linux.git/drivers/scsi/scsi_debug.c, branch v2.6.27 Linux kernel source tree [SCSI] replace __FUNCTION__ with __func__ 2008-07-27T14:31:49+00:00 Harvey Harrison harvey.harrison@gmail.com 2008-07-04T06:47:27+00:00 cadbd4a5e36dde7e6c49b587b2c419103c0b7218 [jejb: fixed up a ton of missed conversions. All of you are on notice this has happened, driver trees will now need to be rebased] Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Cc: SCSI List <linux-scsi@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
[jejb: fixed up a ton of missed conversions.

 All of you are on notice this has happened, driver trees will now
 need to be rebased]

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: SCSI List <linux-scsi@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: add support for rotation speed 2008-07-12T13:22:30+00:00 Matthew Wilcox matthew@wil.cx 2008-06-19T16:02:58+00:00 eac6e8e449647cbb9efee53977c8bfee0aa7d69e Add support for VPD page b1 to scsi_debug SCSI VPD page b1 reports the nominal rotation speed of the device. Since scsi_debug is ram-based, claim to be a non-rotating medium. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
Add support for VPD page b1 to scsi_debug

SCSI VPD page b1 reports the nominal rotation speed of the device.
Since scsi_debug is ram-based, claim to be a non-rotating medium.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: Runtime-configurable sector size 2008-07-12T13:22:24+00:00 Martin K. Petersen martin.petersen@oracle.com 2008-06-05T04:12:59+00:00 597136ab70a6dccba5c40ee6eed88e881412429b Make scsi_debug sector size configurable at load time instead of being a #define. Handy for testing 4KB sectors. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
Make scsi_debug sector size configurable at load time instead of being
a #define.  Handy for testing 4KB sectors.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
block: make queue flags non-atomic 2008-04-29T12:48:33+00:00 Nick Piggin npiggin@suse.de 2008-04-29T12:48:33+00:00 75ad23bc0fcb4f992a5d06982bf0857ab1738e9e We can save some atomic ops in the IO path, if we clearly define the rules of how to modify the queue flags. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> 
We can save some atomic ops in the IO path, if we clearly define
the rules of how to modify the queue flags.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
[SCSI] scsi_debug: remove unnecessary function declarations 2008-04-07T17:19:07+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-29T15:59:58+00:00 8dea0d02f8bb7103ec0818bd2e856f30f2d1bcf1 This patch removes function declarations with moving some functions. This cleans up them a bit to silence checkpatch.pl. There is no functional change. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
This patch removes function declarations with moving some
functions. This cleans up them a bit to silence checkpatch.pl. There
is no functional change.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: support large non-fake virtual disk 2008-04-07T17:19:07+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-29T15:59:57+00:00 5f2578e579ab74b4e3cfd1431bfa976e906594f6 Currently, the maximum amount of RAM that scsi_debug can allocate is 4GB. This patch increases it to 2TB; scsi_debug can allocates 2TB memory and export it as if it were 2TB scsi disk. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
Currently, the maximum amount of RAM that scsi_debug can allocate is
4GB. This patch increases it to 2TB; scsi_debug can allocates 2TB
memory and export it as if it were 2TB scsi disk.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: remove the duplicated code in resp_read and resp_write 2008-04-07T17:19:06+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-29T15:59:56+00:00 1978910062c38394570c48b3065f37060be31b91 resp_read and resp_write performs READ_* and WRITE_* commands respectively. This sweeps up the similar code in them. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
resp_read and resp_write performs READ_* and WRITE_* commands
respectively. This sweeps up the similar code in them.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: sweep up sdebug_capacity calculation 2008-04-07T17:19:06+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-29T15:59:55+00:00 28898873b0049d4271c0ff3eb57eb329bbc4d9df sdebug_capacity is calculated at five different places. This add a helper function to calculate sdebug_capacity to sweep up the duplicatated code. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
sdebug_capacity is calculated at five different places. This add a
helper function to calculate sdebug_capacity to sweep up the
duplicatated code.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: remove unnecessary sdebug_store_size 2008-04-07T17:19:06+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-29T15:59:54+00:00 f58b0efbf49ec54c82b8904c64a6498f829e7544 sdebug_store_size doesn't need to be static global. It's used at startup only. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
sdebug_store_size doesn't need to be static global. It's used at
startup only.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
[SCSI] scsi_debug: fix lba and data length calculation bugs 2008-04-07T17:19:03+00:00 FUJITA Tomonori fujita.tomonori@lab.ntt.co.jp 2008-03-25T08:04:46+00:00 d5cdc9898b5589acc77db91a1e9c0feb9f32abef For example, `modprobe scsi_debug virtual_gb=1100` gives: scsi7 : scsi_debug, version 1.81 [20070104], dev_size_mb=8, opts=0x0 scsi 7:0:0:0: Direct-Access Linux scsi_debug 0004 PQ: 0 ANSI: 5 sd 7:0:0:0: [sdc] 2306867200 512-byte hardware sectors (1181116 MB) sd 7:0:0:0: [sdc] Write Protect is off sd 7:0:0:0: [sdc] Mode Sense: 73 00 10 08 sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA sd 7:0:0:0: [sdc] 2306867200 512-byte hardware sectors (1181116 MB) sd 7:0:0:0: [sdc] Write Protect is off sd 7:0:0:0: [sdc] Mode Sense: 73 00 10 08 sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA sdc: unknown partition table sd 7:0:0:0: [sdc] Attached SCSI disk sd 7:0:0:0: Attached scsi generic sg6 type 0 end_request: I/O error, dev sdc, sector 2306867072 Buffer I/O error on device sdc, logical block 288358384 end_request: I/O error, dev sdc, sector 2306867072 Buffer I/O error on device sdc, logical block 288358384 end_request: I/O error, dev sdc, sector 2306867192 (snip) Note that this converts all the calculations (including the correct calculations) for unification. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> 
For example, `modprobe scsi_debug virtual_gb=1100` gives:

scsi7 : scsi_debug, version 1.81 [20070104], dev_size_mb=8, opts=0x0
scsi 7:0:0:0: Direct-Access     Linux    scsi_debug       0004 PQ: 0 ANSI: 5
sd 7:0:0:0: [sdc] 2306867200 512-byte hardware sectors (1181116 MB)
sd 7:0:0:0: [sdc] Write Protect is off
sd 7:0:0:0: [sdc] Mode Sense: 73 00 10 08
sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA
sd 7:0:0:0: [sdc] 2306867200 512-byte hardware sectors (1181116 MB)
sd 7:0:0:0: [sdc] Write Protect is off
sd 7:0:0:0: [sdc] Mode Sense: 73 00 10 08
sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA
 sdc: unknown partition table
sd 7:0:0:0: [sdc] Attached SCSI disk
sd 7:0:0:0: Attached scsi generic sg6 type 0
end_request: I/O error, dev sdc, sector 2306867072
Buffer I/O error on device sdc, logical block 288358384
end_request: I/O error, dev sdc, sector 2306867072
Buffer I/O error on device sdc, logical block 288358384
end_request: I/O error, dev sdc, sector 2306867192

(snip)

Note that this converts all the calculations (including the correct
calculations) for unification.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>