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btrfs: Remove root argument in extent_data_ref_count() 

Because it is never used.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Zhaolei 2015-08-06 22:16:24 +08:00 committed by Chris Mason
parent d02207512d
commit 9ed0dea09f
1 changed files with 2 additions and 3 deletions
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5
fs/btrfs/extent-tree.c
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@ -1316,8 +1316,7 @@ static noinline int remove_extent_data_ref(struct btrfs_trans_handle *trans,
return ret;
}
static noinline u32 extent_data_ref_count(struct btrfs_root *root,
struct btrfs_path *path,
static noinline u32 extent_data_ref_count(struct btrfs_path *path,
struct btrfs_extent_inline_ref *iref)
{
struct btrfs_key key;
@ -6349,7 +6348,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
} else {
if (found_extent) {
BUG_ON(is_data && refs_to_drop !=
extent_data_ref_count(root, path, iref));
extent_data_ref_count(path, iref));
if (iref) {
BUG_ON(path->slots[0] != extent_slot);
} else {