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 # 2.6.37 remove kernel_locked
586 AC_DEFUN([LC_KERNEL_LOCKED], [
587 LB_CHECK_COMPILE([if 'kernel_locked' is defined],
589 #include <linux/smp_lock.h>
593 AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
595 ]) # LC_KERNEL_LOCKED
598 # LC_FS_STRUCT_SEQCOUNT
600 # 2.6.37 uses seqlock in fs_struct
602 AC_DEFUN([LC_FS_STRUCT_SEQCOUNT], [
603 LB_CHECK_COMPILE([if fs_struct use seqcount],
604 fs_struct_seqcount, [
605 #include <linux/fs_struct.h>
607 ((struct fs_struct *)0)->seq = (struct seqcount){ 0 };
609 AC_DEFINE(HAVE_FS_STRUCT_SEQCOUNT, 1, [fs_struct use seqcount])
611 ]) # LC_FS_STRUCT_SEQCOUNT
615 # Kernel version 2.6.37 commit ec2447c278ee973d35f38e53ca16ba7f965ae33d
616 # dentry_path_raw is exported
618 AC_DEFUN([LC_DENTRY_PATH_RAW], [
619 LB_CHECK_COMPILE([if 'dentry_path_raw' exist],
621 #include <linux/dcache.h>
623 dentry_path_raw(NULL, NULL, 0);
625 AC_DEFINE(HAVE_DENTRY_PATH_RAW, 1,
626 ['dentry_path_raw' is available])
628 ]) # LC_DENTRY_PATH_RAW
633 # 2.6.38 dentry_operations.d_compare() taken 7 arguments.
635 AC_DEFUN([LC_D_COMPARE_7ARGS], [
636 LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
637 dentry_ops_d_compare_7arg, [
638 #include <linux/dcache.h>
640 ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
642 AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
644 ]) # LC_D_COMPARE_7ARGS
649 # 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
651 AC_DEFUN([LC_D_DELETE_CONST], [
652 tmp_flags="$EXTRA_KCFLAGS"
653 EXTRA_KCFLAGS="-Werror"
654 LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
655 dentry_ops_d_delete_1st_const, [
656 #include <linux/dcache.h>
658 const struct dentry *d = NULL;
659 ((struct dentry_operations*)0)->d_delete(d);
661 AC_DEFINE(HAVE_D_DELETE_CONST, const,
662 [d_delete first parameter declared const])
664 AC_DEFINE(HAVE_D_DELETE_CONST, [],
665 [d_delete first parameter declared is not const])
667 EXTRA_KCFLAGS="$tmp_flags"
668 ]) # LC_D_DELETE_CONST
673 # 2.6.38 dcache_lock removed. rcu-walk committed.
675 AC_DEFUN([LC_DCACHE_LOCK], [
676 LB_CHECK_COMPILE([if 'dcache_lock' is exist],
678 #include <linux/dcache.h>
680 spin_lock(&dcache_lock);
682 AC_DEFINE(HAVE_DCACHE_LOCK, 1,
683 [dcache_lock is exist])
690 # 2.6.38 inode.i_rcu added.
692 AC_DEFUN([LC_INODE_I_RCU], [
693 LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
695 #include <linux/fs.h>
698 struct rcu_head rcu = {};
701 AC_DEFINE(HAVE_INODE_I_RCU, 1,
702 [inode.i_rcu exists])
707 # LC_BLKDEV_GET_BY_DEV
709 # 2.6.38 export blkdev_get_by_dev
711 AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
712 LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
713 [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
714 [blkdev_get_by_dev is exported by the kernel])])
715 ]) # LC_BLKDEV_GET_BY_DEV
718 # LC_EXPORT_SIMPLE_SETATTR
720 # 2.6.38 export simple_setattr
722 AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
723 LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
724 [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
725 [simple_setattr is exported by the kernel])])
726 ]) # LC_EXPORT_SIMPLE_SETATTR
731 # 2.6.38 add struct blk_plug
733 AC_DEFUN([LC_HAVE_BLK_PLUG], [
734 LB_CHECK_COMPILE([if 'struct blk_plug' exists],
736 #include <linux/blkdev.h>
738 struct blk_plug plug;
740 blk_start_plug(&plug);
741 blk_finish_plug(&plug);
743 AC_DEFINE(HAVE_BLK_PLUG, 1,
744 [blk_plug struct exists])
746 ]) # LC_HAVE_BLK_PLUG
749 # LC_HAVE_FSTYPE_MOUNT
751 # 2.6.39 replace get_sb with mount in struct file_system_type
753 AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
754 LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
755 file_system_type_mount, [
756 #include <linux/fs.h>
758 struct file_system_type fst = { };
761 mount = (void *)fst.mount;
763 AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
764 [struct file_system_type has mount field])
766 ]) # LC_HAVE_FSTYPE_MOUNT
769 # LC_HAVE_FHANDLE_SYSCALLS
771 # 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
772 # added to Linux kernel 2.6.39.
773 # Check if client supports these functions
775 AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
776 LB_CHECK_CONFIG_IM([FHANDLE],[
777 AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
778 [kernel supports fhandles and related syscalls])
780 ]) # LC_HAVE_FHANDLE_SYSCALLS
783 # LC_HAVE_INODE_OWNER_OR_CAPABLE
785 # 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
787 AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
788 LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
789 inode_owner_or_capable, [
790 #include <linux/fs.h>
792 inode_owner_or_capable(NULL);
794 AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
795 [inode_owner_or_capable exist])
797 ]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
800 # LC_DIRTY_INODE_WITH_FLAG
802 # 3.0 dirty_inode() has a flag parameter
803 # see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
805 AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
806 LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
807 dirty_inode_super_operation_flag, [
808 #include <linux/fs.h>
810 struct inode *inode = NULL;
811 inode->i_sb->s_op->dirty_inode(NULL, 0);
813 AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
814 [dirty_inode super_operation takes flag])
816 ]) # LC_DIRTY_INODE_WITH_FLAG
821 # 3.0 introduced setns
823 AC_DEFUN([LC_SETNS], [
824 AC_CHECK_HEADERS([sched.h], [], [],
827 AC_CHECK_FUNCS([setns])
831 # LC_GENERIC_PERMISSION
833 # 2.6.38 generic_permission taken 4 parameters.
834 # in fact, it means rcu-walk aware permission bring.
836 # 3.1 generic_permission taken 2 parameters.
837 # see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
839 AC_DEFUN([LC_GENERIC_PERMISSION], [
840 LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
841 generic_permission_2args, [
842 #include <linux/fs.h>
844 generic_permission(NULL, 0);
846 AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
847 [generic_permission taken 2 arguments])
849 LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
850 generic_permission_4args, [
851 #include <linux/fs.h>
853 generic_permission(NULL, 0, 0, NULL);
855 AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
856 [generic_permission taken 4 arguments])
859 ]) # LC_GENERIC_PERMISSION
862 # LC_LM_XXX_LOCK_MANAGER_OPS
864 # 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
865 # see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
867 AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
868 LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
869 lock_manager_ops_lm_xxx, [
870 #include <linux/fs.h>
872 struct lock_manager_operations lm_ops;
873 lm_ops.lm_compare_owner = NULL;
875 AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
876 [lock-manager ops renamed to lm_xxx])
878 ]) # LC_LM_XXX_LOCK_MANAGER_OPS
883 # 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
885 # see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
887 AC_DEFUN([LC_INODE_DIO_WAIT], [
888 LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
890 #include <linux/fs.h>
892 inode_dio_wait((struct inode *)0);
894 AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
895 [inode->i_alloc_sem is killed and use inode_dio_wait])
897 ]) # LC_INODE_DIO_WAIT
902 # 3.1 adds get_acl method to inode_operations to read ACL from disk.
903 # see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
905 AC_DEFUN([LC_IOP_GET_ACL], [
906 LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
908 #include <linux/fs.h>
910 struct inode_operations iop;
913 AC_DEFINE(HAVE_IOP_GET_ACL, 1,
914 [inode_operations has .get_acl member function])
919 # LC_FILE_LLSEEK_SIZE
921 # 3.1 introduced generic_file_llseek_size()
923 AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
924 LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
925 [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
926 [generic_file_llseek_size is exported by the kernel])])
927 ]) # LC_FILE_LLSEEK_SIZE
930 # LC_RADIX_EXCEPTION_ENTRY
931 # 3.1 adds radix_tree_exception_entry.
933 AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
934 LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
935 radix_tree_exceptional_entry, [
936 #include <linux/radix-tree.h>
938 radix_tree_exceptional_entry(NULL);
940 AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
941 [radix_tree_exceptional_entry exist])
943 ]) # LC_RADIX_EXCEPTION_ENTRY
946 # LC_HAVE_PROTECT_I_NLINK
948 # 3.2 protects inode->i_nlink from direct modification
949 # see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
950 # at the same time adds set_nlink(), so checks set_nlink() for it.
952 AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
953 LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
954 inode_i_nlink_protected, [
955 #include <linux/fs.h>
960 AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
961 [inode->i_nlink is protected from direct modification])
963 ]) # LC_HAVE_PROTECT_I_NLINK
966 # 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
968 # 3.2 security_inode_init_security takes a callback to set xattrs
970 AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
971 LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
972 security_inode_init_security_callback, [
973 #include <linux/security.h>
975 security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
977 AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
978 [security_inode_init_security takes a callback to set xattrs])
980 LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
981 security_inode_init_security_qstr, [
982 #include <linux/security.h>
984 security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
986 AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
987 [security_inode_init_security takes a 'struct qstr' parameter])
990 ]) # LC_HAVE_SECURITY_IINITSEC
993 # 2.6.39 vfs_create takes a 'struct nameidata' parameter
995 AC_DEFUN([LC_VFS_CREATE_USE_NAMEIDATA], [
996 LB_CHECK_COMPILE([if vfs_create takes a struct nameidata parameter],
998 #include <linux/namei.h>
999 #include <linux/fs.h>
1001 struct nameidata *nd;
1002 vfs_create(NULL, NULL, 0, nd);
1004 AC_DEFINE(HAVE_VFS_CREATE_USE_NAMEIDATA, 1,
1005 [vfs_create use nameidata as parameter])
1007 ]) # LC_VFS_CREATE_USE_NAMEIDATA
1010 # LC_HAVE_MIGRATE_HEADER
1012 # 3.3 introduces migrate_mode.h and migratepage has 4 args
1014 AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
1015 LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
1016 AC_DEFINE(HAVE_MIGRATE_H, 1,
1017 [kernel has include/linux/migrate.h])
1019 LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
1020 AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
1021 [kernel has include/linux/migrate_mode.h])
1024 ]) # LC_HAVE_MIGRATE_HEADER
1027 # LC_MIGRATEPAGE_4ARGS
1029 AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
1030 LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
1031 address_space_ops_migratepage_4args, [
1032 #include <linux/fs.h>
1033 #ifdef HAVE_MIGRATE_H
1034 #include <linux/migrate.h>
1035 #elif defined(HAVE_MIGRATE_MODE_H)
1036 #include <linux/migrate_mode.h>
1039 struct address_space_operations aops = { };
1040 aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
1042 AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
1043 [address_space_operations.migratepage has 4 args])
1045 ]) # LC_MIGRATEPAGE_4ARGS
1048 # LC_SUPEROPS_USE_DENTRY
1050 # 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
1051 # see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
1053 AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
1054 tmp_flags="$EXTRA_KCFLAGS"
1055 EXTRA_KCFLAGS="-Werror"
1056 LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
1058 #include <linux/fs.h>
1059 int show_options(struct seq_file *seq, struct dentry *root) {
1063 struct super_operations ops;
1064 ops.show_options = show_options;
1066 AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
1067 [super_operations use dentry as parameter])
1069 EXTRA_KCFLAGS="$tmp_flags"
1070 ]) # LC_SUPEROPS_USE_DENTRY
1073 # LC_INODEOPS_USE_UMODE_T
1075 # 3.3 switchs inode_operations to use umode_t as parameter (but not int)
1076 # see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
1078 AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
1079 tmp_flags="$EXTRA_KCFLAGS"
1080 EXTRA_KCFLAGS="-Werror"
1081 LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
1082 inode_ops_umode_t, [
1083 #include <linux/fs.h>
1084 #include <linux/types.h>
1085 int my_mknod(struct inode *dir, struct dentry *dchild,
1086 umode_t mode, dev_t dev)
1091 struct inode_operations ops;
1092 ops.mknod = my_mknod;
1094 AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
1095 [inode_operations use umode_t as parameter])
1097 EXTRA_KCFLAGS="$tmp_flags"
1098 ]) # LC_INODEOPS_USE_UMODE_T
1101 # LC_KMAP_ATOMIC_HAS_1ARG
1103 # 3.4 kmap_atomic removes second argument
1104 # see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
1106 AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
1107 LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
1109 #include <linux/highmem.h>
1113 AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
1114 [have kmap_atomic has only 1 argument])
1116 ]) # LC_KMAP_ATOMIC_HAS_1ARG
1119 # LC_HAVE_D_MAKE_ROOT
1121 # 3.4 converts d_alloc_root to d_make_root
1122 # see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
1124 AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
1125 LB_CHECK_COMPILE([if have 'd_make_root'],
1127 #include <linux/fs.h>
1129 d_make_root((struct inode *)NULL);
1131 AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
1134 ]) # LC_HAVE_D_MAKE_ROOT
1137 # LC_HAVE_CACHE_REGISTER
1139 # 3.4 cache_register/cache_unregister are removed
1140 # see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
1141 # Note, since 2.6.37 cache_register_net/cache_unregister_net
1142 # are defined, but not exported.
