Hello MNC & Co,
On Wed, 2018-10-10 at 11:58 -0500, Mike Christie wrote:
> On 10/09/2018 10:23 PM, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > With the addition of commit 00d909a107 in v4.19-rc, it incorrectly assumes
> > no
> > si
Hey Peter & Co,
On Wed, 2018-10-10 at 10:43 +0200, Peter Zijlstra wrote:
> On Wed, Oct 10, 2018 at 03:23:10AM +, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > With the addition of commit 00d909a107 in v4.19-rc, it incorrectly assumes
> >
On Wed, 2018-10-10 at 03:23 +, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> Hi MNC, MKP & Co,
>
> While testing v4.19-rc recently with simple backend I/O error injection
> (via delayed BIO completion), I was able to trigger an end-less loop
> deadlo
From: Nicholas Bellinger
Short of reverting commit 00d909a107 for v4.19, target-core needs a
wait_event_t marco can be executed using TASK_UNINTERRUPTIBLE to
function correctly with existing fabric drivers that expect to run
with signals pending during session shutdown and active se_cmd I/O
quies
From: Nicholas Bellinger
With the addition of commit 00d909a107 in v4.19-rc, it incorrectly assumes no
signals will be pending for task_struct executing the normal session shutdown
and I/O quiesce code-path.
For example, iscsi-target and iser-target issue SIGINT to all kthreads as
part of sessio
From: Nicholas Bellinger
Hi MNC, MKP & Co,
While testing v4.19-rc recently with simple backend I/O error injection
(via delayed BIO completion), I was able to trigger an end-less loop
deadlock with recent changes in commit 00d909a107:
Author: Bart Van Assche
Date: Fri Jun 22 14:52:53 201
Hi Linus,
Here are the target-pending updates for v4.16-rc1. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
The highlights include:
- Numerous target-core-user improvements related to queue full and timeout
handling. (MNC)
- Prev
Hey Florian & Co,
On Fri, 2018-01-19 at 18:26 +0100, Florian Westphal wrote:
> Eric Dumazet wrote:
> > On Fri, 2018-01-19 at 14:36 +0100, Florian Westphal wrote:
> > > diff --git a/drivers/target/iscsi/iscsi_target_nego.c
> > > b/drivers/target/iscsi/iscsi_target_nego.c
> > > index b686e2ce9c0e.
On Tue, 2018-01-16 at 10:25 -0600, Michael Christie wrote:
> On 01/16/2018 09:34 AM, Luis de Bethencourt wrote:
> > The trailing semicolon is an empty statement that does no operation.
> > It is completely stripped out by the compiler. Removing it since it doesn't
> > do
> > anything.
> >
> > Sig
Hi Chang & Co,
(Adding list + Himanshu CC')
On Sun, 2018-01-07 at 10:21 +, Changlimin wrote:
> Hi,
> It seems the qla2xxx commit cause Linux no response, has not fixed in lastest
> version 4.15-rc6.
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=726b8548
On Thu, 2018-01-11 at 11:10 -0600, Mike Christie wrote:
> On 01/11/2018 05:12 AM, Wei Yongjun wrote:
> > Fix to return error code -ENOMEM from the kzalloc() error handling
> > case instead of 0, as done elsewhere in this function.
> >
> > Fixes: fabe6a59cc5a ("tcmu: allow max block and global max
Hi Rasmus,
Apologies for the delayed follow-up on this.
On Tue, 2017-11-21 at 01:12 +0100, Rasmus Villemoes wrote:
> From: Rasmus Villemoes
>
> iscsi_parse_pr_out_transport_id launders the const away via a call to
> strstr(), and then modifies the buffer (writing a nul byte) through
> the retur
Hi Andrei,
Apologies for the delayed follow up.
On Wed, 2017-12-13 at 13:55 -0800, Andrei Vagin wrote:
> If a length of a range is zero, it means there is nothing to unmap
> and we can skip this range.
