btrfs: rename err to ret in btrfs_fill_super()

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/super.c b/fs/btrfs/super.c
index 73c6c5b9b07a6c0240307276b4a8515d941613a2..a8dfbb84c15c4ed76c90a2a94ac87428268bbaa2 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -961,7 +961,7 @@ static int btrfs_fill_super(struct super_block *sb,
 {
        struct btrfs_inode *inode;
        struct btrfs_fs_info *fs_info = btrfs_sb(sb);
-       int err;
+       int ret;
 
        sb->s_maxbytes = MAX_LFS_FILESIZE;
        sb->s_magic = BTRFS_SUPER_MAGIC;
@@ -975,28 +975,28 @@ static int btrfs_fill_super(struct super_block *sb,
        sb->s_time_gran = 1;
        sb->s_iflags |= SB_I_CGROUPWB | SB_I_ALLOW_HSM;
 
-       err = super_setup_bdi(sb);
-       if (err) {
+       ret = super_setup_bdi(sb);
+       if (ret) {
                btrfs_err(fs_info, "super_setup_bdi failed");
-               return err;
+               return ret;
        }
 
-       err = open_ctree(sb, fs_devices);
-       if (err) {
-               btrfs_err(fs_info, "open_ctree failed: %d", err);
-               return err;
+       ret = open_ctree(sb, fs_devices);
+       if (ret) {
+               btrfs_err(fs_info, "open_ctree failed: %d", ret);
+               return ret;
        }
 
        inode = btrfs_iget(BTRFS_FIRST_FREE_OBJECTID, fs_info->fs_root);
        if (IS_ERR(inode)) {
-               err = PTR_ERR(inode);
-               btrfs_handle_fs_error(fs_info, err, NULL);
+               ret = PTR_ERR(inode);
+               btrfs_handle_fs_error(fs_info, ret, NULL);
                goto fail_close;
        }
 
        sb->s_root = d_make_root(&inode->vfs_inode);
        if (!sb->s_root) {
-               err = -ENOMEM;
+               ret = -ENOMEM;
                goto fail_close;
        }
 
@@ -1005,7 +1005,7 @@ static int btrfs_fill_super(struct super_block *sb,
 
 fail_close:
        close_ctree(fs_info);
-       return err;
+       return ret;
 }
 
 int btrfs_sync_fs(struct super_block *sb, int wait)