Commit 7da21a02 authored May 01, 2005 by Jens Axboe Committed by Linus Torvalds May 01, 2005

[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>

parent 76530da1

drivers/cdrom/cdrom.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;