[PATCH] Improve CD/DVD packet driver write performance

This patch improves write performance for the CD/DVD packet writing driver.
 The logic for switching between reading and writing has been changed so
that streaming writes are no longer interrupted by read requests.

Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/pktcdvd.h b/include/linux/pktcdvd.h
index 4e2d2a942ecb..4b32bce9a289 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -159,7 +159,7 @@ struct packet_iosched
         struct bio              *read_queue_tail;
         struct bio              *write_queue;
         struct bio              *write_queue_tail;
-        int                     high_prio_read; /* An important read request has been queued */
+        sector_t                last_write;     /* The sector where the last write ended */
         int                     successive_reads;
 };