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authorJoe Thornber <ejt@redhat.com>2013-08-09 12:48:42 +0100
committerMike Snitzer <snitzer@redhat.com>2013-08-23 09:02:14 -0400
commitcd5acf0b445030cd8b5bfd818f464997652485e5 (patch)
treee33aa8c38790a529271f8ab9bf3d14c1df9883c6
parentc9ec5d7c7b4c3d84bb1b39bc36c5992fceb15a91 (diff)
downloadblackbird-op-linux-cd5acf0b445030cd8b5bfd818f464997652485e5.tar.gz
blackbird-op-linux-cd5acf0b445030cd8b5bfd818f464997652485e5.zip
dm btree: use pop_frame in dm_btree_del to cleanup code
Remove a visited leaf straight away from the stack, rather than marking all it's children as visited and letting it get removed on the next iteration. May also offer a micro optimisation in dm_btree_del. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
-rw-r--r--drivers/md/persistent-data/dm-btree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index 35865425e4b4..e872996e098d 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -287,7 +287,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root)
info->value_type.dec(info->value_type.context,
value_ptr(f->n, i));
}
- f->current_child = f->nr_children;
+ pop_frame(s);
}
}
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