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Use inode_set_flags when available

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Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
This commit is contained in:
Chunwei Chen 2016-12-16 13:54:51 -08:00
parent c360af5411
commit a5248129b8
3 changed files with 28 additions and 0 deletions
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18
config/kernel-inode-set-flags.m4 Normal file
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@ -0,0 +1,18 @@
dnl #
dnl # 3.15 API change
dnl # inode_set_flags introduced to set i_flags
dnl #
AC_DEFUN([ZFS_AC_KERNEL_INODE_SET_FLAGS], [
AC_MSG_CHECKING([whether inode_set_flags() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode inode;
inode_set_flags(&inode, S_IMMUTABLE, S_IMMUTABLE);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_SET_FLAGS, 1, [inode_set_flags() exists])
],[
AC_MSG_RESULT(no)
])
])

1
config/kernel.m4
View File

@ -56,6 +56,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS
ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL
ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL
ZFS_AC_KERNEL_INODE_SET_FLAGS
ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE
ZFS_AC_KERNEL_SHOW_OPTIONS
ZFS_AC_KERNEL_FILE_INODE

9
module/zfs/zfs_znode.c
View File

@ -486,7 +486,15 @@ zfs_set_inode_flags(znode_t *zp, struct inode *ip)
* Linux and Solaris have different sets of file attributes, so we
* restrict this conversion to the intersection of the two.
*/
#ifdef HAVE_INODE_SET_FLAGS
unsigned int flags = 0;
if (zp->z_pflags & ZFS_IMMUTABLE)
flags |= S_IMMUTABLE;
if (zp->z_pflags & ZFS_APPENDONLY)
flags |= S_APPEND;
inode_set_flags(ip, flags, S_IMMUTABLE|S_APPEND);
#else
if (zp->z_pflags & ZFS_IMMUTABLE)
ip->i_flags |= S_IMMUTABLE;
else
@ -496,6 +504,7 @@ zfs_set_inode_flags(znode_t *zp, struct inode *ip)
ip->i_flags |= S_APPEND;
else
ip->i_flags &= ~S_APPEND;
#endif
}
/*