>
> Here is one more reason, why we have to skip such ranges. An unmap
> callback calls file_
Hello Linus,
Here are the target-pending updates for v4.15-rc1. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
This series is predominantly bug-fixes, with a few small improvements
that have been outstanding over the last release c
On Wed, 2017-11-08 at 11:43 +0300, Dan Carpenter wrote:
> "udev->nl_reply_supported" is an int but on 64 bit arches we are writing
> 8 bytes of data to it so it corrupts four bytes beyond the end of the
> struct.
>
> Fixes: b849b4567549 ("target: Add netlink command reply supported option for
> e
On Wed, 2017-11-08 at 11:44 +0300, Dan Carpenter wrote:
> We added a new error path here but we forgot to drop the lock first
> before returning.
>
> Fixes: 0d44374c1aae ("tcmu: fix double se_cmd completion")
> Signed-off-by: Dan Carpenter
Applied to target-pending/for-next.
Thanks DanC !
On Sun, 2017-11-05 at 08:05 -0800, James Bottomley wrote:
> On Sat, 2017-11-04 at 18:14 -0700, Nicholas A. Bellinger wrote:
> > Hi all,
> >
> > Just a friendly email after catching up on patches this week, the
> > majority of those outstanding on the list have been mer
From: Nicholas Bellinger
This patch fixes a bug during QUEUE_FULL where transport_complete_qf()
calls transport_complete_task_attr() after it's already been invoked
by target_complete_ok_work() or transport_generic_request_failure()
during initial completion, preceeding QUEUE_FULL.
This will res
From: Nicholas Bellinger
Hi all,
Here are the outstanding target bugfixes in queue for v4.15-rc1
code.
Patch #1 addresses a long standing bug wrt to QUEUE_FULL and
SCSI task attribute handling, that results in SCSI task related
counters getting updated multiple times during QUEUE_FULL.
It prim
From: Nicholas Bellinger
This patch fixes bug where early se_cmd exceptions that occur
before backend execution can result in use-after-free if/when
a subsequent ABORT_TASK occurs for the same tag.
Since an early se_cmd exception will have had se_cmd added to
se_session->sess_cmd_list via target
From: Nicholas Bellinger
This patch fixes a potential end-less loop during QUEUE_FULL,
where cmd->se_tfo->write_pending() callback fails repeatedly
but __transport_wait_for_tasks() has already been invoked to
quiese the outstanding se_cmd descriptor.
To address this bug, this patch adds a CMD_T_
From: Nicholas Bellinger
With the recent addition of transport_check_aborted_status() within
transport_generic_request_failure() to avoid sending a SCSI status
exception after CMD_T_ABORTED w/ TAS=1 has occured, it introduced
a COMPARE_AND_WRITE early failure regression.
Namely when COMPARE_AND_
From: Nicholas Bellinger
Since commit 59b6986dbf fixed a potential NULL pointer dereference
by allocating a se_tmr_req for ISCSI_TM_FUNC_TASK_REASSIGN, the
se_tmr_req is currently leaked by iscsit_free_cmd() because no
iscsi_cmd->se_cmd.se_tfo was associated.
To address this, treat ISCSI_TM_FUNC
From: Nicholas Bellinger
This patch fixes a se_cmd->cmd_kref reference leak that can
occur when a non immediate TMR is proceeded our of command
sequence number order, and CMDSN_LOWER_THAN_EXP is returned
by iscsit_sequence_cmd().
To address this bug, call target_put_sess_cmd() during this
specia
Hi all,
Just a friendly email after catching up on patches this week, the
majority of those outstanding on the list have been merged into
target-pending/for-next. Please see below.
For those who submitted patches, please have a look and let me know if
anything is else missing. Note there are tw
Hi Linus,
Here are the target-pending fixes for v4.13-rc5. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
The highlights include:
- Fix iscsi-target payload memory leak during ISCSI_FLAG_TEXT_CONTINUE
(Varun Prakash)
- Fix tcm_qla
On Tue, 2017-08-01 at 23:09 +0300, Dan Carpenter wrote:
> Calling list_del() on the iterator pointer in list_for_each_entry() will
> cause an oops. We need to user the _safe() version for that.
