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authorJens Axboe <axboe@suse.de>2005-05-01 12:12:52 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 12:12:52 -0700
commit7da21a02b3587157bd43910ea6d4c76661228ebb (patch)
tree192ac868b9d0854d31fb04a21a968796892cbf94
parent76530da1a9e8ce05963b1f49a098eddc6ec6c534 (diff)
[PATCH] Avoid unnecessary ide-cd cache flushes
Only issue a cdrom cache flush if we've done write to the drive. The ->media_written() flag keeps track of that. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/cdrom/cdrom.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 9deca49c71f0..beaa561f2ed8 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -645,7 +645,7 @@ static int cdrom_mrw_exit(struct cdrom_device_info *cdi)
ret = cdrom_mrw_bgformat_susp(cdi, 0);
}
- if (!ret)
+ if (!ret && cdi->media_written)
ret = cdrom_flush_cache(cdi);
return ret;

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