From: Joe Thornber Date: Fri, 9 Aug 2013 11:48:42 +0000 (+0100) Subject: dm btree: use pop_frame in dm_btree_del to cleanup code X-Git-Tag: upstream/snapshot3+hdmi~4360^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cd5acf0b445030cd8b5bfd818f464997652485e5;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git 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 Signed-off-by: Mike Snitzer Signed-off-by: Alasdair G Kergon --- diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 3586542..e872996 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); } }