[PATCH 21/27] aio: split iocb init from allocation

[Jens Axboe <axboe@kernel.dk>]

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/aio.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 291bbc62b2a8..341eb1b19319 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1088,6 +1088,16 @@ static bool get_reqs_available(struct kioctx *ctx)
 	return __get_reqs_available(ctx);
 }
 
+static void aio_iocb_init(struct kioctx *ctx, struct aio_kiocb *req)
+{
+	percpu_ref_get(&ctx->reqs);
+	req->ki_ctx = ctx;
+	INIT_LIST_HEAD(&req->ki_list);
+	req->ki_flags = 0;
+	refcount_set(&req->ki_refcnt, 0);
+	req->ki_eventfd = NULL;
+}
+
 /* aio_get_req
  *	Allocate a slot for an aio request.
  * Returns NULL if no requests are free.
@@ -1097,14 +1107,8 @@ static inline struct aio_kiocb *aio_get_req(struct kioctx *ctx)
 	struct aio_kiocb *req;
 
 	req = kmem_cache_alloc(kiocb_cachep, GFP_KERNEL);
-	if (req) {
-		percpu_ref_get(&ctx->reqs);
-		req->ki_ctx = ctx;
-		INIT_LIST_HEAD(&req->ki_list);
-		req->ki_flags = 0;
-		refcount_set(&req->ki_refcnt, 0);
-		req->ki_eventfd = NULL;
-	}
+	if (req)
+		aio_iocb_init(ctx, req);
 
 	return req;
 }
-- 
2.17.1