1143 # 3.3 cache_register_net/cache_unregister_net are
1144 # exported and replacing cache_register/cache_unregister in 3.4
1146 AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
1147 LB_CHECK_COMPILE([if have 'cache_register'],
1149 #include <linux/sunrpc/cache.h>
1151 cache_register(NULL);
1153 AC_DEFINE(HAVE_CACHE_REGISTER, 1,
1154 [have cache_register])
1156 ]) # LC_HAVE_CACHE_REGISTER
1159 # LC_HAVE_CLEAR_INODE
1161 # 3.5 renames end_writeback() back to clear_inode()...
1162 # see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
1164 AC_DEFUN([LC_HAVE_CLEAR_INODE], [
1165 LB_CHECK_COMPILE([if have 'clear_inode'],
1167 #include <linux/fs.h>
1169 clear_inode((struct inode *)NULL);
1171 AC_DEFINE(HAVE_CLEAR_INODE, 1,
1174 ]) # LC_HAVE_CLEAR_INODE
1177 # LC_HAVE_ENCODE_FH_PARENT
1179 # 3.5 encode_fh has parent inode passed in directly
1180 # see kernel commit b0b0382b
1182 AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
1183 tmp_flags="$EXTRA_KCFLAGS"
1184 EXTRA_KCFLAGS="-Werror"
1185 LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
1186 encode_fh_parent_inode, [
1187 #include <linux/exportfs.h>
1188 #include <linux/fs.h>
1189 #include <linux/types.h>
1190 int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
1195 struct export_operations exp_op;
1196 exp_op.encode_fh = ll_encode_fh;
1198 AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
1199 [have parent inode as parameter])
1201 EXTRA_KCFLAGS="$tmp_flags"
1202 ]) # LC_HAVE_ENCODE_FH_PARENT
1205 # LC_FILE_LLSEEK_SIZE_5ARG
1207 # 3.5 has generic_file_llseek_size with 5 args
1209 AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
1210 LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
1211 generic_file_llseek_size_5args, [
1212 #include <linux/fs.h>
1214 generic_file_llseek_size(NULL, 0, 0, 0, 0);
1216 AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
1217 [kernel has generic_file_llseek_size with 5 args])
1219 ]) # LC_FILE_LLSEEK_SIZE_5ARG
1222 # LC_LLITE_DATA_IS_LIST
1224 # 3.6 switch i_dentry/d_alias from list to hlist
1226 # In the upstream kernels d_alias first changes
1227 # to a hlist and then in later version, 3.11, gets
1228 # moved to the union d_u. Due to some distros having
1229 # d_alias in the d_u union as a struct list, which
1230 # has never existed upstream stream, we can't test
1231 # if d_alias is a list or hlist directly. If ever
1232 # i_dentry and d_alias even up different combos then
1233 # the build will fail. In that case then we will need
1234 # to separate out the i_dentry and d_alias test below.
1236 AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
1237 tmp_flags="$EXTRA_KCFLAGS"
1238 EXTRA_KCFLAGS="-Werror"
1239 LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
1240 i_dentry_d_alias_list, [
1241 #include <linux/fs.h>
1244 INIT_LIST_HEAD(&inode.i_dentry);
1246 AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
1247 [both i_dentry/d_alias uses list])
1249 EXTRA_KCFLAGS="$tmp_flags"
1250 ]) # LC_DATA_FOR_LLITE_IS_LIST
1253 # LC_DENTRY_OPEN_USE_PATH
1255 # 3.6 dentry_open uses struct path as first argument
1256 # see kernel commit 765927b2
1258 AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
1259 tmp_flags="$EXTRA_KCFLAGS"
1260 EXTRA_KCFLAGS="-Werror"
1261 LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
1263 #include <linux/fs.h>
1264 #include <linux/path.h>
1267 dentry_open(&path, 0, NULL);
1269 AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
1270 [dentry_open uses struct path as first argument])
1272 EXTRA_KCFLAGS="$tmp_flags"
1273 ]) # LC_DENTRY_OPEN_USE_PATH
1276 # LC_HAVE_IOP_ATOMIC_OPEN
1278 # 3.6 vfs adds iop->atomic_open
1280 AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
1281 LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
1282 inode_ops_atomic_open, [
1283 #include <linux/fs.h>
1285 struct inode_operations iop;
1286 iop.atomic_open = NULL;
1288 AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
1289 [have iop atomic_open])
1291 ]) # LC_HAVE_IOP_ATOMIC_OPEN
1294 # LC_HAVE_SB_START_WRITE
1296 # RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
1298 AC_DEFUN([LC_HAVE_SB_START_WRITE], [
1299 LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
1301 #include <linux/fs.h>
1303 sb_start_write(NULL);
1305 AC_DEFINE(HAVE_SB_START_WRITE, 1,
1306 [kernel supports wrapped FS freeze functions])
1308 ]) # LC_HAVE_SB_START_WRITE
1311 # LC_HAVE_POSIXACL_USER_NS
1313 # 3.7 posix_acl_{to,from}_xattr take struct user_namespace
1315 AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
1316 LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
1317 posix_acl_to_xattr_user_namespace, [
1318 #include <linux/fs.h>
1319 #include <linux/posix_acl_xattr.h>
1321 posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
1323 AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
1324 [posix_acl_to_xattr takes struct user_namespace])
1326 ]) # LC_HAVE_POSIXACL_USER_NS
1329 # LC_HAVE_FILE_F_INODE
1331 # 3.8 struct file has new member f_inode
1333 AC_DEFUN([LC_HAVE_FILE_F_INODE], [
1334 LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
1336 #include <linux/fs.h>
1338 ((struct file *)0)->f_inode = NULL;
1340 AC_DEFINE(HAVE_FILE_F_INODE, 1,
1341 [struct file has member f_inode])
1343 ]) # LC_HAVE_FILE_F_INODE
1346 # LC_HAVE_FILE_INODE
1348 # 3.8 has introduced inline function file_inode
1350 AC_DEFUN([LC_HAVE_FILE_INODE], [
1351 LB_CHECK_COMPILE([if file_inode() exists],
1353 #include <linux/fs.h>
1357 AC_DEFINE(HAVE_FILE_INODE, 1,
1358 [file_inode() has been defined])
1360 ]) # LC_HAVE_FILE_INODE
1363 # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1365 AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
1366 LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
1367 sunrpc_cache_pipe_upcall_3args, [
1368 #include <linux/sunrpc/cache.h>
1370 sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
1372 AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
1373 [sunrpc_cache_pipe_upcall takes 3 args])
1375 ]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
1378 # LC_HAVE_HLIST_FOR_EACH_3ARG
1380 # 3.9 uses hlist_for_each_entry with 3 args
1381 # b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
1383 AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
1384 LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
1385 hlist_for_each_entry_3args, [
1386 #include <linux/list.h>
1387 #include <linux/fs.h>
1389 struct hlist_head *head = NULL;
1390 struct inode *inode;
1392 hlist_for_each_entry(inode, head, i_hash) {
1396 AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
1397 [hlist_for_each_entry has 3 args])
1399 ]) # LC_HAVE_HLIST_FOR_EACH_3ARG
1402 # LC_HAVE_BIO_END_SECTOR
1404 # 3.9 introduces bio_end_sector macro
1405 # f73a1c7d117d07a96d89475066188a2b79e53c48
1407 AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
1408 LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
1410 #include <linux/bio.h>
1412 struct bio bio = { };
1413 unsigned long long end;
1415 end = bio_end_sector(&bio);
1417 AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
1418 [bio_end_sector is defined])
1420 ]) # LC_HAVE_BIO_END_SECTOR
1423 # 3.9 created is_sxid
1425 AC_DEFUN([LC_HAVE_IS_SXID], [
1426 LB_CHECK_COMPILE([if 'is_sxid' is defined],
1428 #include <linux/fs.h>
1430 struct inode inode = { };
1432 is_sxid(inode.i_mode);
1434 AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
1436 ]) # LC_HAVE_IS_SXID
1439 # LC_HAVE_VFS_GETATTR_2ARGS
1441 AC_DEFUN([LC_HAVE_VFS_GETATTR_2ARGS], [
1442 LB_CHECK_COMPILE([if vfs_getattr takes 2 args],
1444 #include <linux/fs.h>
1448 vfs_getattr(&path, NULL);
1450 AC_DEFINE(HAVE_VFS_GETATTR_2ARGS, 1,
1451 [vfs_getattr takes 2 args])
1453 ]) # LC_HAVE_VFS_GETATTR_2ARGS
1456 # LC_HAVE_REMOVE_PROC_SUBTREE
1458 # 3.10 introduced remove_proc_subtree
1460 AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
1461 LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
1462 remove_proc_subtree, [
1463 #include <linux/proc_fs.h>
1465 remove_proc_subtree(NULL, NULL);
1467 AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
1468 [remove_proc_subtree is defined])
1470 ]) # LC_HAVE_REMOVE_PROC_SUBTREE
1473 # LC_HAVE_PROC_REMOVE
1475 # 3.10 introduced proc_remove
1477 AC_DEFUN([LC_HAVE_PROC_REMOVE], [
1478 LB_CHECK_COMPILE([if 'proc_remove' is defined],
1480 #include <linux/proc_fs.h>
1484 AC_DEFINE(HAVE_PROC_REMOVE, 1,
1485 [proc_remove is defined])
1487 ]) # LC_HAVE_PROC_REMOVE
1489 AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
1490 LB_CHECK_COMPILE([if get_projid exists],
1493 #include <linux/quota.h>
1495 struct dquot_operations ops = { };
1497 ops.get_projid(NULL, NULL);
1499 AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
1500 [get_projid function exists])
1502 ]) # LC_HAVE_PROJECT_QUOTA
1506 # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1508 # 3.10 introduced security_dentry_init_security()
1510 AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_SECURITY], [
1511 LB_CHECK_COMPILE([if 'security_dentry_init_security' is defined],
1512 security_dentry_init_security, [
1513 #include <linux/security.h>
1515 security_dentry_init_security(NULL, 0, NULL, NULL, NULL);
1517 AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURITY, 1,
1518 [security_dentry_init_security' is defined])
1520 ]) # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
1523 # 3.10 exports security_inode_listsecurity
1525 AC_DEFUN([LC_HAVE_SECURITY_INODE_LISTSECURITY], [
1526 LB_CHECK_COMPILE([if security_inode_listsecurity() is available/exported],
1527 security_inode_listsecurity, [
1528 #include <linux/security.h>
1530 security_inode_listsecurity(NULL, NULL, 0);
1532 AC_DEFINE(HAVE_SECURITY_INODE_LISTSECURITY, 1,
1533 [security_inode_listsecurity() is available/exported])
1535 ]) # LC_HAVE_SECURITY_INODE_LISTSECURITY
1538 # LC_INVALIDATE_RANGE
1540 # 3.11 invalidatepage requires the length of the range to invalidate
1542 AC_DEFUN([LC_INVALIDATE_RANGE], [
1543 LB_CHECK_COMPILE([if 'address_space_operations.invalidatepage' requires 3 arguments],
1544 address_space_ops_invalidatepage_3args, [
1545 #include <linux/fs.h>
1547 struct address_space_operations a_ops;
1548 a_ops.invalidatepage(NULL, 0, 0);
1550 AC_DEFINE(HAVE_INVALIDATE_RANGE, 1,
1551 [address_space_operations.invalidatepage needs 3 arguments])
1553 ]) # LC_INVALIDATE_RANGE
1556 # LC_HAVE_DIR_CONTEXT
1558 # 3.11 readdir now takes the new struct dir_context
1560 AC_DEFUN([LC_HAVE_DIR_CONTEXT], [
1561 LB_CHECK_COMPILE([if 'dir_context' exist],
1563 #include <linux/fs.h>
1565 #ifdef FMODE_KABI_ITERATE
1566 #error "back to use readdir in kabi_extand mode"
1568 struct dir_context ctx;
1573 AC_DEFINE(HAVE_DIR_CONTEXT, 1,
1574 [dir_context exist])
1576 ]) # LC_HAVE_DIR_CONTEXT
1579 # LC_D_COMPARE_5ARGS
1581 # 3.11 dentry_operations.d_compare() taken 5 arguments.
