On Wed, 2014-01-22 at 12:12 +0200, Sagi Grimberg wrote:
> On 1/22/2014 12:28 AM, Nicholas A. Bellinger wrote:
> > On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
> >> On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
> >>> From: Nicholas Bellinger
>
Hey Jens,
On Mon, 2014-01-20 at 03:44 +, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> Hi Linus,
>
> Here is the -v2 series for converting percpu_ida_alloc() + consumer
> usage to accept the task state bitmask parameter, w/o the extra
> legacy gfp_t wrapp
-21 at 14:18 -0800, Kent Overstreet wrote:
> On Mon, Jan 20, 2014 at 12:34:15PM +0100, Peter Zijlstra wrote:
> > On Mon, Jan 20, 2014 at 03:44:44AM +, Nicholas A. Bellinger wrote:
> > > From: Kent Overstreet
> > >
> > > This patch changes percpu_ida_al
-21 at 14:18 -0800, Kent Overstreet wrote:
On Mon, Jan 20, 2014 at 12:34:15PM +0100, Peter Zijlstra wrote:
On Mon, Jan 20, 2014 at 03:44:44AM +, Nicholas A. Bellinger wrote:
From: Kent Overstreet k...@daterainc.com
This patch changes percpu_ida_alloc() + callers to accept task state
Hey Jens,
On Mon, 2014-01-20 at 03:44 +, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
Hi Linus,
Here is the -v2 series for converting percpu_ida_alloc() + consumer
usage to accept the task state bitmask parameter, w/o the extra
legacy gfp_t wrapper
On Wed, 2014-01-22 at 12:12 +0200, Sagi Grimberg wrote:
On 1/22/2014 12:28 AM, Nicholas A. Bellinger wrote:
On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support
On Wed, 2014-01-22 at 18:44 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense
On Wed, 2014-01-22 at 20:00 +0200, Sagi Grimberg wrote:
On 1/22/2014 12:48 AM, Nicholas A. Bellinger wrote:
+ cmd-prot_handover = PROT_SEPERATED;
I know that we are not planning to support interleaved mode at the
moment, But I think
that the protection handover type is the backstore
Roland & Co,
On Tue, 2014-01-21 at 16:43 -0800, Roland Dreier wrote:
> On Tue, Jan 21, 2014 at 2:00 PM, Or Gerlitz wrote:
> > Roland, ping! the signature patches were posted > three months ago. We
> > deserve a response from the maintainer that goes beyond "I need to
> > think on that".
> >
> >
On Fri, 2014-01-17 at 16:58 -0500, Martin K. Petersen wrote:
> >>>>> "nab" == Nicholas A Bellinger writes:
>
> >> That breaks partial completion, though. I'll take a look at Kent's
> >> changes...
>
> nab> Ping..? Any updates on a prope
On Sun, 2014-01-19 at 13:43 +0200, Sagi Grimberg wrote:
> On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > This patch adds sbc_check_prot() for performing various DIF
> > related CDB sanity checks, along with setting cmd->pr
On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
> On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > This patch adds support for DIF protection init/format support into
> > the FILEIO backend.
> >
> > It inv
On Sun, 2014-01-19 at 14:21 +0200, Sagi Grimberg wrote:
> On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > This patch adds blk_integrity passthrough support for block_device
> > backends using IBLOCK.
>
> Nice!
>
On Sun, 2014-01-19 at 14:12 +0200, Sagi Grimberg wrote:
> On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > This patch adds support to target_submit_cmd_map_sgls() for
> > accepting 'sgl_prot' + 'sgl_prot_count' parameters for
>
On Mon, 2014-01-20 at 12:34 +0100, Peter Zijlstra wrote:
> On Mon, Jan 20, 2014 at 03:44:44AM +0000, Nicholas A. Bellinger wrote:
> > From: Kent Overstreet
> >
> > This patch changes percpu_ida_alloc() + callers to accept task state
> > bitmask for prepare_to_wait()
On Mon, 2014-01-20 at 12:34 +0100, Peter Zijlstra wrote:
On Mon, Jan 20, 2014 at 03:44:44AM +, Nicholas A. Bellinger wrote:
From: Kent Overstreet k...@daterainc.com
This patch changes percpu_ida_alloc() + callers to accept task state
bitmask for prepare_to_wait() for code like target
On Sun, 2014-01-19 at 14:12 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support to target_submit_cmd_map_sgls() for
accepting 'sgl_prot' + 'sgl_prot_count' parameters for
DIF protection
On Sun, 2014-01-19 at 14:21 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds blk_integrity passthrough support for block_device
backends using IBLOCK.
