diff options
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 187 |
1 files changed, 110 insertions, 77 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index f789ce3ae0..29958c512b 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -838,9 +838,10 @@ int qcow2_mark_dirty(BlockDriverState *bs); int qcow2_mark_corrupt(BlockDriverState *bs); int qcow2_update_header(BlockDriverState *bs); -void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset, - int64_t size, const char *message_format, ...) - G_GNUC_PRINTF(5, 6); +void GRAPH_RDLOCK +qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset, + int64_t size, const char *message_format, ...) + G_GNUC_PRINTF(5, 6); int qcow2_validate_table(BlockDriverState *bs, uint64_t offset, uint64_t entries, size_t entry_len, @@ -851,33 +852,41 @@ int qcow2_validate_table(BlockDriverState *bs, uint64_t offset, int coroutine_fn GRAPH_RDLOCK qcow2_refcount_init(BlockDriverState *bs); void qcow2_refcount_close(BlockDriverState *bs); -int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index, - uint64_t *refcount); +int GRAPH_RDLOCK qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index, + uint64_t *refcount); -int qcow2_update_cluster_refcount(BlockDriverState *bs, int64_t cluster_index, - uint64_t addend, bool decrease, - enum qcow2_discard_type type); +int GRAPH_RDLOCK +qcow2_update_cluster_refcount(BlockDriverState *bs, int64_t cluster_index, + uint64_t addend, bool decrease, + enum qcow2_discard_type type); -int64_t qcow2_refcount_area(BlockDriverState *bs, uint64_t offset, - uint64_t additional_clusters, bool exact_size, - int new_refblock_index, - uint64_t new_refblock_offset); +int64_t GRAPH_RDLOCK +qcow2_refcount_area(BlockDriverState *bs, uint64_t offset, + uint64_t additional_clusters, bool exact_size, + int new_refblock_index, + uint64_t new_refblock_offset); -int64_t qcow2_alloc_clusters(BlockDriverState *bs, uint64_t size); -int64_t coroutine_fn qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset, - int64_t nb_clusters); -int64_t coroutine_fn GRAPH_RDLOCK qcow2_alloc_bytes(BlockDriverState *bs, int size); -void qcow2_free_clusters(BlockDriverState *bs, - int64_t offset, int64_t size, - enum qcow2_discard_type type); -void qcow2_free_any_cluster(BlockDriverState *bs, uint64_t l2_entry, - enum qcow2_discard_type type); +int64_t GRAPH_RDLOCK +qcow2_alloc_clusters(BlockDriverState *bs, uint64_t size); -int qcow2_update_snapshot_refcount(BlockDriverState *bs, - int64_t l1_table_offset, int l1_size, int addend); +int64_t GRAPH_RDLOCK coroutine_fn +qcow2_alloc_clusters_at(BlockDriverState *bs, uint64_t offset, + int64_t nb_clusters); -int qcow2_flush_caches(BlockDriverState *bs); -int qcow2_write_caches(BlockDriverState *bs); +int64_t coroutine_fn GRAPH_RDLOCK qcow2_alloc_bytes(BlockDriverState *bs, int size); +void GRAPH_RDLOCK qcow2_free_clusters(BlockDriverState *bs, + int64_t offset, int64_t size, + enum qcow2_discard_type type); +void GRAPH_RDLOCK +qcow2_free_any_cluster(BlockDriverState *bs, uint64_t l2_entry, + enum qcow2_discard_type type); + +int GRAPH_RDLOCK +qcow2_update_snapshot_refcount(BlockDriverState *bs, int64_t l1_table_offset, + int l1_size, int addend); + +int GRAPH_RDLOCK qcow2_flush_caches(BlockDriverState *bs); +int GRAPH_RDLOCK qcow2_write_caches(BlockDriverState *bs); int coroutine_fn qcow2_check_refcounts(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); @@ -885,39 +894,48 @@ void qcow2_process_discards(BlockDriverState *bs, int ret); int qcow2_check_metadata_overlap(BlockDriverState *bs, int ign, int64_t offset, int64_t size); -int qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset, - int64_t size, bool data_file); +int GRAPH_RDLOCK +qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset, + int64_t size, bool data_file); + int coroutine_fn