[PATCH 2/6] aio: remove an outdated comment in aio_complete

Christoph Hellwig
2018-03-28T07:45:16Z

These days we don't treat sync iocbs special in the aio completion code as
they never use it. Remove the old comment and BUG_ON given that the
current definition of is_sync_kiocb makes it impossible to hit.
iocb to the top of the function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/aio.c | 9 ---------
1 file changed, 9 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 03d59593912d..f536b0f249d4 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1100,15 +1100,6 @@ static void aio_complete(struct kiocb *kiocb, long res, long res2)
file_end_write(file);
}

- /*
- * Special case handling for sync iocbs:
- * - events go directly into the iocb for fast handling
- * - the sync task with the iocb in its stack holds the single iocb
- * ref, no other paths have a way to get another ref
- * - the sync task helpfully left a reference to itself in the iocb
- */
- BUG_ON(is_sync_kiocb(kiocb));
-
if (iocb->ki_list.next) {
unsigned long flags;

--
2.14.2