btrfs: rename err to ret in btrfs_link()

Unify naming of return value to the preferred way.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6114104db63b051fc8a97c3da73fab55e9118b7f..3a5f61f21e4cbbc7419d198dcabbe27208ce6de7 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6802,7 +6802,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
        struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
        struct fscrypt_name fname;
        u64 index;
-       int err;
+       int ret;
        int drop_inode = 0;
 
        /* do not allow sys_link's with other subvols of the same device */
@@ -6812,12 +6812,12 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
        if (inode->i_nlink >= BTRFS_LINK_MAX)
                return -EMLINK;
 
-       err = fscrypt_setup_filename(dir, &dentry->d_name, 0, &fname);
-       if (err)
+       ret = fscrypt_setup_filename(dir, &dentry->d_name, 0, &fname);
+       if (ret)
                goto fail;
 
-       err = btrfs_set_inode_index(BTRFS_I(dir), &index);
-       if (err)
+       ret = btrfs_set_inode_index(BTRFS_I(dir), &index);
+       if (ret)
                goto fail;
 
        /*
@@ -6828,7 +6828,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
         */
        trans = btrfs_start_transaction(root, inode->i_nlink ? 5 : 6);
        if (IS_ERR(trans)) {
-               err = PTR_ERR(trans);
+               ret = PTR_ERR(trans);
                trans = NULL;
                goto fail;
        }
@@ -6841,24 +6841,24 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
        ihold(inode);
        set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags);
 
-       err = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode),
+       ret = btrfs_add_link(trans, BTRFS_I(dir), BTRFS_I(inode),
                             &fname.disk_name, 1, index);
 
-       if (err) {
+       if (ret) {
                drop_inode = 1;
        } else {
                struct dentry *parent = dentry->d_parent;
 
-               err = btrfs_update_inode(trans, BTRFS_I(inode));
-               if (err)
+               ret = btrfs_update_inode(trans, BTRFS_I(inode));
+               if (ret)
                        goto fail;
                if (inode->i_nlink == 1) {
                        /*
                         * If new hard link count is 1, it's a file created
                         * with open(2) O_TMPFILE flag.
                         */
-                       err = btrfs_orphan_del(trans, BTRFS_I(inode));
-                       if (err)
+                       ret = btrfs_orphan_del(trans, BTRFS_I(inode));
+                       if (ret)
                                goto fail;
                }
                d_instantiate(dentry, inode);
@@ -6874,7 +6874,7 @@ fail:
                iput(inode);
        }
        btrfs_btree_balance_dirty(fs_info);
-       return err;
+       return ret;
 }
 
 static struct dentry *btrfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,