diff options
Diffstat (limited to 'include/sys/dsl_dataset.h')
| -rw-r--r-- | include/sys/dsl_dataset.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h index edfc5509e..1985ce824 100644 --- a/include/sys/dsl_dataset.h +++ b/include/sys/dsl_dataset.h @@ -84,6 +84,13 @@ struct dsl_pool; #define DS_FIELD_BOOKMARK_NAMES "com.delphix:bookmarks" /* + * This field is present (with value=0) if this dataset may contain large + * blocks (>128KB). If it is present, then this dataset + * is counted in the refcount of the SPA_FEATURE_LARGE_BLOCKS feature. + */ +#define DS_FIELD_LARGE_BLOCKS "org.open-zfs:large_blocks" + +/* * DS_FLAG_CI_DATASET is set if the dataset contains a file system whose * name lookups should be performed case-insensitively. */ @@ -138,6 +145,8 @@ typedef struct dsl_dataset { /* only used in syncing context, only valid for non-snapshots: */ struct dsl_dataset *ds_prev; uint64_t ds_bookmarks; /* DMU_OTN_ZAP_METADATA */ + boolean_t ds_large_blocks; + boolean_t ds_need_large_blocks; /* has internal locking: */ dsl_deadlist_t ds_deadlist; @@ -252,6 +261,8 @@ int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new, int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp); boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds); +int dsl_dataset_activate_large_blocks(const char *dsname); +void dsl_dataset_activate_large_blocks_sync_impl(uint64_t dsobj, dmu_tx_t *tx); int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf); |