From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756487Ab0GGOwA (ORCPT ); Wed, 7 Jul 2010 10:52:00 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:62640 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756248Ab0GGOvx (ORCPT ); Wed, 7 Jul 2010 10:51:53 -0400 From: Arnd Bergmann To: Jens Axboe Cc: Christoph Hellwig , Sam Ravnborg , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, John Kacur , Frederic Weisbecker , linux-scsi@vger.kernel.org, Arnd Bergmann Subject: [PATCH 0/7] block: BKL removal, version 4 Date: Wed, 7 Jul 2010 16:51:22 +0200 Message-Id: <1278514289-21054-1-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.6.3.3 X-Provags-ID: V02:K0:Z5nMDBbbDoSUMO/2awxazH8Rl2Mpdw2KACWLkiN1h8J 5qvfDkWvpcg3pjTbyYb+qhUbgZxjJG1XgMhC8oRze1M+MUlTR7 3elpKZ9Nfqqjul3pUgGpqsCyWbdWWtEqXuSeNwxr7As/PpgOXM sbnYvd4unTsfJhyZl6GC0T3G8bM3dKTamUCVMpIRMQoXe0zX1M LkPjqyimgmEsj57WLBYjQ== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series removes the big kernel lock from the common block layer code by pushing it into the individual device drivers. This version incorporates further changes to address comments from Christoph Hellwig and Sam Ravnborg, many thanks for the valuable feedback! I'd like to get this into 2.6.36 in order to remove the BKL from all the core kernel code. Once Christoph is happy with the series, in particular the third patch, I'd like to add it to linux-next for broader testing, preferrably though Jens Axboe's linux-2.6-block.git tree. Arnd Bergmann (7): scsi/i2o_block: cleanup ioctl handling block: push down BKL into .locked_ioctl block: push down BKL into .open and .release block: push BKL into blktrace ioctls block: remove BKL from BLKROSET and BLKFLSBUF block: remove BKL from partition ioctls scsi/sd: remove big kernel lock arch/um/drivers/ubd_kern.c | 7 ++++- block/compat_ioctl.c | 56 ----------------------------------- block/ioctl.c | 21 +------------ drivers/block/DAC960.c | 13 +++++-- drivers/block/amiflop.c | 29 +++++++++++++++-- drivers/block/aoe/aoeblk.c | 4 ++ drivers/block/ataflop.c | 32 +++++++++++++++++-- drivers/block/brd.c | 5 ++- drivers/block/cciss.c | 31 +++++++++++++++---- drivers/block/cpqarray.c | 40 ++++++++++++++++++++++--- drivers/block/drbd/drbd_main.c | 4 ++ drivers/block/floppy.c | 22 ++++++++++++- drivers/block/loop.c | 5 +++ drivers/block/nbd.c | 5 ++- drivers/block/paride/pcd.c | 21 +++++++++++-- drivers/block/paride/pd.c | 9 +++++- drivers/block/paride/pf.c | 26 ++++++++++++---- drivers/block/pktcdvd.c | 18 +++++++++-- drivers/block/swim.c | 20 +++++++++++- drivers/block/swim3.c | 32 ++++++++++++++++++-- drivers/block/ub.c | 27 +++++++++++++++-- drivers/block/viodasd.c | 19 +++++++++++- drivers/block/virtio_blk.c | 17 +++++++++- drivers/block/xd.c | 17 +++++++++- drivers/block/xen-blkfront.c | 9 +++++- drivers/block/xsysace.c | 6 ++++ drivers/block/z2ram.c | 13 ++++++-- drivers/cdrom/gdrom.c | 19 ++++++++++-- drivers/cdrom/viocd.c | 21 +++++++++++-- drivers/ide/ide-cd.c | 32 +++++++++++++++---- drivers/ide/ide-disk_ioctl.c | 9 ++++- drivers/ide/ide-floppy_ioctl.c | 12 +++++-- drivers/ide/ide-gd.c | 19 ++++++++++- drivers/ide/ide-tape.c | 19 ++++++++++-- drivers/md/dm.c | 7 ++++ drivers/md/md.c | 6 ++++ drivers/memstick/core/mspro_block.c | 9 +++++- drivers/message/i2o/i2o_block.c | 4 ++ drivers/mmc/card/block.c | 5 +++ drivers/mtd/mtd_blkdevs.c | 11 +++++- drivers/s390/block/dasd.c | 6 ++++ drivers/s390/block/dcssblk.c | 5 +++ drivers/s390/char/tape_block.c | 8 ++++- drivers/scsi/sd.c | 25 ++++++++++----- drivers/scsi/sd.h | 2 +- drivers/scsi/sr.c | 25 ++++++++++++---- drivers/staging/hv/blkvsc_drv.c | 5 +++ fs/block_dev.c | 10 +----- include/linux/blkdev.h | 1 - include/linux/blktrace_api.h | 12 +++++++ kernel/trace/blktrace.c | 43 ++++++++++++++++++++++++++ 51 files changed, 637 insertions(+), 186 deletions(-)