ext4: remove extra IS_RDONLY() check

ext4_change_inode_journal_flag() is only called from one location:
ext4_ioctl(EXT3_IOC_SETFLAGS).  That ioctl case already has a IS_RDONLY()
call in it so this one is superfluous.

Signed-off-by: Dave Hansen <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Dave Kleikamp <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>

Author: hansendc

fs/ext4/inode.c

@@ -3275,7 +3275,7 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
 	 */
 
 	journal = EXT4_JOURNAL(inode);
-	if (is_journal_aborted(journal) || IS_RDONLY(inode))
+	if (is_journal_aborted(journal))
 		return -EROFS;
 
 	jbd2_journal_lock_updates(journal);