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dm btree remove: fix bug in remove_one()

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remove_one() was not incrementing the key for the beginning of the
range, so not all entries were being removed.  This resulted in
discards that were not unmapping all blocks.

Fixes: 4ec331c3ea ("dm btree: add dm_btree_remove_leaves()")
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Joe Thornber 2015-08-07 16:33:01 +01:00 committed by Mike Snitzer
parent bd4aaf8f9b
commit aa0cd28d05
1 changed files with 1 additions and 0 deletions
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drivers/md/persistent-data/dm-btree-remove.c
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@ -689,6 +689,7 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root,
value_ptr(n, index));
delete_at(n, index);
keys[last_level] = k + 1ull;
} else
r = -ENODATA;