qcow2_inc_refcounts_imrt(BlockDriverState *bs, BdrvCheckResult *res, void **refcount_table, int64_t *refcount_table_size, int64_t offset, int64_t size); -int qcow2_change_refcount_order(BlockDriverState *bs, int refcount_order, - BlockDriverAmendStatusCB *status_cb, - void *cb_opaque, Error **errp); +int GRAPH_RDLOCK +qcow2_change_refcount_order(BlockDriverState *bs, int refcount_order, + BlockDriverAmendStatusCB *status_cb, + void *cb_opaque, Error **errp); int coroutine_fn GRAPH_RDLOCK qcow2_shrink_reftable(BlockDriverState *bs); -int64_t coroutine_fn qcow2_get_last_cluster(BlockDriverState *bs, int64_t size); + +int64_t coroutine_fn GRAPH_RDLOCK +qcow2_get_last_cluster(BlockDriverState *bs, int64_t size); int coroutine_fn GRAPH_RDLOCK qcow2_detect_metadata_preallocation(BlockDriverState *bs); /* qcow2-cluster.c functions */ -int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, - bool exact_size); +int GRAPH_RDLOCK +qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size, bool exact_size); int coroutine_fn GRAPH_RDLOCK qcow2_shrink_l1_table(BlockDriverState *bs, uint64_t max_size); -int qcow2_write_l1_entry(BlockDriverState *bs, int l1_index); +int GRAPH_RDLOCK qcow2_write_l1_entry(BlockDriverState *bs, int l1_index); int qcow2_encrypt_sectors(BDRVQcow2State *s, int64_t sector_num, uint8_t *buf, int nb_sectors, bool enc, Error **errp); -int qcow2_get_host_offset(BlockDriverState *bs, uint64_t offset, - unsigned int *bytes, uint64_t *host_offset, - QCow2SubclusterType *subcluster_type); -int coroutine_fn qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset, - unsigned int *bytes, - uint64_t *host_offset, QCowL2Meta **m); +int GRAPH_RDLOCK +qcow2_get_host_offset(BlockDriverState *bs, uint64_t offset, + unsigned int *bytes, uint64_t *host_offset, + QCow2SubclusterType *subcluster_type); + +int coroutine_fn GRAPH_RDLOCK +qcow2_alloc_host_offset(BlockDriverState *bs, uint64_t offset, + unsigned int *bytes, uint64_t *host_offset, + QCowL2Meta **m); + int coroutine_fn GRAPH_RDLOCK qcow2_alloc_compressed_cluster_offset(BlockDriverState *bs, uint64_t offset, int compressed_size, uint64_t *host_offset); @@ -927,26 +945,33 @@ void qcow2_parse_compressed_l2_entry(BlockDriverState *bs, uint64_t l2_entry, int coroutine_fn GRAPH_RDLOCK qcow2_alloc_cluster_link_l2(BlockDriverState *bs, QCowL2Meta *m); -void coroutine_fn qcow2_alloc_cluster_abort(BlockDriverState *bs, QCowL2Meta *m); -int qcow2_cluster_discard(BlockDriverState *bs, uint64_t offset, - uint64_t bytes, enum qcow2_discard_type type, - bool full_discard); +void coroutine_fn GRAPH_RDLOCK +qcow2_alloc_cluster_abort(BlockDriverState *bs, QCowL2Meta *m); + +int GRAPH_RDLOCK +qcow2_cluster_discard(BlockDriverState *bs, uint64_t offset, uint64_t bytes, + enum qcow2_discard_type type, bool full_discard); int coroutine_fn GRAPH_RDLOCK qcow2_subcluster_zeroize(BlockDriverState *bs, uint64_t offset, uint64_t bytes, int flags); -int qcow2_expand_zero_clusters(BlockDriverState *bs, - BlockDriverAmendStatusCB *status_cb, - void *cb_opaque); +int GRAPH_RDLOCK +qcow2_expand_zero_clusters(BlockDriverState *bs, + BlockDriverAmendStatusCB *status_cb, + void *cb_opaque); /* qcow2-snapshot.c functions */ -int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); -int qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); -int qcow2_snapshot_delete(BlockDriverState *bs, - const char *snapshot_id, - const char *name, - Error **errp); +int GRAPH_RDLOCK +qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info); + +int GRAPH_RDLOCK +qcow2_snapshot_goto(BlockDriverState *bs, const char *snapshot_id); + +int GRAPH_RDLOCK +qcow2_snapshot_delete(BlockDriverState *bs, const char *snapshot_id, + const char *name, Error **errp); + int qcow2_snapshot_list(BlockDriverState *bs, QEMUSnapshotInfo **psn_tab); int