diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq-tag.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index eb55492e6875..bab4bff15f42 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -261,6 +261,14 @@ static int bt_get(struct blk_mq_alloc_data *data, */ blk_mq_run_hw_queue(hctx, false); + /* + * Retry tag allocation after running the hardware queue, + * as running the queue may also have found completions. + */ + tag = __bt_get(hctx, bt, last_tag); + if (tag != -1) + break; + blk_mq_put_ctx(data->ctx); io_schedule(); |