1583 AC_DEFUN([LC_D_COMPARE_5ARGS], [
1584 LB_CHECK_COMPILE([if 'd_compare' taken 5 arguments],
1586 #include <linux/dcache.h>
1588 ((struct dentry_operations*)0)->d_compare(NULL,NULL,0,NULL,NULL);
1590 AC_DEFINE(HAVE_D_COMPARE_5ARGS, 1,
1591 [d_compare need 5 arguments])
1593 ]) # LC_D_COMPARE_5ARGS
1598 # 3.11 need to access d_count to get dentry reference count
1600 AC_DEFUN([LC_HAVE_DCOUNT], [
1601 LB_CHECK_COMPILE([if 'd_count' exists],
1603 #include <linux/dcache.h>
1605 struct dentry de = { };
1608 count = d_count(&de);
1610 AC_DEFINE(HAVE_D_COUNT, 1,
1616 # LC_PID_NS_FOR_CHILDREN
1618 # 3.11 replaces pid_ns by pid_ns_for_children in struct nsproxy
1620 AC_DEFUN([LC_PID_NS_FOR_CHILDREN], [
1621 LB_CHECK_COMPILE([if 'struct nsproxy' has 'pid_ns_for_children'],
1622 pid_ns_for_children, [
1623 #include <linux/nsproxy.h>
1626 ns.pid_ns_for_children = NULL;
1628 AC_DEFINE(HAVE_PID_NS_FOR_CHILDREN, 1,
1629 ['struct nsproxy' has 'pid_ns_for_children'])
1631 ]) # LC_PID_NS_FOR_CHILDREN
1634 # LC_OLDSIZE_TRUNCATE_PAGECACHE
1636 # 3.12 truncate_pagecache without oldsize parameter
1638 AC_DEFUN([LC_OLDSIZE_TRUNCATE_PAGECACHE], [
1639 LB_CHECK_COMPILE([if 'truncate_pagecache' with 'old_size' parameter],
1640 truncate_pagecache_old_size, [
1641 #include <linux/mm.h>
1643 truncate_pagecache(NULL, 0, 0);
1645 AC_DEFINE(HAVE_OLDSIZE_TRUNCATE_PAGECACHE, 1,
1648 ]) # LC_OLDSIZE_TRUNCATE_PAGECACHE
1651 # LC_PTR_ERR_OR_ZERO
1653 # For some reason SLES11SP4 is missing the PTR_ERR_OR_ZERO macro
1654 # It was added to linux kernel 3.12
1656 AC_DEFUN([LC_PTR_ERR_OR_ZERO_MISSING], [
1657 LB_CHECK_COMPILE([if 'PTR_ERR_OR_ZERO' is missing],
1659 #include <linux/err.h>
1661 if (PTR_ERR_OR_ZERO(NULL)) return 0;
1663 AC_DEFINE(HAVE_PTR_ERR_OR_ZERO, 1,
1664 ['PTR_ERR_OR_ZERO' exist])
1666 ]) # LC_PTR_ERR_OR_ZERO_MISSING
1669 # LC_HAVE_DENTRY_D_U_D_ALIAS
1671 # 3.11 kernel moved d_alias to the union d_u in struct dentry
1673 # Some distros move d_alias to d_u but it is still a struct list
1675 AC_DEFUN([LC_HAVE_DENTRY_D_U_D_ALIAS], [
1676 AS_IF([test "x$lb_cv_compile_i_dentry_d_alias_list" = xyes], [
1677 LB_CHECK_COMPILE([if list 'dentry.d_u.d_alias' exist],
1679 #include <linux/list.h>
1680 #include <linux/dcache.h>
1683 INIT_LIST_HEAD(&de.d_u.d_alias);
1685 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1686 [list dentry.d_u.d_alias exist])
1689 LB_CHECK_COMPILE([if hlist 'dentry.d_u.d_alias' exist],
1691 #include <linux/list.h>
1692 #include <linux/dcache.h>
1695 INIT_HLIST_NODE(&de.d_u.d_alias);
1697 AC_DEFINE(HAVE_DENTRY_D_U_D_ALIAS, 1,
1698 [hlist dentry.d_u.d_alias exist])
1701 ]) # LC_HAVE_DENTRY_D_U_D_ALIAS
1704 # LC_HAVE_DENTRY_D_CHILD
1706 # 3.11 kernel d_child has been moved out of the union d_u
1709 AC_DEFUN([LC_HAVE_DENTRY_D_CHILD], [
1710 LB_CHECK_COMPILE([if 'dentry.d_child' exist],
1712 #include <linux/list.h>
1713 #include <linux/dcache.h>
1716 INIT_LIST_HEAD(&de.d_child);
1718 AC_DEFINE(HAVE_DENTRY_D_CHILD, 1,
1719 [dentry.d_child exist])
1721 ]) # LC_HAVE_DENTRY_D_CHILD
1726 # 3.12 ki_left removed from struct kiocb
1728 AC_DEFUN([LC_KIOCB_KI_LEFT], [
1729 LB_CHECK_COMPILE([if 'struct kiocb' with 'ki_left' member],
1731 #include <linux/aio.h>
1733 ((struct kiocb*)0)->ki_left = 0;
1735 AC_DEFINE(HAVE_KIOCB_KI_LEFT, 1,
1738 ]) # LC_KIOCB_KI_LEFT
1741 # LC_INIT_LIST_HEAD_RCU
1743 # 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
1744 # which is unfortunately an inline function and not a macro
1745 # that can be tested directly, so it needs a configure check.
1747 AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
1748 LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
1749 init_list_head_rcu, [
1750 #include <linux/list.h>
1751 #include <linux/rculist.h>
1753 struct list_head list;
1754 INIT_LIST_HEAD_RCU(&list);
1756 AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
1757 [INIT_LIST_HEAD_RCU exists])
1759 ]) # LC_INIT_LIST_HEAD_RCU
1762 # LC_VFS_RENAME_5ARGS
1764 # 3.13 has vfs_rename with 5 args
1766 AC_DEFUN([LC_VFS_RENAME_5ARGS], [
1767 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 5 args],
1769 #include <linux/fs.h>
1771 vfs_rename(NULL, NULL, NULL, NULL, NULL);
1773 AC_DEFINE(HAVE_VFS_RENAME_5ARGS, 1,
1774 [kernel has vfs_rename with 5 args])
1776 ]) # LC_VFS_RENAME_5ARGS
1779 # LC_VFS_UNLINK_3ARGS
1781 # 3.13 has vfs_unlink with 3 args
1783 AC_DEFUN([LC_VFS_UNLINK_3ARGS], [
1784 LB_CHECK_COMPILE([if Linux kernel has 'vfs_unlink' with 3 args],
1786 #include <linux/fs.h>
1788 vfs_unlink(NULL, NULL, NULL);
1790 AC_DEFINE(HAVE_VFS_UNLINK_3ARGS, 1,
1791 [kernel has vfs_unlink with 3 args])
1793 ]) # LC_VFS_UNLINK_3ARGS
1795 # LC_HAVE_D_IS_POSITIVE
1797 # Kernel version 3.13 b18825a7c8e37a7cf6abb97a12a6ad71af160de7
1798 # d_is_positive is added
1800 AC_DEFUN([LC_HAVE_D_IS_POSITIVE], [
1801 LB_CHECK_COMPILE([if 'd_is_positive' exist],
1803 #include <linux/dcache.h>
1805 d_is_positive(NULL);
1807 AC_DEFINE(HAVE_D_IS_POSITIVE, 1,
1808 ['d_is_positive' is available])
1810 ]) # LC_HAVE_D_IS_POSITIVE
1815 # 3.14 move some of its data in struct bio into the new
1818 AC_DEFUN([LC_HAVE_BVEC_ITER], [
1819 LB_CHECK_COMPILE([if Linux kernel has struct bvec_iter],
1821 #include <linux/bio.h>
1823 struct bvec_iter iter;
1825 iter.bi_bvec_done = 0;
1827 AC_DEFINE(HAVE_BVEC_ITER, 1,
1828 [kernel has struct bvec_iter])
1830 ]) # LC_HAVE_BVEC_ITER
1835 # 3.14 adds set_acl method to inode_operations
1836 # see kernel commit 893d46e443346370cd4ea81d9d35f72952c62a37
1838 AC_DEFUN([LC_IOP_SET_ACL], [
1839 LB_CHECK_COMPILE([if 'inode_operations' has '.set_acl' member function],
1840 inode_ops_set_acl, [
1841 #include <linux/fs.h>
1843 struct inode_operations iop;
1846 AC_DEFINE(HAVE_IOP_SET_ACL, 1,
1847 [inode_operations has .set_acl member function])
1852 # LC_HAVE_TRUNCATE_IPAGE_FINAL
1854 # 3.14 bring truncate_inode_pages_final for evict_inode
1856 AC_DEFUN([LC_HAVE_TRUNCATE_IPAGES_FINAL], [
1857 LB_CHECK_COMPILE([if Linux kernel has truncate_inode_pages_final],
1858 truncate_ipages_final, [
1859 #include <linux/mm.h>
1861 truncate_inode_pages_final(NULL);
1863 AC_DEFINE(HAVE_TRUNCATE_INODE_PAGES_FINAL, 1,
1864 [kernel has truncate_inode_pages_final])
1866 ]) # LC_HAVE_TRUNCATE_IPAGES_FINAL
1869 # LC_IOPS_RENAME_WITH_FLAGS
1871 # 3.14 has inode_operations->rename with 5 args
1872 # commit 520c8b16505236fc82daa352e6c5e73cd9870cff
1874 AC_DEFUN([LC_IOPS_RENAME_WITH_FLAGS], [
1875 LB_CHECK_COMPILE([if 'inode_operations->rename' taken flags as argument],
1876 iops_rename_with_flags, [
1877 #include <linux/fs.h>
1879 struct inode *i1 = NULL, *i2 = NULL;
1880 struct dentry *d1 = NULL, *d2 = NULL;
1882 rc = ((struct inode_operations *)0)->rename(i1, d1, i2, d2, 0);
1884 AC_DEFINE(HAVE_IOPS_RENAME_WITH_FLAGS, 1,
1885 [inode_operations->rename need flags as argument])
1887 ]) # LC_IOPS_RENAME_WITH_FLAGS
1890 # LC_VFS_RENAME_6ARGS
1892 # 3.15 has vfs_rename with 6 args
1894 AC_DEFUN([LC_VFS_RENAME_6ARGS], [
1895 LB_CHECK_COMPILE([if Linux kernel has 'vfs_rename' with 6 args],
1897 #include <linux/fs.h>
1899 vfs_rename(NULL, NULL, NULL, NULL, NULL, NULL);
1901 AC_DEFINE(HAVE_VFS_RENAME_6ARGS, 1,
1902 [kernel has vfs_rename with 6 args])
1904 ]) # LC_VFS_RENAME_6ARGS
1907 # LC_DIRECTIO_USE_ITER
1909 # 3.16 kernel changes direct IO to use iov_iter
1911 AC_DEFUN([LC_DIRECTIO_USE_ITER], [
1912 LB_CHECK_COMPILE([if direct IO uses iov_iter],
1914 #include <linux/fs.h>
1916 struct address_space_operations ops = { };
1917 struct iov_iter *iter = NULL;
1920 ops.direct_IO(0, NULL, iter, offset);
1922 AC_DEFINE(HAVE_DIRECTIO_ITER, 1,
1923 [direct IO uses iov_iter])
1925 ]) # LC_DIRECTIO_USE_ITER
1928 # LC_HAVE_IOV_ITER_INIT_DIRECTION
1931 # 3.16 linux commit 71d8e532b1549a478e6a6a8a44f309d050294d00
1932 # changed iov_iter_init api to start accepting a tag
1933 # that defines if its a read or write operation
1935 AC_DEFUN([LC_HAVE_IOV_ITER_INIT_DIRECTION], [
1936 tmp_flags="$EXTRA_KCFLAGS"
1937 EXTRA_KCFLAGS="-Werror"
1938 LB_CHECK_COMPILE([if 'iov_iter_init' takes a tag],
1940 #include <linux/uio.h>
1941 #include <linux/fs.h>
1943 const struct iovec *iov = NULL;
1945 iov_iter_init(NULL, READ, iov, 1, 0);
1947 AC_DEFINE(HAVE_IOV_ITER_INIT_DIRECTION, 1,
1948 [iov_iter_init handles directional tag])
1950 EXTRA_KCFLAGS="$tmp_flags"
1951 ]) # LC_HAVE_IOV_ITER_INIT_DIRECTION
1954 # LC_HAVE_IOV_ITER_TRUNCATE
1957 # 3.16 introduces a new API iov_iter_truncate()
1959 AC_DEFUN([LC_HAVE_IOV_ITER_TRUNCATE], [
1960 tmp_flags="$EXTRA_KCFLAGS"
1961 EXTRA_KCFLAGS="-Werror"
1962 LB_CHECK_COMPILE([if 'iov_iter_truncate' exists ],
1964 #include <linux/uio.h>
1965 #include <linux/fs.h>
1967 struct iov_iter *i = NULL;
1969 iov_iter_truncate(i, 0);
1971 AC_DEFINE(HAVE_IOV_ITER_TRUNCATE, 1, [iov_iter_truncate exists])
1973 EXTRA_KCFLAGS="$tmp_flags"
1974 ]) # LC_HAVE_IOV_ITER_TRUNCATE
1977 # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1979 # 3.16 introduces [read|write]_iter to struct file_operations
1981 AC_DEFUN([LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER], [
1982 LB_CHECK_COMPILE([if 'file_operations.[read|write]_iter' exist],
1983 file_function_iter, [
1984 #include <linux/fs.h>
1986 ((struct file_operations *)NULL)->read_iter(NULL, NULL);
1987 ((struct file_operations *)NULL)->write_iter(NULL, NULL);
1989 AC_DEFINE(HAVE_FILE_OPERATIONS_READ_WRITE_ITER, 1,
1990 [file_operations.[read|write]_iter functions exist])
1992 ]) # LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
1995 # LC_HAVE_INTERVAL_BLK_INTEGRITY
