projects / linux-2.6-block.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2b9772a) | patch
io_uring: improve ctx hang handling
authorPavel Begunkov <asml.silence@gmail.com>
Mon, 9 Aug 2021 12:04:17 +0000 (13:04 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 9 Aug 2021 15:10:28 +0000 (09:10 -0600)
commitb4ad32d541a95943e301d9d114544c9b64485675
treedf30aa75d5b73b5b0dbaf5f78e7764028ea984abtree
parent2b9772a697cf567395156f28eea4e279ccba64a5commit | diff
io_uring: improve ctx hang handling

If io_ring_exit_work() can't get it done in 5 minutes, something is
going very wrong, don't keep spinning at HZ / 20 rate, it doesn't help
and it may take much of CPU time if there is a lot of workers stuck as
such.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9e2d1ca81d569f6bc628af1a42ff6663bff7ce9c.1628471125.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)