>
> Fixes: c73d02f63c16 ("tcmu: Add fifo type waiter list support to avoid
> starvation")
> Signed-off
From: Nicholas Bellinger
This patch fixes a bug associated with iscsit_reset_np_thread()
that can occur during parallel configfs rmdir of a single iscsi_np
used across multiple iscsi-target instances, that would result in
hung task(s) similar to below where configfs rmdir process context
was bloc
From: Nicholas Bellinger
This patch drops two incorrect usages of tcm_qla2xxx_free_cmd()
during TMR ABORT within tcm_qla2xxx_handle_data_work() and
tcm_qla2xxx_aborted_task(), which where attempting to dispatch
into workqueue context to do tcm_qla2xxx_complete_free() and
subsequently invoke trans
On Thu, 2017-07-13 at 14:33 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> Add some comments to make the scatter code to be more readable.
>
> Signed-off-by: Xiubo Li
> ---
> drivers/target/target_core_user.c | 30 +-
> 1 file changed, 25 insertions
On Wed, 2017-07-12 at 15:51 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> For most case the sg->length equals to PAGE_SIZE, so this bug won't
> be triggered. Otherwise this will crash the kernel, for example when
> all segments' sg->length equal to 1K.
>
> Signed-off-by: Xiubo
Hi Xiubo,
Apologies for the delayed response. Comments below.
On Wed, 2017-07-12 at 15:16 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> The fifo type waiter list will hold the udevs who are waiting for the
> blocks from the data global pool. The unmap thread will try to feed
Hi Linus,
Here are the target-pending updates for v4.13-rc1. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
Note there is a qla2xxx conflict with scsi.git as reported by SFR, which
should be straight-forward to resolve:
https://lk
On Tue, 2017-07-11 at 16:17 +, Bart Van Assche wrote:
> On Tue, 2017-07-11 at 00:22 -0700, Nicholas A. Bellinger wrote:
> > So rejecting this case as already done in commit abb85a9b51 is the
> > correct approach for >= v4.3.y.
>
> Hello Nic,
>
> I hope t
On Tue, 2017-07-11 at 23:43 +, Bart Van Assche wrote:
> On Tue, 2017-06-13 at 20:47 -0700, Himanshu Madhani wrote:
> > typedef struct srb {
> > + /*
> > +* Do not move cmd_type field, it needs to
> > +* line up with qla_tgt_cmd->cmd_type
> > +*/
> > + uint8_t cmd_type;
> > +
On Tue, 2017-07-11 at 23:38 +, Bart Van Assche wrote:
> On Fri, 2017-07-07 at 22:24 +0000, Nicholas A. Bellinger wrote:
> > From: Nicholas Bellinger
> >
> > This patch re-introduces part of a long standing login workaround that
> > was recently dr
On Tue, 2017-07-11 at 18:06 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> Remove useless blank line and code and at the same time add one error
> path to catch the errors.
>
> Signed-off-by: Xiubo Li
> ---
> drivers/target/target_core_user.c | 24 +++-
> 1
On Tue, 2017-07-11 at 17:59 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> For all the entries allocated from the ring cmd area, the memory is
> something like the stack memory, which will always reserve the old
> data, so the entry->req.iov_bidi_cnt maybe none zero.
>
> On some
On Tue, 2017-07-11 at 09:24 +, Damien Le Moal wrote:
> Xiubo,
>
> Well done ! This fixed my problem. The ZBC test suite now passes all tests on
> my target without crashing the kernel.
>
> Please see some comments/nitpicks below.
>
> Otherwise, please feel free to add my "tested-by"
>
Grea
Hey Robert,
Any chance to test this with your Flexboot PXE setup..?
