#
AC_DEFUN([LC_CONFIG_SRCDIR], [
AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
-libcfs_is_module="yes"
ldiskfs_is_ext4="yes"
])
]) # LC_GLIBC_SUPPORT_FHANDLES
#
+# LC_GLIBC_SUPPORT_COPY_FILE_RANGE
+#
+AC_DEFUN([LC_GLIBC_SUPPORT_COPY_FILE_RANGE], [
+AC_CHECK_FUNCS([copy_file_range],
+ [AC_DEFINE(HAVE_COPY_FILE_RANGE, 1,
+ [copy_file_range() is supported])],
+ [AC_MSG_WARN([copy_file_range() is not supported])])
+]) # LC_GLIBC_SUPPORT_COPY_FILE_RANGE
+
+#
+# LC_FID2PATH_UNION
+#
+AC_DEFUN([LC_FID2PATH_ANON_UNION], [
+AC_MSG_CHECKING([if 'struct getinfo_fid2path' has anony•mous union])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <linux/lustre/lustre_idl.h>
+
+ int main(void) {
+ struct getinfo_fid2path gf;
+ struct lu_fid root_fid;
+
+ *gf.gf_root_fid = root_fid;
+ return 0;
+ }
+])],[
+ AC_DEFINE(HAVE_FID2PATH_ANON_UNIONS, 1, [union is unnamed])
+ AC_MSG_RESULT("yes")
+])
+]) # LC_FID2PATH_ANON_UNION
+
+#
+# LC_IOC_REMOVE_ENTRY
+#
+AC_DEFUN([LC_IOC_REMOVE_ENTRY], [
+AC_MSG_CHECKING([if ioctl IOC_REMOVE_ENTRY' is supported])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+ #include <sys/ioctl.h>
+ #include <linux/lustre/lustre_ioctl.h>
+
+ int main(void) {
+ return ioctl(0, LL_IOC_REMOVE_ENTRY, NULL);
+ }
+])],[
+ AC_DEFINE(HAVE_IOC_REMOVE_ENTRY, 1,
+ [IOC_REMOVE_ENTRY ioctl exists])
+])
+]) # LC_IOC_REMOVE_ENTRY
+
+#
# LC_STACK_SIZE
#
# Ensure the stack size is at least 8k in Lustre server (all kernels)
[], [enable_pinger="yes"])
AC_MSG_RESULT([$enable_pinger])
AS_IF([test "x$enable_pinger" != xno],
- [AC_DEFINE(ENABLE_PINGER, 1,[Use the Pinger])])
+ [AC_DEFINE(CONFIG_LUSTRE_FS_PINGER, 1,[Use the Pinger])])
]) # LC_CONFIG_PINGER
#
]) # LC_QUOTA_CONFIG
#
-# LC_EXPORT_TRUNCATE_COMPLETE_PAGE
+# LC_CONFIG_FHANDLE
+#
+# fhandle kernel support for open_by_handle_at() and name_to_handle_at()
+# system calls. The kernel must support CONFIG_FHANDLE.
+#
+AC_DEFUN([LC_CONFIG_FHANDLE], [
+LB_CHECK_CONFIG_IM([FHANDLE], [],
+ [AC_MSG_ERROR([
+
+Lustre fid handling requires that CONFIG_FHANDLE is enabled in your kernel.
+])])
+]) # LC_CONFIG_FHANDLE
+
+#
+# LC_POSIX_ACL_CONFIG
#
-# truncate_complete_page() has never been exported from an upstream kernel
-# remove_from_page_cache() was exported between 2.6.35 and 2.6.38
-# delete_from_page_cache() is exported from 2.6.39
+# POSIX ACL support.
#
-AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE_PAGE], [
-LB_CHECK_EXPORT([truncate_complete_page], [mm/truncate.c],
- [AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
- [kernel export truncate_complete_page])])
-LB_CHECK_EXPORT([remove_from_page_cache], [mm/filemap.c],
- [AC_DEFINE(HAVE_REMOVE_FROM_PAGE_CACHE, 1,
- [kernel export remove_from_page_cache])])
-LB_CHECK_EXPORT([delete_from_page_cache], [mm/filemap.c],
- [AC_DEFINE(HAVE_DELETE_FROM_PAGE_CACHE, 1,
- [kernel export delete_from_page_cache])])
-]) # LC_EXPORT_TRUNCATE_COMPLETE_PAGE
+AC_DEFUN([LC_POSIX_ACL_CONFIG], [
+LB_CHECK_CONFIG_IM([FS_POSIX_ACL],
+ [AC_DEFINE(CONFIG_LUSTRE_FS_POSIX_ACL, 1, [Enable POSIX acl])
+], [ ])
+]) # LC_POSIX_ACL_CONFIG
+
+LB_CHECK_CONFIG_IM([CRYPTO_MD5], [],
+ [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
#
# LC_CONFIG_GSS_KEYRING
AC_ARG_ENABLE([gss_keyring],
[AC_HELP_STRING([--disable-gss-keyring],
[disable gss keyring backend])],
- [], [enable_gss_keyring="auto"])
+ [], [AS_IF([test "x$enable_gss" != xno], [
+ enable_gss_keyring="yes"], [
+ enable_gss_keyring="auto"])])
AC_MSG_RESULT([$enable_gss_keyring])
AS_IF([test "x$enable_gss_keyring" != xno], [
LB_CHECK_CONFIG_IM([KEYS], [], [
AS_IF([test "x$enable_gss_keyring" = xyes], [
AC_MSG_ERROR([Cannot enable gss_keyring. See above for details.])
])
+ enable_ssk="no"
])
+], [
+ enable_ssk="no"
])
]) # LC_CONFIG_GSS_KEYRING
#
-# LC_HAVE_CRED_TGCRED
-#
-# rhel7 struct cred has no member tgcred
-#
-AC_DEFUN([LC_HAVE_CRED_TGCRED], [
-LB_CHECK_COMPILE([if 'struct cred' has member 'tgcred'],
-cred_tgcred, [
- #include <linux/cred.h>
-],[
- ((struct cred *)0)->tgcred = NULL;
-],[
- AC_DEFINE(HAVE_CRED_TGCRED, 1,
- [struct cred has member tgcred])
-])
-]) # LC_HAVE_CRED_TGCRED
-
-#
# LC_KEY_TYPE_INSTANTIATE_2ARGS
#
# rhel7 key_type->instantiate takes 2 args (struct key, struct key_preparsed_payload)
[], [enable_gss="auto"])
AC_MSG_RESULT([$enable_gss])
+AC_ARG_VAR([TEST_JOBS],
+ [simultaneous jobs during configure (defaults to $(nproc))])
+if test "x$ac_cv_env_TEST_JOBS_set" != "xset"; then
+ TEST_JOBS=${TEST_JOBS:-$(nproc)}
+fi
+AC_SUBST(TEST_JOBS)
+
+AC_ARG_VAR([TEST_DIR],
+ [location of temporary parallel configure tests (defaults to $PWD/lb2)])
+ TEST_DIR=${TEST_DIR:-$PWD/_lpb}
+AC_SUBST(TEST_DIR)
+
AS_IF([test "x$enable_gss" != xno], [
LC_CONFIG_GSS_KEYRING
- LC_HAVE_CRED_TGCRED
LC_KEY_TYPE_INSTANTIATE_2ARGS
sunrpc_required=$enable_gss
LC_CONFIG_SUNRPC
enable_gss="no"
])
- enable_ssk=$enable_gss
+ AS_IF([test "x$enable_ssk" != xno], [
+ enable_ssk=$enable_gss
+ ])
], [
enable_gss_keyring="no"
])
enable_getsepol="no"
AC_MSG_WARN([
-No openssk-devel headers found, unable to build l_getsepol and SELinux status checking
+No openssl-devel headers found, unable to build l_getsepol and SELinux status checking
])
])
AC_MSG_RESULT([$enable_getsepol])
]) # LC_OPENSSL_GETSEPOL
-# LC_INODE_PERMISION_2ARGS
-#
-# up to v2.6.27 had a 3 arg version (inode, mask, nameidata)
-# v2.6.27->v2.6.37 had a 2 arg version (inode, mask)
-# v2.6.37->v3.0 had a 3 arg version (inode, mask, nameidata)
-# v3.1 onward have a 2 arg version (inode, mask)
-#
-AC_DEFUN([LC_INODE_PERMISION_2ARGS], [
-LB_CHECK_COMPILE([if 'inode_operations->permission' has two args],
-inode_ops_permission_2args, [
- #include <linux/fs.h>
-],[
- struct inode *inode __attribute__ ((unused));
-
- inode = NULL;
- inode->i_op->permission(NULL, 0);
-],[
- AC_DEFINE(HAVE_INODE_PERMISION_2ARGS, 1,
- [inode_operations->permission has two args])
-])
-]) # LC_INODE_PERMISION_2ARGS
-
-#
-# LC_BLK_QUEUE_MAX_SEGMENTS
-#
-# 2.6.32 replaces 2 functions blk_queue_max_phys_segments and blk_queue_max_hw_segments by blk_queue_max_segments
-#
-AC_DEFUN([LC_BLK_QUEUE_MAX_SEGMENTS], [
-LB_CHECK_COMPILE([if 'blk_queue_max_segments' is defined],
-blk_queue_max_segments, [
- #include <linux/blkdev.h>
-],[
- blk_queue_max_segments(NULL, 0);
-],[
- AC_DEFINE(HAVE_BLK_QUEUE_MAX_SEGMENTS, 1,
- [blk_queue_max_segments is defined])
-])
-]) # LC_BLK_QUEUE_MAX_SEGMENTS
-
-#
-# LC_HAVE_XATTR_HANDLER_FLAGS
-#
-# 2.6.33 added a private flag to xattr_handler
-#
-AC_DEFUN([LC_HAVE_XATTR_HANDLER_FLAGS], [
-LB_CHECK_COMPILE([if 'struct xattr_handler' has flags field],
-xattr_handler_flags, [
- #include <linux/xattr.h>
-],[
- struct xattr_handler handler;
-
- handler.flags = 0;
-],[
- AC_DEFINE(HAVE_XATTR_HANDLER_FLAGS, 1, [flags field exist])
-])
-]) # LC_HAVE_XATTR_HANDLER_FLAGS
-
-#
-# LC_HAVE_DQUOT_FS_DISK_QUOTA
-#
-# 2.6.34 has quotactl_ops->[sg]et_dqblk that take struct fs_disk_quota
-#
-AC_DEFUN([LC_HAVE_DQUOT_FS_DISK_QUOTA], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct fs_disk_quota],
-fs_disk_quota, [
- #include <linux/fs.h>
- #include <linux/quota.h>
-],[
- ((struct quotactl_ops *)0)->set_dqblk(NULL, 0, 0, (struct fs_disk_quota*)0);
-],[
- AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
- [quotactl_ops.set_dqblk takes struct fs_disk_quota])
-],[
- LB_CHECK_COMPILE([if 'quotactl_ops.set_dqblk' takes struct kqid & fs_disk_quota],
- kqid_fs_disk_quota, [
- #include <linux/fs.h>
- #include <linux/quota.h>
- ],[
- ((struct quotactl_ops *)0)->set_dqblk((struct super_block*)0, *((struct kqid*)0), (struct fs_disk_quota*)0);
- ],[
- AC_DEFINE(HAVE_DQUOT_FS_DISK_QUOTA, 1,
- [quotactl_ops.set_dqblk takes struct fs_disk_quota])
- AC_DEFINE(HAVE_DQUOT_KQID, 1,
- [quotactl_ops.set_dqblk takes struct kqid])
- ])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_HAVE_DQUOT_FS_DISK_QUOTA
-
-#
-# LC_HAVE_DQUOT_SUSPEND
-#
-# 2.6.34 has renamed dquot options to dquot_*, check for dquot_suspend
-#
-AC_DEFUN([LC_HAVE_DQUOT_SUSPEND], [
-LB_CHECK_COMPILE([if 'dquot_suspend' is defined],
-dquot_suspend, [
- #include <linux/quotaops.h>
-],[
- dquot_suspend(NULL, -1);
-],[
- AC_DEFINE(HAVE_DQUOT_SUSPEND, 1, [dquot_suspend is defined])
-])
-]) # LC_HAVE_DQUOT_SUSPEND
+# LC_HAVE_LIBAIO
+AC_DEFUN([LC_HAVE_LIBAIO], [
+ AC_CHECK_HEADER([libaio.h],
+ enable_libaio="yes",
+ AC_MSG_WARN([libaio is not installed in the system]))
+]) # LC_HAVE_LIBAIO
-#
-# LC_QUOTA64
-#
-# Check if kernel has been patched for 64-bit quota limits support.
