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authorJoe Thornber <ejt@redhat.com>2013-03-02 02:45:50 +0400
committerAlasdair G Kergon <agk@redhat.com>2013-03-02 02:45:50 +0400
commit4e7f1f9089660aec3b5ab2645ce62777c6f4c6a2 (patch)
tree56f012273947dcd88e4a73944aae37d01f023b56 /drivers/md/persistent-data/dm-btree-internal.h
parentb0d8ed4d96a26ef3ac54a4aa8911c9413070662e (diff)
downloadlinux-4e7f1f9089660aec3b5ab2645ce62777c6f4c6a2.tar.xz
dm persistent data: add btree_walk
Add dm_btree_walk to iterate through the contents of a btree. This will be used by the dm cache target. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/persistent-data/dm-btree-internal.h')
-rw-r--r--drivers/md/persistent-data/dm-btree-internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h
index accbb05f17b6..37d367bb9aa8 100644
--- a/drivers/md/persistent-data/dm-btree-internal.h
+++ b/drivers/md/persistent-data/dm-btree-internal.h
@@ -64,6 +64,7 @@ struct ro_spine {
void init_ro_spine(struct ro_spine *s, struct dm_btree_info *info);
int exit_ro_spine(struct ro_spine *s);
int ro_step(struct ro_spine *s, dm_block_t new_child);
+void ro_pop(struct ro_spine *s);
struct btree_node *ro_node(struct ro_spine *s);
struct shadow_spine {