Please give this a spin ASAP to verify it addresses the regression you
reported earlier, wrt FirstBurstLength not being proposed nor responded
to using Flexboot PXE.
Thank you.
On Fri, 2017-07-07 at 22:24 +, Nicholas A
On Mon, 2017-07-10 at 11:47 +0300, Dan Carpenter wrote:
> There are "req->num_outstanding_cmds" elements in the
> req->outstanding_cmds[] array so the > here should be >=.
>
> Signed-off-by: Dan Carpenter
>
> diff --git a/drivers/scsi/qla2xxx/qla_target.c
> b/drivers/scsi/qla2xxx/qla_target.c
>
Hey Xiubo,
On Tue, 2017-07-11 at 16:04 +0800, Xiubo Li wrote:
> Hi All
>
> Please ignore about this patch.
>
> Just my mistake.
>
> Sorry.
>
Damien (CC'ed) has been observing something similar atop the latest
target-pending/for-next with his user-space ZBC backend:
http://www.spinics.net/lis
Hi Bart,
On Thu, 2017-06-08 at 23:55 -0700, Nicholas A. Bellinger wrote:
> On Thu, 2017-06-08 at 15:37 +, Bart Van Assche wrote:
> > On Thu, 2017-06-08 at 04:21 +, Nicholas A. Bellinger wrote:
> > > + /*
> > > + * Check for underflow case where both EDTL
Hey guys,
Apologies for missing this earlier. Comments below.
On Tue, 2017-06-13 at 20:47 -0700, Himanshu Madhani wrote:
> Hi Martin, Nic,
>
> This patch series adds support for multiqueue for qla2xxx target mode driver.
>
> This series depends on the seris applied to Martin's scsi/for-next br
From: Nicholas Bellinger
This patch re-introduces part of a long standing login workaround that
was recently dropped by:
commit 1c99de981f30b3e7868b8d20ce5479fa1c0fea46
Author: Nicholas Bellinger
Date: Sun Apr 2 13:36:44 2017 -0700
iscsi-target: Drop work-around for legacy Global
On Thu, 2017-07-06 at 23:05 -0700, Nicholas A. Bellinger wrote:
> On Fri, 2017-07-07 at 14:14 +0900, Damien Le Moal wrote:
> > Nicholas,
> >
> > On 7/7/17 13:50, Nicholas A. Bellinger wrote:
> > > Hey MNC & Co,
> > >
> > > On Wed, 2017-06-28
On Fri, 2017-07-07 at 14:14 +0900, Damien Le Moal wrote:
> Nicholas,
>
> On 7/7/17 13:50, Nicholas A. Bellinger wrote:
> > Hey MNC & Co,
> >
> > On Wed, 2017-06-28 at 12:44 -0500, Mike Christie wrote:
> >> On 06/28/2017 12:58 AM, Damien Le Moal wrote:
>
(Adding MNC CC')
On Wed, 2017-06-28 at 14:59 +0900, Damien Le Moal wrote:
> For a target device without a transport->transport_complete method
> defined (e.g. target_core_user), target_complete_cmd() will always
> result in a failed command completion being processed through target
> failure compl
(Adding MNC CC')
On Wed, 2017-06-28 at 14:58 +0900, Damien Le Moal wrote:
> If the user request handler completed the request with a CHECK CONDITION
> status, tcmu_handle_completion() copies the command entry sense data
> into the session request structure sense data. However, the sense data
> len
(Adding MNC CC')
On Wed, 2017-06-28 at 14:58 +0900, Damien Le Moal wrote:
> On completion of a request sent to the target backstore device,
> pscsi_req_done() calls target_complete_cmd() which in turn will execute
> pscsi_transport_complete(). In case of a failed request, this last
> function will
On Wed, 2017-06-28 at 14:58 +0900, Damien Le Moal wrote:
> TYPE_ZBC host managed zoned block devices are also block devices
> despite the non-standard device type (14h). Handle them similarly to
> regular TYPE_DISK devices.