-# The upstream version of this patch in RHEL6 2.6.32 kernels introduces
-# the constant QFMT_VFS_V1 in include/linux/quota.h, so we can check for
-# that in the absence of quotaio_v1.h in the kernel headers.
-#
-AC_DEFUN([LC_QUOTA64], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-I$LINUX/fs"
-LB_CHECK_COMPILE([if kernel has 64-bit quota limits support],
-quota64, [
- #include <linux/kernel.h>
- #include <linux/fs.h>
- #if defined(HAVE_FS_QUOTA_QUOTAIO_H)
- #include <quota/quotaio_v2.h>
- struct v2r1_disk_dqblk dqblk_r1;
- #else
+AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
+LB_CHECK_COMPILE([if get_projid exists],
+get_projid, [
+ struct inode;
#include <linux/quota.h>
- int ver = QFMT_VFS_V1;
- #endif
-], [], [
- AC_DEFINE(HAVE_QUOTA64, 1, [have quota64])
-],[
- LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],
- [AC_MSG_ERROR([You have got no 64-bit kernel quota support.])])
-])
-EXTRA_KCFLAGS=$tmp_flags
-]) # LC_QUOTA64
-
-#
-# LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
-#
-# 2.6.34 adds __add_wait_queue_exclusive
-#
-AC_DEFUN([LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE], [
-LB_CHECK_COMPILE([if '__add_wait_queue_exclusive' exists],
-__add_wait_queue_exclusive, [
- #include <linux/wait.h>
-],[
- wait_queue_head_t queue = { };
- wait_queue_t wait = { };
-
- __add_wait_queue_exclusive(&queue, &wait);
-],[
- AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
- [__add_wait_queue_exclusive exists])
-])
-]) # LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
-
-#
-# LC_FS_STRUCT_RWLOCK
-#
-# 2.6.36 fs_struct.lock use spinlock instead of rwlock.
-#
-AC_DEFUN([LC_FS_STRUCT_RWLOCK], [
-LB_CHECK_COMPILE([if 'fs_struct.lock' use rwlock],
-fs_struct_rwlock, [
- #include <asm/atomic.h>
- #include <linux/spinlock.h>
- #include <linux/fs_struct.h>
-],[
- struct fs_struct fss = { };
- rwlock_t rwl = { };
-
- fss.lock = rwl;
-],[
- AC_DEFINE(HAVE_FS_STRUCT_RWLOCK, 1, [fs_struct.lock use rwlock])
-])
-]) # LC_FS_STRUCT_RWLOCK
-
-#
-# LC_SBOPS_EVICT_INODE
-#
-# 2.6.36 super_operations add evict_inode method. it hybird of
-# delete_inode & clear_inode.
-#
-AC_DEFUN([LC_SBOPS_EVICT_INODE], [
-LB_CHECK_COMPILE([if 'super_operations.evict_inode' exist],
-super_ops_evict_inode, [
- #include <linux/fs.h>
-],[
- ((struct super_operations *)0)->evict_inode(NULL);
-],[
- AC_DEFINE(HAVE_SBOPS_EVICT_INODE, 1,
- [super_operations.evict_inode() is exist in kernel])
-])
-]) # LC_SBOPS_EVICT_INODE
-
-#
-# LC_KERNEL_LOCKED
-#
-# 2.6.37 remove kernel_locked
-#
-AC_DEFUN([LC_KERNEL_LOCKED], [
-LB_CHECK_COMPILE([if 'kernel_locked' is defined],
-kernel_locked, [
- #include <linux/smp_lock.h>
-],[
- kernel_locked();
-],[
- AC_DEFINE(HAVE_KERNEL_LOCKED, 1, [kernel_locked is defined])
-])
-]) # LC_KERNEL_LOCKED
-
-#
-# LC_FS_STRUCT_SEQCOUNT
-#
-# 2.6.37 uses seqlock in fs_struct
-#
-AC_DEFUN([LC_FS_STRUCT_SEQCOUNT], [
-LB_CHECK_COMPILE([if fs_struct use seqcount],
-fs_struct_seqcount, [
- #include <linux/fs_struct.h>
-],[
- ((struct fs_struct *)0)->seq = (struct seqcount){ 0 };
-],[
- AC_DEFINE(HAVE_FS_STRUCT_SEQCOUNT, 1, [fs_struct use seqcount])
-])
-]) # LC_FS_STRUCT_SEQCOUNT
-
-# LC_DENTRY_PATH_RAW
-#
-# Kernel version 2.6.37 commit ec2447c278ee973d35f38e53ca16ba7f965ae33d
-# dentry_path_raw is exported
-#
-AC_DEFUN([LC_DENTRY_PATH_RAW], [
-LB_CHECK_COMPILE([if 'dentry_path_raw' exist],
-dentry_path_raw, [
- #include <linux/dcache.h>
-],[
- dentry_path_raw(NULL, NULL, 0);
-],[
- AC_DEFINE(HAVE_DENTRY_PATH_RAW, 1,
- ['dentry_path_raw' is available])
-])
-]) # LC_DENTRY_PATH_RAW
-
-#
-# LC_D_COMPARE_7ARGS
-#
-# 2.6.38 dentry_operations.d_compare() taken 7 arguments.
-#
-AC_DEFUN([LC_D_COMPARE_7ARGS], [
-LB_CHECK_COMPILE([if 'dentry_operations.d_compare()' taken 7 arguments],
-dentry_ops_d_compare_7arg, [
- #include <linux/dcache.h>
-],[
- ((struct dentry_operations*)0)->d_compare(NULL,NULL,NULL,NULL,0,NULL,NULL);
-],[
- AC_DEFINE(HAVE_D_COMPARE_7ARGS, 1, [d_compare need 7 arguments])
-])
-]) # LC_D_COMPARE_7ARGS
-
-#
-# LC_D_DELETE_CONST
-#
-# 2.6.38 dentry_operations.d_delete() defined 'const' for 1st parameter.
-#
-AC_DEFUN([LC_D_DELETE_CONST], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'dentry_operations.d_delete()' has const declare on first parameter],
-dentry_ops_d_delete_1st_const, [
- #include <linux/dcache.h>
-],[
- const struct dentry *d = NULL;
- ((struct dentry_operations*)0)->d_delete(d);
-],[
- AC_DEFINE(HAVE_D_DELETE_CONST, const,
- [d_delete first parameter declared const])
-],[
- AC_DEFINE(HAVE_D_DELETE_CONST, [],
- [d_delete first parameter declared is not const])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_D_DELETE_CONST
-
-#
-# LC_DCACHE_LOCK
-#
-# 2.6.38 dcache_lock removed. rcu-walk committed.
-#
-AC_DEFUN([LC_DCACHE_LOCK], [
-LB_CHECK_COMPILE([if 'dcache_lock' is exist],
-dcache_lock, [
- #include <linux/dcache.h>
-],[
- spin_lock(&dcache_lock);
-],[
- AC_DEFINE(HAVE_DCACHE_LOCK, 1,
- [dcache_lock is exist])
-])
-]) # LC_DCACHE_LOCK
-
-#
-# LC_INODE_I_RCU
-#
-# 2.6.38 inode.i_rcu added.
-#
-AC_DEFUN([LC_INODE_I_RCU], [
-LB_CHECK_COMPILE([if 'inode.i_rcu' exists],
-inode_i_rcu, [
- #include <linux/fs.h>
-],[
- struct inode ino;
- struct rcu_head rcu = {};
- ino.i_rcu = rcu;
-],[
- AC_DEFINE(HAVE_INODE_I_RCU, 1,
- [inode.i_rcu exists])
-])
-]) # LC_INODE_I_RCU
-
-#
-# LC_BLKDEV_GET_BY_DEV
-#
-# 2.6.38 export blkdev_get_by_dev
-#
-AC_DEFUN([LC_BLKDEV_GET_BY_DEV], [
-LB_CHECK_EXPORT([blkdev_get_by_dev], [fs/block_dev.c],
- [AC_DEFINE(HAVE_BLKDEV_GET_BY_DEV, 1,
- [blkdev_get_by_dev is exported by the kernel])])
-]) # LC_BLKDEV_GET_BY_DEV
-
-#
-# LC_EXPORT_SIMPLE_SETATTR
-#
-# 2.6.38 export simple_setattr
-#
-AC_DEFUN([LC_EXPORT_SIMPLE_SETATTR], [
-LB_CHECK_EXPORT([simple_setattr], [fs/libfs.c],
- [AC_DEFINE(HAVE_SIMPLE_SETATTR, 1,
- [simple_setattr is exported by the kernel])])
-]) # LC_EXPORT_SIMPLE_SETATTR
-
-#
-# LC_HAVE_BLK_PLUG
-#
-# 2.6.38 add struct blk_plug
-#
-AC_DEFUN([LC_HAVE_BLK_PLUG], [
-LB_CHECK_COMPILE([if 'struct blk_plug' exists],
-blk_plug, [
- #include <linux/blkdev.h>
-],[
- struct blk_plug plug;
-
- blk_start_plug(&plug);
- blk_finish_plug(&plug);
-],[
- AC_DEFINE(HAVE_BLK_PLUG, 1,
- [blk_plug struct exists])
-])
-]) # LC_HAVE_BLK_PLUG
-
-#
-# LC_HAVE_FSTYPE_MOUNT
-#
-# 2.6.39 replace get_sb with mount in struct file_system_type
-#
-AC_DEFUN([LC_HAVE_FSTYPE_MOUNT], [
-LB_CHECK_COMPILE([if 'file_system_type' has 'mount' field],
-file_system_type_mount, [
- #include <linux/fs.h>
-],[
- struct file_system_type fst = { };
- void *mount;
-
- mount = (void *)fst.mount;
-],[
- AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
- [struct file_system_type has mount field])
-])
-]) # LC_HAVE_FSTYPE_MOUNT
-
-#
-# LC_HAVE_FHANDLE_SYSCALLS
-#
-# 2.6.39 The open_by_handle_at() and name_to_handle_at() system calls were
-# added to Linux kernel 2.6.39.
