[PATCH] reiserfs: add missing llseek method

Reiserfs currently doesn't set a llseek method for regular files, which
means it will fall back to default_llseek.  This means no one can seek
beyond 2 Gigabytes on reiserfs, and that there's not protection vs
the i_size updates from writers.

Signed-off-by: Christoph Hellwig <hch@lst.de>

fs/reiserfs/file.c

@@ -296,6 +296,7 @@ const struct file_operations reiserfs_file_operations = {
 	.aio_write = generic_file_aio_write,
 	.splice_read = generic_file_splice_read,
 	.splice_write = generic_file_splice_write,
+	.llseek = generic_file_llseek,
 };
 
 const struct inode_operations reiserfs_file_inode_operations = {