diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-10-12 13:12:20 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 06:17:36 -0600 |
| commit | d729cf9acb9311956c8a37113dcfa0160a2d9665 (patch) | |
| tree | db98a1f9ce4a4ddf9e454bc8660a87dacb616061 /fs | |
| parent | ef99b2d37666b7a600baab9e1c4944436652b0a2 (diff) | |
io_uring: don't sleep when polling for I/O
There is no point in sleeping for the expected I/O completion timeout
in the io_uring async polling model as we never poll for a specific
I/O.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Mark Wunderlich <mark.wunderlich@intel.com>
Link: https://lore.kernel.org/r/20211012111226.760968-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 541fec2bd49a..c5066146b8de 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2457,7 +2457,7 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, unsigned int *nr_events, long min) { struct io_kiocb *req, *tmp; - unsigned int poll_flags = 0; + unsigned int poll_flags = BLK_POLL_NOSLEEP; LIST_HEAD(done); /* |