[GIT PATCH] block,scsi,ide: unify sector and data_len, take#2

[Tejun Heo <tj@kernel.org>]

Hello,

Upon ack, please pull from the following git tree.

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git block-unify-sector-and-data_len

This is the second take of block-unify-sector-and-data_len patchset.
The primary goal of this patchset is to consolidate all the similar
bug slightly different current position and data length fields in
struct request.  For detailed description, please read the description
in the last take[L].  Changes from the last take[L] are

* Acked-by:'s added

* osd resid_len conversion was missing as pointed out by Boaz Harrosh,
  fixed.

* patch to cleanup request length accessor usages after the conversion
  added.

This patchset contains the following eleven patches.

  0001-nbd-don-t-clear-rq-sector-and-nr_sectors-unnecessa.patch
  0002-ide-tape-don-t-initialize-rq-sector-for-rw-request.patch
  0003-block-add-rq-resid_len.patch
  0004-block-implement-blk_rq_pos-cur_-sectors-and-conv.patch
  0005-block-convert-to-pos-and-nr_sectors-accessors.patch
  0006-ide-convert-to-rq-pos-and-nr_sectors-accessors.patch
  0007-block-drop-request-hard_-and-nr_sectors.patch
  0008-block-cleanup-rq-data_len-usages.patch
  0009-ide-cleanup-rq-data_len-usages.patch
  0010-block-hide-request-sector-and-data_len.patch
  0011-block-blk_rq_-cur_-_-sectors-bytes-usage-cleanup.patch

This patchset is on top of

  linux-2.6-block#for-2.6.31	(f68adec3c7155a8bbf32a90cb4c4d0737df045d9)
+ linux-2.6-ide#for-next	(03682411b1ccd38cbde2e9a6ab43884ff34fbefc)

and contains the following changes.

 arch/um/drivers/ubd_kern.c               |    2 
 block/as-iosched.c                       |   18 +++--
 block/blk-barrier.c                      |    4 -
 block/blk-core.c                         |  100 ++++++++++++-------------------
 block/blk-map.c                          |    2 
 block/blk-merge.c                        |   46 ++------------
 block/blk.h                              |    1 
 block/bsg.c                              |    8 +-
 block/cfq-iosched.c                      |   30 ++++-----
 block/deadline-iosched.c                 |    2 
 block/elevator.c                         |   22 +++---
 block/scsi_ioctl.c                       |    2 
 drivers/ata/libata-scsi.c                |    2 
 drivers/block/DAC960.c                   |    6 -
 drivers/block/amiflop.c                  |    6 -
 drivers/block/ataflop.c                  |   10 +--
 drivers/block/cciss.c                    |   35 ++++------
 drivers/block/cpqarray.c                 |    9 +-
 drivers/block/floppy.c                   |   54 ++++++++--------
 drivers/block/hd.c                       |   14 ++--
 drivers/block/nbd.c                      |   19 +----
 drivers/block/paride/pcd.c               |    4 -
 drivers/block/paride/pd.c                |    8 +-
 drivers/block/paride/pf.c                |    8 +-
 drivers/block/ps3disk.c                  |    9 +-
 drivers/block/sunvdc.c                   |    2 
 drivers/block/swim3.c                    |   34 +++++-----
 drivers/block/sx8.c                      |    6 -
 drivers/block/ub.c                       |   16 ++--
 drivers/block/viodasd.c                  |    8 +-
 drivers/block/virtio_blk.c               |    2 
 drivers/block/xd.c                       |    4 -
 drivers/block/xen-blkfront.c             |   11 +--
 drivers/block/xsysace.c                  |   25 ++++---
 drivers/block/z2ram.c                    |    6 -
 drivers/cdrom/gdrom.c                    |    6 -
 drivers/cdrom/viocd.c                    |    2 
 drivers/ide/ide-atapi.c                  |   13 ----
 drivers/ide/ide-cd.c                     |   44 ++++---------
 drivers/ide/ide-disk.c                   |    8 +-
 drivers/ide/ide-dma.c                    |    2 
 drivers/ide/ide-floppy.c                 |   10 +--
 drivers/ide/ide-io.c                     |   10 +--
 drivers/ide/ide-lib.c                    |    2 
 drivers/ide/ide-tape.c                   |   11 +--
 drivers/ide/ide-taskfile.c               |    2 
 drivers/ide/pdc202xx_old.c               |    2 
 drivers/ide/tc86c001.c                   |    2 
 drivers/ide/tx4939ide.c                  |    2 
 drivers/memstick/core/mspro_block.c      |    6 -
 drivers/message/fusion/mptsas.c          |   21 +++---
 drivers/message/i2o/i2o_block.c          |   28 +++-----
 drivers/mmc/card/block.c                 |   10 +--
 drivers/mtd/mtd_blkdevs.c                |    7 +-
 drivers/s390/block/dasd.c                |    2 
 drivers/s390/block/dasd_diag.c           |    5 -
 drivers/s390/block/dasd_eckd.c           |    6 -
 drivers/s390/block/dasd_fba.c            |    7 +-
 drivers/s390/char/tape_34xx.c            |    2 
 drivers/s390/char/tape_3590.c            |    2 
 drivers/s390/char/tape_block.c           |    2 
 drivers/sbus/char/jsflash.c              |    4 -
 drivers/scsi/eata.c                      |   24 +++----
 drivers/scsi/libsas/sas_expander.c       |   14 +---
 drivers/scsi/libsas/sas_host_smp.c       |   52 ++++++++--------
 drivers/scsi/lpfc/lpfc_scsi.c            |   22 +++---
 drivers/scsi/mpt2sas/mpt2sas_transport.c |   23 +++----
 drivers/scsi/osd/osd_initiator.c         |    4 -
 drivers/scsi/scsi_lib.c                  |   46 ++++++--------
 drivers/scsi/scsi_tgt_lib.c              |    2 
 drivers/scsi/sd.c                        |   24 +++----
 drivers/scsi/sd_dif.c                    |    2 
 drivers/scsi/sg.c                        |    2 
 drivers/scsi/sr.c                        |   15 ++--
 drivers/scsi/st.c                        |    2 
 drivers/scsi/u14-34f.c                   |   22 +++---
 fs/exofs/osd.c                           |    4 -
 include/linux/bio.h                      |    6 -
 include/linux/blkdev.h                   |   56 ++++++++++-------
 include/linux/elevator.h                 |    2 
 include/scsi/scsi_cmnd.h                 |    2 
 kernel/trace/blktrace.c                  |   16 ++--
 82 files changed, 508 insertions(+), 585 deletions(-)

Thanks.

--
tejun

[L] http://lkml.org/lkml/2009/4/29/173