UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

io_uring: simplify io_task_match() 

If IORING_SETUP_SQPOLL is set all requests belong to the corresponding
SQPOLL task, so skip task checking in that case and always match.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-11-06 13:00:21 +00:00 committed by Jens Axboe
parent 2846c481c9
commit 06de5f5973
1 changed files with 1 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/io_uring.c
View File

@ -1563,11 +1563,7 @@ static bool io_task_match(struct io_kiocb *req, struct task_struct *tsk)
if (!tsk || req->task == tsk)
return true;
if (ctx->flags & IORING_SETUP_SQPOLL) {
if (ctx->sq_data && req->task == ctx->sq_data->thread)
return true;
}
return false;
return (ctx->flags & IORING_SETUP_SQPOLL);
}
/*