-# Check if client supports these functions
-#
-AC_DEFUN([LC_HAVE_FHANDLE_SYSCALLS], [
-LB_CHECK_CONFIG_IM([FHANDLE],[
- AC_DEFINE(HAVE_FHANDLE_SYSCALLS, 1,
- [kernel supports fhandles and related syscalls])
- ])
-]) # LC_HAVE_FHANDLE_SYSCALLS
-
-#
-# LC_HAVE_INODE_OWNER_OR_CAPABLE
-#
-# 2.6.39 renames is_owner_or_cap to inode_owner_or_capable
-#
-AC_DEFUN([LC_HAVE_INODE_OWNER_OR_CAPABLE], [
-LB_CHECK_COMPILE([if 'inode_owner_or_capable' exist],
-inode_owner_or_capable, [
- #include <linux/fs.h>
-],[
- inode_owner_or_capable(NULL);
-],[
- AC_DEFINE(HAVE_INODE_OWNER_OR_CAPABLE, 1,
- [inode_owner_or_capable exist])
-])
-]) # LC_HAVE_INODE_OWNER_OR_CAPABLE
-
-#
-# LC_DIRTY_INODE_WITH_FLAG
-#
-# 3.0 dirty_inode() has a flag parameter
-# see kernel commit aa38572954ade525817fe88c54faebf85e5a61c0
-#
-AC_DEFUN([LC_DIRTY_INODE_WITH_FLAG], [
-LB_CHECK_COMPILE([if 'dirty_inode' super_operation takes flag],
-dirty_inode_super_operation_flag, [
- #include <linux/fs.h>
-],[
- struct inode *inode = NULL;
- inode->i_sb->s_op->dirty_inode(NULL, 0);
-],[
- AC_DEFINE(HAVE_DIRTY_INODE_HAS_FLAG, 1,
- [dirty_inode super_operation takes flag])
-])
-]) # LC_DIRTY_INODE_WITH_FLAG
-
-#
-# LC_SETNS
-#
-# 3.0 introduced setns
-#
-AC_DEFUN([LC_SETNS], [
-AC_CHECK_HEADERS([sched.h], [], [],
- [#define _GNU_SOURCE
- ])
-AC_CHECK_FUNCS([setns])
-]) # LC_SETNS
-
-#
-# LC_GENERIC_PERMISSION
-#
-# 2.6.38 generic_permission taken 4 parameters.
-# in fact, it means rcu-walk aware permission bring.
-#
-# 3.1 generic_permission taken 2 parameters.
-# see kernel commit 2830ba7f34ebb27c4e5b8b6ef408cd6d74860890
-#
-AC_DEFUN([LC_GENERIC_PERMISSION], [
-LB_CHECK_COMPILE([if 'generic_permission' take 2 arguments],
-generic_permission_2args, [
- #include <linux/fs.h>
],[
- generic_permission(NULL, 0);
-],[
- AC_DEFINE(HAVE_GENERIC_PERMISSION_2ARGS, 1,
- [generic_permission taken 2 arguments])
-],[
- LB_CHECK_COMPILE([if 'generic_permission' take 4 arguments],
- generic_permission_4args, [
- #include <linux/fs.h>
- ],[
- generic_permission(NULL, 0, 0, NULL);
- ],[
- AC_DEFINE(HAVE_GENERIC_PERMISSION_4ARGS, 1,
- [generic_permission taken 4 arguments])
- ])
-])
-]) # LC_GENERIC_PERMISSION
+ struct dquot_operations ops = { };
-#
-# LC_LM_XXX_LOCK_MANAGER_OPS
-#
-# 3.1 renames lock-manager ops(lock_manager_operations) from fl_xxx to lm_xxx
-# see kernel commit 8fb47a4fbf858a164e973b8ea8ef5e83e61f2e50
-#
-AC_DEFUN([LC_LM_XXX_LOCK_MANAGER_OPS], [
-LB_CHECK_COMPILE([if 'lock-manager' ops renamed to 'lm_xxx'],
-lock_manager_ops_lm_xxx, [
- #include <linux/fs.h>
-],[
- struct lock_manager_operations lm_ops;
- lm_ops.lm_compare_owner = NULL;
-],[
- AC_DEFINE(HAVE_LM_XXX_LOCK_MANAGER_OPS, 1,
- [lock-manager ops renamed to lm_xxx])
-])
-]) # LC_LM_XXX_LOCK_MANAGER_OPS
-
-#
-# LC_INODE_DIO_WAIT
-#
-# 3.1 kills inode->i_alloc_sem, use i_dio_count and inode_dio_wait
-# instead.
-# see kernel commit bd5fe6c5eb9c548d7f07fe8f89a150bb6705e8e3
-#
-AC_DEFUN([LC_INODE_DIO_WAIT], [
-LB_CHECK_COMPILE([if 'inode->i_alloc_sem' is killed and use inode_dio_wait],
-inode_dio_wait, [
- #include <linux/fs.h>
-],[
- inode_dio_wait((struct inode *)0);
-],[
- AC_DEFINE(HAVE_INODE_DIO_WAIT, 1,
- [inode->i_alloc_sem is killed and use inode_dio_wait])
-])
-]) # LC_INODE_DIO_WAIT
-
-#
-# LC_IOP_GET_ACL
-#
-# 3.1 adds get_acl method to inode_operations to read ACL from disk.
-# see kernel commit 4e34e719e457f2e031297175410fc0bd4016a085
-#
-AC_DEFUN([LC_IOP_GET_ACL], [
-LB_CHECK_COMPILE([if 'inode_operations' has '.get_acl' member function],
-inode_ops_get_acl, [
- #include <linux/fs.h>
-],[
- struct inode_operations iop;
- iop.get_acl = NULL;
-],[
- AC_DEFINE(HAVE_IOP_GET_ACL, 1,
- [inode_operations has .get_acl member function])
-])
-]) # LC_IOP_GET_ACL
-
-#
-# LC_FILE_LLSEEK_SIZE
-#
-# 3.1 introduced generic_file_llseek_size()
-#
-AC_DEFUN([LC_FILE_LLSEEK_SIZE], [
-LB_CHECK_EXPORT([generic_file_llseek_size], [fs/read_write.c],
- [AC_DEFINE(HAVE_FILE_LLSEEK_SIZE, 1,
- [generic_file_llseek_size is exported by the kernel])])
-]) # LC_FILE_LLSEEK_SIZE
-
-#
-# LC_RADIX_EXCEPTION_ENTRY
-# 3.1 adds radix_tree_exception_entry.
-#
-AC_DEFUN([LC_RADIX_EXCEPTION_ENTRY], [
-LB_CHECK_COMPILE([radix_tree_exceptional_entry exist],
-radix_tree_exceptional_entry, [
- #include <linux/radix-tree.h>
-],[
- radix_tree_exceptional_entry(NULL);
-],[
- AC_DEFINE(HAVE_RADIX_EXCEPTION_ENTRY, 1,
- [radix_tree_exceptional_entry exist])
-])
-]) # LC_RADIX_EXCEPTION_ENTRY
-
-#
-# LC_HAVE_PROTECT_I_NLINK
-#
-# 3.2 protects inode->i_nlink from direct modification
-# see kernel commit a78ef704a8dd430225955f0709b22d4a6ba21deb
-# at the same time adds set_nlink(), so checks set_nlink() for it.
-#
-AC_DEFUN([LC_HAVE_PROTECT_I_NLINK], [
-LB_CHECK_COMPILE([if 'inode->i_nlink' is protected from direct modification],
-inode_i_nlink_protected, [
- #include <linux/fs.h>
-],[
- struct inode i;
- set_nlink(&i, 1);
-],[
- AC_DEFINE(HAVE_PROTECT_I_NLINK, 1,
- [inode->i_nlink is protected from direct modification])
-])
-]) # LC_HAVE_PROTECT_I_NLINK
-
-#
-# 2.6.39 security_inode_init_security takes a 'struct qstr' parameter
-#
-# 3.2 security_inode_init_security takes a callback to set xattrs
-#
-AC_DEFUN([LC_HAVE_SECURITY_IINITSEC], [
-LB_CHECK_COMPILE([if security_inode_init_security takes a callback],
-security_inode_init_security_callback, [
- #include <linux/security.h>
-],[
- security_inode_init_security(NULL, NULL, NULL, (const initxattrs)NULL, NULL);
-],[
- AC_DEFINE(HAVE_SECURITY_IINITSEC_CALLBACK, 1,
- [security_inode_init_security takes a callback to set xattrs])
-],[
- LB_CHECK_COMPILE([if security_inode_init_security takes a 'struct qstr' parameter],
- security_inode_init_security_qstr, [
- #include <linux/security.h>
- ],[
- security_inode_init_security(NULL, NULL, (struct qstr *)NULL, NULL, NULL, NULL);
- ],[
- AC_DEFINE(HAVE_SECURITY_IINITSEC_QSTR, 1,
- [security_inode_init_security takes a 'struct qstr' parameter])
- ])
-])
-]) # LC_HAVE_SECURITY_IINITSEC
-
-#
-# 2.6.39 vfs_create takes a 'struct nameidata' parameter
-#
-AC_DEFUN([LC_VFS_CREATE_USE_NAMEIDATA], [
-LB_CHECK_COMPILE([if vfs_create takes a struct nameidata parameter],
-vfs_create, [
- #include <linux/namei.h>
- #include <linux/fs.h>
-],[
- struct nameidata *nd;
- vfs_create(NULL, NULL, 0, nd);
-],[
- AC_DEFINE(HAVE_VFS_CREATE_USE_NAMEIDATA, 1,
- [vfs_create use nameidata as parameter])
-])
-]) # LC_VFS_CREATE_USE_NAMEIDATA
-
-#
-# LC_HAVE_MIGRATE_HEADER
-#
-# 3.3 introduces migrate_mode.h and migratepage has 4 args
-#
-AC_DEFUN([LC_HAVE_MIGRATE_HEADER], [
-LB_CHECK_FILE([$LINUX/include/linux/migrate.h], [
- AC_DEFINE(HAVE_MIGRATE_H, 1,
- [kernel has include/linux/migrate.h])
-],[
- LB_CHECK_FILE([$LINUX/include/linux/migrate_mode.h], [
- AC_DEFINE(HAVE_MIGRATE_MODE_H, 1,
- [kernel has include/linux/migrate_mode.h])
- ])
-])
-]) # LC_HAVE_MIGRATE_HEADER
-
-#
-# LC_MIGRATEPAGE_4ARGS
-#
-AC_DEFUN([LC_MIGRATEPAGE_4ARGS], [
-LB_CHECK_COMPILE([if 'address_space_operations.migratepage' has 4 args],
-address_space_ops_migratepage_4args, [
- #include <linux/fs.h>
-#ifdef HAVE_MIGRATE_H
- #include <linux/migrate.h>
-#elif defined(HAVE_MIGRATE_MODE_H)
- #include <linux/migrate_mode.h>
-#endif
-],[
- struct address_space_operations aops = { };
- aops.migratepage(NULL, NULL, NULL, MIGRATE_ASYNC);
-],[
- AC_DEFINE(HAVE_MIGRATEPAGE_4ARGS, 1,
- [address_space_operations.migratepage has 4 args])
-])
-]) # LC_MIGRATEPAGE_4ARGS
-
-#
-# LC_SUPEROPS_USE_DENTRY
-#
-# 3.3 switchs super_operations to use dentry as parameter (but not vfsmount)
-# see kernel commit 34c80b1d93e6e20ca9dea0baf583a5b5510d92d4
-#
-AC_DEFUN([LC_SUPEROPS_USE_DENTRY], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'super_operations' use 'dentry' as parameter],
-super_ops_dentry, [
- #include <linux/fs.h>
- int show_options(struct seq_file *seq, struct dentry *root) {
- return 0;
- }
-],[
- struct super_operations ops;
- ops.show_options = show_options;
-],[
- AC_DEFINE(HAVE_SUPEROPS_USE_DENTRY, 1,
- [super_operations use dentry as parameter])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_SUPEROPS_USE_DENTRY
-
-#
-# LC_INODEOPS_USE_UMODE_T
-#
-# 3.3 switchs inode_operations to use umode_t as parameter (but not int)
-# see kernel commit 1a67aafb5f72a436ca044293309fa7e6351d6a35
-#
-AC_DEFUN([LC_INODEOPS_USE_UMODE_T], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'inode_operations' use 'umode_t' as parameter],
-inode_ops_umode_t, [
- #include <linux/fs.h>
- #include <linux/types.h>
- int my_mknod(struct inode *dir, struct dentry *dchild,
- umode_t mode, dev_t dev)
- {
- return 0;
- }
-],[
- struct inode_operations ops;
- ops.mknod = my_mknod;
-],[
- AC_DEFINE(HAVE_INODEOPS_USE_UMODE_T, 1,
- [inode_operations use umode_t as parameter])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_INODEOPS_USE_UMODE_T
-
-#
-# LC_KMAP_ATOMIC_HAS_1ARG
-#
-# 3.4 kmap_atomic removes second argument
-# see kernel commit 1ec9c5ddc17aa398f05646abfcbaf315b544e62f
-#
-AC_DEFUN([LC_KMAP_ATOMIC_HAS_1ARG], [
-LB_CHECK_COMPILE([if 'kmap_atomic' has only 1 argument],
-kmap_atomic_1arg, [
- #include <linux/highmem.h>
-],[
- kmap_atomic(NULL);
-],[
- AC_DEFINE(HAVE_KMAP_ATOMIC_HAS_1ARG, 1,
- [have kmap_atomic has only 1 argument])
-])
-]) # LC_KMAP_ATOMIC_HAS_1ARG
-
-#
-# LC_HAVE_D_MAKE_ROOT
-#
-# 3.4 converts d_alloc_root to d_make_root
-# see kernel commit 32991ab305ace7017c62f8eecbe5eb36dc32e13b
-#
-AC_DEFUN([LC_HAVE_D_MAKE_ROOT], [
-LB_CHECK_COMPILE([if have 'd_make_root'],
-d_make_root, [
- #include <linux/fs.h>
-],[
- d_make_root((struct inode *)NULL);
-],[
- AC_DEFINE(HAVE_D_MAKE_ROOT, 1,
- [have d_make_root])
-])
-]) # LC_HAVE_D_MAKE_ROOT
-
-#
-# LC_HAVE_CACHE_REGISTER
-#
-# 3.4 cache_register/cache_unregister are removed
-# see kernel commit 2c5f846747526e2b83c5f1b8e69016be0e2e87c0
-# Note, since 2.6.37 cache_register_net/cache_unregister_net
-# are defined, but not exported.
