linux.git/drivers/block, branch v2.6.26-rc7

cciss: add new hardware support

2008-06-13T01:05:40+00:00

Add support for the next generation of HP Smart Array SAS/SATA
controllers.  Shipping date is late Fall 2008.

Bump the driver version to 3.6.20 to reflect the new hardware support from
patch 1 of this set.

Signed-off-by: Mike Miller 
Cc: Jens Axboe 
Cc: 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

Add 'rd' alias to new brd ramdisk driver

2008-06-05T21:23:12+00:00

Alias brd to rd in the hope of helping legacy users. Suggested by Jan.

Signed-off-by: Nick Piggin 
Signed-off-by: Linus Torvalds

virtio_blk: allow read-only disks

2008-05-30T05:09:44+00:00

Hello Rusty,

sometimes it is useful to share a disk (e.g. usr). To avoid file system
corruption, the disk should be mounted read-only in that case. This patch
adds a new feature flag, that allows the host to specify, if the disk should
be considered read-only.

Signed-off-by: Christian Borntraeger 
Signed-off-by: Rusty Russell

Fix crash in virtio_blk during modprobe ; rmmod ; modprobe

2008-05-30T05:09:41+00:00

Fix a modprobe virtio_blk ; rmmod virtio_blk ; modprobe virtio_blk crash; this
was basically because we weren't doing "del_gendisk()" in the remove path.

Signed-off-by: Chris Lalancette 
Signed-off-by: Rusty Russell  (moved del_gendisk up)

brd: don't show ramdisks in /proc/partitions

2008-05-24T16:56:11+00:00

In 2.6.25, ramdisk devices show up in /proc/partitions, which is a
behaviour change from the old rd.c.  Add GENHD_FL_SUPPRESS_PARTITION_INFO,
which was present in rd.c.

All kernels prior to 2.6.25 weren't displaying ramdisks in
/proc/partitions.  Since there are many userspace tools using information
from /proc/partitions some of them may now behave incorrectly (I didn't
tested any though).  For example before 2.6.25 /proc/partitions was empty
if no block devices like hard disks and such were detected by kernel.  Now
all 16 ramdisks are always visible there.  Some software may rely on such
information (I mean, on empty /proc/partitions).

There was quite similar situation back in 2004, and ramdisks were excluded
back from displaying.  Thats why I called this a regression (maybe a bit
unfortunate).  See this patch for info:
http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.3-rc2/2.6.3-rc2-mm1/broken-out/nbd-proc-partitions-fix.patch

I also think that someone somewhere (long time ago) excluded ramdisks from
/proc/partitions for good reasons.  It is possible that now such new
"feature" is harmless, but I think there are more chances that someone
will say "hey, /proc/partitions has changed, now my software doesn't work"
then "hey where did my new 2.6.25 feature go".  nbd devices are also
excluded, maybe for very same (unknown to me) reasons.

Signed-off-by: Marcin Krol 
Signed-off-by: Nick Piggin 
Cc: 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

[POWERPC] iSeries: Remove unused mail address

2008-05-23T06:45:04+00:00

I don't use my IBM email address normally and people can find me in
CREDITS.

Signed-off-by: Stephen Rothwell 
Signed-off-by: Paul Mackerras

m68k: Return -ENODEV if no device is found

2008-05-18T20:28:50+00:00

According to the tests in do_initcalls(), the proper error code in case no
device is found is -ENODEV, not -ENXIO or -EIO.

Signed-off-by: Geert Uytterhoeven 
Signed-off-by: Linus Torvalds

block: avoid duplicate calls to get_part() in disk stat code

2008-05-07T08:15:46+00:00

get_part() is fairly expensive, as it O(N) loops over partitions
to find the right one. In lots of normal IO paths we end up looking
up the partition twice, to make matters even worse. Change the
stat add code to accept a passed in partition instead.

Signed-off-by: Jens Axboe

Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

2008-05-02T18:03:08+00:00

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (32 commits)
  USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance, clear-feature ignore
  USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance
  usb_serial: some coding style fixes
  USB: Remove redundant dependencies on USB_ATM.
  USB: UHCI: disable remote wakeup when it's not needed
  USB: OHCI: work around bogus compiler warning
  USB: add Cypress c67x00 OTG controller HCD driver
  USB: add Cypress c67x00 OTG controller core driver
  USB: add Cypress c67x00 low level interface code
  USB: airprime: unlock mutex instead of trying to lock it again
  USB: storage: Update mailling list address
  USB: storage: UNUSUAL_DEVS() for PanDigital Picture frame.
  USB: Add the USB 2.0 extension descriptor.
  USB: add more FTDI device ids
  USB: fix cannot work usb storage when using ohci-sm501
  usb: gadget zero timer init fix
  usb: gadget zero style fixups (mostly whitespace)
  usb serial gadget: CDC ACM fixes
  usb: pxa27x_udc driver
  USB: INTOVA Pixtreme camera mass storage device
  ...

ub: Cosmetics

2008-05-02T17:25:52+00:00

Fix a few comments and printk statements.

Signed-off-by: Pete Zaitcev 
Signed-off-by: Greg Kroah-Hartman