fs: make aio plug
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/fs/aio.c b/fs/aio.c
index c5ea494..1476bed 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1660,6 +1660,7 @@
long ret = 0;
int i;
struct hlist_head batch_hash[AIO_BATCH_HASH_SIZE] = { { 0, }, };
+ struct blk_plug plug;
if (unlikely(nr < 0))
return -EINVAL;
@@ -1676,6 +1677,8 @@
return -EINVAL;
}
+ blk_start_plug(&plug);
+
/*
* AKPM: should this return a partial result if some of the IOs were
* successfully submitted?
@@ -1698,6 +1701,7 @@
if (ret)
break;
}
+ blk_finish_plug(&plug);
aio_batch_free(batch_hash);
put_ioctx(ctx);