Nice!
This includes iblock_alloc_bip
On Sun, 2014-01-19 at 14:31 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF protection init/format support into
the FILEIO backend.
It involves using a seperate
On Sun, 2014-01-19 at 13:43 +0200, Sagi Grimberg wrote:
On 1/19/2014 4:44 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds sbc_check_prot() for performing various DIF
related CDB sanity checks, along with setting cmd-prot_type
once sanity
On Fri, 2014-01-17 at 16:58 -0500, Martin K. Petersen wrote:
nab == Nicholas A Bellinger n...@linux-iscsi.org writes:
That breaks partial completion, though. I'll take a look at Kent's
changes...
nab Ping..? Any updates on a proper bugfix for this..?
I did put your patch in my queue
Roland Co,
On Tue, 2014-01-21 at 16:43 -0800, Roland Dreier wrote:
On Tue, Jan 21, 2014 at 2:00 PM, Or Gerlitz or.gerl...@gmail.com wrote:
Roland, ping! the signature patches were posted three months ago. We
deserve a response from the maintainer that goes beyond I need to
think on that.
On Sun, 2014-01-19 at 18:38 -0800, Linus Torvalds wrote:
> On Sun, Jan 19, 2014 at 2:16 AM, Nicholas A. Bellinger
> wrote:
> >
> > This patch changes percpu_ida_alloc() to accept task state bitmask
> > for prepare_to_wait() to support interruptible sleep for
From: Nicholas Bellinger
This patch addresses a bug where connection reset would hang
indefinately once percpu_ida_alloc() was starved for tags, due
to the fact that it always assumed uninterruptible sleep mode.
So now make percpu_ida_alloc() check for signal_pending_state() for
making
From: Nicholas Bellinger
Hi Linus,
Here is the -v2 series for converting percpu_ida_alloc() + consumer
usage to accept the task state bitmask parameter, w/o the extra
legacy gfp_t wrapper.
As requested, the first patch contains only the parameter change
to percpu_ida_alloc() + existing
From: Nicholas Bellinger
This patch propigates the use of task state bitmask for
percpu_ida_alloc() up the blk-mq callchain, to the point in
blk_get_request() where the blk-mq vs. blk-old split occurs.
Along with the obvious parameters changes, there are two cases
in mq_flush_work
Torvalds
Cc: Ingo Molnar
Cc: Peter Zijlstra
Cc: Jens Axboe
Signed-off-by: Kent Overstreet
Cc: #3.12+
Signed-off-by: Nicholas Bellinger
---
block/blk-mq-tag.c |6 --
drivers/target/iscsi/iscsi_target_util.c |8 ++--
drivers/target/tcm_fc/tfc_cmd.c
On Fri, 2014-01-17 at 17:29 -0800, Linus Torvalds wrote:
> On Thu, Jan 16, 2014 at 4:09 PM, Nicholas A. Bellinger
> wrote:
> >
> > This change allows the percpu_ida tag allocator to optionally use
> > interruptible sleep that iscsi-target expects, while still leavi
From: Nicholas Bellinger
This patch updates percpu_ida_alloc() for target/vhost to TASK_RUNNING
(cannot sleep) instead of GFP_ATOMIC, and updates iscsi-target to use
TASK_INTERRUPTIBLE (may sleep) or TASK_RUNNING (cannot sleep).
Both are following the changes to percpu_ida to allow for task
From: Nicholas Bellinger
This patch propigates the use of task state bitmask now used by
percpu_ida_alloc() up the iscsi-target callchain, replacing the
use of GFP_ATOMIC + GFP_KERNEL.
Also, drop the unnecessary gfp_t parameter to isert_allocate_cmd(),
and just pass TASK_INTERRUPTIBLE
From: Nicholas Bellinger
This patch updates percpu_ida_alloc() usage within blk-mq tag
allocation code to use TASK_UNINTERRUPTIBLE (may sleep) or
ASK_RUNNING (cannot sleep), following the changes to percpu_ida
to allow for task state bitmask to be passed from the caller.