-# 3.3 cache_register_net/cache_unregister_net are
-# exported and replacing cache_register/cache_unregister in 3.4
-#
-AC_DEFUN([LC_HAVE_CACHE_REGISTER], [
-LB_CHECK_COMPILE([if have 'cache_register'],
-cache_register, [
- #include <linux/sunrpc/cache.h>
-],[
- cache_register(NULL);
-],[
- AC_DEFINE(HAVE_CACHE_REGISTER, 1,
- [have cache_register])
-])
-]) # LC_HAVE_CACHE_REGISTER
-
-#
-# LC_HAVE_CLEAR_INODE
-#
-# 3.5 renames end_writeback() back to clear_inode()...
-# see kernel commit dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430
-#
-AC_DEFUN([LC_HAVE_CLEAR_INODE], [
-LB_CHECK_COMPILE([if have 'clear_inode'],
-clear_inode, [
- #include <linux/fs.h>
-],[
- clear_inode((struct inode *)NULL);
-],[
- AC_DEFINE(HAVE_CLEAR_INODE, 1,
- [have clear_inode])
-])
-]) # LC_HAVE_CLEAR_INODE
-
-#
-# LC_HAVE_ENCODE_FH_PARENT
-#
-# 3.5 encode_fh has parent inode passed in directly
-# see kernel commit b0b0382b
-#
-AC_DEFUN([LC_HAVE_ENCODE_FH_PARENT], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'encode_fh' have parent inode as parameter],
-encode_fh_parent_inode, [
- #include <linux/exportfs.h>
- #include <linux/fs.h>
- #include <linux/types.h>
- int ll_encode_fh(struct inode *i, __u32 *a, int *b, struct inode *p)
- {
- return 0;
- }
-],[
- struct export_operations exp_op;
- exp_op.encode_fh = ll_encode_fh;
-],[
- AC_DEFINE(HAVE_ENCODE_FH_PARENT, 1,
- [have parent inode as parameter])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_HAVE_ENCODE_FH_PARENT
-
-#
-# LC_FILE_LLSEEK_SIZE_5ARG
-#
-# 3.5 has generic_file_llseek_size with 5 args
-#
-AC_DEFUN([LC_FILE_LLSEEK_SIZE_5ARG], [
-LB_CHECK_COMPILE([if Linux kernel has 'generic_file_llseek_size' with 5 args],
-generic_file_llseek_size_5args, [
- #include <linux/fs.h>
-],[
- generic_file_llseek_size(NULL, 0, 0, 0, 0);
-], [
- AC_DEFINE(HAVE_FILE_LLSEEK_SIZE_5ARGS, 1,
- [kernel has generic_file_llseek_size with 5 args])
-])
-]) # LC_FILE_LLSEEK_SIZE_5ARG
-
-#
-# LC_LLITE_DATA_IS_LIST
-#
-# 3.6 switch i_dentry/d_alias from list to hlist
-#
-# In the upstream kernels d_alias first changes
-# to a hlist and then in later version, 3.11, gets
-# moved to the union d_u. Due to some distros having
-# d_alias in the d_u union as a struct list, which
-# has never existed upstream stream, we can't test
-# if d_alias is a list or hlist directly. If ever
-# i_dentry and d_alias even up different combos then
-# the build will fail. In that case then we will need
-# to separate out the i_dentry and d_alias test below.
-#
-AC_DEFUN([LC_DATA_FOR_LLITE_IS_LIST], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'i_dentry/d_alias' uses 'list'],
-i_dentry_d_alias_list, [
- #include <linux/fs.h>
-],[
- struct inode inode;
- INIT_LIST_HEAD(&inode.i_dentry);
-],[
- AC_DEFINE(DATA_FOR_LLITE_IS_LIST, 1,
- [both i_dentry/d_alias uses list])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_DATA_FOR_LLITE_IS_LIST
-
-#
-# LC_DENTRY_OPEN_USE_PATH
-#
-# 3.6 dentry_open uses struct path as first argument
-# see kernel commit 765927b2
-#
-AC_DEFUN([LC_DENTRY_OPEN_USE_PATH], [
-tmp_flags="$EXTRA_KCFLAGS"
-EXTRA_KCFLAGS="-Werror"
-LB_CHECK_COMPILE([if 'dentry_open' uses 'struct path' as first argument],
-dentry_open_path, [
- #include <linux/fs.h>
- #include <linux/path.h>
-],[
- struct path path;
- dentry_open(&path, 0, NULL);
-],[
- AC_DEFINE(HAVE_DENTRY_OPEN_USE_PATH, 1,
- [dentry_open uses struct path as first argument])
-])
-EXTRA_KCFLAGS="$tmp_flags"
-]) # LC_DENTRY_OPEN_USE_PATH
-
-#
-# LC_HAVE_IOP_ATOMIC_OPEN
-#
-# 3.6 vfs adds iop->atomic_open
-#
-AC_DEFUN([LC_HAVE_IOP_ATOMIC_OPEN], [
-LB_CHECK_COMPILE([if 'iop' has 'atomic_open'],
-inode_ops_atomic_open, [
- #include <linux/fs.h>
-],[
- struct inode_operations iop;
- iop.atomic_open = NULL;
-],[
- AC_DEFINE(HAVE_IOP_ATOMIC_OPEN, 1,
- [have iop atomic_open])
-])
-]) # LC_HAVE_IOP_ATOMIC_OPEN
-
-#
-# LC_HAVE_SB_START_WRITE
-#
-# RHEL6 2.6.32, 3.6 or newer support wrapped FS freeze functions
-#
-AC_DEFUN([LC_HAVE_SB_START_WRITE], [
-LB_CHECK_COMPILE([if kernel supports wrapped FS freeze functions],
-sb_start_write, [
- #include <linux/fs.h>
-],[
- sb_start_write(NULL);
-],[
- AC_DEFINE(HAVE_SB_START_WRITE, 1,
- [kernel supports wrapped FS freeze functions])
-])
-]) # LC_HAVE_SB_START_WRITE
-
-#
-# LC_HAVE_POSIXACL_USER_NS
-#
-# 3.7 posix_acl_{to,from}_xattr take struct user_namespace
-#
-AC_DEFUN([LC_HAVE_POSIXACL_USER_NS], [
-LB_CHECK_COMPILE([if 'posix_acl_to_xattr' takes 'struct user_namespace'],
-posix_acl_to_xattr_user_namespace, [
- #include <linux/fs.h>
- #include <linux/posix_acl_xattr.h>
-],[
- posix_acl_to_xattr((struct user_namespace *)NULL, NULL, NULL, 0);
-],[
- AC_DEFINE(HAVE_POSIXACL_USER_NS, 1,
- [posix_acl_to_xattr takes struct user_namespace])
-])
-]) # LC_HAVE_POSIXACL_USER_NS
-
-#
-# LC_HAVE_FILE_F_INODE
-#
-# 3.8 struct file has new member f_inode
-#
-AC_DEFUN([LC_HAVE_FILE_F_INODE], [
-LB_CHECK_COMPILE([if 'struct file' has member 'f_inode'],
-file_f_inode, [
- #include <linux/fs.h>
-],[
- ((struct file *)0)->f_inode = NULL;
-],[
- AC_DEFINE(HAVE_FILE_F_INODE, 1,
- [struct file has member f_inode])
-])
-]) # LC_HAVE_FILE_F_INODE
-
-#
-# LC_HAVE_FILE_INODE
-#
-# 3.8 has introduced inline function file_inode
-#
-AC_DEFUN([LC_HAVE_FILE_INODE], [
-LB_CHECK_COMPILE([if file_inode() exists],
-file_inode, [
- #include <linux/fs.h>
-],[
- file_inode(NULL);
-],[
- AC_DEFINE(HAVE_FILE_INODE, 1,
- [file_inode() has been defined])
-])
-]) # LC_HAVE_FILE_INODE
-
-#
-# LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
-#
-AC_DEFUN([LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS], [
-LB_CHECK_COMPILE([if 'sunrpc_cache_pipe_upcall' takes 3 args],
-sunrpc_cache_pipe_upcall_3args, [
- #include <linux/sunrpc/cache.h>
-],[
- sunrpc_cache_pipe_upcall(NULL, NULL, NULL);
-],[
- AC_DEFINE(HAVE_SUNRPC_UPCALL_HAS_3ARGS, 1,
- [sunrpc_cache_pipe_upcall takes 3 args])
-])
-]) # LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
-
-#
-# LC_HAVE_HLIST_FOR_EACH_3ARG
-#
-# 3.9 uses hlist_for_each_entry with 3 args
-# b67bfe0d42cac56c512dd5da4b1b347a23f4b70a
-#
-AC_DEFUN([LC_HAVE_HLIST_FOR_EACH_3ARG], [
-LB_CHECK_COMPILE([if 'hlist_for_each_entry' has 3 args],
-hlist_for_each_entry_3args, [
- #include <linux/list.h>
- #include <linux/fs.h>
-],[
- struct hlist_head *head = NULL;
- struct inode *inode;
-
- hlist_for_each_entry(inode, head, i_hash) {
- continue;
- }
-],[
- AC_DEFINE(HAVE_HLIST_FOR_EACH_3ARG, 1,
- [hlist_for_each_entry has 3 args])
-])
-]) # LC_HAVE_HLIST_FOR_EACH_3ARG
-
-#
-# LC_HAVE_BIO_END_SECTOR
-#
-# 3.9 introduces bio_end_sector macro
-# f73a1c7d117d07a96d89475066188a2b79e53c48
-#
-AC_DEFUN([LC_HAVE_BIO_END_SECTOR], [
-LB_CHECK_COMPILE([if 'bio_end_sector' is defined],
-bio_end_sector, [
- #include <linux/bio.h>
-],[
