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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-09-21 12:17:46 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-21 13:15:02 -0600 |
| commit | a47b255e90395bdb481975ab3d9e96fcf8b3165f (patch) | |
| tree | d6641cb4ed201bbdc8ef360c0b72ac861f323323 /io_uring | |
| parent | 3b8fdd1dc35e395d19efbc8391a809a5b954ecf4 (diff) | |
| download | linux-a47b255e90395bdb481975ab3d9e96fcf8b3165f.tar.gz linux-a47b255e90395bdb481975ab3d9e96fcf8b3165f.tar.bz2 linux-a47b255e90395bdb481975ab3d9e96fcf8b3165f.zip | |
io_uring: add custom opcode hooks on fail
Sometimes we have to do a little bit of a fixup on a request failuer in
io_req_complete_failed(). Add a callback in opdef for that.
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b734cff4e67cb30cca976b9face321023f37549a.1663668091.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 4 | ||||
| -rw-r--r-- | io_uring/opdef.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 433466455a5f..3875ea897cdf 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -865,8 +865,12 @@ inline void __io_req_complete(struct io_kiocb *req, unsigned issue_flags) void io_req_complete_failed(struct io_kiocb *req, s32 res) { + const struct io_op_def *def = &io_op_defs[req->opcode]; + req_set_fail(req); io_req_set_res(req, res, io_put_kbuf(req, IO_URING_F_UNLOCKED)); + if (def->fail) + def->fail(req); io_req_complete_post(req); } diff --git a/io_uring/opdef.h b/io_uring/opdef.h index 763c6e54e2ee..3efe06d25473 100644 --- a/io_uring/opdef.h +++ b/io_uring/opdef.h @@ -36,6 +36,7 @@ struct io_op_def { int (*issue)(struct io_kiocb *, unsigned int); int (*prep_async)(struct io_kiocb *); void (*cleanup)(struct io_kiocb *); + void (*fail)(struct io_kiocb *); }; extern const struct io_op_def io_op_defs[]; |