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authorChristoph Hellwig <hch@lst.de>2018-12-02 19:46:26 +0300
committerJens Axboe <axboe@kernel.dk>2018-12-04 21:38:19 +0300
commit529262d56dbebe6a26df5d2fd24cc0e1bc8579e5 (patch)
tree6040d2d4f2faa36d324559ea7fd2916b73130e1c /block/blk-core.c
parent9d6610b76fa374eae3deb93bcbace4a06c2e3b95 (diff)
downloadlinux-529262d56dbebe6a26df5d2fd24cc0e1bc8579e5.tar.xz
block: remove ->poll_fn
This was intended to support users like nvme multipath, but is just getting in the way and adding another indirect call. Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index a1a5e1c14898..ad59102ee30a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1251,29 +1251,6 @@ blk_qc_t submit_bio(struct bio *bio)
EXPORT_SYMBOL(submit_bio);
/**
- * blk_poll - poll for IO completions
- * @q: the queue
- * @cookie: cookie passed back at IO submission time
- * @spin: whether to spin for completions
- *
- * Description:
- * Poll for completions on the passed in queue. Returns number of
- * completed entries found. If @spin is true, then blk_poll will continue
- * looping until at least one completion is found, unless the task is
- * otherwise marked running (or we need to reschedule).
- */
-int blk_poll(struct request_queue *q, blk_qc_t cookie, bool spin)
-{
- if (!q->poll_fn || !blk_qc_t_valid(cookie))
- return 0;
-
- if (current->plug)
- blk_flush_plug_list(current->plug, false);
- return q->poll_fn(q, cookie, spin);
-}
-EXPORT_SYMBOL_GPL(blk_poll);
-
-/**
* blk_cloned_rq_check_limits - Helper function to check a cloned request
* for new the queue limits
* @q: the queue