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Subject[PATCH 11/21] aio: Kill ki_dtor
Date
sock_aio_dtor() is dead code - and stuff that does need to do cleanup
can simply do it before calling aio_complete().

Signed-off-by: Kent Overstreet <koverstreet@google.com>
Cc: Zach Brown <zab@redhat.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Asai Thambi S P <asamymuthupa@micron.com>
Cc: Selvan Mani <smani@micron.com>
Cc: Sam Bradshaw <sbradshaw@micron.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Theodore Ts'o <tytso@mit.edu>
---
fs/aio.c | 2 --
include/linux/aio.h | 1 -
net/socket.c | 13 ++-----------
3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 40781ff..7ce3cd8 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -619,8 +619,6 @@ static void kiocb_free(struct kiocb *req)
fput(req->ki_filp);
if (req->ki_eventfd != NULL)
eventfd_ctx_put(req->ki_eventfd);
- if (req->ki_dtor)
- req->ki_dtor(req);
kmem_cache_free(kiocb_cachep, req);
}

diff --git a/include/linux/aio.h b/include/linux/aio.h
index c4f07ff..d9c92da 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -33,7 +33,6 @@ struct kiocb {
struct file *ki_filp;
struct kioctx *ki_ctx; /* NULL for sync ops */
kiocb_cancel_fn *ki_cancel;
- void (*ki_dtor)(struct kiocb *);
void *private;

union {
diff --git a/net/socket.c b/net/socket.c
index bfe9fab..fc3bf4c 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -848,11 +848,6 @@ int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
}
EXPORT_SYMBOL(kernel_recvmsg);

-static void sock_aio_dtor(struct kiocb *iocb)
-{
- kfree(iocb->private);
-}
-
static ssize_t sock_sendpage(struct file *file, struct page *page,
int offset, size_t size, loff_t *ppos, int more)
{
@@ -883,12 +878,8 @@ static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
static struct sock_iocb *alloc_sock_iocb(struct kiocb *iocb,
struct sock_iocb *siocb)
{
- if (!is_sync_kiocb(iocb)) {
- siocb = kmalloc(sizeof(*siocb), GFP_KERNEL);
- if (!siocb)
- return NULL;
- iocb->ki_dtor = sock_aio_dtor;
- }
+ if (!is_sync_kiocb(iocb))
+ BUG();

siocb->kiocb = iocb;
iocb->private = siocb;
--
1.8.2.1


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