Commit 52f7eb94 authored by Bart Van Assche's avatar Bart Van Assche Committed by Jens Axboe

blk-mq: Micro-optimize bt_get()

Remove a superfluous finish_wait() call. Convert the two bt_wait_ptr()
calls into a single call.
Signed-off-by: default avatarBart Van Assche <>
Cc: Christoph Hellwig <>
Cc: Robert Elliott <>
Cc: Ming Lei <>
Cc: Alexander Gordeev <>
Signed-off-by: default avatarJens Axboe <>
parent c38d185d
......@@ -248,8 +248,8 @@ static int bt_get(struct blk_mq_alloc_data *data,
if (!(data->gfp & __GFP_WAIT))
return -1;
bs = bt_wait_ptr(bt, hctx);
do {
bs = bt_wait_ptr(bt, hctx);
prepare_to_wait(&bs->wait, &wait, TASK_UNINTERRUPTIBLE);
tag = __bt_get(hctx, bt, last_tag);
......@@ -285,8 +285,6 @@ static int bt_get(struct blk_mq_alloc_data *data,
hctx = data->hctx;
bt = &hctx->tags->bitmap_tags;
finish_wait(&bs->wait, &wait);
bs = bt_wait_ptr(bt, hctx);
} while (1);
finish_wait(&bs->wait, &wait);
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