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io_uring: cancel-match based on flags

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Instead of going into request internals, like checking req->file->f_op,
do match them based on REQ_F_INFLIGHT, it's set only when we want it to
be reliably cancelled.

Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Pavel Begunkov
2021-03-04 15:44:50 -07:00
committed by Jens Axboe
parent f01272541d
commit b05a1bcd40
1 changed files with 2 additions and 2 deletions
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fs/io_uring.c
+2 -2
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@@ -703,7 +703,7 @@ enum {
/* fail rest of links */
REQ_F_FAIL_LINK = BIT(REQ_F_FAIL_LINK_BIT),
/* on inflight list */
/* on inflight list, should be cancelled and waited on exit reliably */
REQ_F_INFLIGHT = BIT(REQ_F_INFLIGHT_BIT),
/* read/write uses file position */
REQ_F_CUR_POS = BIT(REQ_F_CUR_POS_BIT),
@@ -1069,7 +1069,7 @@ static bool io_match_task(struct io_kiocb *head,
return true;
io_for_each_link(req, head) {
if (req->file && req->file->f_op == &io_uring_fops)
if (req->flags & REQ_F_INFLIGHT)
return true;
if (req->task->files == files)
return true;