1997 # 3.17 replace sector_size with interval in struct blk_integrity
1999 AC_DEFUN([LC_HAVE_INTERVAL_BLK_INTEGRITY], [
2000 LB_CHECK_COMPILE([if 'blk_integrity.interval' exist],
2001 interval_blk_integrity, [
2002 #include <linux/blkdev.h>
2004 ((struct blk_integrity *)0)->interval = 0;
2006 AC_DEFINE(HAVE_INTERVAL_BLK_INTEGRITY, 1,
2007 [blk_integrity.interval exist])
2009 ]) # LC_HAVE_INTERVAL_BLK_INTEGRITY
2014 # 3.17 replaces key_type::match with match_preparse
2015 # and has new struct key_match_data
2017 AC_DEFUN([LC_KEY_MATCH_DATA], [
2018 LB_CHECK_COMPILE([if struct key_match field exist],
2020 #include <linux/key-type.h>
2022 struct key_match_data data;
2024 data.raw_data = NULL;
2026 AC_DEFINE(HAVE_KEY_MATCH_DATA, 1,
2027 [struct key_match_data exist])
2029 ]) # LC_KEY_MATCH_DATA
2032 # LC_NFS_FILLDIR_USE_CTX
2034 # 3.18 kernel moved from void cookie to struct dir_context
2036 AC_DEFUN([LC_NFS_FILLDIR_USE_CTX], [
2037 tmp_flags="$EXTRA_KCFLAGS"
2038 EXTRA_KCFLAGS="-Werror"
2039 LB_CHECK_COMPILE([if filldir_t uses struct dir_context],
2041 #include <linux/fs.h>
2043 int filldir(struct dir_context *ctx, const char* name,
2044 int i, loff_t off, u64 tmp, unsigned temp)
2049 struct dir_context ctx = {
2053 ctx.actor(NULL, "test", 0, (loff_t) 0, 0, 0);
2055 AC_DEFINE(HAVE_FILLDIR_USE_CTX, 1,
2056 [filldir_t needs struct dir_context as argument])
2058 EXTRA_KCFLAGS="$tmp_flags"
2059 ]) # LC_NFS_FILLDIR_USE_CTX
2062 # LC_PERCPU_COUNTER_INIT
2064 # 3.18 For kernels 3.18 and after percpu_counter_init starts
2065 # to pass a GFP_* memory allocation flag for internal
2066 # memory allocation purposes.
2068 AC_DEFUN([LC_PERCPU_COUNTER_INIT], [
2069 LB_CHECK_COMPILE([if percpu_counter_init uses GFP_* flag as argument],
2070 percpu_counter_init, [
2071 #include <linux/percpu_counter.h>
2073 percpu_counter_init(NULL, 0, GFP_KERNEL);
2075 AC_DEFINE(HAVE_PERCPU_COUNTER_INIT_GFP_FLAG, 1,
2076 [percpu_counter_init uses GFP_* flag])
2078 ]) # LC_PERCPU_COUNTER_INIT
2081 # LC_KIOCB_HAS_NBYTES
2083 # 3.19 kernel removed ki_nbytes from struct kiocb
2085 AC_DEFUN([LC_KIOCB_HAS_NBYTES], [
2086 LB_CHECK_COMPILE([if struct kiocb has ki_nbytes field],
2088 #include <linux/fs.h>
2090 struct kiocb iocb = { };
2094 AC_DEFINE(HAVE_KI_NBYTES, 1, [ki_nbytes field exist])
2096 ]) # LC_KIOCB_HAS_NBYTES
2099 # LC_HAVE_DQUOT_QC_DQBLK
2101 # 3.19 has quotactl_ops->[sg]et_dqblk that take struct kqid and qc_dqblk
2102 # Added in commit 14bf61ffe
2104 AC_DEFUN([LC_HAVE_DQUOT_QC_DQBLK], [
2105 tmp_flags="$EXTRA_KCFLAGS"
2106 EXTRA_KCFLAGS="-Werror"
2107 LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct qc_dqblk],
2109 #include <linux/fs.h>
2110 #include <linux/quota.h>
2112 ((struct quotactl_ops *)0)->set_dqblk(NULL, *((struct kqid*)0), (struct qc_dqblk*)0);
2114 AC_DEFINE(HAVE_DQUOT_QC_DQBLK, 1,
2115 [quotactl_ops.set_dqblk takes struct qc_dqblk])
2116 AC_DEFINE(HAVE_DQUOT_KQID, 1,
2117 [quotactl_ops.set_dqblk takes struct kqid])
2119 EXTRA_KCFLAGS="$tmp_flags"
2120 ]) # LC_HAVE_DQUOT_QC_DQBLK
2123 # LC_BACKING_DEV_INFO_REMOVAL
2125 # 3.20 kernel removed backing_dev_info from address_space
2127 AC_DEFUN([LC_BACKING_DEV_INFO_REMOVAL], [
2128 LB_CHECK_COMPILE([if struct address_space has backing_dev_info],
2130 #include <linux/fs.h>
2132 struct address_space mapping;
2134 mapping.backing_dev_info = NULL;
2136 AC_DEFINE(HAVE_BACKING_DEV_INFO, 1, [backing_dev_info exist])
2138 ]) # LC_BACKING_DEV_INFO_REMOVAL
2141 # LC_HAVE_BDI_CAP_MAP_COPY
2143 # 3.20 removed mmap handling for backing devices since
2144 # it breaks on non-MMU systems. See kernel commit
2145 # b4caecd48005fbed3949dde6c1cb233142fd69e9
2147 AC_DEFUN([LC_HAVE_BDI_CAP_MAP_COPY], [
2148 LB_CHECK_COMPILE([if have 'BDI_CAP_MAP_COPY'],
2150 #include <linux/backing-dev.h>
2152 struct backing_dev_info info;
2154 info.capabilities = BDI_CAP_MAP_COPY;
2156 AC_DEFINE(HAVE_BDI_CAP_MAP_COPY, 1,
2157 [BDI_CAP_MAP_COPY exist])
2159 ]) # LC_HAVE_BDI_CAP_MAP_COPY
2162 # LC_CANCEL_DIRTY_PAGE
2164 # 4.0.0 kernel removed cancel_dirty_page
2166 AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
2167 LB_CHECK_COMPILE([if cancel_dirty_page still exist],
2168 cancel_dirty_page, [
2169 #include <linux/mm.h>
2171 cancel_dirty_page(NULL, PAGE_SIZE);
2173 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
2174 [cancel_dirty_page is still available])
2176 ]) # LC_CANCEL_DIRTY_PAGE
2181 # 4.1 kernel has iov_iter_rw
2183 AC_DEFUN([LC_IOV_ITER_RW], [
2184 LB_CHECK_COMPILE([if iov_iter_rw exist],
2186 #include <linux/fs.h>
2187 #include <linux/uio.h>
2189 struct iov_iter *iter = NULL;
2193 AC_DEFINE(HAVE_IOV_ITER_RW, 1,
2194 [iov_iter_rw exist])
2199 # LC_HAVE_SYNC_READ_WRITE
2201 # 4.1 new_sync_[read|write] no longer exported
2203 AC_DEFUN([LC_HAVE_SYNC_READ_WRITE], [
2204 LB_CHECK_EXPORT([new_sync_read], [fs/read_write.c],
2205 [AC_DEFINE(HAVE_SYNC_READ_WRITE, 1,
2206 [new_sync_[read|write] is exported by the kernel])])
2207 ]) # LC_HAVE_SYNC_READ_WRITE
2212 # 4.1 redefined bi_cnt as __bi_cnt in commit dac56212e8127dbc0
2214 AC_DEFUN([LC_HAVE___BI_CNT], [
2215 LB_CHECK_COMPILE([if Linux kernel has __bi_cnt in struct bio],
2217 #include <asm/atomic.h>
2218 #include <linux/bio.h>
2219 #include <linux/blk_types.h>
2221 struct bio bio = { };
2223 cnt = atomic_read(&bio.__bi_cnt);
2225 AC_DEFINE(HAVE___BI_CNT, 1,
2226 [struct bio has __bi_cnt])
2228 ]) # LC_HAVE___BI_CNT
2231 # LC_NEW_CANCEL_DIRTY_PAGE
2233 # 4.2 kernel has new cancel_dirty_page
2235 AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
2236 LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
2237 new_cancel_dirty_page, [
2238 #include <linux/mm.h>
2240 cancel_dirty_page(NULL);
2242 AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
2243 [cancel_dirty_page with one arguement is available])
2245 ]) # LC_NEW_CANCEL_DIRTY_PAGE
2248 # LC_SYMLINK_OPS_USE_NAMEIDATA
2250 # For the 4.2+ kernels the file system internal symlink api no
2251 # longer uses struct nameidata as a argument
2253 AC_DEFUN([LC_SYMLINK_OPS_USE_NAMEIDATA], [
2254 LB_CHECK_COMPILE([if symlink inode operations have struct nameidata argument],
2255 symlink_use_nameidata, [
2256 #include <linux/namei.h>
2257 #include <linux/fs.h>
2259 struct nameidata *nd = NULL;
2261 ((struct inode_operations *)0)->follow_link(NULL, nd);
2262 ((struct inode_operations *)0)->put_link(NULL, nd, NULL);
2264 AC_DEFINE(HAVE_SYMLINK_OPS_USE_NAMEIDATA, 1,
2265 [symlink inode operations need struct nameidata argument])
2267 ]) # LC_SYMLINK_OPS_USE_NAMEIDATA
2270 # LC_BIO_ENDIO_USES_ONE_ARG
2272 # 4.2 kernel bio_endio now only takes one argument
2274 AC_DEFUN([LC_BIO_ENDIO_USES_ONE_ARG], [
2275 LB_CHECK_COMPILE([if 'bio_endio' with one argument exist],
2277 #include <linux/bio.h>
2281 AC_DEFINE(HAVE_BIO_ENDIO_USES_ONE_ARG, 1,
2282 [bio_endio takes only one argument])
2284 ]) # LC_BIO_ENDIO_USES_ONE_ARG
2287 # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2289 # 4.3 replace interval with interval_exp in 'struct blk_integrity'
2290 # 'struct blk_integrity_profile' is also added in this version,
2291 # thus use this to determine whether 'struct blk_integrity' has profile
2293 AC_DEFUN([LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY], [
2294 LB_CHECK_COMPILE([if 'blk_integrity.interval_exp' exist],
2295 blk_integrity_interval_exp, [
2296 #include <linux/blkdev.h>
2298 ((struct blk_integrity *)0)->interval_exp = 0;
2300 AC_DEFINE(HAVE_INTERVAL_EXP_BLK_INTEGRITY, 1,
2301 [blk_integrity.interval_exp exist])
2303 ]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
2306 # LC_HAVE_LOOP_CTL_GET_FREE
2308 # 4.x kernel have moved userspace APIs to
2309 # the separate directory and all of them
2310 # support LOOP_CTL_GET_FREE
2312 AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
2313 LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
2314 LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
2315 LOOP_CTL_GET_FREE, [
2316 #include <linux/loop.h>
2320 i = LOOP_CTL_GET_FREE;
2322 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2323 [LOOP_CTL_GET_FREE exist])
2326 AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
2327 [kernel has LOOP_CTL_GET_FREE])
2329 ]) # LC_HAVE_LOOP_CTL_GET_FREE
2332 # LC_HAVE_CACHE_HEAD_HLIST
2334 # 4.3 kernel swiched to hlist for cache_head
2336 AC_DEFUN([LC_HAVE_CACHE_HEAD_HLIST], [
2337 LB_CHECK_COMPILE([if 'struct cache_head' has 'cache_list' field],
2338 cache_head_has_hlist, [
2339 #include <linux/sunrpc/cache.h>
2341 do {} while(sizeof(((struct cache_head *)0)->cache_list));
2343 AC_DEFINE(HAVE_CACHE_HEAD_HLIST, 1,
2344 [cache_head has hlist cache_list])
2346 ]) # LC_HAVE_CACHE_HEAD_HLIST
2349 # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2351 # Kernel version 4.3 commit e409de992e3ea3674393465f07cc71c948edd87a
2352 # simplified xattr_handler handling by passing in the handler pointer
2354 AC_DEFUN([LC_HAVE_XATTR_HANDLER_SIMPLIFIED], [
2355 tmp_flags="$EXTRA_KCFLAGS"
2356 EXTRA_KCFLAGS="-Werror"
2357 LB_CHECK_COMPILE([if 'struct xattr_handler' functions pass in handler pointer],
2358 xattr_handler_simplified, [
2359 #include <linux/xattr.h>
2361 struct xattr_handler handler;
2363 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, 0);
2364 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, 0, 0);
2366 AC_DEFINE(HAVE_XATTR_HANDLER_SIMPLIFIED, 1, [handler pointer is parameter])
2368 EXTRA_KCFLAGS="$tmp_flags"
2369 ]) # LC_HAVE_XATTR_HANDLER_SIMPLIFIED
2372 # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2374 # 4.3 replace interval with interval_exp in 'struct blk_integrity'.
