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io_uring: add custom opcode hooks on fail

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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>
This commit is contained in:
Pavel Begunkov
2022-09-21 12:17:46 +01:00
committed by Jens Axboe
parent 3b8fdd1dc3
commit a47b255e90
2 changed files with 5 additions and 0 deletions
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io_uring/opdef.h
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@@ -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[];