ext4: Code cleanup for EXT4_IOC_MOVE_EXT ioctl

a) Fix sparse warning in ext4_ioctl()
b) Remove unneeded variable in mext_leaf_block()
c) Fix spelling typo in mext_check_arguments()

Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 2220feb..016d024 100644 (file)
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -258,7 +258,8 @@ setversion_out:
                if (me.moved_len > 0)
                        file_remove_suid(donor_filp);
 
-               if (copy_to_user((struct move_extent *)arg, &me, sizeof(me)))
+               if (copy_to_user((struct move_extent __user *)arg, 
+                                &me, sizeof(me)))
                        err = -EFAULT;
 mext_out:
                fput(donor_filp);

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 7e99f4e..aa5fe28 100644 (file)
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -477,7 +477,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
        struct ext4_extent *oext, *o_start, *o_end, *prev_ext;
        struct ext4_extent new_ext, start_ext, end_ext;
        ext4_lblk_t new_ext_end;
-       ext4_fsblk_t new_phys_end;
        int oext_alen, new_ext_alen, end_ext_alen;
        int depth = ext_depth(orig_inode);
        int ret;
@@ -491,7 +490,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
        new_ext.ee_len = dext->ee_len;
        new_ext_alen = ext4_ext_get_actual_len(&new_ext);
        new_ext_end = le32_to_cpu(new_ext.ee_block) + new_ext_alen - 1;
-       new_phys_end = ext_pblock(&new_ext) + new_ext_alen - 1;
 
        /*
         * Case: original extent is first
@@ -932,7 +930,7 @@ out2:
 }
 
 /**
- * mext_check_argumants - Check whether move extent can be done
+ * mext_check_arguments - Check whether move extent can be done
  *
  * @orig_inode:                original inode
  * @donor_inode:       donor inode