diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 60 |
1 files changed, 3 insertions, 57 deletions
@@ -1215,15 +1215,6 @@ static void bdrv_backing_attach(BdrvChild *c) parent->backing_blocker); } -/* XXX: Will be removed along with child_backing */ -static void bdrv_child_cb_attach_backing(BdrvChild *c) -{ - if (!(c->role & BDRV_CHILD_COW)) { - bdrv_backing_attach(c); - } - bdrv_child_cb_attach(c); -} - static void bdrv_backing_detach(BdrvChild *c) { BlockDriverState *parent = c->opaque; @@ -1234,28 +1225,6 @@ static void bdrv_backing_detach(BdrvChild *c) parent->backing_blocker = NULL; } -/* XXX: Will be removed along with child_backing */ -static void bdrv_child_cb_detach_backing(BdrvChild *c) -{ - if (!(c->role & BDRV_CHILD_COW)) { - bdrv_backing_detach(c); - } - bdrv_child_cb_detach(c); -} - -/* - * Returns the options and flags that bs->backing should get, based on the - * given options and flags for the parent BDS - */ -static void bdrv_backing_options(BdrvChildRole role, bool parent_is_format, - int *child_flags, QDict *child_options, - int parent_flags, QDict *parent_options) -{ - bdrv_inherited_options(BDRV_CHILD_COW, true, - child_flags, child_options, - parent_flags, parent_options); -} - static int bdrv_backing_update_filename(BdrvChild *c, BlockDriverState *base, const char *filename, Error **errp) { @@ -1283,21 +1252,6 @@ static int bdrv_backing_update_filename(BdrvChild *c, BlockDriverState *base, return ret; } -const BdrvChildClass child_backing = { - .parent_is_bds = true, - .get_parent_desc = bdrv_child_get_parent_desc, - .attach = bdrv_child_cb_attach_backing, - .detach = bdrv_child_cb_detach_backing, - .inherit_options = bdrv_backing_options, - .drained_begin = bdrv_child_cb_drained_begin, - .drained_poll = bdrv_child_cb_drained_poll, - .drained_end = bdrv_child_cb_drained_end, - .inactivate = bdrv_child_cb_inactivate, - .update_filename = bdrv_backing_update_filename, - .can_set_aio_ctx = bdrv_child_cb_can_set_aio_ctx, - .set_aio_ctx = bdrv_child_cb_set_aio_ctx, -}; - /* * Returns the options and flags that a generic child of a BDS should * get, based on the given options and flags for the parent BDS. @@ -2446,8 +2400,7 @@ static void bdrv_default_perms_for_cow(BlockDriverState *bs, BdrvChild *c, uint64_t perm, uint64_t shared, uint64_t *nperm, uint64_t *nshared) { - assert(child_class == &child_backing || - (child_class == &child_of_bds && (role & BDRV_CHILD_COW))); + assert(child_class == &child_of_bds && (role & BDRV_CHILD_COW)); /* * We want consistent read from backing files if the parent needs it. @@ -2566,23 +2519,16 @@ void bdrv_format_default_perms(BlockDriverState *bs, BdrvChild *c, uint64_t perm, uint64_t shared, uint64_t *nperm, uint64_t *nshared) { - bool backing = (child_class == &child_backing); - if (child_class == &child_of_bds) { bdrv_default_perms(bs, c, child_class, role, reopen_queue, perm, shared, nperm, nshared); return; } - assert(child_class == &child_backing || child_class == &child_file); + assert(child_class == &child_file); - if (!backing) { - bdrv_default_perms_for_storage(bs, c, child_class, role, reopen_queue, - perm, shared, nperm, nshared); - } else { - bdrv_default_perms_for_cow(bs, c, child_class, role, reopen_queue, + bdrv_default_perms_for_storage(bs, c, child_class, role, reopen_queue, perm, shared, nperm, nshared); - } } void bdrv_default_perms(BlockDriverState *bs, BdrvChild *c, |