Commit a08d195b authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring/rw: split io_read() into a helper 



Add __io_read() which does the grunt of the work, leaving the completion
side to the new io_read(). No functional changes in this patch.

Reviewed-by: default avatarGabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent ce9ecca0

io_uring/rw.c

+13 −2
Original line number Diff line number Diff line
@@ -708,7 +708,7 @@ static int io_rw_init_file(struct io_kiocb *req, fmode_t mode) 
	return 0;

}



int io_read(struct io_kiocb *req, unsigned int issue_flags)

static int __io_read(struct io_kiocb *req, unsigned int issue_flags)

{

	struct io_rw *rw = io_kiocb_to_cmd(req, struct io_rw);

	struct io_rw_state __s, *s = &__s;
@@ -853,7 +853,18 @@ int io_read(struct io_kiocb *req, unsigned int issue_flags) 
	/* it's faster to check here then delegate to kfree */

	if (iovec)

		kfree(iovec);

	return ret;

}



int io_read(struct io_kiocb *req, unsigned int issue_flags)

{

	int ret;



	ret = __io_read(req, issue_flags);

	if (ret >= 0)

		return kiocb_done(req, ret, issue_flags);



	return ret;

}



int io_write(struct io_kiocb *req, unsigned int issue_flags)