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.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
io_uring/rw.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/io_uring/rw.c b/io_uring/rw.c
index c8c822fa7980..402e8bf002d6 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -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;
@@ -853,6 +853,17 @@ 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 (unlikely(ret < 0))
+ return ret;
+
return kiocb_done(req, ret, issue_flags);
}
--
2.40.1