Reported-by: Linus
From: Nicholas Bellinger
This patch propigates the use of task state bitmask for
percpu_ida_alloc() up the blk-mq callchain, to the point in
blk_get_request() where the blk-mq vs. blk-old split occurs.
Along with the obvious parameters changes, there are two cases
in mq_flush_work
Torvalds
Cc: Ingo Molnar
Cc: Peter Zijlstra
Signed-off-by: Kent Overstreet
Cc: #3.12+
Signed-off-by: Nicholas Bellinger
---
include/linux/percpu_ida.h |3 ++-
lib/percpu_ida.c | 17 +++--
2 files changed, 13 insertions(+), 7 deletions(-)
diff --git a/include/linux
From: Nicholas Bellinger
Hello Linus,
Here is the series for converting percpu_ida_alloc() + consumer
usage to accept the task state bitmask parameter, w/o the extra
legacy gfp_t wrapper.
Also, given that the first three patches needs to be backported
to different kernel versions, the series
From: Nicholas Bellinger n...@linux-iscsi.org
Hello Linus,
Here is the series for converting percpu_ida_alloc() + consumer
usage to accept the task state bitmask parameter, w/o the extra
legacy gfp_t wrapper.
Also, given that the first three patches needs to be backported
to different kernel
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates percpu_ida_alloc() usage within blk-mq tag
allocation code to use TASK_UNINTERRUPTIBLE (may sleep) or
ASK_RUNNING (cannot sleep), following the changes to percpu_ida
to allow for task state bitmask to be passed from the caller
From: Nicholas Bellinger n...@linux-iscsi.org
This patch propigates the use of task state bitmask for
percpu_ida_alloc() up the blk-mq callchain, to the point in
blk_get_request() where the blk-mq vs. blk-old split occurs.
Along with the obvious parameters changes, there are two cases
Torvalds torva...@linux-foundation.org
Cc: Linus Torvalds torva...@linux-foundation.org
Cc: Ingo Molnar mi...@redhat.com
Cc: Peter Zijlstra pet...@infradead.org
Signed-off-by: Kent Overstreet k...@daterainc.com
Cc: sta...@vger.kernel.org #3.12+
Signed-off-by: Nicholas Bellinger n...@linux-iscsi.org
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates percpu_ida_alloc() for target/vhost to TASK_RUNNING
(cannot sleep) instead of GFP_ATOMIC, and updates iscsi-target to use
TASK_INTERRUPTIBLE (may sleep) or TASK_RUNNING (cannot sleep).
Both are following the changes to percpu_ida
From: Nicholas Bellinger n...@linux-iscsi.org
This patch propigates the use of task state bitmask now used by
percpu_ida_alloc() up the iscsi-target callchain, replacing the
use of GFP_ATOMIC + GFP_KERNEL.
Also, drop the unnecessary gfp_t parameter to isert_allocate_cmd(),
and just pass
On Fri, 2014-01-17 at 17:29 -0800, Linus Torvalds wrote:
On Thu, Jan 16, 2014 at 4:09 PM, Nicholas A. Bellinger
n...@linux-iscsi.org wrote:
This change allows the percpu_ida tag allocator to optionally use
interruptible sleep that iscsi-target expects, while still leaving
torva...@linux-foundation.org
Cc: Linus Torvalds torva...@linux-foundation.org
Cc: Ingo Molnar mi...@redhat.com
Cc: Peter Zijlstra pet...@infradead.org
Cc: Jens Axboe ax...@kernel.dk
Signed-off-by: Kent Overstreet k...@daterainc.com
Cc: sta...@vger.kernel.org #3.12+
Signed-off-by: Nicholas Bellinger
From: Nicholas Bellinger n...@linux-iscsi.org
This patch propigates the use of task state bitmask for
percpu_ida_alloc() up the blk-mq callchain, to the point in
blk_get_request() where the blk-mq vs. blk-old split occurs.
Along with the obvious parameters changes, there are two cases
From: Nicholas Bellinger n...@linux-iscsi.org
This patch addresses a bug where connection reset would hang
indefinately once percpu_ida_alloc() was starved for tags, due
to the fact that it always assumed uninterruptible sleep mode.
