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block: Request child permissions in filter drivers

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All callers will have to request permissions for all of their child
nodes. Block drivers that act as simply filters can use the default
implementation of .bdrv_child_perm().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Kevin Wolf 2016-12-15 12:28:58 +01:00
parent 6a1b9ee152
commit d7010dfb68
6 changed files with 8 additions and 0 deletions
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2
block/blkdebug.c
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@ -734,6 +734,8 @@ static BlockDriver bdrv_blkdebug = {
.bdrv_file_open = blkdebug_open,
.bdrv_close = blkdebug_close,
.bdrv_reopen_prepare = blkdebug_reopen_prepare,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = blkdebug_getlength,
.bdrv_truncate = blkdebug_truncate,
.bdrv_refresh_filename = blkdebug_refresh_filename,

1
block/blkreplay.c
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@ -137,6 +137,7 @@ static BlockDriver bdrv_blkreplay = {
.bdrv_file_open = blkreplay_open,
.bdrv_close = blkreplay_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = blkreplay_getlength,
.bdrv_co_preadv = blkreplay_co_preadv,

1
block/blkverify.c
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@ -320,6 +320,7 @@ static BlockDriver bdrv_blkverify = {
.bdrv_parse_filename = blkverify_parse_filename,
.bdrv_file_open = blkverify_open,
.bdrv_close = blkverify_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = blkverify_getlength,
.bdrv_refresh_filename = blkverify_refresh_filename,

2
block/quorum.c
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@ -1133,6 +1133,8 @@ static BlockDriver bdrv_quorum = {
.bdrv_add_child = quorum_add_child,
.bdrv_del_child = quorum_del_child,
.bdrv_child_perm = bdrv_filter_default_perms,
.is_filter = true,
.bdrv_recurse_is_first_non_filter = quorum_recurse_is_first_non_filter,
};

1
block/raw-format.c
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@ -467,6 +467,7 @@ BlockDriver bdrv_raw = {
.bdrv_reopen_abort = &raw_reopen_abort,
.bdrv_open = &raw_open,
.bdrv_close = &raw_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_create = &raw_create,
.bdrv_co_preadv = &raw_co_preadv,
.bdrv_co_pwritev = &raw_co_pwritev,

1
block/replication.c
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@ -660,6 +660,7 @@ BlockDriver bdrv_replication = {
.bdrv_open = replication_open,
.bdrv_close = replication_close,
.bdrv_child_perm = bdrv_filter_default_perms,
.bdrv_getlength = replication_getlength,
.bdrv_co_readv = replication_co_readv,