Re: 2.6.0-mm2

[Jens Axboe <axboe@suse.de>]

On Mon, Dec 29 2003, Diego Calleja wrote:
> El Mon, 29 Dec 2003 21:57:26 +0100 Felipe Alfaro Solana <felipe_alfaro@linuxmail.org> escribió:
> 
> > The same happens here. cdrecord is broken under -mm, but works fine with
> > plain 2.6.0.
> 
> 
> 
> I'm seeing the same here:
> 
> open("/dev/cd-rw", O_RDWR|O_NONBLOCK)   = -1 EROFS (Read-only file system)
> write(2, "cdrecord.mmap: Read-only file sy"..., 89cdrecord.mmap: Read-only file system. Cannot open '/dev/cd-rw'. Cannot open SCSI driver.) = 89

--- drivers/cdrom/cdrom.c~	2003-12-29 15:58:55.698005022 +0100
+++ drivers/cdrom/cdrom.c	2003-12-29 16:01:32.555918156 +0100
@@ -740,20 +740,21 @@
 
 	cdinfo(CD_OPEN, "entering cdrom_open\n"); 
 	cdi->use_count++;
-	ret = -EROFS;
-	if (fp->f_mode & FMODE_WRITE) {
-		if (!CDROM_CAN(CDC_RAM))
-			goto out;
-		if (cdrom_open_write(cdi))
-			goto out;
-	}
 
 	/* if this was a O_NONBLOCK open and we should honor the flags,
 	 * do a quick open without drive/disc integrity checks. */
 	if ((fp->f_flags & O_NONBLOCK) && (cdi->options & CDO_USE_FFLAGS))
 		ret = cdi->ops->open(cdi, 1);
-	else
+	else {
+		if (fp->f_mode & FMODE_WRITE) {
+			ret = -EROFS;
+			if (!CDROM_CAN(CDC_RAM))
+				goto out;
+			if (cdrom_open_write(cdi))
+				goto out;
+		}
 		ret = open_for_data(cdi);
+	}
 
 	cdinfo(CD_OPEN, "Use count for \"/dev/%s\" now %d\n", cdi->name, cdi->use_count);
 	/* Do this on open.  Don't wait for mount, because they might

Fix is with andrew for -mm3

-- 
Jens Axboe