[PATCH 06/36] aio: delete iocbs from the active_reqs list in kiocb_cancel

Christoph Hellwig
2018-01-17T19:28:11Z

One we cancel an iocb there is no reason to keep it on the active_reqs
list, given that the list is only used to look for cancelation candidates.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
---
fs/aio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 2d40cf5dd4ec..0b6394b4e528 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -561,6 +561,8 @@ static int kiocb_cancel(struct aio_kiocb *kiocb)
{
kiocb_cancel_fn *cancel = kiocb->ki_cancel;

+ list_del_init(&kiocb->ki_list);
+
if (!cancel)
return -EINVAL;
kiocb->ki_cancel = NULL;
@@ -607,8 +609,6 @@ static void free_ioctx_users(struct percpu_ref *ref)
while (!list_empty(&ctx->active_reqs)) {
req = list_first_entry(&ctx->active_reqs,
struct aio_kiocb, ki_list);
-
- list_del_init(&req->ki_list);
kiocb_cancel(req);
}

--
2.14.2