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authorVladimir Sementsov-Ogievskiy2021-06-10 13:25:45 +0200
committerKevin Wolf2021-06-29 16:51:00 +0200
commit7ec390d587c32fa37c80099bd668ededd02309e0 (patch)
treeaec3f24a9d2dc4ed650d43c898c7fc3d12b797f0 /block.c
parentblock: rename bdrv_replace_child to bdrv_replace_child_tran (diff)
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block: comment graph-modifying function not updating permissions
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <20210610112618.127378-3-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r--block.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/block.c b/block.c
index e49ff8c078..9518f0e087 100644
--- a/block.c
+++ b/block.c
@@ -2770,6 +2770,8 @@ static TransactionActionDrv bdrv_attach_child_common_drv = {
* @child is saved to a new entry of @tran, so that *@child could be reverted to
* NULL on abort(). So referenced variable must live at least until transaction
* end.
+ *
+ * Function doesn't update permissions, caller is responsible for this.
*/
static int bdrv_attach_child_common(BlockDriverState *child_bs,
const char *child_name,
@@ -2848,6 +2850,8 @@ static int bdrv_attach_child_common(BlockDriverState *child_bs,
/*
* Variable referenced by @child must live at least until transaction end.
* (see bdrv_attach_child_common() doc for details)
+ *
+ * Function doesn't update permissions, caller is responsible for this.
*/
static int bdrv_attach_child_noperm(BlockDriverState *parent_bs,
BlockDriverState *child_bs,
@@ -3115,6 +3119,8 @@ static BdrvChildRole bdrv_backing_role(BlockDriverState *bs)
/*
* Sets the bs->backing link of a BDS. A new reference is created; callers
* which don't need their own reference any more must call bdrv_unref().
+ *
+ * Function doesn't update permissions, caller is responsible for this.
*/
static int bdrv_set_backing_noperm(BlockDriverState *bs,
BlockDriverState *backing_hd,
@@ -4792,6 +4798,8 @@ static TransactionActionDrv bdrv_remove_filter_or_cow_child_drv = {
* A function to remove backing-chain child of @bs if exists: cow child for
* format nodes (always .backing) and filter child for filters (may be .file or
* .backing)
+ *
+ * Function doesn't update permissions, caller is responsible for this.
*/
static void bdrv_remove_filter_or_cow_child(BlockDriverState *bs,
Transaction *tran)