diff options
| author | Joe Thornber <ejt@redhat.com> | 2016-10-05 10:40:39 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2017-02-16 13:12:50 -0500 |
| commit | 9b696229aa7de356675a938c6c8a70b46085ed66 (patch) | |
| tree | 19ab9da696f91ed4987a091854d8a8cd8dd6a5bb /drivers/md/persistent-data/dm-btree.c | |
| parent | 683bb1a3742bb0c8768711aa5ff1034d92e447f2 (diff) | |
dm persistent data: add cursor skip functions to the cursor APIs
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/persistent-data/dm-btree.c')
| -rw-r--r-- | drivers/md/persistent-data/dm-btree.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 1744f3618a55..02e2ee0d8a00 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -1144,6 +1144,17 @@ int dm_btree_cursor_next(struct dm_btree_cursor *c) } EXPORT_SYMBOL_GPL(dm_btree_cursor_next); +int dm_btree_cursor_skip(struct dm_btree_cursor *c, uint32_t count) +{ + int r = 0; + + while (count-- && !r) + r = dm_btree_cursor_next(c); + + return r; +} +EXPORT_SYMBOL_GPL(dm_btree_cursor_skip); + int dm_btree_cursor_get_value(struct dm_btree_cursor *c, uint64_t *key, void *value_le) { if (c->depth) { |