>
> Signed-off-by: Damien Le Moal
> ---
> drivers/target/target_core_psc
Hi Damien,
On Wed, 2017-06-28 at 14:58 +0900, Damien Le Moal wrote:
> Add WRITE_VERIFY_32 definition to scsi prototypes and use this macro
> definition isntead of the hard coded value. Same for the already defined
> WRITE_VERIFY_16 command code.
>
> Signed-off-by: Damien Le Moal
> ---
> drivers
Hey MNC & Co,
On Wed, 2017-06-28 at 12:44 -0500, Mike Christie wrote:
> On 06/28/2017 12:58 AM, Damien Le Moal wrote:
> > If the user request handler completed the request with a CHECK CONDITION
> > status, tcmu_handle_completion() copies the command entry sense data
> > into the session request s
On Wed, 2017-07-05 at 13:15 -0500, Mike Christie wrote:
> On 07/04/2017 03:44 AM, Colin King wrote:
> > From: Colin Ian King
> >
> > Variables device_mutex and device_list static are local to the source,
> > so make them static.
> >
> > Cleans up sparse warnings:
> > "symbol 'device_list' was no
On Fri, 2017-06-30 at 16:14 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> When feeding the tcmu's cmd ring, we need to flush the dcache page
> for the cmd entry to make sure these kernel stores are visible to
> user space mappings of that page.
>
> For the none PAD cmd entry, t
Hey MNC,
On Mon, 2017-06-12 at 01:43 -0500, Mike Christie wrote:
> On 06/11/2017 04:02 PM, Mike Christie wrote:
> > On 06/09/2017 01:11 AM, Nicholas A. Bellinger wrote:
> >> Hi Bryant & Co,
> >>
> >> On Tue, 2017-06-06 at 09:28 -0500, Bryan
On Tue, 2017-06-13 at 14:29 +0100, Colin King wrote:
> From: Colin Ian King
>
> The array tcmu_attrib_attrs does not need to be in global scope, so make
> it static.
>
> Cleans up sparse warning:
> "symbol 'tcmu_attrib_attrs' was not declared. Should it be static?"
>
> Signed-off-by: Colin Ian
On Thu, 2017-06-15 at 15:05 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> Because the unmap code just after the schdule() returned may take
> a long time and if the kthread_stop() is fired just when in this
> routine, the module removal maybe stuck too.
>
> Signed-off-by: Xiubo
Hi Linus,
Here are the target-pending fixes for v4.12-rc7 that have been queued up
for the last 2 weeks. Please go ahead and pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
This includes:
- Fix a TMR related kref underflow detected by the recent refcoun
On Thu, 2017-06-08 at 07:34 -0500, Bryant G. Ly wrote:
> > Thanks Nic,
> >
> > applied to the configfs-for-next tree. I'm not entirely sure if we
> > should bother adding this to 4.12 or if it hits rarely enough?
> >
> It hits for us pretty often when we have a GPFS setup with 10 hosts and 1k+
>
On Thu, 2017-06-08 at 15:37 +, Bart Van Assche wrote:
> On Thu, 2017-06-08 at 04:21 +0000, Nicholas A. Bellinger wrote:
> > + /*
> > +* Check for underflow case where both EDTL and immediate data payload
> > +* exceeds what is presented by CDB's TRA
Hi Himanshu & Quinn,
On Wed, 2017-06-07 at 14:43 -0700, Himanshu Madhani wrote:
> Hi Nic,
>
> This patch series adds support for multiqueue for qla2xxx target mode driver.
>
> I've also added patch ("qla2xxx: Include Exchange offload/Extended Login
> into FW dump") which was dropped from earlier
Hi Bryant & Co,
On Tue, 2017-06-06 at 09:28 -0500, Bryant G. Ly wrote:
> From: "Bryant G. Ly"
>
> This patch consists of adding a netlink to allow for reconfiguration
> of a device in tcmu.