2376 AC_DEFUN([LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD], [
2377 LB_CHECK_COMPILE([if 'bio_integrity_payload.bip_iter' exist],
2378 bio_integrity_payload_bip_iter, [
2379 #include <linux/bio.h>
2381 ((struct bio_integrity_payload *)0)->bip_iter.bi_size = 0;
2383 AC_DEFINE(HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD, 1,
2384 [bio_integrity_payload.bip_iter exist])
2386 ]) # LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
2389 # LC_BIO_INTEGRITY_PREP_FN
2391 # Lustre kernel patch extents bio_integrity_prep to accept optional
2392 # generate/verify_fn as extra args.
2394 AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN], [
2395 LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' exists],
2396 bio_integrity_prep_fn, [
2397 #include <linux/bio.h>
2399 bio_integrity_prep_fn(NULL, NULL, NULL);
2401 AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN, 1,
2402 [kernel has bio_integrity_prep_fn])
2403 AC_SUBST(PATCHED_INTEGRITY_INTF)
2405 AC_SUBST(PATCHED_INTEGRITY_INTF, [#])
2407 ]) # LC_BIO_INTEGRITY_PREP_FN
2412 # 4.4/4.8 redefined bi_rw as bi_opf (SLES12/kernel commit 4382e33ad37486)
2414 AC_DEFUN([LC_HAVE_BI_OPF], [
2415 LB_CHECK_COMPILE([if Linux kernel has bi_opf in struct bio],
2417 #include <linux/bio.h>
2423 AC_DEFINE(HAVE_BI_OPF, 1,
2424 [struct bio has bi_opf])
2429 # LC_HAVE_SUBMIT_BIO_2ARGS
2431 # 4.4 removed an argument from submit_bio
2433 AC_DEFUN([LC_HAVE_SUBMIT_BIO_2ARGS], [
2434 LB_CHECK_COMPILE([if submit_bio takes two arguments],
2435 have_submit_bio_2args, [
2436 #include <linux/bio.h>
2439 submit_bio(READ, &bio);
2441 AC_DEFINE(HAVE_SUBMIT_BIO_2ARGS, 1,
2442 [submit_bio takes two arguments])
2444 ]) # LC_HAVE_SUBMIT_BIO_2_ARGS
2447 # LC_HAVE_CLEAN_BDEV_ALIASES
2449 # 4.4/4.9 unmap_underlying_metadata was replaced by clean_bdev_aliases
2450 # (SLES12/kernel commit 29f3ad7d8380364c)
2452 AC_DEFUN([LC_HAVE_CLEAN_BDEV_ALIASES], [
2453 LB_CHECK_COMPILE([if kernel has clean_bdev_aliases],
2454 have_clean_bdev_aliases, [
2455 #include <linux/buffer_head.h>
2457 struct block_device bdev;
2458 clean_bdev_aliases(&bdev,1,1);
2460 AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
2461 [kernel has clean_bdev_aliases])
2463 ]) # LC_HAVE_CLEAN_BDEV_ALIASES
2466 # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2468 # 4.4 kernel have moved locks API users to
2469 # locks_lock_inode_wait()
2471 AC_DEFUN([LC_HAVE_LOCKS_LOCK_FILE_WAIT], [
2472 LB_CHECK_COMPILE([if 'locks_lock_file_wait' exists],
2473 locks_lock_file_wait, [
2474 #include <linux/fs.h>
2476 locks_lock_file_wait(NULL, NULL);
2478 AC_DEFINE(HAVE_LOCKS_LOCK_FILE_WAIT, 1,
2479 [kernel has locks_lock_file_wait])
2481 ]) # LC_HAVE_LOCKS_LOCK_FILE_WAIT
2484 # LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2486 # 4.4 kernel merged type-specific data with the payload data for keys
2488 AC_DEFUN([LC_HAVE_KEY_PAYLOAD_DATA_ARRAY], [
2489 LB_CHECK_COMPILE([if 'struct key' has 'payload.data' as an array],
2490 key_payload_data_array, [
2491 #include <linux/key.h>
2493 struct key key = { };
2495 key.payload.data[0] = NULL;
2497 AC_DEFINE(HAVE_KEY_PAYLOAD_DATA_ARRAY, 1, [payload.data is an array])
2499 ]) #LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
2502 # LC_HAVE_XATTR_HANDLER_NAME
2504 # Kernel version 4.4 commit 98e9cb5711c68223f0e4d5201b9a6add255ec550
2505 # add a name member to struct xattr_handler
2507 AC_DEFUN([LC_HAVE_XATTR_HANDLER_NAME], [
2508 tmp_flags="$EXTRA_KCFLAGS"
2509 EXTRA_KCFLAGS="-Werror"
2510 LB_CHECK_COMPILE([if 'struct xattr_handler' has a name member],
2511 xattr_handler_name, [
2512 #include <linux/xattr.h>
2514 ((struct xattr_handler *)NULL)->name = NULL;
2516 AC_DEFINE(HAVE_XATTR_HANDLER_NAME, 1, [xattr_handler has a name member])
2518 EXTRA_KCFLAGS="$tmp_flags"
2519 ]) # LC_HAVE_XATTR_HANDLER_NAME
2522 # LC_HAVE_FILE_DENTRY
2524 # 4.5 adds wrapper file_dentry
2526 AC_DEFUN([LC_HAVE_FILE_DENTRY], [
2527 LB_CHECK_COMPILE([if Linux kernel has 'file_dentry'],
2529 #include <linux/fs.h>
2533 AC_DEFINE(HAVE_FILE_DENTRY, 1,
2534 [kernel has file_dentry])
2536 ]) # LC_HAVE_FILE_DENTRY
2539 # LC_HAVE_INODE_LOCK
2541 # 4.5 introduced inode_lock
2543 AC_DEFUN([LC_HAVE_INODE_LOCK], [
2544 LB_CHECK_COMPILE([if 'inode_lock' is defined],
2546 #include <linux/fs.h>
2550 AC_DEFINE(HAVE_INODE_LOCK, 1,
2551 [inode_lock is defined])
2553 ]) # LC_HAVE_INODE_LOCK
2556 # LC_HAVE_IOP_GET_LINK
2558 # 4.5 vfs replaced iop->follow_link with
2561 AC_DEFUN([LC_HAVE_IOP_GET_LINK], [
2562 LB_CHECK_COMPILE([if 'iop' has 'get_link'],
2563 inode_ops_get_link, [
2564 #include <linux/fs.h>
2566 struct inode_operations iop;
2567 iop.get_link = NULL;
2569 AC_DEFINE(HAVE_IOP_GET_LINK, 1,
2570 [have iop get_link])
2572 ]) # LC_HAVE_IOP_GET_LINK
2575 # LC_HAVE_IN_COMPAT_SYSCALL
2577 # 4.6 renamed is_compat_task to in_compat_syscall
2579 AC_DEFUN([LC_HAVE_IN_COMPAT_SYSCALL], [
2580 LB_CHECK_COMPILE([if 'in_compat_syscall' is defined],
2581 in_compat_syscall, [
2582 #include <linux/compat.h>
2584 in_compat_syscall();
2586 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
2587 [have in_compat_syscall])
2589 ]) # LC_HAVE_IN_COMPAT_SYSCALL
2592 # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2594 # Kernel version 4.6 commit b296821a7c42fa58baa17513b2b7b30ae66f3336
2595 # and commit 5930122683dff58f0846b0f0405b4bd598a3ba6a added inode parameter
2596 # to xattr_handler functions
2598 AC_DEFUN([LC_HAVE_XATTR_HANDLER_INODE_PARAM], [
2599 tmp_flags="$EXTRA_KCFLAGS"
2600 EXTRA_KCFLAGS="-Werror"
2601 LB_CHECK_COMPILE([if 'struct xattr_handler' functions have inode parameter],
2602 xattr_handler_inode_param, [
2603 #include <linux/xattr.h>
2605 const struct xattr_handler handler;
2607 ((struct xattr_handler *)0)->get(&handler, NULL, NULL, NULL, NULL, 0);
2608 ((struct xattr_handler *)0)->set(&handler, NULL, NULL, NULL, NULL, 0, 0);
2610 AC_DEFINE(HAVE_XATTR_HANDLER_INODE_PARAM, 1, [needs inode parameter])
2612 EXTRA_KCFLAGS="$tmp_flags"
2613 ]) # LC_HAVE_XATTR_HANDLER_INODE_PARAM
2618 # Kernel version 4.6 commit 85c7f81041d57cfe9dc97f4680d5586b54534a39
2619 # introduced parallel lookups in the VFS layer. The inline function
2620 # d_in_lookup was added to notify when the same item was being queried
2623 AC_DEFUN([LC_D_IN_LOOKUP], [
2624 tmp_flags="$EXTRA_KCFLAGS"
2625 EXTRA_KCFLAGS="-Werror"
2626 LB_CHECK_COMPILE([if 'd_in_lookup' is defined],
2628 #include <linux/dcache.h>
2632 AC_DEFINE(HAVE_D_IN_LOOKUP, 1, [d_in_lookup is defined])
2634 EXTRA_KCFLAGS="$tmp_flags"
2640 # Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
2641 # direct-io: eliminate the offset argument to ->direct_IO
2643 AC_DEFUN([LC_DIRECTIO_2ARGS], [
2644 LB_CHECK_COMPILE([if '->direct_IO()' taken 2 arguments],
2646 #include <linux/fs.h>
2648 struct address_space_operations ops = { };
2649 struct iov_iter *iter = NULL;
2650 struct kiocb *iocb = NULL;
2653 rc = ops.direct_IO(iocb, iter);
2655 AC_DEFINE(HAVE_DIRECTIO_2ARGS, 1,
2656 [direct_IO need 2 arguments])
2658 ]) # LC_DIRECTIO_2ARGS
2661 # LC_GENERIC_WRITE_SYNC_2ARGS
2663 # Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
2664 # fs: add IOCB_SYNC and IOCB_DSYNC
2666 AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
2667 LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
2668 generic_write_sync_2args, [
2669 #include <linux/fs.h>
2671 struct kiocb *iocb = NULL;
2674 rc = generic_write_sync(iocb, 0);
2676 AC_DEFINE(HAVE_GENERIC_WRITE_SYNC_2ARGS, 1,
2677 [generic_write_sync need 2 arguments])
2679 ]) # LC_GENERIC_WRITE_SYNC_2ARGS
2682 # LC_FOP_ITERATE_SHARED
2684 # Kernel version 4.7 adds iterate_shared method to file_operations
2686 AC_DEFUN([LC_FOP_ITERATE_SHARED], [
2687 LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
2688 fop_iterate_shared, [
2689 #include <linux/fs.h>
2691 struct file_operations fop;
2692 fop.iterate_shared = NULL;
2694 AC_DEFINE(HAVE_FOP_ITERATE_SHARED, 1,
2695 [file_operations has iterate_shared])
2697 ]) # LC_FOP_ITERATE_SHARED
2700 # LC_FOPS_ITERATE_SHARED
2702 # 4.7 commit ae05327a00fd47c34dfe25294b359a3f3fef96e8
2703 # ext4: switch to ->iterate_shared()
2704 # this replaces ext4_dir_operations iterate with iterate_shared.
