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btrfs: Fix comment in lookup_inline_extent_backref

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The comment wrongfully states that the owner parameter is the level of
the parent block. In fact owner is the level of the current block and
by adding 1 to it we can eventually get to the parent/root.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-06-18 14:59:26 +03:00 • committed by David Sterba
commit 16d1c062c7
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/extent-tree.c
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@ -1635,8 +1635,8 @@ int lookup_inline_extent_backref(struct btrfs_trans_handle *trans,
extra_size = -1;
/*
* Owner is our parent level, so we can just add one to get the level
* for the block we are interested in.
* Owner is our level, so we can just add one to get the level for the
* block we are interested in.
*/
if (skinny_metadata && owner < BTRFS_FIRST_FREE_OBJECTID) {
key.type = BTRFS_METADATA_ITEM_KEY;