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-rw-r--r--drivers/md/dm-thin.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 38a063f7afa4..f39876dd307d 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -369,14 +369,18 @@ struct dm_thin_endio_hook {
struct dm_thin_new_mapping *overwrite_mapping;
};
-static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master)
+static void requeue_bio_list(struct thin_c *tc, struct bio_list *master)
{
struct bio *bio;
struct bio_list bios;
+ unsigned long flags;
bio_list_init(&bios);
+
+ spin_lock_irqsave(&tc->pool->lock, flags);
bio_list_merge(&bios, master);
bio_list_init(master);
+ spin_unlock_irqrestore(&tc->pool->lock, flags);
while ((bio = bio_list_pop(&bios))) {
struct dm_thin_endio_hook *h = dm_per_bio_data(bio, sizeof(struct dm_thin_endio_hook));
@@ -391,12 +395,9 @@ static void __requeue_bio_list(struct thin_c *tc, struct bio_list *master)
static void requeue_io(struct thin_c *tc)
{
struct pool *pool = tc->pool;
- unsigned long flags;
- spin_lock_irqsave(&pool->lock, flags);
- __requeue_bio_list(tc, &pool->deferred_bios);
- __requeue_bio_list(tc, &pool->retry_on_resume_list);
- spin_unlock_irqrestore(&pool->lock, flags);
+ requeue_bio_list(tc, &pool->deferred_bios);
+ requeue_bio_list(tc, &pool->retry_on_resume_list);
}
static void error_retry_list(struct pool *pool)