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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: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2005-09-09 16:24:04 -07:00 committed by Linus Torvalds
parent 6d508242b2
commit 87fc767b83
1 changed files with 7 additions and 1 deletions
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8
drivers/md/raid10.c
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@ -1474,7 +1474,13 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
} }
} }
if (j == conf->copies) { 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) { if (biolist == NULL) {