kvm tools: Remove unused req_mutex variable.

The req_mutex was used to protect the request list. In commit b7b038d, I
removed the use of the virtio_blk_req_{pop, push} which needs the
req_mutex, but I forgot to remove the req_mutex. So remove it now.

Signed-off-by: Asias He <asias.hejun@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

diff --git a/tools/kvm/virtio/blk.c b/tools/kvm/virtio/blk.c
index b0613073d5e4b30263139f29e7cf4eeb1524f1ba..da92094a2000189c3bad85aef3103324013da2cc 100644 (file)
--- a/tools/kvm/virtio/blk.c
+++ b/tools/kvm/virtio/blk.c
@@ -38,7 +38,6 @@ struct blk_dev_req {
 
 struct blk_dev {
        pthread_mutex_t                 mutex;
-       pthread_mutex_t                 req_mutex;
 
        struct list_head                list;
        struct list_head                req_list;
@@ -229,7 +228,6 @@ static int virtio_blk__init_one(struct kvm *kvm, struct disk_image *disk)
 
        *bdev = (struct blk_dev) {
                .mutex                  = PTHREAD_MUTEX_INITIALIZER,
-               .req_mutex              = PTHREAD_MUTEX_INITIALIZER,
                .disk                   = disk,
                .blk_config             = (struct virtio_blk_config) {
                        .capacity       = disk->size / SECTOR_SIZE,