Hello Fujita-san, On Fri, Aug 29, 2008 at 05:19:56PM +0900, FUJITA Tomonori wrote: > On Fri, 29 Aug 2008 10:01:24 +0200 > Jens Axboe <jens.axboe@xxxxxxxxxx> wrote: > > > What about eg ide-cd? > > I'm always SCSI biased. > > > = > From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Subject: [PATCH] remove blk_register_filter and blk_unregister_filter in gendisk > > This patch remove blk_register_filter and blk_unregister_filter in > gendisk, and adds them to sd.c, sr.c. and ide-cd.c > > The commit abf5439370491dd6fbb4fe1a7939680d2a9bc9d4 moved cmdfilter > from gendisk to request_queue. It turned out that in some subsystems > multiple gendisks share a single request_queue. So we get: > > Using physmap partition information > Creating 3 MTD partitions on "physmap-flash": > 0x00000000-0x01c00000 : "User FS" > 0x01c00000-0x01c40000 : "booter" > kobject (8511c410): tried to init an initialized object, something is seriously wrong. > Call Trace: > [<8036644c>] dump_stack+0x8/0x34 > [<8021f050>] kobject_init+0x50/0xcc > [<8021fa18>] kobject_init_and_add+0x24/0x58 > [<8021d20c>] blk_register_filter+0x4c/0x64 > [<8021c194>] add_disk+0x78/0xe0 > [<8027d14c>] add_mtd_blktrans_dev+0x254/0x278 > [<8027c8f0>] blktrans_notify_add+0x40/0x78 > [<80279c00>] add_mtd_device+0xd0/0x150 > [<8027b090>] add_mtd_partitions+0x568/0x5d8 > [<80285458>] physmap_flash_probe+0x2ac/0x334 > [<802644f8>] driver_probe_device+0x12c/0x244 > [<8026465c>] __driver_attach+0x4c/0x84 > [<80263c64>] bus_for_each_dev+0x58/0xac > [<802633ec>] bus_add_driver+0xc4/0x24c > [<802648e0>] driver_register+0xcc/0x184 > [<80100460>] _stext+0x60/0x1bc > > In the long term, we need to fix such subsystems but we need a quick > fix now. This patch add the command filter support to only sd and sr > though it might be useful for other SG_IO users (such as cciss). > > Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Reported-by: Manuel Lauss <mano@xxxxxxxxxxxxxxxxxxxxxxx> > Cc: Jens Axboe <jens.axboe@xxxxxxxxxx> Thank you very much, works as advertised! ManuelLauss -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