So now make percpu_ida_alloc() check for signal_pending_state
From: Nicholas Bellinger n...@linux-iscsi.org
Hi Linus,
Here is the -v2 series for converting percpu_ida_alloc() + consumer
usage to accept the task state bitmask parameter, w/o the extra
legacy gfp_t wrapper.
As requested, the first patch contains only the parameter change
to percpu_ida_alloc
On Sun, 2014-01-19 at 18:38 -0800, Linus Torvalds wrote:
On Sun, Jan 19, 2014 at 2:16 AM, Nicholas A. Bellinger
n...@linux-iscsi.org wrote:
This patch changes percpu_ida_alloc() to accept task state bitmask
for prepare_to_wait() to support interruptible sleep for callers
that require
From: Nicholas Bellinger
This patch adds support to target_submit_cmd_map_sgls() for
accepting 'sgl_prot' + 'sgl_prot_count' parameters for
DIF protection information.
Note the passed parameters are stored at se_cmd->t_prot_sg
and se_cmd->t_prot_nents respectively.
Also, update tc
From: Nicholas Bellinger
This patch adds support for DIF read/write verify emulation
for TARGET_DIF_TYPE1_PROT + TARGET_DIF_TYPE3_PROT operation.
This includes sbc_dif_verify_write() + sbc_dif_verify_read()
calls accessable by backend drivers to perform DIF verify
for SGL based data
From: Nicholas Bellinger
This patch updates sbc_emulate_readcapacity_16() to set
P_TYPE and PROT_EN bits when DIF emulation is enabled by
the backend device.
Reviewed-by: Martin K. Petersen
Cc: Christoph Hellwig
Cc: Hannes Reinecke
Cc: Sagi Grimberg
Cc: Or Gerlitz
Signed-off-by: Nicholas
From: Nicholas Bellinger
This patch updates spc_modesense_control() to set the Application
Tag Owner (ATO) bit when when DIF emulation is enabled by the
backend device.
Reviewed-by: Martin K. Petersen
Cc: Christoph Hellwig
Cc: Hannes Reinecke
Cc: Sagi Grimberg
Cc: Or Gerlitz
Signed-off
From: Nicholas Bellinger
This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense().
This includes:
LOGICAL BLOCK GUARD CHECK FAILED
LOGICAL BLOCK APPLICATION TAG CHECK FAILED
LOGICAL BLOCK REFERENCE TAG CHECK FAILED
From: Nicholas Bellinger
This patch updates spc_emulate_evpd_86() (extended INQUIRY) to
report GRD_CHK (Guard Check) and REF_CHK (Reference Check) bits
when DIF emulation is enabled by the backend device.
Reviewed-by: Martin K. Petersen
Cc: Christoph Hellwig
Cc: Hannes Reinecke
Cc: Sagi
From: Nicholas Bellinger
This patch adds blk_integrity passthrough support for block_device
backends using IBLOCK.
This includes iblock_alloc_bip() + setup of bio_integrity_payload
information that attaches to the leading struct bio once bio_list
is populated during fast-path iblock_execute_rw
From: Nicholas Bellinger
This patch refactors rd_build_device_space() + rd_release_device_space()
into rd_allocate_sgl_table() + rd_release_device_space() so that they
may be used seperatly for setup + release of protection information
scatterlists.
Also add explicit memset of pages within
From: Nicholas Bellinger
This patch adds rd_build_prot_space() + rd_release_prot_space() logic
to setup + release protection information scatterlists.
It also adds rd_init_prot() + rd_free_prot() se_subsystem_api
callbacks used by target core code for setup + release of
protection information
From: Nicholas Bellinger
This patch updates tcm_loop_driver_probe() to set protection
information using scsi_host_set_prot() and scsi_host_set_guard(),
which currently enabled all modes of DIF/DIX protection, minus
DIX TYPE0.
Also, update tcm_loop_submission_work() to pass struct scsi_cmnd
From: Nicholas Bellinger
This patch adds support for DIF protection init/format support into
the FILEIO backend.
It involves using a seperate $FILE.protection for storing PI that is
opened via fd_init_prot() using the common pi_prot_type attribute.
