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authorFrederic Weisbecker <fweisbec@gmail.com>2014-02-24 19:39:53 +0400
committerJens Axboe <axboe@fb.com>2014-02-25 02:46:38 +0400
commitd9a74df512e44580a34bf6e70f5d08c126507354 (patch)
treefc9436ccbcbbc40bc4c9665475aa09161fe306a7 /include/linux/elevator.h
parent8b4922d3173d2eee7b43be8e5caec3ab7d30feff (diff)
downloadlinux-d9a74df512e44580a34bf6e70f5d08c126507354.tar.xz
block: Remove useless IPI struct initialization
rq_fifo_clear() reset the csd.list through INIT_LIST_HEAD for no clear purpose. The csd.list doesn't need to be initialized as a list head because it's only ever used as a list node. Lets remove this useless initialization. Reviewed-by: Jan Kara <jack@suse.cz> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@fb.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/elevator.h')
-rw-r--r--include/linux/elevator.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 0bdfd46f4735..df63bd3a8cf1 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -203,10 +203,7 @@ enum {
#define rb_entry_rq(node) rb_entry((node), struct request, rb_node)
#define rq_entry_fifo(ptr) list_entry((ptr), struct request, queuelist)
-#define rq_fifo_clear(rq) do { \
- list_del_init(&(rq)->queuelist); \
- INIT_LIST_HEAD(&(rq)->csd.list); \
- } while (0)
+#define rq_fifo_clear(rq) list_del_init(&(rq)->queuelist)
#else /* CONFIG_BLOCK */