>
> It also changes and adds some attributes that are reconfigurable:
> write_cache, device size, and dev
On Tue, 2017-06-06 at 15:45 -0500, Bryant G. Ly wrote:
> ibmvscsis always returned 0 for the tpg/tag, since it did not
> parse the value passed in by the user.
>
> When functions like ALUA members exports the value, it will
> be incorrect because targetcli/rtslib starts the tpg numbering
> at 1.
>
On Mon, 2017-06-05 at 15:57 +, Bart Van Assche wrote:
> On Sat, 2017-06-03 at 22:10 +0000, Nicholas A. Bellinger wrote:
> > +static bool target_lookup_lun_from_tag(struct se_session *se_sess, u64 tag,
> > + u64 *unpacked_lun)
> > +{
Hi Himanshu & Quinn,
On Wed, 2017-06-07 at 05:02 +, Madhani, Himanshu wrote:
> > On Jun 3, 2017, at 3:10 PM, Nicholas A. Bellinger
> > wrote:
> >
> > From: Nicholas Bellinger
> >
> > Hi Himanshu + Quinn,
> >
> > Here is a sma
Reviews pretty please..?
On Sat, 2017-06-03 at 21:32 +, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> This patch fixes a BUG() in iscsit_close_session() that could be
> triggered when iscsit_logout_post_handler() execution from within
> tx thread context was n
(Adding Quinn CC')
Reviews please..?
On Sat, 2017-06-03 at 21:09 +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> This patch fixes a se_cmd->cmd_kref underflow during CMD_T_ABORTED
> when a fabric driver drops it's second reference from below the
From: Nicholas Bellinger
This patch closes a long standing race in configfs between
the creation of a new symlink in create_link(), while the
symlink target's config_item is being concurrently removed
via configfs_rmdir().
This can happen because the symlink target's reference
is obtained by con
From: Nicholas Bellinger
When iscsi WRITE underflow occurs there are two different scenarios
that can happen.
Normally in practice, when an EDTL vs. SCSI CDB TRANSFER LENGTH
underflow is detected, the iscsi immediate data payload is the
smaller SCSI CDB TRANSFER LENGTH.
That is, when a host fab
From: Nicholas Bellinger
This patch introduces TMR percpu reference counting using
se_lun->lun_ref in transport_lookup_tmr_lun(), following
how existing non TMR per se_lun reference counting works
within transport_lookup_cmd_lun().
It also adds explicit transport_lun_remove_cmd() calls to
drop t
From: Nicholas Bellinger
Following Himanshu's earlier patch to drop the redundant tag
lookup within __qlt_24xx_handle_abts(), go ahead and drop this
now QLA_TGT_ABTS can use TARGET_SCF_LOOKUP_LUN_FROM_TAG and
have target_submit_tmr() do this from common code.
Cc: Himanshu Madhani
Cc: Quinn Tran
From: Nicholas Bellinger
Hi Himanshu + Quinn,
Here is a small series to introduce proper percpu se_lun->lun_ref
counting for TMR, and add common code in target_submit_tmr() to
do tag lookup for unpacked_lun in order to drop the original
driver specific lookup within __qlt_24xx_handle_abts().
It
From: Nicholas Bellinger
This patch introduces support in target_submit_tmr() for locating a
unpacked_lun from an existing se_cmd->tag during ABORT_TASK.
When TARGET_SCF_LOOKUP_LUN_FROM_TAG is set, target_submit_tmr()
will do the extra lookup via target_lookup_lun_from_tag() and
subsequently inv
From: Nicholas Bellinger
This patch fixes a BUG() in iscsit_close_session() that could be
triggered when iscsit_logout_post_handler() execution from within
tx thread context was not run for more than SECONDS_FOR_LOGOUT_COMP
(15 seconds), and the TCP connection didn't already close before
then for
From: Nicholas Bellinger
This patch fixes a se_cmd->cmd_kref underflow during CMD_T_ABORTED
when a fabric driver drops it's second reference from below the
target_core_tmr.c based callers of transport_cmd_finish_abort().
