Dave confirmed Jeff's suspicion in [1]:
>> That wants to be rw_op = do_aio_write in the else clause. How did you
>> test this patch set?
> Yep, that's certainly a bug. I concentrated on testing on loop mounts,
> running some fio and ltp testcases, but I'm at a loss to explain how
> things seem to work as well as they do. Let's see how where fixing this
> leads.
This is a fixup to commit daf0f6142dd5 ("fs: use read_iter and write_iter
rather than aio_read and aio_write") from Dave Kleikamp's GIT tree in [2].
[1] http://www.spinics.net/lists/linux-fsdevel/msg61587.html
[2] https://github.com/kleikamp/linux-shaggy/commits/loop_2013_01_04
Cc: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
Cc: Jeff Moyer <jmoyer@xxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
[ v2: Misspelled Dave's last name and fix quoting. ]
Signed-off-by: Sedat Dilek <sedat.dilek@xxxxxxxxx>
---
fs/aio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/aio.c b/fs/aio.c
index 08f550a..9635e7a 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1320,7 +1320,7 @@ static ssize_t aio_rw_vect_retry(struct kiocb *iocb)
rw_op = do_aio_read;
opcode = IOCB_CMD_PREADV;
} else {
- rw_op = do_aio_read;
+ rw_op = do_aio_write;
opcode = IOCB_CMD_PWRITEV;
}
--
1.8.1.1
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