- struct bio bio = { };
- unsigned long long end;
-
- end = bio_end_sector(&bio);
-],[
- AC_DEFINE(HAVE_BIO_END_SECTOR, 1,
- [bio_end_sector is defined])
-])
-]) # LC_HAVE_BIO_END_SECTOR
-
-#
-# 3.9 created is_sxid
-#
-AC_DEFUN([LC_HAVE_IS_SXID], [
-LB_CHECK_COMPILE([if 'is_sxid' is defined],
-is_sxid, [
- #include <linux/fs.h>
-],[
- struct inode inode = { };
-
- is_sxid(inode.i_mode);
-],[
- AC_DEFINE(HAVE_IS_SXID, 1, [is_sxid is defined])
-])
-]) # LC_HAVE_IS_SXID
-
-#
-# LC_HAVE_VFS_GETATTR_2ARGS
-#
-AC_DEFUN([LC_HAVE_VFS_GETATTR_2ARGS], [
-LB_CHECK_COMPILE([if vfs_getattr takes 2 args],
-vfs_getattr, [
- #include <linux/fs.h>
-],[
- struct path path;
-
- vfs_getattr(&path, NULL);
-],[
- AC_DEFINE(HAVE_VFS_GETATTR_2ARGS, 1,
- [vfs_getattr takes 2 args])
-])
-]) # LC_HAVE_VFS_GETATTR_2ARGS
-
-#
-# LC_HAVE_REMOVE_PROC_SUBTREE
-#
-# 3.10 introduced remove_proc_subtree
-#
-AC_DEFUN([LC_HAVE_REMOVE_PROC_SUBTREE], [
-LB_CHECK_COMPILE([if 'remove_proc_subtree' is defined],
-remove_proc_subtree, [
- #include <linux/proc_fs.h>
-],[
- remove_proc_subtree(NULL, NULL);
-], [
- AC_DEFINE(HAVE_REMOVE_PROC_SUBTREE, 1,
- [remove_proc_subtree is defined])
-])
-]) # LC_HAVE_REMOVE_PROC_SUBTREE
-
-#
-# LC_HAVE_PROC_REMOVE
-#
-# 3.10 introduced proc_remove
-#
-AC_DEFUN([LC_HAVE_PROC_REMOVE], [
-LB_CHECK_COMPILE([if 'proc_remove' is defined],
-proc_remove, [
- #include <linux/proc_fs.h>
-],[
- proc_remove(NULL);
-], [
- AC_DEFINE(HAVE_PROC_REMOVE, 1,
- [proc_remove is defined])
-])
-]) # LC_HAVE_PROC_REMOVE
-
-AC_DEFUN([LC_HAVE_PROJECT_QUOTA], [
-LB_CHECK_COMPILE([if get_projid exists],
-get_projid, [
- struct inode;
- #include <linux/quota.h>
-],[
- struct dquot_operations ops = { };
-
- ops.get_projid(NULL, NULL);
+ ops.get_projid(NULL, NULL);
],[
AC_DEFINE(HAVE_PROJECT_QUOTA, 1,
- [get_projid function exists])
-])
-]) # LC_HAVE_PROJECT_QUOTA
-
-
-#
-# LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
-#
-# 3.10 introduced security_dentry_init_security()
-#
-AC_DEFUN([LC_HAVE_SECURITY_DENTRY_INIT_SECURITY], [
-LB_CHECK_COMPILE([if 'security_dentry_init_security' is defined],
-security_dentry_init_security, [
- #include <linux/security.h>
-],[
- security_dentry_init_security(NULL, 0, NULL, NULL, NULL);
-],[
- AC_DEFINE(HAVE_SECURITY_DENTRY_INIT_SECURITY, 1,
- [security_dentry_init_security' is defined])
+ [get_projid function exists])
])
-]) # LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
+]) # LC_HAVE_PROJECT_QUOTA
-#
-# 3.10 exports security_inode_listsecurity
-#
-AC_DEFUN([LC_HAVE_SECURITY_INODE_LISTSECURITY], [
-LB_CHECK_COMPILE([if security_inode_listsecurity() is available/exported],
-security_inode_listsecurity, [
- #include <linux/security.h>
+AC_DEFUN([LC_HAVE_GET_INODE_USAGE], [
+LB_CHECK_COMPILE([if get_inode_usage exists],
+get_inode_usage, [
+ struct inode;
+ #include <linux/quota.h>
],[
- security_inode_listsecurity(NULL, NULL, 0);
+ struct dquot_operations ops = { };
+
+ ops.get_inode_usage(NULL, NULL);
],[
- AC_DEFINE(HAVE_SECURITY_INODE_LISTSECURITY, 1,
- [security_inode_listsecurity() is available/exported])
+ AC_DEFINE(HAVE_GET_INODE_USAGE, 1,
+ [get_inode_usage function exists])
])
-]) # LC_HAVE_SECURITY_INODE_LISTSECURITY
+]) # LC_HAVE_GET_INODE_USAGE
#
# LC_INVALIDATE_RANGE
]) # LC_KIOCB_KI_LEFT
#
-# LC_INIT_LIST_HEAD_RCU
+# LC_REGISTER_SHRINKER_RET
#
-# 3.12 added INIT_LIST_HEAD_RCU in commit 2a855b644c310d5db5
-# which is unfortunately an inline function and not a macro
-# that can be tested directly, so it needs a configure check.
+# v3.11-8748-g1d3d4437eae1 register_shrinker returns a status
#
-AC_DEFUN([LC_INIT_LIST_HEAD_RCU], [
-LB_CHECK_COMPILE([if 'INIT_LIST_HEAD_RCU' exists],
-init_list_head_rcu, [
- #include <linux/list.h>
- #include <linux/rculist.h>
+AC_DEFUN([LC_REGISTER_SHRINKER_RET], [
+LB_CHECK_COMPILE([if register_shrinker() returns status],
+register_shrinker_ret, [
+ #include <linux/mm.h>
],[
- struct list_head list;
- INIT_LIST_HEAD_RCU(&list);
+ if (register_shrinker(NULL))
+ unregister_shrinker(NULL);
],[
- AC_DEFINE(HAVE_INIT_LIST_HEAD_RCU, 1,
- [INIT_LIST_HEAD_RCU exists])
+ AC_DEFINE(HAVE_REGISTER_SHRINKER_RET, 1,
+ [register_shrinker() returns status])
])
-]) # LC_INIT_LIST_HEAD_RCU
+]) # LC_REGISTER_SHRINKER_RET
#
# LC_VFS_RENAME_5ARGS
]) # LC_HAVE_DQUOT_QC_DQBLK
#
+# LC_HAVE_AIO_COMPLETE
+#
+# 3.19 kernel makes aio_complete() static
+#
+AC_DEFUN([LC_HAVE_AIO_COMPLETE], [
+LB_CHECK_COMPILE([if kernel has exported aio_complete() ],
+aio_complete, [
+ #include <linux/aio.h>
+],[
+ aio_complete(NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_AIO_COMPLETE, 1, [aio_complete defined])
+])
+]) # LC_HAVE_AIO_COMPLETE
+
+#
+# LC_HAVE_IS_ROOT_INODE
+#
+# 3.19 kernel adds is_root_inode()
+# Commit a7400222e3eb ("new helper: is_root_inode()")
+#
+AC_DEFUN([LC_HAVE_IS_ROOT_INODE], [
+LB_CHECK_COMPILE([if kernel has is_root_inode() ],
+is_root_inode, [
+ #include <linux/fs.h>
+],[
+ is_root_inode(NULL);
+],[
+ AC_DEFINE(HAVE_IS_ROOT_INODE, 1, [is_root_inode defined])
+])
+]) # LC_HAVE_IS_ROOT_INODE
+
+#
# LC_BACKING_DEV_INFO_REMOVAL
#
# 3.20 kernel removed backing_dev_info from address_space
]) # LC_HAVE_BDI_CAP_MAP_COPY
#
-# LC_CANCEL_DIRTY_PAGE
-#
-# 4.0.0 kernel removed cancel_dirty_page
-#
-AC_DEFUN([LC_CANCEL_DIRTY_PAGE], [
-LB_CHECK_COMPILE([if cancel_dirty_page still exist],
-cancel_dirty_page, [
- #include <linux/mm.h>
-],[
- cancel_dirty_page(NULL, PAGE_SIZE);
-],[
- AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
- [cancel_dirty_page is still available])
-])
-]) # LC_CANCEL_DIRTY_PAGE
-
-#
# LC_IOV_ITER_RW
#
# 4.1 kernel has iov_iter_rw
]) # LC_HAVE___BI_CNT
#
-# LC_NEW_CANCEL_DIRTY_PAGE
-#
-# 4.2 kernel has new cancel_dirty_page
-#
-AC_DEFUN([LC_NEW_CANCEL_DIRTY_PAGE], [
-LB_CHECK_COMPILE([if cancel_dirty_page with one argument exist],
-new_cancel_dirty_page, [
- #include <linux/mm.h>
-],[
- cancel_dirty_page(NULL);
-],[
- AC_DEFINE(HAVE_NEW_CANCEL_DIRTY_PAGE, 1,
- [cancel_dirty_page with one arguement is available])
-])
-]) # LC_NEW_CANCEL_DIRTY_PAGE
-
-#
# LC_SYMLINK_OPS_USE_NAMEIDATA
#
# For the 4.2+ kernels the file system internal symlink api no
]) # LC_BIO_ENDIO_USES_ONE_ARG
#
+# LC_ACCOUNT_PAGE_DIRTIED_3ARGS
+#
+# 4.2 [to 4.5] kernel page dirtied takes 3 arguments
+#
+AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED_3ARGS], [
+LB_CHECK_COMPILE([if 'account_page_dirtied' with 3 args exists],
+account_page_dirtied, [
+ #include <linux/mm.h>
+],[
+ account_page_dirtied(NULL, NULL, NULL);
+],[
+ AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_3ARGS, 1,
+ [account_page_dirtied takes three arguments])
+])
+]) # LC_ACCOUNT_PAGE_DIRTIED_3ARGS
+
+#
+# LC_HAVE_CRYPTO_ALLOC_SKCIPHER
+#
+# Kernel version 4.12 commit 7a7ffe65c8c5
+# introduced crypto_alloc_skcipher().
