From 7ec390d587c32fa37c80099bd668ededd02309e0 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Thu, 10 Jun 2021 14:25:45 +0300 Subject: block: comment graph-modifying function not updating permissions Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-Id: <20210610112618.127378-3-vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf --- block.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/block.c b/block.c index e49ff8c..9518f0e 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) -- cgit v1.1