The actual formatting of the protection
From: Nicholas Bellinger
This patch adds support for DIF protection into fd_execute_rw() code
for WRITE/READ I/O using sbc_dif_verify_[write,read]() logic.
It adds fd_do_prot_rw() for handling interface with FILEIO PI, and
uses a locally allocated fd_prot->prot_buf + fd_prot->p
From: Nicholas Bellinger
This patch adds support for DIF protection into rd_execute_rw() code
for WRITE/READ I/O using sbc_dif_verify_[write,read]() logic.
It also adds rd_get_prot_table() for locating protection SGLs
assoicated with the ramdisk backend device.
v2 changes:
- Make
From: Nicholas Bellinger
This patch adds sbc_check_prot() for performing various DIF
related CDB sanity checks, along with setting cmd->prot_type
once sanity checks have passed.
Also, add calls in sbc_parse_cdb() for READ_[10,12,16] +
WRITE_[10,12,16] to perform DIF sanity checking.
v2 chan
From: Nicholas Bellinger
This patch updates spc_emulate_inquiry_std() to set the
PROTECT bit when DIF emulation is enabled by the backend
device.
Reviewed-by: Martin K. Petersen
Cc: Christoph Hellwig
Cc: Hannes Reinecke
Cc: Sagi Grimberg
Cc: Or Gerlitz
Signed-off-by: Nicholas Bellinger
From: Nicholas Bellinger
This patch adds support for exposing DIF protection device
attributes via configfs. This includes:
pi_prot_type: Protection Type (0, 1, 3 currently support)
pi_prot_format: Protection Format Operation (FILEIO only)
Within se_dev_set_pi_prot_type() it also adds
From: Nicholas Bellinger
Hi MKP & Co,
This -v2 series contains support for target mode DIF Type1+Type3
emulation within target core, FILEIO, and RAMDISK_MCP device backends,
BIP passthrough of T10 PI within IBLOCK device backends, and DIF/DIX
host support in the tcm_loop fabric driver.
From: Nicholas Bellinger
This patch adds DIF related definitions to target_core_base.h
that includes enums for target_prot_op + target_prot_type +
target_prot_version + target_guard_type + target_pi_error.
Also included is struct se_dif_v1_tuple, along with changes
to struct se_cmd, struct
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds DIF related definitions to target_core_base.h
that includes enums for target_prot_op + target_prot_type +
target_prot_version + target_guard_type + target_pi_error.
Also included is struct se_dif_v1_tuple, along with changes
to struct
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds sbc_check_prot() for performing various DIF
related CDB sanity checks, along with setting cmd-prot_type
once sanity checks have passed.
Also, add calls in sbc_parse_cdb() for READ_[10,12,16] +
WRITE_[10,12,16] to perform DIF sanity
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates spc_emulate_inquiry_std() to set the
PROTECT bit when DIF emulation is enabled by the backend
device.
Reviewed-by: Martin K. Petersen martin.peter...@oracle.com
Cc: Christoph Hellwig h...@lst.de
Cc: Hannes Reinecke h...@suse.de
Cc
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for exposing DIF protection device
attributes via configfs. This includes:
pi_prot_type: Protection Type (0, 1, 3 currently support)
pi_prot_format: Protection Format Operation (FILEIO only)
Within
From: Nicholas Bellinger n...@linux-iscsi.org
Hi MKP Co,
This -v2 series contains support for target mode DIF Type1+Type3
emulation within target core, FILEIO, and RAMDISK_MCP device backends,
BIP passthrough of T10 PI within IBLOCK device backends, and DIF/DIX
host support in the tcm_loop
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF protection init/format support into
the FILEIO backend.
It involves using a seperate $FILE.protection for storing PI that is
opened via fd_init_prot() using the common pi_prot_type attribute.
The actual formatting
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF protection into fd_execute_rw() code
for WRITE/READ I/O using sbc_dif_verify_[write,read]() logic.
It adds fd_do_prot_rw() for handling interface with FILEIO PI, and
uses a locally allocated fd_prot-prot_buf + fd_prot
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF protection into rd_execute_rw() code
for WRITE/READ I/O using sbc_dif_verify_[write,read]() logic.
