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authorDarrick J. Wong <darrick.wong@oracle.com>2019-07-01 08:25:34 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-07-01 08:25:34 -0700
commit5aca284210ce827f780ea2f4f9c6ab8d6e2d6648 (patch)
tree485c43c3dd95105dccf7fcc32934112a76ea2129 /fs/reiserfs
parentd1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff)
downloadlinux-5aca284210ce827f780ea2f4f9c6ab8d6e2d6648.tar.bz2
vfs: create a generic checking and prep function for FS_IOC_SETFLAGS
Create a generic function to check incoming FS_IOC_SETFLAGS flag values and later prepare the inode for updates so that we can standardize the implementations that follow ext4's flag values. Note that the efivarfs implementation no longer fails a no-op SETFLAGS without CAP_LINUX_IMMUTABLE since that's the behavior in ext*. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: David Sterba <dsterba@suse.com> Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/ioctl.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index acbbaf7a0bb2..45e1a5d11af3 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -74,13 +74,11 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = -EPERM;
goto setflags_out;
}
- if (((flags ^ REISERFS_I(inode)->
- i_attrs) & (REISERFS_IMMUTABLE_FL |
- REISERFS_APPEND_FL))
- && !capable(CAP_LINUX_IMMUTABLE)) {
- err = -EPERM;
+ err = vfs_ioc_setflags_prepare(inode,
+ REISERFS_I(inode)->i_attrs,
+ flags);
+ if (err)
goto setflags_out;
- }
if ((flags & REISERFS_NOTAIL_FL) &&
S_ISREG(inode->i_mode)) {
int result;