+#
+AC_DEFUN([LC_HAVE_CRYPTO_ALLOC_SKCIPHER], [
+LB_CHECK_COMPILE([if crypto_alloc_skcipher is defined],
+crypto_alloc_skcipher, [
+ #include <crypto/skcipher.h>
+],[
+ crypto_alloc_skcipher(NULL, 0, 0);
+],[
+ AC_DEFINE(HAVE_CRYPTO_ALLOC_SKCIPHER, 1,
+ [crypto_alloc_skcipher is defined])
+])
+]) # LC_HAVE_CRYPTO_ALLOC_SKCIPHER
+
+#
# LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
#
# 4.3 replace interval with interval_exp in 'struct blk_integrity'
]) # LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
#
-# LC_HAVE_LOOP_CTL_GET_FREE
-#
-# 4.x kernel have moved userspace APIs to
-# the separate directory and all of them
-# support LOOP_CTL_GET_FREE
-#
-AC_DEFUN([LC_HAVE_LOOP_CTL_GET_FREE], [
-LB_CHECK_FILE([$LINUX/include/linux/loop.h], [
- LB_CHECK_COMPILE([if have 'HAVE_LOOP_CTL_GET_FREE'],
- LOOP_CTL_GET_FREE, [
- #include <linux/loop.h>
- ],[
- int i;
-
- i = LOOP_CTL_GET_FREE;
- ],[
- AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
- [LOOP_CTL_GET_FREE exist])
- ])
-],[
- AC_DEFINE(HAVE_LOOP_CTL_GET_FREE, 1,
- [kernel has LOOP_CTL_GET_FREE])
-])
-]) # LC_HAVE_LOOP_CTL_GET_FREE
-
-#
# LC_HAVE_CACHE_HEAD_HLIST
#
# 4.3 kernel swiched to hlist for cache_head
])
]) # LC_BIO_INTEGRITY_PREP_FN
+# LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
+#
+# 13 kernel integrity API has changed and in 4.13+
+# (as well as in rhel 8.4) bio_integrity_prep() returns boolean true
+# on success.
+#
+AC_DEFUN([LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL], [
+LB_CHECK_COMPILE([if 'bio_integrity_prep_fn' returns bool],
+bio_integrity_prep, [
+ #include <linux/bio.h>
+ #include <linux/typecheck.h>
+],[
+ #pragma GCC diagnostic warning "-Werror"
+ typedef bool (*bio_integrity_prep_type)(struct bio *bio) ;
+
+ typecheck_fn(bio_integrity_prep_type, bio_integrity_prep);
+],[
+ AC_DEFINE(HAVE_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL, 1,
+ [bio_integrity_prep_fn returns bool])
+])
+]) # LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
+
#
# LC_HAVE_BI_OPF
#
have_clean_bdev_aliases, [
#include <linux/buffer_head.h>
],[
- struct block_device bdev;
- clean_bdev_aliases(&bdev,1,1);
+ clean_bdev_aliases(NULL,1,1);
], [
AC_DEFINE(HAVE_CLEAN_BDEV_ALIASES, 1,
[kernel has clean_bdev_aliases])
]) # LC_D_IN_LOOKUP
#
+# LC_LOCK_PAGE_MEMCG
+#
+# Kernel version 4.6 adds lock_page_memcg
+#
+AC_DEFUN([LC_LOCK_PAGE_MEMCG], [
+LB_CHECK_COMPILE([if 'lock_page_memcg' is defined],
+lock_page_memcg, [
+ #include <linux/memcontrol.h>
+],[
+ lock_page_memcg(NULL);
+],[
+ AC_DEFINE(HAVE_LOCK_PAGE_MEMCG, 1,
+ [lock_page_memcg is defined])
+])
+]) # LC_LOCK_PAGE_MEMCG
+
+#
+# LC_D_INIT
+#
+# Kernel version 4.7-rc5 commit 285b102d3b745f3c2c110c9c327741d87e64aacc
+# add new d_init to initialize dentry at allocation time
+#
+AC_DEFUN([LC_D_INIT], [
+LB_CHECK_COMPILE([if dentry operations supports 'd_init'],
+d_init, [
+ #include <linux/dcache.h>
+],[
+ struct dentry_operations ops = { };
+ int rc;
+
+ rc = ops.d_init(NULL);
+],[
+ AC_DEFINE(HAVE_D_INIT, 1, ['d_init' exists])
+])
+]) # LC_D_INIT
+
+#
# LC_DIRECTIO_2ARGS
#
# Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
#
# LC_GENERIC_WRITE_SYNC_2ARGS
#
-# Kernel version 4.7 commit c8b8e32d700fe943a935e435ae251364d016c497
-# direct-io: eliminate the offset argument to ->direct_IO
+# Kernel version 4.7 commit dde0c2e79848298cc25621ad080d47f94dbd7cce
+# fs: add IOCB_SYNC and IOCB_DSYNC
#
AC_DEFUN([LC_GENERIC_WRITE_SYNC_2ARGS], [
LB_CHECK_COMPILE([if 'generic_write_sync()' taken 2 arguments],
#
# LC_FOP_ITERATE_SHARED
#
-# Kernel version 4.7 adds iterate_shared method to file_operations
+# Kernel v4.6-rc3-29-g6192269 adds iterate_shared method to file_operations
#
AC_DEFUN([LC_FOP_ITERATE_SHARED], [
LB_CHECK_COMPILE([if 'file_operations' has 'iterate_shared'],
]) # LC_FOP_ITERATE_SHARED
#
-# LC_FOPS_ITERATE_SHARED
+# LC_EXPORT_DEFAULT_FILE_SPLICE_READ
#
-# 4.7 commit ae05327a00fd47c34dfe25294b359a3f3fef96e8
-# ext4: switch to ->iterate_shared()
-# this replaces ext4_dir_operations iterate with iterate_shared.
-# dir_relaxed_shared() was also added in this commit, so we can
-# use that function to verify that the ext4_dir_operations is using
-# iterate_shared.
+# 4.8-rc8 commit 82c156f853840645604acd7c2cebcb75ed1b6652 switched
+# generic_file_splice_read() to using ->read_iter. We can test this
+# change since default_file_splice_read() is no longer exported.
#
-AC_DEFUN([LC_FOPS_ITERATE_SHARED], [
-LB_CHECK_COMPILE([if ext4_dir_operations uses iterate_shared],
-iterate_shared, [
- #include <linux/fs.h>
-],[
- ((struct file_operations *)0)->iterate_shared(NULL, NULL);
- dir_relax_shared(NULL);
-],[
- AC_DEFINE(HAVE_ITERATE_SHARED, 1,
- ['iterate_shared' is available])
-])
-]) # LC_FOPS_ITERATE_SHARED
+AC_DEFUN([LC_EXPORT_DEFAULT_FILE_SPLICE_READ], [
+LB_CHECK_EXPORT([default_file_splice_read], [fs/splice.c],
+ [AC_DEFINE(HAVE_DEFAULT_FILE_SPLICE_READ_EXPORT, 1,
+ [default_file_splice_read is exported])])
+]) # LC_EXPORT_DEFAULT_FILE_SPLCE_READ
#
# LC_HAVE_POSIX_ACL_VALID_USER_NS
]) # LC_BI_BDEV
#
+# LC_INTERVAL_TREE_CACHED
+#
+# 4.14 f808c13fd3738948e10196496959871130612b61
+# switched INTERVAL_TREE_DEFINE to use cached RB_Trees.
+#
+AC_DEFUN([LC_INTERVAL_TREE_CACHED], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if interval_trees use rb_tree_cached],
+itree_cached, [
+ #include <linux/interval_tree_generic.h>
+ struct foo { struct rb_node rb; int last; int a,b;};
+ #define START(n) ((n)->a)
+ #define LAST(n) ((n)->b)
+ struct rb_root_cached tree;
+ INTERVAL_TREE_DEFINE(struct foo, rb, int, last,
+ START, LAST, , foo);
+],[
+ foo_insert(NULL, &tree);
+],[
+ AC_DEFINE(HAVE_INTERVAL_TREE_CACHED, 1,
+ [interval trees use rb_tree_cached])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_INTERVAL_TREE_CACHED
+
+#
+# LC_IS_ENCRYPTED
+#
+# 4.14 introduced IS_ENCRYPTED and S_ENCRYPTED
+#
+AC_DEFUN([LC_IS_ENCRYPTED], [
+LB_CHECK_COMPILE([if IS_ENCRYPTED is defined],
+is_encrypted, [
+ #include <linux/fs.h>
+],[
+ IS_ENCRYPTED((struct inode *)0);
+],[
+ has_is_encrypted="yes"
+])
+]) # LC_IS_ENCRYPTED
+
+#
# LC_I_PAGES
#
# kernel 4.17 commit b93b016313b3ba8003c3b8bb71f569af91f19fc7
]) # LC_I_PAGES
#
+# LC_VM_FAULT_T
+#
+# kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
+# mm: create the new vm_fault_t type
+#
+AC_DEFUN([LC_VM_FAULT_T], [
+LB_CHECK_COMPILE([if vm_fault_t type exists],
+vm_fault_t, [
+ #include <linux/mm_types.h>
+],[
+ vm_fault_t x = VM_FAULT_SIGBUS;
+ (void)x
+],[
+ AC_DEFINE(HAVE_VM_FAULT_T, 1,
+ [if vm_fault_t type exists])
+])
+]) # LC_VM_FAULT_T
+
+#
+# LC_VM_FAULT_RETRY
+#
+# kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
+# mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
+#
+AC_DEFUN([LC_VM_FAULT_RETRY], [
+LB_CHECK_COMPILE([if VM_FAULT_RETRY is defined],
+VM_FAULT_RETRY, [
+ #include <linux/mm.h>
+],[
+ #ifndef VM_FAULT_RETRY
+ vm_fault_t x;
+ x = VM_FAULT_RETRY;
+ #endif
+],[
+ AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
+ [if VM_FAULT_RETRY is defined])
+])
+]) # LC_VM_FAULT_RETRY
+
+#
+# LC_ALLOC_FILE_PSEUDO
+#
+# kernel 4.18-rc1 commit d93aa9d82aea80b80f225dbf9c7986df444d8106
+# new wrapper: alloc_file_pseudo()
+#
+AC_DEFUN([LC_ALLOC_FILE_PSEUDO], [
+LB_CHECK_COMPILE([if 'alloc_file_pseudo' is defined],
+alloc_file_pseudo, [
+ #include <linux/file.h>
+],[
+ struct file *file;
+ file = alloc_file_pseudo(NULL, NULL, "[test]",
+ 00000002, NULL);
+],[
+ AC_DEFINE(HAVE_ALLOC_FILE_PSEUDO, 1,
+ ['alloc_file_pseudo' exist])
+])
+]) # LC_ALLOC_FILE_PSEUDO
+
+#
# LC_INODE_TIMESPEC64
#
# kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
# When inode times are timespec64 stop using the deprecated
# time interfaces.
#
+# kernel v5.5-rc1-6-gba70609d5ec6 ba70609d5ec664a8f36ba1c857fcd97a478adf79
+# fs: Delete timespec64_trunc()
+#
AC_DEFUN([LC_INODE_TIMESPEC64], [
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
inode_timespec64, [
#include <linux/fs.h>
],[
- struct inode inode = {};
- struct timespec64 ts = {};
+ struct inode *inode = NULL;
+ struct timespec64 ts = {0, 1};
- inode.i_atime = timespec64_trunc(ts, 1);
+ inode->i_atime = ts;
(void)inode;
],[
AC_DEFINE(HAVE_INODE_TIMESPEC64, 1,
]) # LC_INODE_TIMESPEC64
#
+# LC_RADIX_TREE_TAG_SET
+#
+# kernel 4.20 commit v4.19-rc5-248-g9b89a0355144
+# xarray: Add XArray marks - replaced radix_tree_tag_set
+#
+AC_DEFUN([LC_RADIX_TREE_TAG_SET], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if 'radix_tree_tag_set' exists],
+radix_tree_tag_set, [
+ #include <linux/fs.h>
+ #include <linux/radix-tree.h>
+],[
+ radix_tree_tag_set(NULL, 0, PAGECACHE_TAG_DIRTY);
+],[
+ AC_DEFINE(HAVE_RADIX_TREE_TAG_SET, 1,
+ [radix_tree_tag_set exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_RADIX_TREE_TAG_SET
+
+#
+# LC_UAPI_LINUX_MOUNT_H
+#
+# kernel 4.20 commit e262e32d6bde0f77fb0c95d977482fc872c51996
+# vfs: Suppress MS_* flag defs within the kernel ...
