diff options
| -rw-r--r-- | include/sys/fs/zfs.h | 1 | ||||
| -rw-r--r-- | module/zcommon/zfs_prop.c | 2 | ||||
| -rw-r--r-- | module/zfs/dsl_dataset.c | 6 |
3 files changed, 9 insertions, 0 deletions
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h index 4da144c72..536fab785 100644 --- a/include/sys/fs/zfs.h +++ b/include/sys/fs/zfs.h @@ -155,6 +155,7 @@ typedef enum { ZFS_PROP_RELATIME, ZFS_PROP_REDUNDANT_METADATA, ZFS_PROP_OVERLAY, + ZFS_PROP_PREV_SNAP, ZFS_NUM_PROPS } zfs_prop_t; diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c index aaebab444..5a88cbe6c 100644 --- a/module/zcommon/zfs_prop.c +++ b/module/zcommon/zfs_prop.c @@ -452,6 +452,8 @@ zfs_prop_init(void) PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID"); zprop_register_hidden(ZFS_PROP_INCONSISTENT, "inconsistent", PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, "INCONSISTENT"); + zprop_register_hidden(ZFS_PROP_PREV_SNAP, "prevsnap", PROP_TYPE_STRING, + PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "PREVSNAP"); /* * Property to be removed once libbe is integrated diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c index edc5ea17a..9c017124a 100644 --- a/module/zfs/dsl_dataset.c +++ b/module/zfs/dsl_dataset.c @@ -1695,6 +1695,12 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv) dsl_dataset_phys(ds)->ds_unique_bytes); get_clones_stat(ds, nv); } else { + if (ds->ds_prev != NULL && ds->ds_prev != dp->dp_origin_snap) { + char buf[MAXNAMELEN]; + dsl_dataset_name(ds->ds_prev, buf); + dsl_prop_nvlist_add_string(nv, ZFS_PROP_PREV_SNAP, buf); + } + dsl_dir_stats(ds->ds_dir, nv); } |