It also adds rd_get_prot_table() for locating protection SGLs
assoicated with the ramdisk backend device.
v2 changes
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds blk_integrity passthrough support for block_device
backends using IBLOCK.
This includes iblock_alloc_bip() + setup of bio_integrity_payload
information that attaches to the leading struct bio once bio_list
is populated during fast
From: Nicholas Bellinger n...@linux-iscsi.org
This patch refactors rd_build_device_space() + rd_release_device_space()
into rd_allocate_sgl_table() + rd_release_device_space() so that they
may be used seperatly for setup + release of protection information
scatterlists.
Also add explicit memset
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds rd_build_prot_space() + rd_release_prot_space() logic
to setup + release protection information scatterlists.
It also adds rd_init_prot() + rd_free_prot() se_subsystem_api
callbacks used by target core code for setup + release
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates tcm_loop_driver_probe() to set protection
information using scsi_host_set_prot() and scsi_host_set_guard(),
which currently enabled all modes of DIF/DIX protection, minus
DIX TYPE0.
Also, update tcm_loop_submission_work() to pass
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates spc_modesense_control() to set the Application
Tag Owner (ATO) bit when when DIF emulation is enabled by the
backend device.
Reviewed-by: Martin K. Petersen martin.peter...@oracle.com
Cc: Christoph Hellwig h...@lst.de
Cc: Hannes
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF related CHECK_CONDITION ASC/ASCQ
exception cases into transport_send_check_condition_and_sense().
This includes:
LOGICAL BLOCK GUARD CHECK FAILED
LOGICAL BLOCK APPLICATION TAG CHECK FAILED
LOGICAL BLOCK
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates spc_emulate_evpd_86() (extended INQUIRY) to
report GRD_CHK (Guard Check) and REF_CHK (Reference Check) bits
when DIF emulation is enabled by the backend device.
Reviewed-by: Martin K. Petersen martin.peter...@oracle.com
Cc
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support to target_submit_cmd_map_sgls() for
accepting 'sgl_prot' + 'sgl_prot_count' parameters for
DIF protection information.
Note the passed parameters are stored at se_cmd-t_prot_sg
and se_cmd-t_prot_nents respectively.
Also
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support for DIF read/write verify emulation
for TARGET_DIF_TYPE1_PROT + TARGET_DIF_TYPE3_PROT operation.
This includes sbc_dif_verify_write() + sbc_dif_verify_read()
calls accessable by backend drivers to perform DIF verify
for SGL
From: Nicholas Bellinger n...@linux-iscsi.org
This patch updates sbc_emulate_readcapacity_16() to set
P_TYPE and PROT_EN bits when DIF emulation is enabled by
the backend device.
Reviewed-by: Martin K. Petersen martin.peter...@oracle.com
Cc: Christoph Hellwig h...@lst.de
Cc: Hannes Reinecke h
On Fri, 2014-01-03 at 15:09 -0500, Martin K. Petersen wrote:
> >>>>> "nab" == Nicholas A Bellinger writes:
>
> nab> Given that bio_integrity_verify() is using bio_for_each_segment(),
> nab> the loop starts from the updated bio->bi_idx, and n
ows the percpu_ida tag allocator to optionally use
interruptible sleep that iscsi-target expects, while still leaving the
functionality + interface for existing percpu_ida consumers unchanged.
Thank you,
--nab
Kent Overstreet (1):
percpu_ida: Allow tag alloc interface to interruptible sleep
Nicho
the percpu_ida tag allocator to optionally use
interruptible sleep that iscsi-target expects, while still leaving the
functionality + interface for existing percpu_ida consumers unchanged.
Thank you,
--nab
Kent Overstreet (1):
percpu_ida: Allow tag alloc interface to interruptible sleep
Nicholas Bellinger
On Fri, 2014-01-03 at 15:09 -0500, Martin K. Petersen wrote:
nab == Nicholas A Bellinger n...@linux-iscsi.org writes:
nab Given that bio_integrity_verify() is using bio_for_each_segment(),
nab the loop starts from the updated bio-bi_idx, and not a zero value,
nab which ends up skipping
On Wed, 2014-01-15 at 20:42 -0500, Martin K. Petersen wrote:
> >>>>> "nab" == Nicholas A Bellinger writes:
>
> nab> The issue is that existing fs/bio-integrity.c code always assumes
> nab> client/initiator mode, in that it will attempt to
> nab>
Hi all,
I'd like to discuss the current state of scsi-mq prototype code.