2705 # dir_relaxed_shared() was also added in this commit, so we can
2706 # use that function to verify that the ext4_dir_operations is using
2709 AC_DEFUN([LC_FOPS_ITERATE_SHARED], [
2710 LB_CHECK_COMPILE([if ext4_dir_operations uses iterate_shared],
2712 #include <linux/fs.h>
2714 ((struct file_operations *)0)->iterate_shared(NULL, NULL);
2715 dir_relax_shared(NULL);
2717 AC_DEFINE(HAVE_ITERATE_SHARED, 1,
2718 ['iterate_shared' is available])
2720 ]) # LC_FOPS_ITERATE_SHARED
2723 # LC_HAVE_POSIX_ACL_VALID_USER_NS
2725 # 4.8 posix_acl_valid takes struct user_namespace
2727 AC_DEFUN([LC_HAVE_POSIX_ACL_VALID_USER_NS], [
2728 LB_CHECK_COMPILE([if 'posix_acl_valid' takes 'struct user_namespace'],
2730 #include <linux/fs.h>
2731 #include <linux/posix_acl.h>
2733 posix_acl_valid((struct user_namespace*)NULL, (const struct posix_acl*)NULL);
2735 AC_DEFINE(HAVE_POSIX_ACL_VALID_USER_NS, 1,
2736 [posix_acl_valid takes struct user_namespace])
2738 ]) # LC_HAVE_POSIX_ACL_VALID_USER_NS
2741 # LC_D_COMPARE_4ARGS
2743 # Kernel version 4.8 commit 6fa67e707559303e086303aeecc9e8b91ef497d5
2744 # get rid of 'parent' argument of ->d_compare()
2746 AC_DEFUN([LC_D_COMPARE_4ARGS], [
2747 LB_CHECK_COMPILE([if 'd_compare' taken 4 arguments],
2749 #include <linux/dcache.h>
2751 ((struct dentry_operations*)0)->d_compare(NULL,0,NULL,NULL);
2753 AC_DEFINE(HAVE_D_COMPARE_4ARGS, 1,
2754 [d_compare need 4 arguments])
2756 ]) # LC_D_COMPARE_4ARGS
2759 # LC_FULL_NAME_HASH_3ARGS
2761 # Kernel version 4.8 commit 8387ff2577eb9ed245df9a39947f66976c6bcd02
2762 # vfs: make the string hashes salt the hash
2764 AC_DEFUN([LC_FULL_NAME_HASH_3ARGS], [
2765 LB_CHECK_COMPILE([if 'full_name_hash' taken 3 arguments],
2766 full_name_hash_3args, [
2767 #include <linux/stringhash.h>
2770 hash = full_name_hash(NULL,NULL,0);
2772 AC_DEFINE(HAVE_FULL_NAME_HASH_3ARGS, 1,
2773 [full_name_hash need 3 arguments])
2775 ]) # LC_FULL_NAME_HASH_3ARGS
2778 # LC_STRUCT_POSIX_ACL_XATTR
2780 # Kernel version 4.8 commit 2211d5ba5c6c4e972ba6dbc912b2897425ea6621
2781 # posix_acl: xattr representation cleanups
2783 AC_DEFUN([LC_STRUCT_POSIX_ACL_XATTR], [
2784 LB_CHECK_COMPILE([if 'struct posix_acl_xattr_{header,entry}' defined],
2785 struct_posix_acl_xattr, [
2786 #include <linux/fs.h>
2787 #include <linux/posix_acl_xattr.h>
2789 struct posix_acl_xattr_header *h = NULL;
2790 struct posix_acl_xattr_entry *e;
2791 e = (void *)(h + 1);
2793 AC_DEFINE(HAVE_STRUCT_POSIX_ACL_XATTR, 1,
2794 [struct posix_acl_xattr_{header,entry} defined])
2796 ]) # LC_STRUCT_POSIX_ACL_XATTR
2801 # Kernel version 4.8 commit fd50ecaddf8372a1d96e0daeaac0f93cf04e4d42
2802 # removed {get,set,remove}xattr inode operations
2804 AC_DEFUN([LC_IOP_XATTR], [
2805 LB_CHECK_COMPILE([if 'inode_operations' has {get,set,remove}xattr members],
2807 #include <linux/fs.h>
2809 struct inode_operations iop;
2810 iop.setxattr = NULL;
2811 iop.getxattr = NULL;
2812 iop.removexattr = NULL;
2814 AC_DEFINE(HAVE_IOP_XATTR, 1,
2815 [inode_operations has {get,set,remove}xattr members])
2822 # Kernel version 4.9 commit 81243eacfa400f5f7b89f4c2323d0de9982bb0fb
2823 # cred: simpler, 1D supplementary groups
2825 AC_DEFUN([LC_GROUP_INFO_GID], [
2826 LB_CHECK_COMPILE([if 'struct group_info' has member 'gid'],
2828 #include <linux/cred.h>
2831 p = ((struct group_info *)0)->gid;
2833 AC_DEFINE(HAVE_GROUP_INFO_GID, 1,
2834 [struct group_info has member gid])
2836 ]) # LC_GROUP_INFO_GID
2841 # Kernel version 4.9 commit 5d6c31910bc0713e37628dc0ce677dcb13c8ccf4
2842 # added __vfs_{get,set,remove}xattr helpers
2844 AC_DEFUN([LC_VFS_SETXATTR], [
2845 LB_CHECK_COMPILE([if '__vfs_setxattr' helper is available],
2847 #include <linux/xattr.h>
2849 __vfs_setxattr(NULL, NULL, NULL, NULL, 0, 0);
2851 AC_DEFINE(HAVE_VFS_SETXATTR, 1,
2852 ['__vfs_setxattr is available])
2854 ]) # LC_VFS_SETXATTR
2857 # LC_POSIX_ACL_UPDATE_MODE
2859 # Kernel version 4.9 commit 073931017b49d9458aa351605b43a7e34598caef
2860 # posix_acl: Clear SGID bit when setting file permissions
2862 AC_DEFUN([LC_POSIX_ACL_UPDATE_MODE], [
2863 LB_CHECK_COMPILE([if 'posix_acl_update_mode' exists],
2864 posix_acl_update_mode, [
2865 #include <linux/fs.h>
2866 #include <linux/posix_acl.h>
2868 posix_acl_update_mode(NULL, NULL, NULL);
2870 AC_DEFINE(HAVE_POSIX_ACL_UPDATE_MODE, 1,
2871 ['posix_acl_update_mode' is available])
2873 ]) # LC_POSIX_ACL_UPDATE_MODE
2876 # LC_IOP_GENERIC_READLINK
2878 # Kernel version 4.10 commit dfeef68862edd7d4bafe68ef7aeb5f658ef24bb5
2879 # removed generic_readlink from individual file systems
2881 AC_DEFUN([LC_IOP_GENERIC_READLINK], [
2882 LB_CHECK_COMPILE([if 'generic_readlink' still exist],
2883 inode_ops_readlink, [
2884 #include <linux/fs.h>
2886 struct inode_operations iop;
2887 iop.readlink = generic_readlink;
2889 AC_DEFINE(HAVE_IOP_GENERIC_READLINK, 1,
2890 [generic_readlink has been removed])
2892 ]) # LC_IOP_GENERIC_READLINK
2895 # LC_HAVE_VM_FAULT_ADDRESS
2897 # Kernel version 4.10 commit 1a29d85eb0f19b7d8271923d8917d7b4f5540b3e
2898 # removed virtual_address field. Need to use address field instead
2900 AC_DEFUN([LC_HAVE_VM_FAULT_ADDRESS], [
2901 LB_CHECK_COMPILE([if 'struct vm_fault' replaced virtual_address with address field],
2903 #include <linux/mm.h>
2905 struct vm_fault vmf;
2908 AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1,
2909 [virtual_address has been replaced by address field])
2911 ]) # LC_HAVE_VM_FAULT_ADDRESS
2914 # LC_INODEOPS_ENHANCED_GETATTR
2916 # Kernel version 4.11 commit a528d35e8bfcc521d7cb70aaf03e1bd296c8493f
2917 # expanded getattr to be able to get more stat information.
2919 AC_DEFUN([LC_INODEOPS_ENHANCED_GETATTR], [
2920 LB_CHECK_COMPILE([if 'inode_operations' getattr member can gather advance stats],
2922 #include <linux/fs.h>
2926 ((struct inode_operations *)1)->getattr(&path, NULL, 0, 0);
2928 AC_DEFINE(HAVE_INODEOPS_ENHANCED_GETATTR, 1,
2929 [inode_operations .getattr member function can gather advance stats])
2931 ]) # LC_INODEOPS_ENHANCED_GETATTR
2934 # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2936 # Kernel version 4.11 commit 11bac80004499ea59f361ef2a5516c84b6eab675
2937 # removed struct vm_area_struct as an argument for vm_operations since
2938 # in the same kernel version struct vma_area_struct was folded into
2941 AC_DEFUN([LC_VM_OPERATIONS_REMOVE_VMF_ARG], [
2942 LB_CHECK_COMPILE([if 'struct vm_operations' removed struct vm_area_struct],
2943 vm_operations_no_vm_area_struct, [
2944 #include <linux/mm.h>
2946 struct vm_fault vmf;
2948 ((struct vm_operations_struct *)0)->fault(&vmf);
2949 ((struct vm_operations_struct *)0)->page_mkwrite(&vmf);
2951 AC_DEFINE(HAVE_VM_OPS_USE_VM_FAULT_ONLY, 1,
2952 ['struct vm_operations' remove struct vm_area_struct argument])
2954 ]) # LC_VM_OPERATIONS_REMOVE_VMF_ARG
2957 # LC_HAVE_KEY_USAGE_REFCOUNT
2959 # Kernel version 4.11 commit fff292914d3a2f1efd05ca71c2ba72a3c663201e
2960 # converted key.usage from atomic_t to refcount_t.
2962 AC_DEFUN([LC_HAVE_KEY_USAGE_REFCOUNT], [
2963 LB_CHECK_COMPILE([if 'key.usage' is refcount_t],
2964 key_usage_refcount, [
2965 #include <linux/key.h>
2967 struct key key = { };
2969 refcount_read(&key.usage);
2971 AC_DEFINE(HAVE_KEY_USAGE_REFCOUNT, 1, [key.usage is of type refcount_t])
2973 ]) #LC_HAVE_KEY_USAGE_REFCOUNT
2976 # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2978 # Kernel version 4.11 commit f437a3f477cce402dbec6537b29e9e33962c9f73
2979 # switched CRYPTO_MAX_ALG_NAME from 64 to 128.
