[PATCH] scsi_ioctl: Add WRITE_LONG_2 as write safe command

Add WRITE_LONG_2 as write safe commands, which which allows normal users to
make a c1-, c2- and cu-scan (so called cxscan) with readcd on
cxscan-capable cd/dvd-writers
Signed-off-by: NJens Axboe <axboe@suse.de>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/block/scsi_ioctl.c

@@ -168,6 +168,7 @@ static int verify_command(struct file *file, unsigned char *cmd)
 		safe_for_write(WRITE_VERIFY_12),
 		safe_for_write(WRITE_16),
 		safe_for_write(WRITE_LONG),
+		safe_for_write(WRITE_LONG_2),
 		safe_for_write(ERASE),
 		safe_for_write(GPCMD_MODE_SELECT_10),
 		safe_for_write(MODE_SELECT),