]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: e39e33e) | patch
io_uring: pin ctx on fallback execution
authorPavel Begunkov <asml.silence@gmail.com>
Tue, 17 Aug 2021 21:36:44 +0000 (22:36 +0100)
committerJens Axboe <axboe@kernel.dk>
Tue, 17 Aug 2021 22:06:14 +0000 (16:06 -0600)
commitf82cb9f9947c59ba8f6e5b8d06cdc3ab6f0fed7e
tree9bdbfa1fa00c665de564148b5457918922c6b664tree | snapshot
parente39e33e6cb110e8900d7dc320f5e5d280a7b19ffcommit | diff
io_uring: pin ctx on fallback execution

Pin ring in io_fallback_req_func() by briefly elevating ctx->refs in
case any task_work handler touches ctx after releasing a request.

Fixes: f53e94f00663d ("io_uring: fix stuck fallback reqs")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/833a494713d235ec144284a9bbfe418df4f6b61c.1629235576.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
Linux Kernel Source Tree.