diff options
Diffstat (limited to 'block/blk-mq-tag.c')
| -rw-r--r-- | block/blk-mq-tag.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index c81b40ecd3f1..336dde07b230 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -134,12 +134,6 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) ws = bt_wait_ptr(bt, data->hctx); drop_ctx = data->ctx == NULL; do { - prepare_to_wait(&ws->wait, &wait, TASK_UNINTERRUPTIBLE); - - tag = __blk_mq_get_tag(data, bt); - if (tag != -1) - break; - /* * We're out of tags on this hardware queue, kick any * pending IO submits before going to sleep waiting for @@ -155,6 +149,13 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data) if (tag != -1) break; + prepare_to_wait_exclusive(&ws->wait, &wait, + TASK_UNINTERRUPTIBLE); + + tag = __blk_mq_get_tag(data, bt); + if (tag != -1) + break; + if (data->ctx) blk_mq_put_ctx(data->ctx); |