+#
+AC_DEFUN([LC_UAPI_LINUX_MOUNT_H], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if MS_RDONLY was moved to uapi/linux/mount.h],
+uapi_linux_mount, [
+ #include <uapi/linux/mount.h>
+],[
+ int x = MS_RDONLY;
+ (void)x;
+],[
+ AC_DEFINE(HAVE_UAPI_LINUX_MOUNT_H, 1,
+ [if MS_RDONLY was moved to uapi/linux/mount.h])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_UAPI_LINUX_MOUNT_H
+
+#
+# LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
+#
+# kernel 4.20 commit 1863d77f15da0addcd293a1719fa5d3ef8cde3ca
+# SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock
+#
+# Now that the reader functions are all RCU protected, use a regular
+# spinlock rather than a reader/writer lock.
+#
+AC_DEFUN([LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if cache_detail->hash_lock is a spinlock],
+hash_lock_isa_spinlock_t, [
+ #include <linux/sunrpc/cache.h>
+],[
+ spinlock_t *lock = &(((struct cache_detail *)0)->hash_lock);
+ spin_lock(lock);
+],[
+ AC_DEFINE(HAVE_CACHE_HASH_SPINLOCK, 1,
+ [if cache_detail->hash_lock is a spinlock])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
+
+#
+# LC_HAS_LINUX_SELINUX_ENABLED
+#
+# kernel 5.1 commit 3d252529480c68bfd6a6774652df7c8968b28e41
+# SELinux: Remove unused selinux_is_enabled
+#
+AC_DEFUN([LC_HAS_LINUX_SELINUX_ENABLED], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if linux/selinux.h exists],
+selinux_is_enabled, [
+ #include <linux/selinux.h>
+],[
+ bool has_selinux = selinux_is_enabled();
+ (void)has_selinux;
+],[
+ AC_DEFINE(HAVE_LINUX_SELINUX_IS_ENABLED, 1,
+ [if linux/selinux.h exists])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_HAS_LINUX_SELINUX_ENABLED
+
+#
+# LB_HAVE_BVEC_ITER_ALL
+#
+# kernel 5.1 commit 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
+# block: allow bio_for_each_segment_all() to iterate over multi-page bvec
+#
+AC_DEFUN([LB_HAVE_BVEC_ITER_ALL], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if bvec_iter_all exists for multi-page bvec iternation],
+ext4fs_dirhash, [
+ #include <linux/bvec.h>
+],[
+ struct bvec_iter_all iter;
+ (void)iter;
+],[
+ AC_DEFINE(HAVE_BVEC_ITER_ALL, 1,
+ [if bvec_iter_all exists for multi-page bvec iternation])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LB_HAVE_BVEC_ITER_ALL
+
+#
+# LC_ACCOUNT_PAGE_DIRTIED
+#
+# After 5.2 kernel page dirtied is not exported
+#
+AC_DEFUN([LC_ACCOUNT_PAGE_DIRTIED], [
+LB_CHECK_EXPORT([account_page_dirtied], [mm/page-writeback.c],
+ [AC_DEFINE(HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT, 1,
+ [account_page_dirtied is exported])])
+]) # LC_ACCOUNT_PAGE_DIRTIED
+
+#
+# LC_KEYRING_SEARCH_4ARGS
+#
+# Kernel 5.2 commit dcf49dbc8077
+# keys: Add a 'recurse' flag for keyring searches
+#
+AC_DEFUN([LC_KEYRING_SEARCH_4ARGS], [
+LB_CHECK_COMPILE([if 'keyring_search' has 4 args],
+keyring_search_4args, [
+ #include <linux/key.h>
+],[
+ key_ref_t keyring;
+ keyring_search(keyring, NULL, NULL, false);
+],[
+ AC_DEFINE(HAVE_KEYRING_SEARCH_4ARGS, 1,
+ [keyring_search has 4 args])
+])
+]) # LC_KEYRING_SEARCH_4ARGS
+
+#
+# LC_BIO_BI_PHYS_SEGMENTS
+#
+# kernel 5.3-rc1 commit 14ccb66b3f585b2bc21e7256c96090abed5a512c
+# block: remove the bi_phys_segments field in struct bio
+#
+AC_DEFUN([LC_BIO_BI_PHYS_SEGMENTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if struct bio has bi_phys_segments member],
+bye_bio_bi_phys_segments, [
+ #include <linux/bio.h>
+],[
+ struct bio *bio = NULL;
+ bio->bi_phys_segments++;
+],[
+ AC_DEFINE(HAVE_BIO_BI_PHYS_SEGMENTS, 1,
+ [struct bio has bi_phys_segments member])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_BIO_BI_PHYS_SEGMENTS
+
+#
+# LC_LM_COMPARE_OWNER_EXISTS
+#
+# kernel 5.3-rc3 commit f85d93385e9fe6886a751f647f6812a89bf6bee3
+# locks: Cleanup lm_compare_owner and lm_owner_key
+# removed lm_compare_owner
+#
+AC_DEFUN([LC_LM_COMPARE_OWNER_EXISTS], [
+tmp_flags="$EXTRA_KCFLAGS"
+EXTRA_KCFLAGS="-Werror"
+LB_CHECK_COMPILE([if lock_manager_operations has lm_compare_owner],
+lock_manager_ops_lm_compare_owner, [
+ #include <linux/fs.h>
+],[
+ struct lock_manager_operations lm_ops;
+ lm_ops.lm_compare_owner = NULL;
+],[
+ AC_DEFINE(HAVE_LM_COMPARE_OWNER, 1,
+ [lock_manager_operations has lm_compare_owner])
+])
+EXTRA_KCFLAGS="$tmp_flags"
+]) # LC_LM_COMPARE_OWNER_EXISTS
+
+AC_DEFUN([LC_PROG_LINUX_SRC], [])
+AC_DEFUN([LC_PROG_LINUX_RESULTS], [])
+
+#
+# LC_FSCRYPT_SUPPORT
+#
+# 5.4 introduced fscrypt encryption policies v2
+#
+AC_DEFUN([LC_FSCRYPT_SUPPORT], [
+LB_CHECK_COMPILE([for fscrypt in-kernel support],
+fscrypt_support, [
+ #define __FS_HAS_ENCRYPTION 0
+ #include <linux/fscrypt.h>
+],[
+ fscrypt_ioctl_get_policy_ex(NULL, NULL);
+],[
+ has_fscrypt_support="yes"
+])
+]) # LC_FSCRYPT_SUPPORT
+
+#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
LC_CONFIG_FLOCK
LC_CONFIG_HEALTH_CHECK_WRITE
LC_CONFIG_LRU_RESIZE
-
- LC_GLIBC_SUPPORT_FHANDLES
+ LC_CONFIG_FHANDLE
LC_CONFIG_GSS
- LC_OPENSSL_SSK
- LC_OPENSSL_GETSEPOL
-
- # 2.6.32
- LC_BLK_QUEUE_MAX_SEGMENTS
-
- # 2.6.33
- LC_HAVE_XATTR_HANDLER_FLAGS
-
- # 2.6.34
- LC_HAVE_DQUOT_FS_DISK_QUOTA
- LC_HAVE_DQUOT_SUSPEND
- LC_HAVE_ADD_WAIT_QUEUE_EXCLUSIVE
-
- # 2.6.35, 3.0.0
- LC_EXPORT_SIMPLE_SETATTR
- LC_EXPORT_TRUNCATE_COMPLETE_PAGE
-
- # 2.6.36
- LC_FS_STRUCT_RWLOCK
- LC_SBOPS_EVICT_INODE
-
- # 2.6.37
- LC_KERNEL_LOCKED
- LC_FS_STRUCT_SEQCOUNT
- LC_DENTRY_PATH_RAW
-
- # 2.6.38
- LC_BLKDEV_GET_BY_DEV
- LC_GENERIC_PERMISSION
- LC_DCACHE_LOCK
- LC_INODE_I_RCU
- LC_D_COMPARE_7ARGS
- LC_D_DELETE_CONST
- LC_HAVE_BLK_PLUG
-
- # 2.6.39
- LC_HAVE_FHANDLE_SYSCALLS
- LC_HAVE_FSTYPE_MOUNT
- LC_HAVE_INODE_OWNER_OR_CAPABLE
- LC_HAVE_SECURITY_IINITSEC
- LC_VFS_CREATE_USE_NAMEIDATA
-
- # 3.0
- LC_DIRTY_INODE_WITH_FLAG
- LC_SETNS
-
- # 3.1
- LC_LM_XXX_LOCK_MANAGER_OPS
- LC_INODE_DIO_WAIT
- LC_IOP_GET_ACL
- LC_FILE_LLSEEK_SIZE
- LC_INODE_PERMISION_2ARGS
- LC_RADIX_EXCEPTION_ENTRY
- LC_HAVE_LOOP_CTL_GET_FREE
-
- # 3.2
- LC_HAVE_PROTECT_I_NLINK
-
- # 3.3
- LC_HAVE_MIGRATE_HEADER
- LC_MIGRATEPAGE_4ARGS
- LC_SUPEROPS_USE_DENTRY
- LC_INODEOPS_USE_UMODE_T
- LC_HAVE_CACHE_REGISTER
-
- # 3.4
- LC_HAVE_D_MAKE_ROOT
- LC_KMAP_ATOMIC_HAS_1ARG
-
- # 3.5
- LC_HAVE_CLEAR_INODE
- LC_HAVE_ENCODE_FH_PARENT
- LC_FILE_LLSEEK_SIZE_5ARG
-
- # 3.6
- LC_DATA_FOR_LLITE_IS_LIST
- LC_DENTRY_OPEN_USE_PATH
- LC_HAVE_IOP_ATOMIC_OPEN
- LC_HAVE_SB_START_WRITE
-
- # 3.7
- LC_HAVE_POSIXACL_USER_NS
-
- # 3.8
- LC_HAVE_FILE_F_INODE
- LC_HAVE_FILE_INODE
- LC_HAVE_SUNRPC_UPCALL_HAS_3ARGS
-
- # 3.9
- LC_HAVE_HLIST_FOR_EACH_3ARG
- LC_HAVE_BIO_END_SECTOR
- LC_HAVE_IS_SXID
- LC_HAVE_VFS_GETATTR_2ARGS
# 3.10
- LC_HAVE_REMOVE_PROC_SUBTREE
- LC_HAVE_PROC_REMOVE
LC_HAVE_PROJECT_QUOTA
- LC_HAVE_SECURITY_DENTRY_INIT_SECURITY
- LC_HAVE_SECURITY_INODE_LISTSECURITY
# 3.11
LC_INVALIDATE_RANGE
LC_OLDSIZE_TRUNCATE_PAGECACHE
LC_PTR_ERR_OR_ZERO_MISSING
LC_KIOCB_KI_LEFT
- LC_INIT_LIST_HEAD_RCU
+ LC_REGISTER_SHRINKER_RET
# 3.13
LC_VFS_RENAME_5ARGS
# 3.19
LC_KIOCB_HAS_NBYTES
LC_HAVE_DQUOT_QC_DQBLK
+ LC_HAVE_AIO_COMPLETE
+ LC_HAVE_IS_ROOT_INODE
# 3.20
LC_BACKING_DEV_INFO_REMOVAL
LC_HAVE_BDI_CAP_MAP_COPY
- # 4.0.0
- LC_CANCEL_DIRTY_PAGE
-
# 4.1.0
LC_IOV_ITER_RW
LC_HAVE_SYNC_READ_WRITE
LC_HAVE___BI_CNT
# 4.2
- LC_NEW_CANCEL_DIRTY_PAGE
LC_BIO_ENDIO_USES_ONE_ARG
LC_SYMLINK_OPS_USE_NAMEIDATA
+ LC_ACCOUNT_PAGE_DIRTIED_3ARGS
+ LC_HAVE_CRYPTO_ALLOC_SKCIPHER
# 4.3
LC_HAVE_INTERVAL_EXP_BLK_INTEGRITY
# 4.6
LC_HAVE_IN_COMPAT_SYSCALL
LC_HAVE_XATTR_HANDLER_INODE_PARAM
+ LC_LOCK_PAGE_MEMCG
# 4.7
LC_D_IN_LOOKUP
+ LC_D_INIT
LC_DIRECTIO_2ARGS
LC_GENERIC_WRITE_SYNC_2ARGS
- LC_FOPS_ITERATE_SHARED
