if (strlen(sn->htag) + MAX_TAG_PREFIX_LEN >= MAXNAMELEN)
return (E2BIG);
- sn->ha = kmem_alloc(sizeof (struct dsl_ds_holdarg), KM_SLEEP);
+ sn->ha = kmem_alloc(sizeof(struct dsl_ds_holdarg), KM_PUSHPAGE);
sn->ha->temphold = B_TRUE;
sn->ha->htag = sn->htag;
}
return (0);
}
-/*
- * Determine the objset id for a given snapshot name.
- */
int
-dmu_snapshot_id(objset_t *os, const char *snapname, uint64_t *idp)
+dmu_snapshot_lookup(objset_t *os, const char *name, uint64_t *value)
{
- dsl_dataset_t *ds = os->os_dsl_dataset;
- zap_cursor_t cursor;
- zap_attribute_t attr;
- int error;
-
- if (ds->ds_phys->ds_snapnames_zapobj == 0)
- return (ENOENT);
-
- zap_cursor_init(&cursor, ds->ds_dir->dd_pool->dp_meta_objset,
- ds->ds_phys->ds_snapnames_zapobj);
-
- error = zap_cursor_move_to_key(&cursor, snapname, MT_EXACT);
- if (error) {
- zap_cursor_fini(&cursor);
- return (error);
- }
-
- error = zap_cursor_retrieve(&cursor, &attr);
- if (error) {
- zap_cursor_fini(&cursor);
- return (error);
- }
-
- *idp = attr.za_first_integer;
- zap_cursor_fini(&cursor);
-
- return (0);
+ return dsl_dataset_snap_lookup(os->os_dsl_dataset, name, value);
}
int
}
thisobj = dd->dd_phys->dd_head_dataset_obj;
- attr = kmem_alloc(sizeof (zap_attribute_t), KM_SLEEP);
+ attr = kmem_alloc(sizeof (zap_attribute_t), KM_PUSHPAGE);
dp = dd->dd_pool;
/*