Recently with the conversion of kref to refcount_t, this bug was
manifestin
Hi Bryant & Co,
On Tue, 2017-05-30 at 13:31 -0500, Bryant G. Ly wrote:
> This patch consists of adding a netlink to allow for reconfiguration
> of a device in tcmu.
>
> It also changes and adds some attributes that are reconfigurable:
> write_cache, device size, and device path.
>
> Bryant G. Ly
On Fri, 2017-06-02 at 09:13 +0800, Jia-Ju Bai wrote:
> On 06/01/2017 02:21 PM, Nicholas A. Bellinger wrote:
> > Hi Jia-Ju,
> >
> > On Wed, 2017-05-31 at 11:26 +0800, Jia-Ju Bai wrote:
> >> The driver may sleep under a spin lock, and the function call path is:
>
From: Nicholas Bellinger
When target_shutdown_sessions() is invoked to shutdown all active
sessions associated with a se_node_acl when se_node_acl->queue_depth
is changed via core_tpg_set_initiator_node_queue_depth(), it's
possible that new connections reconnect immediately after explicit
shutdow
From: Nicholas Bellinger
Instead of using a hardcoded magic value in se_device when verifying
a target config_item symlink source during target_fabric_port_link(),
go ahead and use target_core_dev_item_ops directly instead.
Cc: Christoph Hellwig
Cc: Mike Christie
Cc: Hannes Reinecke
Signed-of
From: Nicholas Bellinger
Instead of using a hardcoded magic value in se_lun when verifying
a target config_item symlink source during target_fabric_mappedlun_link(),
go ahead and use target_fabric_port_item_ops directly instead.
Cc: Christoph Hellwig
Cc: Mike Christie
Cc: Hannes Reinecke
Sign
On Thu, 2017-06-01 at 08:57 +0200, Christoph Hellwig wrote:
> How about this slightly easier to read version?
Fine by me.
Applied.
From: Nicholas Bellinger
The people who are actively using iblock_execute_write_same_direct() are
doing so in the context of ESX VAAI BlockZero, together with
EXTENDED_COPY and COMPARE_AND_WRITE primitives.
In practice though I've not seen any users of IBLOCK WRITE_SAME for
anything other than V
From: Nicholas Bellinger
When target_shutdown_sessions() is invoked to shutdown all active
sessions associated with a se_node_acl when se_node_acl->queue_depth
is changed via core_tpg_set_initiator_node_queue_depth(), it's
possible that new connections reconnect immediately after explicit
shutdow
return true;
}
EXPORT_SYMBOL(target_configure_unmap_from_queue);
Any objections..?
On Tue, 2017-04-11 at 22:30 -0700, Nicholas A. Bellinger wrote:
> On Mon, 2017-04-10 at 18:08 +0200, Christoph Hellwig wrote:
> > Use the pscsi driver to support arbitrary command passthrough
> > i
Hi Jia-Ju,
On Wed, 2017-05-31 at 11:26 +0800, Jia-Ju Bai wrote:
> The driver may sleep under a spin lock, and the function call path is:
> iscsit_tpg_enable_portal_group (acquire the lock by spin_lock)
> iscsi_update_param_value
> kstrdup(GFP_KERNEL) --> may sleep
>
> To fix it, the "GFP_KE
Hey MNC,
Any comments on this..?
It's been sitting on the list for a while now.. ;)
On Fri, 2017-05-05 at 10:51 +0800, lixi...@cmss.chinamobile.com wrote:
> From: Xiubo Li
>
> The fifo type waiter list will hold the udevs who are waiting for the
> blocks from the data global pool. The unmap t
Hello Linus,
Here are the target-pending fixes for v4.12-rc4. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git master
This includes:
- ibmviscsis ABORT_TASK handling fixes that missed the v4.12 merge
window. (Bryant Ly and Michael Cyr
On Wed, 2017-05-31 at 15:28 -0500, Mike Christie wrote:
> On 05/30/2017 11:58 PM, Nicholas A. Bellinger wrote:
> > Hey MNC,
> >
> > On Fri, 2017-05-26 at 22:14 -0500, Mike Christie wrote:
> >> Thanks for the patch.