And now that blk-mq is upstream for v3.13, exploring the remaining TODO
items towards an initial scsi-mq merge sometime before 2015 is upon us.
The benefits of scsi-mq remain unchanged:
- Utilizes blk-mq's native
On Wed, 2014-01-15 at 20:03 +0200, sagi grimberg wrote:
> On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > Hi MKP & SCSI folks,
> >
> > This series contains initial support for target mode DIF Type1+Type3
> > emula
On Wed, 2014-01-15 at 20:03 +0200, sagi grimberg wrote:
On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
Hi MKP SCSI folks,
This series contains initial support for target mode DIF Type1+Type3
emulation within target core, RAMDISK_MCP
Hi all,
I'd like to discuss the current state of scsi-mq prototype code.
And now that blk-mq is upstream for v3.13, exploring the remaining TODO
items towards an initial scsi-mq merge sometime before 2015 is upon us.
The benefits of scsi-mq remain unchanged:
- Utilizes blk-mq's native
On Wed, 2014-01-15 at 20:42 -0500, Martin K. Petersen wrote:
nab == Nicholas A Bellinger n...@linux-iscsi.org writes:
nab The issue is that existing fs/bio-integrity.c code always assumes
nab client/initiator mode, in that it will attempt to
nab bio_integrity_generate() protection
On Tue, 2014-01-14 at 09:44 +0200, Sagi Grimberg wrote:
> On 1/10/2014 8:53 AM, Nicholas A. Bellinger wrote:
> > On Thu, 2014-01-09 at 12:43 +0200, Sagi Grimberg wrote:
> >> On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
> >>> From: Nicholas Bellinger
>
On Tue, 2014-01-14 at 09:44 +0200, Sagi Grimberg wrote:
On 1/10/2014 8:53 AM, Nicholas A. Bellinger wrote:
On Thu, 2014-01-09 at 12:43 +0200, Sagi Grimberg wrote:
On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger n...@linux-iscsi.org
This patch adds support
On Mon, 2014-01-13 at 10:52 -0800, James Bottomley wrote:
> On Mon, 2014-01-13 at 10:30 -0800, Nicholas A. Bellinger wrote:
> > Hey MKP,
> >
> > On Fri, 2014-01-10 at 16:01 -0500, Martin K. Petersen wrote:
> > > >>>>> "nab" == Nicholas
On Sun, 2014-01-12 at 13:59 +0200, Sagi Grimberg wrote:
> On 1/10/2014 9:04 AM, Nicholas A. Bellinger wrote:
> > On Thu, 2014-01-09 at 16:58 +0200, Sagi Grimberg wrote:
> >> On 1/8/2014 10:36 PM, Nicholas A. Bellinger wrote:
> >>> diff --git a/drivers/target/targ
On Sun, 2014-01-12 at 13:53 +0200, Sagi Grimberg wrote:
>
>
> >> I wander how we can skip sbc_dif_verify_ if the transport already
> >> offloaded DIF verify.
> >> I think that the transport should signal the core layer that it is able
> >> to offload DIF (ADD/STRIP/PASS/VERIFY), in which
On Fri, 2014-01-10 at 16:09 -0500, Martin K. Petersen wrote:
> >>>>> "nab" == Nicholas A Bellinger writes:
>
> nab> This patch updates tcm_loop_driver_probe() to set protection
> nab> information using scsi_host_set_prot() and scsi_host_set_guard(
Hey MKP,
On Fri, 2014-01-10 at 16:01 -0500, Martin K. Petersen wrote:
> >>>>> "nab" == Nicholas A Bellinger writes:
>
> nab> This patch adds support for exposing DIF protection device
> nab> attributes via configfs. This includes:
>
> nab>
Hey MKP,
On Fri, 2014-01-10 at 16:01 -0500, Martin K. Petersen wrote:
nab == Nicholas A Bellinger n...@daterainc.com writes:
nab This patch adds support for exposing DIF protection device
nab attributes via configfs. This includes:
nabpi_prot_type: Protection Type (0, 1, 3 currently
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