btrfs: add readonly flag

setting the readonly flag prevents writes in case an error is detected Signed-off-by: Arne Jansen <sensille@gmx.net>
2011-03-23 16:34:19 +01:00
parent 96e369208e
commit 8628764e1a
4 changed files with 16 additions and 12 deletions
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -81,6 +81,7 @@ struct btrfs_scrub_progress {
 					 * Intermittent error. */
 };

+#define BTRFS_SCRUB_READONLY	1
 struct btrfs_ioctl_scrub_args {
 	__u64 devid;				/* in */
 	__u64 start;				/* in */