> >> The patch fixes the cra
05/26/2017 12:32 AM, Nicholas A. Bellinger wrote:
> >
> > - state = iscsi_target_sk_state_check(sk);
> > - write_unlock_bh(&sk->sk_callback_lock);
> > -
> > - pr_debug("iscsi_target_sk_state_change: state: %d\n", state);
> > + ori
From: Nicholas Bellinger
This patch fixes a OOPs originally introduced by:
commit bb048357dad6d604520c91586334c9c230366a14
Author: Nicholas Bellinger
Date: Thu Sep 5 14:54:04 2013 -0700
iscsi-target: Add sk->sk_state_change to cleanup after TCP failure
which would trigger a NULL
On Tue, 2017-05-16 at 17:49 -0500, Bryant G. Ly wrote:
> From: Michael Cyr
>
> Changes to support a new mechanism from phyp to better synchronize the
> logical partition migration (LPM) of the client partition.
> This includes a new VIOCTL to register that we support this new
> functionality, and
On Thu, 2017-05-11 at 13:39 -0700, Tyrel Datwyler wrote:
> On 05/09/2017 02:46 PM, Gustavo A. R. Silva wrote:
> > Local variable _ret_ is assigned to a constant value and it is never
> > updated again. Remove this variable and the dead code it guards.
> >
> > Addresses-Coverity-ID: 140761
> > Sign
On Fri, 2017-05-19 at 14:53 -0700, Himanshu Madhani wrote:
> From: Quinn Tran
>
> In case of hardware queue full, commands can loop between
> TCM stack and tcm_qla2xx shim layers for retry. While command
> is waiting for retry, task mgmt can get ahead and abort the
> cmmand that encountered queue
On Fri, 2017-05-19 at 14:53 -0700, Himanshu Madhani wrote:
> From: Quinn Tran
>
> Convert 32bit LUN field to 64bit LUN.
>
> Signed-off-by: Quinn Tran
> Signed-off-by: Himanshu Madhani
> ---
> drivers/scsi/qla2xxx/qla_target.c | 30 +-
> drivers/scsi/qla2xxx/qla_ta
On Fri, 2017-05-19 at 23:43 +, Bart Van Assche wrote:
> On Fri, 2017-05-19 at 14:53 -0700, Himanshu Madhani wrote:
> > From: Quinn Tran
> >
> > During ABTS or Abort task, qla2xxx does a pre-search for
> > the se_cmd, based on command's tag. The same search is
> > performed by TCM. Remove the
Hi Linus,
Here are the target-pending updates for v4.12-rc1. Please go ahead and
pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
Things where alot more calm than previously expected. It's primarily
fixes in various areas, with most of the new function
From: Nicholas Bellinger
During v4.3 when the overflow/underflow check was relaxed by
commit c72c525022:
commit c72c5250224d475614a00c1d7e54a67f77cd3410
Author: Roland Dreier
Date: Wed Jul 22 15:08:18 2015 -0700
target: allow underflow/overflow for PR OUT etc. commands
to allow
On Thu, 2017-05-11 at 10:40 -0500, Bryant G. Ly wrote:
> On 5/9/17 10:45 PM, Nicholas A. Bellinger wrote:
>
> > On Tue, 2017-05-09 at 11:50 -0500, Bryant G. Ly wrote:
> >> This patch is dependent on:
> >> 'commit 25e78531268e ("ibmvscsis: Do not send
On Wed, 2017-05-10 at 14:35 -0500, Bryant G. Ly wrote:
> The current code is not correctly calculating the req_lim_delta.
>
> We want to make sure vscsi->credit is always incremented when
> we do not send a response for the scsi op. Thus for the case where
> there is a successfully aborted task we
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