diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -103,6 +103,8 @@ static int bdrv_reopen_prepare(BDRVReopenState *reopen_state, static void bdrv_reopen_commit(BDRVReopenState *reopen_state); static void bdrv_reopen_abort(BDRVReopenState *reopen_state); +static bool bdrv_backing_overridden(BlockDriverState *bs); + /* If non-zero, use only whitelisted block drivers */ static int use_bdrv_whitelist; @@ -2483,7 +2485,6 @@ char *bdrv_perm_names(uint64_t perm) { BLK_PERM_WRITE, "write" }, { BLK_PERM_WRITE_UNCHANGED, "write unchanged" }, { BLK_PERM_RESIZE, "resize" }, - { BLK_PERM_GRAPH_MOD, "change children" }, { 0, NULL } }; @@ -2599,8 +2600,7 @@ static void bdrv_default_perms_for_cow(BlockDriverState *bs, BdrvChild *c, shared = 0; } - shared |= BLK_PERM_CONSISTENT_READ | BLK_PERM_GRAPH_MOD | - BLK_PERM_WRITE_UNCHANGED; + shared |= BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE_UNCHANGED; if (bs->open_flags & BDRV_O_INACTIVE) { shared |= BLK_PERM_WRITE | BLK_PERM_RESIZE; @@ -2718,7 +2718,6 @@ uint64_t bdrv_qapi_perm_to_blk_perm(BlockPermission qapi_perm) [BLOCK_PERMISSION_WRITE] = BLK_PERM_WRITE, [BLOCK_PERMISSION_WRITE_UNCHANGED] = BLK_PERM_WRITE_UNCHANGED, [BLOCK_PERMISSION_RESIZE] = BLK_PERM_RESIZE, - [BLOCK_PERMISSION_GRAPH_MOD] = BLK_PERM_GRAPH_MOD, }; QEMU_BUILD_BUG_ON(ARRAY_SIZE(permissions) != BLOCK_PERMISSION__MAX); @@ -5544,8 +5543,6 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base, update_inherits_from = bdrv_inherits_from_recursive(base, explicit_top); /* success - we can delete the intermediate states, and link top->base */ - /* TODO Check graph modification op blockers (BLK_PERM_GRAPH_MOD) once - * we've figured out how they should work. */ if (!backing_file_str) { bdrv_refresh_filename(base); backing_file_str = base->filename; @@ -7475,7 +7472,7 @@ static bool append_strong_runtime_options(QDict *d, BlockDriverState *bs) /* Note: This function may return false positives; it may return true * even if opening the backing file specified by bs's image header * would result in exactly bs->backing. */ -bool bdrv_backing_overridden(BlockDriverState *bs) +static bool bdrv_backing_overridden(BlockDriverState *bs) { if (bs->backing) { return strcmp(bs->auto_backing_file, |