
3704 lustre/scripts/systemd/Makefile
3705 lustre/tests/Makefile
3706 lustre/tests/mpi/Makefile
3707 lustre/tests/kernel/Makefile
3708 lustre/tests/kernel/autoMakefile
3709 lustre/utils/Makefile
3710 lustre/utils/gss/Makefile
3712 lustre/osp/autoMakefile
3714 lustre/lod/autoMakefile
3716 ]) # LC_CONFIG_FILES