diff options
Diffstat (limited to 'include/block/block_int.h')
| -rw-r--r-- | include/block/block_int.h | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 06df2bda1b..d6415b53c1 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -812,9 +812,6 @@ struct BlockDriverState { /* operation blockers */ QLIST_HEAD(, BdrvOpBlocker) op_blockers[BLOCK_OP_TYPE_MAX]; - /* long-running background operation */ - BlockJob *job; - /* The node that this node inherited default options from (and a reopen on * which can affect this node by changing these defaults). This is always a * parent node of this node. */ @@ -1082,12 +1079,12 @@ void commit_start(const char *job_id, BlockDriverState *bs, * @errp: Error object. * */ -void commit_active_start(const char *job_id, BlockDriverState *bs, - BlockDriverState *base, int creation_flags, - int64_t speed, BlockdevOnError on_error, - const char *filter_node_name, - BlockCompletionFunc *cb, void *opaque, - bool auto_complete, Error **errp); +BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs, + BlockDriverState *base, int creation_flags, + int64_t speed, BlockdevOnError on_error, + const char *filter_node_name, + BlockCompletionFunc *cb, void *opaque, + bool auto_complete, Error **errp); /* * mirror_start: * @job_id: The id of the newly-created job, or %NULL to use the @@ -1168,9 +1165,24 @@ BdrvChild *bdrv_root_attach_child(BlockDriverState *child_bs, void *opaque, Error **errp); void bdrv_root_unref_child(BdrvChild *child); +/** + * Sets a BdrvChild's permissions. Avoid if the parent is a BDS; use + * bdrv_child_refresh_perms() instead and make the parent's + * .bdrv_child_perm() implementation return the correct values. + */ int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared, Error **errp); +/** + * Calls bs->drv->bdrv_child_perm() and updates the child's permission + * masks with the result. + * Drivers should invoke this function whenever an event occurs that + * makes their .bdrv_child_perm() implementation return different + * values than before, but which will not result in the block layer + * automatically refreshing the permissions. + */ +int bdrv_child_refresh_perms(BlockDriverState *bs, BdrvChild *c, Error **errp); + /* Default implementation for BlockDriver.bdrv_child_perm() that can be used by * block filters: Forward CONSISTENT_READ, WRITE, WRITE_UNCHANGED and RESIZE to * all children */ |