2981 AC_DEFUN([LC_HAVE_CRYPTO_MAX_ALG_NAME_128], [
2982 LB_CHECK_COMPILE([if 'CRYPTO_MAX_ALG_NAME' is 128],
2983 crypto_max_alg_name, [
2984 #include <linux/crypto.h>
2986 #if CRYPTO_MAX_ALG_NAME != 128
2990 AC_DEFINE(HAVE_CRYPTO_MAX_ALG_NAME_128, 1,
2991 ['CRYPTO_MAX_ALG_NAME' is 128])
2993 ]) # LC_HAVE_CRYPTO_MAX_ALG_NAME_128
2996 # Kernel version 4.12 commit 47f38c539e9a42344ff5a664942075bd4df93876
2997 # CURRENT_TIME is not 64 bit time safe so it was replaced with
3000 AC_DEFUN([LC_CURRENT_TIME], [
3001 LB_CHECK_COMPILE([if CURRENT_TIME has been replaced with current_time],
3003 #include <linux/fs.h>
3007 attr.ia_atime = current_time(NULL);
3009 AC_DEFINE(HAVE_CURRENT_TIME, 1,
3010 [current_time() has replaced CURRENT_TIME])
3012 ]) # LIBCFS_CURRENT_TIME
3015 # Kernel version 4.12-rc3 85787090a21eb749d8b347eaf9ff1a455637473c
3016 # changed struct super_block s_uuid into a proper uuid_t
3018 AC_DEFUN([LC_SUPER_BLOCK_S_UUID], [
3019 LB_CHECK_COMPILE([if 'struct super_block' s_uuid is uuid_t],
3020 super_block_s_uuid, [
3021 #include <linux/fs.h>
3023 struct super_block sb;
3025 uuid_parse(NULL, &sb.s_uuid);
3027 AC_DEFINE(HAVE_S_UUID_AS_UUID_T, 1, ['s_uuid' is an uuid_t])
3029 ]) # LC_SUPER_BLOCK_S_UUID
3032 # LC_SUPER_SETUP_BDI_NAME
3034 # Kernel version 4.12 commit 9594caf216dc0fe3e318b34af0127276db661241
3035 # unified bdi handling
3037 AC_DEFUN([LC_SUPER_SETUP_BDI_NAME], [
3038 LB_CHECK_COMPILE([if 'super_setup_bdi_name' exist],
3039 super_setup_bdi_name, [
3040 #include <linux/fs.h>
3042 super_setup_bdi_name(NULL, "lustre");
3044 AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
3045 ['super_setup_bdi_name' is available])
3047 ]) # LC_SUPER_SETUP_BDI_NAME
3052 # 4.12 replace bi_error to bi_status
3054 AC_DEFUN([LC_BI_STATUS], [
3055 LB_CHECK_COMPILE([if 'bi_status' exist],
3057 #include <linux/blk_types.h>
3059 ((struct bio *)0)->bi_status = 0;
3061 AC_DEFINE(HAVE_BI_STATUS, 1,
3062 ['bi_status' is available])
3067 # LC_UAPI_LINUX_MOUNT_H
3069 # kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
3070 # vfs: Suppress MS_* flag defs within the kernel ...
3072 AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
3073 tmp_flags="$EXTRA_KCFLAGS"
3074 EXTRA_KCFLAGS="-Werror"
3075 LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
3077 #include <uapi/linux/mount.h>
3082 AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
3083 [if MS_RDONLY was moved to uapi/linux/mount.h])
3085 EXTRA_KCFLAGS="$tmp_flags"
3086 ]) # LC_UAPI_LINUX_MOUNT_H
3089 # LC_BIO_INTEGRITY_ENABLED
3091 # 4.13 removed bio_integrity_enabled
3093 AC_DEFUN([LC_BIO_INTEGRITY_ENABLED], [
3094 LB_CHECK_COMPILE([if 'bio_integrity_enabled' exist],
3095 bio_integrity_enabled, [
3096 #include <linux/bio.h>
3098 bio_integrity_enabled(NULL);
3100 AC_DEFINE(HAVE_BIO_INTEGRITY_ENABLED, 1,
3101 ['bio_integrity_enabled' is available])
3103 ]) # LC_BIO_INTEGRITY_ENABLED
3106 # LC_PAGEVEC_INIT_ONE_PARAM
3108 # 4.14 pagevec_init takes one parameter
3110 AC_DEFUN([LC_PAGEVEC_INIT_ONE_PARAM], [
3111 LB_CHECK_COMPILE([if 'pagevec_init' takes one parameter],
3113 #include <linux/pagevec.h>
3117 AC_DEFINE(HAVE_PAGEVEC_INIT_ONE_PARAM, 1,
3118 ['pagevec_init' takes one parameter])
3120 ]) # LC_PAGEVEC_INIT_ONE_PARAM
3125 # 4.14 replaced bi_bdev to bi_disk
3127 AC_DEFUN([LC_BI_BDEV], [
3128 LB_CHECK_COMPILE([if 'bi_bdev' exist],
3130 #include <linux/bio.h>
3132 ((struct bio *)0)->bi_bdev = NULL;
3134 AC_DEFINE(HAVE_BI_BDEV, 1,
3135 ['bi_bdev' is available])
3142 # kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
3144 AC_DEFUN([LC_I_PAGES], [
3145 LB_CHECK_COMPILE([if struct address_space has i_pages],
3147 #include <linux/fs.h>
3149 struct address_space mapping = {};
3152 i_pages = &mapping.i_pages;
3154 AC_DEFINE(HAVE_I_PAGES, 1,
3155 [struct address_space has i_pages])
3160 # LC_INODE_TIMESPEC64
3162 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
3163 # fs: add timespec64_truncate()
3164 # kernel 4.18 commit 95582b00838837fc07e042979320caf917ce3fe6
3165 # inode timestamps switched to timespec64
3166 # kernel 4.19-rc2 commit 976516404ff3fab2a8caa8bd6f5efc1437fed0b8
3167 # y2038: remove unused time interfaces
3171 # When inode times are timespec64 stop using the deprecated
3174 AC_DEFUN([LC_INODE_TIMESPEC64], [
3175 tmp_flags="$EXTRA_KCFLAGS"
3176 EXTRA_KCFLAGS="-Werror"
3177 LB_CHECK_COMPILE([if inode timestamps are struct timespec64],
3179 #include <linux/fs.h>
3181 struct inode inode = {};
3182 struct timespec64 ts = {};
3184 inode.i_atime = timespec64_trunc(ts, 1);
3187 AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
3188 [inode times are using timespec64])
3190 EXTRA_KCFLAGS="$tmp_flags"
3191 ]) # LC_INODE_TIMESPEC64
3196 # Lustre linux kernel checks
3198 AC_DEFUN([LC_PROG_LINUX], [
3199 AC_MSG_NOTICE([Lustre kernel checks
3200 ==============================================================================])
3205 LC_CONFIG_HEALTH_CHECK_WRITE
3206 LC_CONFIG_LRU_RESIZE
3208 LC_GLIBC_SUPPORT_FHANDLES
3214 LC_BLK_QUEUE_MAX_SEGMENTS
3217 LC_HAVE_XATTR_HANDLER_FLAGS
3220 LC_HAVE_DQUOT_FS_DISK_QUOTA
3221 LC_HAVE_DQUOT_SUSPEND
3222 LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
3225 LC_EXPORT_SIMPLE_SETATTR
3226 LC_EXPORT_TRUNCATE_COMPLETE_PAGE
3230 LC_SBOPS_EVICT_INODE
3234 LC_FS_STRUCT_SEQCOUNT
3238 LC_BLKDEV_GET_BY_DEV
3239 LC_GENERIC_PERMISSION
3247 LC_HAVE_FHANDLE_SYSCALLS
3248 LC_HAVE_FSTYPE_MOUNT
3249 LC_HAVE_INODE_OWNER_OR_CAPABLE
3250 LC_HAVE_SECURITY_IINITSEC
3251 LC_VFS_CREATE_USE_NAMEIDATA
3254 LC_DIRTY_INODE_WITH_FLAG
3258 LC_LM_XXX_LOCK_MANAGER_OPS
3262 LC_INODE_PERMISION_2ARGS
3263 LC_RADIX_EXCEPTION_ENTRY
3264 LC_HAVE_LOOP_CTL_GET_FREE
3267 LC_HAVE_PROTECT_I_NLINK
3270 LC_HAVE_MIGRATE_HEADER
3271 LC_MIGRATEPAGE_4ARGS
3272 LC_SUPEROPS_USE_DENTRY
3273 LC_INODEOPS_USE_UMODE_T
3274 LC_HAVE_CACHE_REGISTER
3278 LC_KMAP_ATOMIC_HAS_1ARG
3282 LC_HAVE_ENCODE_FH_PARENT
3283 LC_FILE_LLSEEK_SIZE_5ARG
3286 LC_DATA_FOR_LLITE_IS_LIST
3287 LC_DENTRY_OPEN_USE_PATH
3288 LC_HAVE_IOP_ATOMIC_OPEN
3289 LC_HAVE_SB_START_WRITE
3292 LC_HAVE_POSIXACL_USER_NS
3295 LC_HAVE_FILE_F_INODE
3297 LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
3300 LC_HAVE_HLIST_FOR_EACH_3ARG
3301 LC_HAVE_BIO_END_SECTOR
3303 LC_HAVE_VFS_GETATTR_2ARGS
3306 LC_HAVE_REMOVE_PROC_SUBTREE
3308 LC_HAVE_PROJECT_QUOTA
3309 LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
3310 LC_HAVE_SECURITY_INODE_LISTSECURITY
3317 LC_HAVE_DENTRY_D_U_D_ALIAS
3318 LC_HAVE_DENTRY_D_CHILD
3319 LC_PID_NS_FOR_CHILDREN
3322 LC_OLDSIZE_TRUNCATE_PAGECACHE
3323 LC_PTR_ERR_OR_ZERO_MISSING
3325 LC_INIT_LIST_HEAD_RCU
3330 LC_HAVE_D_IS_POSITIVE
3334 LC_HAVE_TRUNCATE_IPAGES_FINAL
3335 LC_IOPS_RENAME_WITH_FLAGS
3342 LC_DIRECTIO_USE_ITER
3343 LC_HAVE_IOV_ITER_INIT_DIRECTION
3344 LC_HAVE_IOV_ITER_TRUNCATE
3345 LC_HAVE_FILE_OPERATIONS_READ_WRITE_ITER
3348 LC_HAVE_INTERVAL_BLK_INTEGRITY
3352 LC_PERCPU_COUNTER_INIT
3353 LC_NFS_FILLDIR_USE_CTX
3357 LC_HAVE_DQUOT_QC_DQBLK
3360 LC_BACKING_DEV_INFO_REMOVAL
3361 LC_HAVE_BDI_CAP_MAP_COPY
3364 LC_CANCEL_DIRTY_PAGE
3368 LC_HAVE_SYNC_READ_WRITE
3372 LC_NEW_CANCEL_DIRTY_PAGE
3373 LC_BIO_ENDIO_USES_ONE_ARG
3374 LC_SYMLINK_OPS_USE_NAMEIDATA
3377 LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
3378 LC_HAVE_BIP_ITER_BIO_INTEGRITY_PAYLOAD
3379 LC_HAVE_CACHE_HEAD_HLIST
3380 LC_HAVE_XATTR_HANDLER_SIMPLIFIED
3383 LC_HAVE_LOCKS_LOCK_FILE_WAIT
3384 LC_HAVE_KEY_PAYLOAD_DATA_ARRAY
3385 LC_HAVE_XATTR_HANDLER_NAME
3387 LC_HAVE_SUBMIT_BIO_2ARGS
3388 LC_HAVE_CLEAN_BDEV_ALIASES
3395 LC_HAVE_IOP_GET_LINK
3398 LC_HAVE_IN_COMPAT_SYSCALL
3399 LC_HAVE_XATTR_HANDLER_INODE_PARAM
3404 LC_GENERIC_WRITE_SYNC_2ARGS
3405 LC_FOPS_ITERATE_SHARED
3408 LC_HAVE_POSIX_ACL_VALID_USER_NS
3410 LC_FULL_NAME_HASH_3ARGS
3411 LC_STRUCT_POSIX_ACL_XATTR
3417 LC_POSIX_ACL_UPDATE_MODE
3420 LC_IOP_GENERIC_READLINK
3421 LC_HAVE_VM_FAULT_ADDRESS
3424 LC_INODEOPS_ENHANCED_GETATTR
3425 LC_VM_OPERATIONS_REMOVE_VMF_ARG
3426 LC_HAVE_KEY_USAGE_REFCOUNT
3427 LC_HAVE_CRYPTO_MAX_ALG_NAME_128
3431 LC_SUPER_BLOCK_S_UUID
3432 LC_SUPER_SETUP_BDI_NAME
3436 LC_BIO_INTEGRITY_ENABLED
3439 LC_PAGEVEC_INIT_ONE_PARAM
3449 LC_UAPI_LINUX_MOUNT_H
3451 # kernel patch to extend integrity interface
3452 LC_BIO_INTEGRITY_PREP_FN
3455 AS_IF([test "x$enable_server" != xno], [
3465 # Check whether to build the client side of Lustre
3467 AC_DEFUN([LC_CONFIG_CLIENT], [
3468 AC_MSG_CHECKING([whether to build Lustre client support])
3469 AC_ARG_ENABLE([client],
3470 AC_HELP_STRING([--disable-client],
3471 [disable Lustre client support]),
3472 [], [enable_client="yes"])
3473 AC_MSG_RESULT([$enable_client])
3474 ]) # LC_CONFIG_CLIENT
3479 AC_DEFUN([LB_CONFIG_MPITESTS], [
3480 AC_ARG_ENABLE([mpitests],
3481 AC_HELP_STRING([--enable-mpitests=<yes|no|mpicc wrapper>],
3482 [include mpi tests]), [
3483 enable_mpitests="yes"
3486 MPICC_WRAPPER="mpicc"
3487 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
3490 enable_mpitests="no"
3494 MPICC_WRAPPER=$enableval
3495 MPI_BIN=$(eval echo $MPICC_WRAPPER | xargs dirname)
3499 enable_mpitests="yes"
3500 MPICC_WRAPPER="mpicc"
3501 MPI_BIN=$(eval which $MPICC_WRAPPER | xargs dirname)
