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dm btree: use pop_frame in dm_btree_del to cleanup code

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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>
This commit is contained in:
Joe Thornber 2013-08-09 12:48:42 +01:00 committed by Mike Snitzer
parent c9ec5d7c7b
commit cd5acf0b44
1 changed files with 1 additions and 1 deletions
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2
drivers/md/persistent-data/dm-btree.c
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@ -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);
}
}