From: Wang Shilong <wangsl-f...@cn.fujitsu.com>
__merge_refs() and __add_missing_keys() always return 0, it is unnecessary
for the caller to check the return value.
Signed-off-by: Wang Shilong <wangsl-f...@cn.fujitsu.com>
---
fs/btrfs/backref.c | 18 +++++-------------
1 files changed, 5 insertions(+), 13 deletions(-)
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index dc200f6..3521206 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -404,7 +404,7 @@ static inline int ref_for_same_block(struct __prelim_ref
*ref1,
/*
* read tree blocks and add keys where required.
*/
-static int __add_missing_keys(struct btrfs_fs_info *fs_info,
+static void __add_missing_keys(struct btrfs_fs_info *fs_info,
struct list_head *head)
{
struct list_head *pos;
@@ -430,7 +430,6 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info,
btrfs_tree_read_unlock(eb);
free_extent_buffer(eb);
}
- return 0;
}
/*
@@ -443,7 +442,7 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info,
* having a parent).
* mode = 2: merge identical parents
*/
-static int __merge_refs(struct list_head *head, int mode)
+static void __merge_refs(struct list_head *head, int mode)
{
struct list_head *pos1;
@@ -489,7 +488,6 @@ static int __merge_refs(struct list_head *head, int mode)
}
}
- return 0;
}
/*
@@ -880,22 +878,16 @@ again:
list_splice_init(&prefs_delayed, &prefs);
- ret = __add_missing_keys(fs_info, &prefs);
- if (ret)
- goto out;
+ __add_missing_keys(fs_info, &prefs);
- ret = __merge_refs(&prefs, 1);
- if (ret)
- goto out;
+ __merge_refs(&prefs, 1);
ret = __resolve_indirect_refs(fs_info, search_commit_root, time_seq,
&prefs, extent_item_pos);
if (ret)
goto out;
- ret = __merge_refs(&prefs, 2);
- if (ret)
- goto out;
+ __merge_refs(&prefs, 2);
while (!list_empty(&prefs)) {
ref = list_first_entry(&prefs, struct __prelim_ref, list);
--
1.7.7.6
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