'end' shadows earlier one and is not necessary at all.  Remove it and use
'pos' instead.  This removes following sparse warnings:
 mm/filemap.c:2180:24: warning: symbol 'end' shadows an earlier one
 mm/filemap.c:2132:25: originally declared here
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        }
 
        if (written > 0) {
-               loff_t end = pos + written;
-               if (end > i_size_read(inode) && !S_ISBLK(inode->i_mode)) {
-                       i_size_write(inode,  end);
+               pos += written;
+               if (pos > i_size_read(inode) && !S_ISBLK(inode->i_mode)) {
+                       i_size_write(inode, pos);
                        mark_inode_dirty(inode);
                }
-               *ppos = end;
+               *ppos = pos;
        }
 out:
        return written;