btrfs: unpin_extent_cache: fix the typo and unnecessary arguements

- unpint->unpin
- prealloc is no more used

Signed-off-by: Liu Bo <liub.liubo@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Liu Bo 2012-10-30 17:13:52 +08:00 committed by Jiri Kosina
parent 6efb3c0a2c
commit 52b1de91ea

View File

@ -234,12 +234,11 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
}
/**
* unpint_extent_cache - unpin an extent from the cache
* unpin_extent_cache - unpin an extent from the cache
* @tree: tree to unpin the extent in
* @start: logical offset in the file
* @len: length of the extent
* @gen: generation that this extent has been modified in
* @prealloc: if this is set we need to clear the prealloc flag
*
* Called after an extent has been written to disk properly. Set the generation
* to the generation that actually added the file item to the inode so we know