Btrfs:don't check the return value of __btrfs_add_inode_defrag

Don't need to check the return value of __btrfs_add_inode_defrag(),
since it will always return 0.

Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 41ca5fd..7f134a7 100644 (file)
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -74,7 +74,7 @@ struct inode_defrag {
  * If an existing record is found the defrag item you
  * pass in is freed
  */
-static int __btrfs_add_inode_defrag(struct inode *inode,
+static void __btrfs_add_inode_defrag(struct inode *inode,
                                    struct inode_defrag *defrag)
 {
        struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -106,11 +106,11 @@ static int __btrfs_add_inode_defrag(struct inode *inode,
        BTRFS_I(inode)->in_defrag = 1;
        rb_link_node(&defrag->rb_node, parent, p);
        rb_insert_color(&defrag->rb_node, &root->fs_info->defrag_inodes);
-       return 0;
+       return;
 
 exists:
        kfree(defrag);
-       return 0;
+       return;
 
 }
 
@@ -123,7 +123,6 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
 {
        struct btrfs_root *root = BTRFS_I(inode)->root;
        struct inode_defrag *defrag;
-       int ret = 0;
        u64 transid;
 
        if (!btrfs_test_opt(root, AUTO_DEFRAG))
@@ -150,9 +149,9 @@ int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans,
 
        spin_lock(&root->fs_info->defrag_inodes_lock);
        if (!BTRFS_I(inode)->in_defrag)
-               ret = __btrfs_add_inode_defrag(inode, defrag);
+               __btrfs_add_inode_defrag(inode, defrag);
        spin_unlock(&root->fs_info->defrag_inodes_lock);
-       return ret;
+       return 0;
 }
 
 /*