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20 authors
  1. Oct 12, 2007
  3. Jul 20, 2007
  5. Jul 18, 2007
  7. Jul 16, 2007
  9. Jul 15, 2007
  11. Jul 02, 2007
    • Randy Dunlap's avatar
      scsi disk help file is not complete · abcdceb9
      Randy Dunlap authored 
      
On Mon, 11 Jun 2007 20:28:16 +0200 api wrote:

> Good day,
> When doing make menuconfig one comes across CONFIG_BLK_DEV_SD.
> The help file states that this is for scsi disks.NO MENTION IS MADE THAT
> IT IS NEEDE FOR SATA DISKS AS WELL!
> Would have saved me a lot of time if the help was up to date.
> I hope this can be changed so others can make a kernel for sata systems
> quicker.

From: Randy Dunlap <randy.dunlap@oracle.com>

Add help info for BLK_DEV_SD referring to its use in
SATA or PATA driver configurations.

Add help text for "ATA" indicating that it probably needs
some SCSI config symbols enabled in order to be useful.

Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
      abcdceb9
  13. Jun 17, 2007
  15. Jun 04, 2007
  17. May 29, 2007
  19. May 22, 2007
  21. May 14, 2007
  23. May 05, 2007
  25. May 02, 2007
  27. Apr 27, 2007
    • David S. Miller's avatar
      [SCSI] SUNESP: Complete driver rewrite to version 2.0 · cd9ad58d
      David S. Miller authored 
      
Major features:

1) Tagged queuing support.
2) Will properly negotiate for synchronous transfers even on
   devices that reject the wide negotiation message, such as
   CDROMs
3) Significantly lower kernel stack usage in interrupt
   handler path by elimination of function vector arrays,
   replaced by a top-level switch statement state machine.
4) Uses generic scsi infrastructure as much as possible to
   avoid code duplication.
5) Automatic request of sense data in response to CHECK_CONDITION
6) Portable to other platforms using ESP such as DEC and Sun3
   systems.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      cd9ad58d
  29. Apr 01, 2007
  31. Mar 20, 2007
  33. Feb 17, 2007
  35. Jan 13, 2007
  37. Jan 03, 2007
  39. Dec 09, 2006
  41. Dec 05, 2006
  43. Dec 03, 2006
  45. Nov 25, 2006
  47. Nov 22, 2006
  49. Oct 04, 2006
  51. Oct 03, 2006
  53. Sep 30, 2006
    • David Howells's avatar
      [PATCH] BLOCK: Make it possible to disable the block layer [try #6] · 9361401e
      David Howells authored 
      
Make it possible to disable the block layer.  Not all embedded devices require
it, some can make do with just JFFS2, NFS, ramfs, etc - none of which require
the block layer to be present.

This patch does the following:

 (*) Introduces CONFIG_BLOCK to disable the block layer, buffering and blockdev
     support.

 (*) Adds dependencies on CONFIG_BLOCK to any configuration item that controls
     an item that uses the block layer.  This includes:

     (*) Block I/O tracing.

     (*) Disk partition code.

     (*) All filesystems that are block based, eg: Ext3, ReiserFS, ISOFS.

     (*) The SCSI layer.  As far as I can tell, even SCSI chardevs use the
     	 block layer to do scheduling.  Some drivers that use SCSI facilities -
     	 such as USB storage - end up disabled indirectly from this.

     (*) Various block-based device drivers, such as IDE and the old CDROM
     	 drivers.

     (*) MTD blockdev handling and FTL.

     (*) JFFS - which uses set_bdev_super(), something it could avoid doing by
     	 taking a leaf out of JFFS2's book.

 (*) Makes most of the contents of linux/blkdev.h, linux/buffer_head.h and
     linux/elevator.h contingent on CONFIG_BLOCK being set.  sector_div() is,
     however, still used in places, and so is still available.

 (*) Also made contingent are the contents of linux/mpage.h, linux/genhd.h and
     parts of linux/fs.h.

 (*) Makes a number of files in fs/ contingent on CONFIG_BLOCK.

 (*) Makes mm/bounce.c (bounce buffering) contingent on CONFIG_BLOCK.

 (*) set_page_dirty() doesn't call __set_page_dirty_buffers() if CONFIG_BLOCK
     is not enabled.

 (*) fs/no-block.c is created to hold out-of-line stubs and things that are
     required when CONFIG_BLOCK is not set:

     (*) Default blockdev file operations (to give error ENODEV on opening).

 (*) Makes some /proc changes:

     (*) /proc/devices does not list any blockdevs.

     (*) /proc/diskstats and /proc/partitions are contingent on CONFIG_BLOCK.

 (*) Makes some compat ioctl handling contingent on CONFIG_BLOCK.

 (*) If CONFIG_BLOCK is not defined, makes sys_quotactl() return -ENODEV if
     given command other than Q_SYNC or if a special device is specified.

 (*) In init/do_mounts.c, no reference is made to the blockdev routines if
     CONFIG_BLOCK is not defined.  This does not prohibit NFS roots or JFFS2.

 (*) The bdflush, ioprio_set and ioprio_get syscalls can now be absent (return
     error ENOSYS by way of cond_syscall if so).

 (*) The seclvl_bd_claim() and seclvl_bd_release() security calls do nothing if
     CONFIG_BLOCK is not set, since they can't then happen.

Signed-Off-By: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      9361401e
  55. Sep 26, 2006