[PATCH] md: allow dirty raid[456] arrays to be started at boot
See patch to md.txt for more details
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index 0000d16..9ac6dcd 100644
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -1929,13 +1929,18 @@
goto abort;
}
-#if 0 /* FIX: For now */
if (mddev->degraded > 0 &&
mddev->recovery_cp != MaxSector) {
- printk(KERN_ERR "raid6: cannot start dirty degraded array for %s\n", mdname(mddev));
- goto abort;
+ if (mddev->ok_start_degraded)
+ printk(KERN_WARNING "raid6: starting dirty degraded array:%s"
+ "- data corruption possible.\n",
+ mdname(mddev));
+ else {
+ printk(KERN_ERR "raid6: cannot start dirty degraded array"
+ " for %s\n", mdname(mddev));
+ goto abort;
+ }
}
-#endif
{
mddev->thread = md_register_thread(raid6d, mddev, "%s_raid6");