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Commit 87fc767b authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
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[PATCH] md: fix BUG when raid10 rebuilds without enough drives 



This shouldn't be a BUG.  We should cope.

Signed-off-by: default avatarNeil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 6d508242

drivers/md/raid10.c

+7 −1
Original line number Diff line number Diff line
@@ -1474,7 +1474,13 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i 
					}

				}

				if (j == conf->copies) {

					BUG();

					/* Cannot recover, so abort the recovery */

					put_buf(r10_bio);

					r10_bio = rb2;

					if (!test_and_set_bit(MD_RECOVERY_ERR, &mddev->recovery))

						printk(KERN_INFO "raid10: %s: insufficient working devices for recovery.\n",

						       mdname(mddev));

					break;

				}

			}

		if (biolist == NULL) {