qcow2_snapshot_load_tmp(BlockDriverState *bs, const char *snapshot_id, @@ -956,15 +981,15 @@ int qcow2_snapshot_load_tmp(BlockDriverState *bs, void qcow2_free_snapshots(BlockDriverState *bs); int coroutine_fn GRAPH_RDLOCK qcow2_read_snapshots(BlockDriverState *bs, Error **errp); -int qcow2_write_snapshots(BlockDriverState *bs); +int GRAPH_RDLOCK qcow2_write_snapshots(BlockDriverState *bs); int coroutine_fn GRAPH_RDLOCK qcow2_check_read_snapshot_table(BlockDriverState *bs, BdrvCheckResult *result, BdrvCheckMode fix); -int coroutine_fn qcow2_check_fix_snapshot_table(BlockDriverState *bs, - BdrvCheckResult *result, - BdrvCheckMode fix); +int coroutine_fn GRAPH_RDLOCK +qcow2_check_fix_snapshot_table(BlockDriverState *bs, BdrvCheckResult *result, + BdrvCheckMode fix); /* qcow2-cache.c functions */ Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables, @@ -972,19 +997,23 @@ Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables, int qcow2_cache_destroy(Qcow2Cache *c); void qcow2_cache_entry_mark_dirty(Qcow2Cache *c, void *table); -int qcow2_cache_flush(BlockDriverState *bs, Qcow2Cache *c); -int qcow2_cache_write(BlockDriverState *bs, Qcow2Cache *c); -int qcow2_cache_set_dependency(BlockDriverState *bs, Qcow2Cache *c, - Qcow2Cache *dependency); +int GRAPH_RDLOCK qcow2_cache_flush(BlockDriverState *bs, Qcow2Cache *c); +int GRAPH_RDLOCK qcow2_cache_write(BlockDriverState *bs, Qcow2Cache *c); +int GRAPH_RDLOCK qcow2_cache_set_dependency(BlockDriverState *bs, Qcow2Cache *c, + Qcow2Cache *dependency); void qcow2_cache_depends_on_flush(Qcow2Cache *c); void qcow2_cache_clean_unused(Qcow2Cache *c); -int qcow2_cache_empty(BlockDriverState *bs, Qcow2Cache *c); +int GRAPH_RDLOCK qcow2_cache_empty(BlockDriverState *bs, Qcow2Cache *c); + +int GRAPH_RDLOCK +qcow2_cache_get(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, + void **table); + +int GRAPH_RDLOCK +qcow2_cache_get_empty(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, + void **table); -int qcow2_cache_get(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table); -int qcow2_cache_get_empty(BlockDriverState *bs, Qcow2Cache *c, uint64_t offset, - void **table); void qcow2_cache_put(Qcow2Cache *c, void **table); void *qcow2_cache_is_table_offset(Qcow2Cache *c, uint64_t offset); void qcow2_cache_discard(Qcow2Cache *c, void *table); @@ -998,18 +1027,22 @@ bool coroutine_fn GRAPH_RDLOCK qcow2_load_dirty_bitmaps(BlockDriverState *bs, bool *header_updated, Error **errp); bool qcow2_get_bitmap_info_list(BlockDriverState *bs, Qcow2BitmapInfoList **info_list, Error **errp); -int qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp); +int GRAPH_RDLOCK qcow2_reopen_bitmaps_rw(BlockDriverState *bs, Error **errp); +int GRAPH_RDLOCK qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp); int coroutine_fn qcow2_truncate_bitmaps_check(BlockDriverState *bs, Error **errp); -bool qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, - bool release_stored, Error **errp); -int qcow2_reopen_bitmaps_ro(BlockDriverState *bs, Error **errp); -bool coroutine_fn qcow2_co_can_store_new_dirty_bitmap(BlockDriverState *bs, - const char *name, - uint32_t granularity, - Error **errp); -int coroutine_fn qcow2_co_remove_persistent_dirty_bitmap(BlockDriverState *bs, - const char *name, - Error **errp); + +bool GRAPH_RDLOCK +qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, bool release_stored, + Error **errp); + +bool coroutine_fn GRAPH_RDLOCK +qcow2_co_can_store_new_dirty_bitmap(BlockDriverState *bs, const char *name, + uint32_t granularity, Error **errp); + +int coroutine_fn GRAPH_RDLOCK +qcow2_co_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name, + Error **errp); + bool qcow2_supports_persistent_dirty_bitmap(BlockDriverState *bs); uint64_t qcow2_get_persistent_dirty_bitmap_size(BlockDriverState *bs, uint32_t cluster_size); |