+ LC_FOP_ITERATE_SHARED
# 4.8
+ LC_EXPORT_DEFAULT_FILE_SPLICE_READ
LC_HAVE_POSIX_ACL_VALID_USER_NS
LC_D_COMPARE_4ARGS
LC_FULL_NAME_HASH_3ARGS
# 4.13
LC_BIO_INTEGRITY_ENABLED
+ LC_BIO_INTEGRITY_PREP_FN_RETURNS_BOOL
+ LC_HAVE_GET_INODE_USAGE
# 4.14
LC_PAGEVEC_INIT_ONE_PARAM
LC_BI_BDEV
+ LC_INTERVAL_TREE_CACHED
# 4.17
+ LC_VM_FAULT_T
+ LC_VM_FAULT_RETRY
LC_I_PAGES
# 4.18
+ LC_ALLOC_FILE_PSEUDO
LC_INODE_TIMESPEC64
+ # 4.20
+ LC_RADIX_TREE_TAG_SET
+ LC_UAPI_LINUX_MOUNT_H
+ LC_HAVE_SUNRPC_CACHE_HASH_LOCK_IS_A_SPINLOCK
+
+ # 5.1
+ LC_HAS_LINUX_SELINUX_ENABLED
+ LB_HAVE_BVEC_ITER_ALL
+
+ # 5.2
+ LC_ACCOUNT_PAGE_DIRTIED
+ LC_KEYRING_SEARCH_4ARGS
+
+ # 5.3
+ LC_BIO_BI_PHYS_SEGMENTS
+ LC_LM_COMPARE_OWNER_EXISTS
+
# kernel patch to extend integrity interface
LC_BIO_INTEGRITY_PREP_FN
#
AS_IF([test "x$enable_server" != xno], [
LC_STACK_SIZE
- LC_QUOTA64
LC_QUOTA_CONFIG
])
+ LC_POSIX_ACL_CONFIG
]) # LC_PROG_LINUX
#
OSDADDON=""
], [ln -s $OSDADDON $LUSTRE/$OSDMODNAME], [
AC_MSG_RESULT([$OSDMODNAME])
- OSDADDON="subdir-m += $OSDMODNAME"
+ OSDADDON="obj-m += $OSDMODNAME/"
], [
AC_MSG_RESULT([can't link])
OSDADDON=""
]) # LC_OSD_ADDON
#
+# LC_CONFIG_CRYPTO
+#
+# Check whether to enable Lustre client crypto
+#
+AC_DEFUN([LC_CONFIG_CRYPTO], [
+AC_MSG_CHECKING([whether to enable Lustre client crypto])
+AC_ARG_ENABLE([crypto],
+ AC_HELP_STRING([--enable-crypto=yes|no|in-kernel],
+ [enable Lustre client crypto (default is yes), use 'in-kernel' to force use of in-kernel fscrypt instead of embedded llcrypt]),
+ [], [enable_crypto="auto"])
+AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno], [
+ AC_MSG_RESULT(
+ )
+ LC_IS_ENCRYPTED
+ LC_FSCRYPT_SUPPORT])
+AS_IF([test "x$enable_crypto" = xin-kernel], [
+ AS_IF([test "x$has_fscrypt_support" = xyes], [
+ AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via in-kernel fscrypt])], [
+ AC_MSG_ERROR([Lustre client crypto cannot be enabled via in-kernel fscrypt.])
+ enable_crypto=no])],
+ [AS_IF([test "x$has_is_encrypted" = xyes], [
+ AC_DEFINE(HAVE_LUSTRE_CRYPTO, 1, [Enable Lustre client crypto via embedded llcrypt])
+ AC_DEFINE(CONFIG_LL_ENCRYPTION, 1, [embedded llcrypt])
+ enable_crypto="embedded llcrypt"
+ enable_llcrypt=yes], [
+ AS_IF([test "x$enable_crypto" = xyes],
+ [AC_MSG_ERROR([Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.])])
+ AS_IF([test "x$enable_crypto" != xno -a "x$enable_dist" = xno],
+ [AC_MSG_WARN(Lustre client crypto cannot be enabled because of lack of encryption support in your kernel.)])
+ enable_crypto=no])])
+AS_IF([test "x$enable_dist" != xno], [
+ enable_crypto=yes
+ enable_llcrypt=yes])
+AC_MSG_RESULT([$enable_crypto])
+]) # LC_CONFIG_CRYPTO
+
+#
# LC_CONFIGURE
#
# other configure checks
AC_CHECK_HEADERS([netdb.h endian.h])
AC_CHECK_FUNCS([gethostbyname])
-# lustre/utils/llverdev.c
-AC_CHECK_HEADERS([blkid/blkid.h])
+# lustre/utils/llverfs.c lustre/utils/libmount_utils_ldiskfs.c
+AC_CHECK_HEADERS([ext2fs/ext2fs.h], [], [
+ AS_IF([test "x$enable_utils" = xyes -a "x$enable_ldiskfs" = xyes], [
+ AC_MSG_ERROR([
+ext2fs.h not found. Please install e2fsprogs development package.
+ ])
+ ])
+])
-# lustre/utils/llverfs.c
-AC_CHECK_HEADERS([ext2fs/ext2fs.h])
+# lustre/tests/statx_test.c
+AC_CHECK_FUNCS([statx])
# lustre/utils/lfs.c
AS_IF([test "$enable_dist" = "no"], [
])
SELINUX=""
+
AC_CHECK_LIB([selinux], [is_selinux_enabled],
[AC_CHECK_HEADERS([selinux/selinux.h],
[SELINUX="-lselinux"
])
AC_SUBST(SELINUX)
+AC_CHECK_LIB([keyutils], [add_key])
+
# Super safe df
AC_MSG_CHECKING([whether to report minimum OST free space])
AC_ARG_ENABLE([mindf],
[], [enable_lu_ref="no"])
AC_MSG_RESULT([$enable_lu_ref])
AS_IF([test "x$enable_lu_ref" = xyes],
- [AC_DEFINE([USE_LU_REF], 1,
+ [AC_DEFINE([CONFIG_LUSTRE_DEBUG_LU_REF], 1,
[enable lu_ref reference tracking code])])
AC_MSG_CHECKING([whether to enable page state tracking])
AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
[AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
AC_MSG_RESULT([$with_systemdsystemunitdir])
+
+AC_MSG_CHECKING([bash-completion directory])
+AC_ARG_WITH([bash-completion-dir],
+ AS_HELP_STRING([--with-bash-completion-dir[=PATH]],
+ [Install the bash auto-completion script in this directory.]),
+ [],
+ [with_bash_completion_dir=yes])
+AS_IF([test "x$with_bash_completion_dir" = "xyes"], [
+ BASH_COMPLETION_DIR="`pkg-config --variable=completionsdir bash-completion`"
+ AS_IF([test "x$BASH_COMPLETION_DIR" = "x"], [
+ [BASH_COMPLETION_DIR="/usr/share/bash-completion/completions"]
+ ])
+], [
+ BASH_COMPLETION_DIR="$with_bash_completion_dir"
+])
+AC_SUBST([BASH_COMPLETION_DIR])
+AC_MSG_RESULT([$BASH_COMPLETION_DIR])
]) # LC_CONFIGURE
#
AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
-AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
AM_CONDITIONAL(GSS_SSK, test x$enable_ssk = xyes)
AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
AM_CONDITIONAL(HAVE_SYSTEMD, test "x$with_systemdsystemunitdir" != "xno")
+AM_CONDITIONAL(ENABLE_BASH_COMPLETION, test "x$with_bash_completion_dir" != "xno")
AM_CONDITIONAL(XATTR_HANDLER, test "x$lb_cv_compile_xattr_handler_flags" = xyes)
AM_CONDITIONAL(SELINUX, test "$SELINUX" = "-lselinux")
AM_CONDITIONAL(GETSEPOL, test x$enable_getsepol = xyes)
+AM_CONDITIONAL(LLCRYPT, test x$enable_llcrypt = xyes)
+AM_CONDITIONAL(LIBAIO, test x$enable_libaio = xyes)
]) # LC_CONDITIONALS
#
lustre/include/Makefile
lustre/include/lustre/Makefile
lustre/include/uapi/linux/lustre/Makefile
+lustre/kernel_patches/targets/4.18-rhel8.5.target
+lustre/kernel_patches/targets/4.18-rhel8.4.target
+lustre/kernel_patches/targets/4.18-rhel8.3.target
+lustre/kernel_patches/targets/4.18-rhel8.2.target
+lustre/kernel_patches/targets/4.18-rhel8.1.target
lustre/kernel_patches/targets/4.18-rhel8.target
+lustre/kernel_patches/targets/3.10-rhel7.9.target
+lustre/kernel_patches/targets/3.10-rhel7.8.target
+lustre/kernel_patches/targets/3.10-rhel7.7.target
lustre/kernel_patches/targets/3.10-rhel7.6.target
lustre/kernel_patches/targets/3.10-rhel7.5.target
lustre/kernel_patches/targets/4.14-rhel7.5.target
lustre/kernel_patches/targets/4.14-rhel7.6.target
-lustre/kernel_patches/targets/2.6-rhel6.9.target
-lustre/kernel_patches/targets/2.6-rhel6.8.target
-lustre/kernel_patches/targets/2.6-rhel6.7.target
-lustre/kernel_patches/targets/2.6-rhel6.6.target
-lustre/kernel_patches/targets/2.6-rhel6.target
-lustre/kernel_patches/targets/2.6-rhel5.target
-lustre/kernel_patches/targets/2.6-sles11.target
-lustre/kernel_patches/targets/3.0-sles11.target
-lustre/kernel_patches/targets/3.0-sles11sp3.target
-lustre/kernel_patches/targets/3.0-sles11sp4.target
-lustre/kernel_patches/targets/3.12-sles12.target
-lustre/kernel_patches/targets/4.4-sles12.target
-lustre/kernel_patches/targets/4.4-sles12sp3.target
lustre/kernel_patches/targets/4.12-sles12sp4.target
-lustre/kernel_patches/targets/2.6-fc11.target
-lustre/kernel_patches/targets/2.6-fc12.target
-lustre/kernel_patches/targets/2.6-fc15.target
+lustre/kernel_patches/targets/4.12-sles12sp5.target
+lustre/kernel_patches/targets/4.12-sles15sp1.target
+lustre/kernel_patches/targets/4.12-sles15sp2.target
+lustre/kernel_patches/targets/5.3-sles15sp3.target
lustre/kernel_patches/targets/3.x-fc18.target
lustre/ldlm/Makefile
lustre/fid/Makefile
lustre/scripts/systemd/Makefile
lustre/tests/Makefile
lustre/tests/mpi/Makefile
+lustre/tests/lutf/Makefile
+lustre/tests/lutf/src/Makefile
lustre/tests/kernel/Makefile
lustre/tests/kernel/autoMakefile
lustre/utils/Makefile
git://git.whamcloud.com / fs / lustre-release.git / blobdiff