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authorMax Reitz <mreitz@redhat.com>2016-03-16 19:54:44 +0100
committerKevin Wolf <kwolf@redhat.com>2016-03-17 15:47:57 +0100
commit79720af640f3d23b446df4284a8f5b98efbb709d (patch)
treede20124f019f401f11a5b035f4574db6a527784d
parent26260580349e0369858f03f46ebaf9e31c2a780f (diff)
downloadfocaccia-qemu-79720af640f3d23b446df4284a8f5b98efbb709d.tar.gz
focaccia-qemu-79720af640f3d23b446df4284a8f5b98efbb709d.zip
block: Use bdrv_next() instead of bdrv_states
There is no point in manually iterating through the bdrv_states list
when there is bdrv_next().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/block.c b/block.c
index 8f700f1212..5d848fbbc5 100644
--- a/block.c
+++ b/block.c
@@ -3293,10 +3293,10 @@ void bdrv_invalidate_cache(BlockDriverState *bs, Error **errp)
 
 void bdrv_invalidate_cache_all(Error **errp)
 {
-    BlockDriverState *bs;
+    BlockDriverState *bs = NULL;
     Error *local_err = NULL;
 
-    QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+    while ((bs = bdrv_next(bs)) != NULL) {
         AioContext *aio_context = bdrv_get_aio_context(bs);
 
         aio_context_acquire(aio_context);
@@ -3326,10 +3326,10 @@ static int bdrv_inactivate(BlockDriverState *bs)
 
 int bdrv_inactivate_all(void)
 {
-    BlockDriverState *bs;
+    BlockDriverState *bs = NULL;
     int ret;
 
-    QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+    while ((bs = bdrv_next(bs)) != NULL) {
         AioContext *aio_context = bdrv_get_aio_context(bs);
 
         aio_context_acquire(aio_context);
@@ -3835,10 +3835,10 @@ bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs,
  */
 bool bdrv_is_first_non_filter(BlockDriverState *candidate)
 {
-    BlockDriverState *bs;
+    BlockDriverState *bs = NULL;
 
     /* walk down the bs forest recursively */
-    QTAILQ_FOREACH(bs, &bdrv_states, device_list) {
+    while ((bs = bdrv_next(bs)) != NULL) {
         bool perm;
 
         /* try to recurse in this top level bs */