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Date: Mon, 28 Apr 2014 02:11:22 +0100 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Joe Thornber" <ejt@...hat.com>, "Mike Snitzer" <snitzer@...hat.com> Subject: [PATCH 3.2 66/94] dm thin: fix dangling bio in process_deferred_bios error path 3.2.58-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Mike Snitzer <snitzer@...hat.com> commit fe76cd88e654124d1431bb662a0fc6e99ca811a5 upstream. If unable to ensure_next_mapping() we must add the current bio, which was removed from the @bios list via bio_list_pop, back to the deferred_bios list before all the remaining @bios. Signed-off-by: Mike Snitzer <snitzer@...hat.com> Acked-by: Joe Thornber <ejt@...hat.com> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- drivers/md/dm-thin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1298,9 +1298,9 @@ static void process_deferred_bios(struct */ if (ensure_next_mapping(pool)) { spin_lock_irqsave(&pool->lock, flags); + bio_list_add(&pool->deferred_bios, bio); bio_list_merge(&pool->deferred_bios, &bios); spin_unlock_irqrestore(&pool->lock, flags); - break; } process_bio(tc, bio); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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