3504 if test "x$enable_mpitests" != "xno"; then
3507 AC_CACHE_CHECK([whether mpitests can be built],
3508 lb_cv_mpi_tests, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([
3512 MPI_Initialized(&flag);
3515 ])], [lb_cv_mpi_tests="yes"], [lb_cv_mpi_tests="no"])
3517 enable_mpitests=$lb_cv_mpi_tests
3521 AC_SUBST(MPICC_WRAPPER)
3522 ]) # LB_CONFIG_MPITESTS
3527 # whether to enable quota support global control
3529 AC_DEFUN([LC_CONFIG_QUOTA], [
3530 AC_MSG_CHECKING([whether to enable quota support global control])
3531 AC_ARG_ENABLE([quota],
3532 AC_HELP_STRING([--enable-quota],
3533 [enable quota support]),
3534 [], [enable_quota="yes"])
3535 AS_IF([test "x$enable_quota" = xyes],
3536 [AC_MSG_RESULT([yes])],
3537 [AC_MSG_RESULT([no])])
3538 ]) # LC_CONFIG_QUOTA
3543 AC_DEFUN([LC_QUOTA], [
3547 AS_IF([test "x$enable_quota" != xno -a "x$enable_utils" != xno], [
3548 AC_CHECK_HEADER([sys/quota.h],
3549 [AC_DEFINE(HAVE_SYS_QUOTA_H, 1,
3550 [Define to 1 if you have <sys/quota.h>.])],
3551 [AC_MSG_ERROR([don't find <sys/quota.h> in your system])])
3558 # configure support for optional OSD implementation
3560 AC_DEFUN([LC_OSD_ADDON], [
3561 AC_MSG_CHECKING([whether to use OSD addon])
3563 AC_HELP_STRING([--with-osd=path],
3564 [set path to optional osd]),
3571 OSDADDON="$with_osd"
3578 AS_IF([test $ENABLEOSDADDON -eq 0], [
3582 OSDMODNAME=$(basename $OSDADDON)
3583 AS_IF([test -e $LUSTRE/$OSDMODNAME], [
3584 AC_MSG_RESULT([can't link])
3586 ], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
3587 AC_MSG_RESULT([$OSDMODNAME])
3588 OSDADDON="subdir-m += $OSDMODNAME"
3590 AC_MSG_RESULT([can't link])
3600 # other configure checks
3602 AC_DEFUN([LC_CONFIGURE], [
3603 AC_MSG_NOTICE([Lustre core checks
3604 ==============================================================================])
3606 AS_IF([test $target_cpu == "i686" -o $target_cpu == "x86_64"],
3607 [CFLAGS="$CFLAGS -Wall -Werror"])
3609 # maximum MDS thread count
3612 # lustre/utils/gss/gss_util.c
3613 # lustre/utils/gss/gssd_proc.c
3614 # lustre/utils/gss/krb5_util.c
3615 # lustre/utils/llog_reader.c
3616 # lustre/utils/create_iam.c
3617 # lustre/utils/libiam.c
3618 AC_CHECK_HEADERS([netdb.h endian.h])
3619 AC_CHECK_FUNCS([gethostbyname])
3621 # lustre/utils/llverdev.c
3622 AC_CHECK_HEADERS([blkid/blkid.h])
3624 # lustre/utils/llverfs.c
3625 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
3627 # lustre/utils/lfs.c
3628 AS_IF([test "$enable_dist" = "no"], [
3629 AC_CHECK_LIB([z], [crc32], [
3630 AC_CHECK_HEADER([zlib.h], [], [
3631 AC_MSG_ERROR([zlib.h not found.])])
3634 zlib library not found. Please install zlib development package.])
3639 AC_CHECK_LIB([selinux], [is_selinux_enabled],
3640 [AC_CHECK_HEADERS([selinux/selinux.h],
3641 [SELINUX="-lselinux"
3642 AC_DEFINE([HAVE_SELINUX], 1,
3643 [support for selinux ])],
3646 No libselinux-devel package found, unable to build selinux enabled tools
3651 No selinux package found, unable to build selinux enabled tools
3657 AC_MSG_CHECKING([whether to report minimum OST free space])
3658 AC_ARG_ENABLE([mindf],
3659 AC_HELP_STRING([--enable-mindf],
3660 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
3661 [], [enable_mindf="no"])
3662 AC_MSG_RESULT([$enable_mindf])
3663 AS_IF([test "$enable_mindf" = "yes"],
3664 [AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])])
3666 AC_MSG_CHECKING([whether to randomly failing memory alloc])
3667 AC_ARG_ENABLE([fail_alloc],
3668 AC_HELP_STRING([--disable-fail-alloc],
3669 [disable randomly alloc failure]),
3670 [], [enable_fail_alloc="yes"])
3671 AC_MSG_RESULT([$enable_fail_alloc])
3672 AS_IF([test "x$enable_fail_alloc" != xno],
3673 [AC_DEFINE([RANDOM_FAIL_ALLOC], 1,
3674 [enable randomly alloc failure])])
3676 AC_MSG_CHECKING([whether to check invariants (expensive cpu-wise)])
3677 AC_ARG_ENABLE([invariants],
3678 AC_HELP_STRING([--enable-invariants],
3679 [enable invariant checking (cpu intensive)]),
3680 [], [enable_invariants="no"])
3681 AC_MSG_RESULT([$enable_invariants])
3682 AS_IF([test "x$enable_invariants" = xyes],
3683 [AC_DEFINE([CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK], 1,
3684 [enable invariant checking])])
3686 AC_MSG_CHECKING([whether to track references with lu_ref])
3687 AC_ARG_ENABLE([lu_ref],
3688 AC_HELP_STRING([--enable-lu_ref],
3689 [enable lu_ref reference tracking code]),
3690 [], [enable_lu_ref="no"])
3691 AC_MSG_RESULT([$enable_lu_ref])
3692 AS_IF([test "x$enable_lu_ref" = xyes],
3693 [AC_DEFINE([USE_LU_REF], 1,
3694 [enable lu_ref reference tracking code])])
3696 AC_MSG_CHECKING([whether to enable page state tracking])
3697 AC_ARG_ENABLE([pgstate-track],
3698 AC_HELP_STRING([--enable-pgstate-track],
3699 [enable page state tracking]),
3700 [], [enable_pgstat_track="no"])
3701 AC_MSG_RESULT([$enable_pgstat_track])
3702 AS_IF([test "x$enable_pgstat_track" = xyes],
3703 [AC_DEFINE([CONFIG_DEBUG_PAGESTATE_TRACKING], 1,
3704 [enable page state tracking code])])
3707 AC_MSG_CHECKING([systemd unit file directory])
3708 AC_ARG_WITH([systemdsystemunitdir],
3709 [AS_HELP_STRING([--with-systemdsystemunitdir=DIR],
3710 [Directory for systemd service files])],
3711 [], [with_systemdsystemunitdir=auto])
3712 AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"],
3713 [def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
3714 AS_IF([test "x$def_systemdsystemunitdir" = "x"],
3715 [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
3716 [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
3717 with_systemdsystemunitdir=no],
3718 [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
3719 AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
3720 [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
3721 AC_MSG_RESULT([$with_systemdsystemunitdir])
3727 # AM_CONDITIONALS for lustre
3729 AC_DEFUN([LC_CONDITIONALS], [
3730 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
3731 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
3732 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
3733 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
3734 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
3735 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
3736 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
3737 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
3738 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
3739 AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
3740 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
3741 AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
3742 AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
3743 AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
3744 AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
3745 ]) # LC_CONDITIONALS
3750 # files that should be generated with AC_OUTPUT
3752 AC_DEFUN([LC_CONFIG_FILES],
3756 lustre/autoconf/Makefile
3757 lustre/conf/Makefile
3758 lustre/conf/resource/Makefile
3759 lustre/contrib/Makefile
3761 lustre/include/Makefile
3762 lustre/include/lustre/Makefile
3763 lustre/include/uapi/linux/lustre/Makefile
3764 lustre/kernel_patches/targets/4.18-rhel8.target
3765 lustre/kernel_patches/targets/3.10-rhel7.6.target
3766 lustre/kernel_patches/targets/3.10-rhel7.5.target
3767 lustre/kernel_patches/targets/4.14-rhel7.5.target
3768 lustre/kernel_patches/targets/4.14-rhel7.6.target
3769 lustre/kernel_patches/targets/3.0-sles11.target
3770 lustre/kernel_patches/targets/3.0-sles11sp3.target
3771 lustre/kernel_patches/targets/3.0-sles11sp4.target
3772 lustre/kernel_patches/targets/3.12-sles12.target
3773 lustre/kernel_patches/targets/4.4-sles12.target
3774 lustre/kernel_patches/targets/4.4-sles12sp3.target
3775 lustre/kernel_patches/targets/4.12-sles12sp4.target
3776 lustre/kernel_patches/targets/3.x-fc18.target
3777 lustre/ldlm/Makefile
3779 lustre/fid/autoMakefile
3780 lustre/llite/Makefile
3781 lustre/llite/autoMakefile
3783 lustre/lov/autoMakefile
3785 lustre/mdc/autoMakefile
3787 lustre/lmv/autoMakefile
3788 lustre/lfsck/Makefile
3789 lustre/lfsck/autoMakefile
3791 lustre/mdt/autoMakefile
3793 lustre/mdd/autoMakefile
3795 lustre/fld/autoMakefile
3796 lustre/obdclass/Makefile
3797 lustre/obdclass/autoMakefile
3798 lustre/obdecho/Makefile
3799 lustre/obdecho/autoMakefile
3801 lustre/ofd/autoMakefile
3803 lustre/osc/autoMakefile
3805 lustre/ost/autoMakefile
3806 lustre/osd-ldiskfs/Makefile
3807 lustre/osd-ldiskfs/autoMakefile
3808 lustre/osd-zfs/Makefile
3809 lustre/osd-zfs/autoMakefile
3811 lustre/mgc/autoMakefile
3813 lustre/mgs/autoMakefile
3814 lustre/target/Makefile
3815 lustre/ptlrpc/Makefile
3816 lustre/ptlrpc/autoMakefile
3817 lustre/ptlrpc/gss/Makefile
3818 lustre/ptlrpc/gss/autoMakefile
3819 lustre/quota/Makefile
3820 lustre/quota/autoMakefile
3821 lustre/scripts/Makefile
3822 lustre/scripts/systemd/Makefile
3823 lustre/tests/Makefile
3824 lustre/tests/mpi/Makefile
3825 lustre/tests/kernel/Makefile
3826 lustre/tests/kernel/autoMakefile
3827 lustre/utils/Makefile
3828 lustre/utils/gss/Makefile
3830 lustre/osp/autoMakefile
3832 lustre/lod/autoMakefile
3834 ]) # LC_CONFIG_FILES