}
#endif
return 0;
Reviewed-by: Cathy Avery <cav...@redhat.com>
/O to complete while holding scsi_sd_probe_domain.
Also returning the default error of DID_TARGET_FAILURE causes
multipath to not retry the I/O resulting in applications receiving I/O
errors before a failover can occur.
Signed-off-by: Cathy Avery <cav...@redhat.com>
Signed-off-by: Long L
ailover while running fio
and taking hyperV snap shots while luns are being hot added and removed.
Tested-by: Cathy Avery <cav...@redhat.com>
kqueue to serialize work in
storvsc_handle_error [Christoph Hellwig]
Changes since v2:
Replaced create_singlethread_workqueue with
alloc_ordered_workqueue [Christoph Hellwig]
Added reviewed by's.
Signed-off-by: Cathy Avery <cav...@redhat.com>
Reviewed-by: Christoph Hellwig <h...@lst.de>
Reviewe
On 10/31/2017 08:24 AM, Martin K. Petersen wrote:
If you use alloc_ordered_workqueue directly instead of
create_singlethread_workqueue you can pass a format string and don't
need the separate allocation.
But I'm not sure if Tejun is fine with using __WQ_LEGACY directly..
The only thing that
kqueue to serialize work in
storvsc_handle_error [Christoph Hellwig]
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 27 ++-
1 file changed, 22 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
i
kqueue to serialize work in
storvsc_handle_error [Christoph Hellwig]
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 27 ++-
1 file changed, 22 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
i
inux/blk-mq.h| 15 ++--
include/linux/blkdev.h| 32 +--
16 files changed, 313 insertions(+), 104 deletions(-)
I've tested this patch set for spi_transport issuing a domain validation
under low blk_request conditions.
Tested-by: Cathy Avery <cav...@redhat.com>
On 04/15/2017 10:06 AM, Christoph Hellwig wrote:
Just add a singlethreaded workqueue for storvsc_handle_error and you'll
get serialization for all error handling for free.
The problem I am seeing is that many work items can be queued up for the
same lun before it goes away. The single
to scan the scsi stack via
echo "- - -" > /sys/class/scsi_host/hostX/scan.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 23 ++-
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers
rport's role in
fc_rport_identifiers. This insures that a valid scsi_target_id
is assigned to the newly created rport and it can meet the
requirements of fc_user_scan_tgt calling scsi_scan_target.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/scsi_transport_fc.c | 10 +
.
Changes since v2:
- Additional patch adding FC_PORT_ROLE_FCP_DUMMY_INITIATOR role
to fc_transport
- Changed storvsc rport role to FC_PORT_ROLE_FCP_DUMMY_INITIATOR
Changes since v1:
- Fix fc_rport_identifiers init [Stephen Hemminger]
- Better error checking
Cathy Avery (2):
scsi
ted as scsi_remove_device also tries to take host->scan_mutex.
This results in dragging the VM down and sometimes completely.
This patch only allows one remove lun to be issued to a particular
lun while it is an instantiated member of the scsi stack.
Signed-off-by: Cathy Avery <cav...@r
to scan the scsi stack via
echo "- - -" > /sys/class/scsi_host/hostX/scan.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 23 ++-
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers
rport's role in
fc_rport_identifiers. This insures that a valid scsi_target_id
is assigned to the newly created rport and it can meet the
requirements of fc_user_scan_tgt calling scsi_scan_target.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/scsi_transport_fc.c | 10 +
.
Changes since v2:
- Additional patch adding FC_PORT_ROLE_FCP_DUMMY_INITIATOR role
to fc_transport
- Changed storvsc rport role to FC_PORT_ROLE_FCP_DUMMY_INITIATOR
Changes since v1:
- Fix fc_rport_identifiers init [Stephen Hemminger]
- Better error checking
Cathy Avery (2):
scsi
On 04/03/2017 08:17 AM, Christoph Hellwig wrote:
if (host->transportt == fc_transport_template) {
+ struct fc_rport_identifiers ids = {
+ .roles = FC_PORT_ROLE_FCP_TARGET,
+ };
I don't think storvsc ever acts as FCP target.
In order to
"- - -" > /sys/class/scsi_host/hostX/scan now works.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
Changes since v1:
- Fix fc_rport_identifiers init [Stephen Hemminger]
- Better error checking
---
drivers/scsi/storvsc_drv.c | 23 ++-
1 file changed, 18 inserti
"- - -" > /sys/class/scsi_host/hostX/scan now works.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
Changes since v1:
- Fix fc_rport_identifiers init [Stephen Hemminger]
- Better error checking
---
drivers/scsi/storvsc_drv.c | 23 ++-
1 file changed, 18 inserti
Good catch. Thanks!
On 03/14/2017 12:42 PM, Stephen Hemminger wrote:
On Tue, 14 Mar 2017 12:01:03 -0400
Cathy Avery <cav...@redhat.com> wrote:
#if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
if (host->transportt == fc_transport_template) {
+ struct fc_rport_identi
"- - -" > /sys/class/scsi_host/hostX/scan now works.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 15 ++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 638e
Hi,
I haven't received any feedback yet.
Should I resend?
Thanks,
Cathy
On 02/28/2017 01:45 PM, Cathy Avery wrote:
Included in the current storvsc driver for Hyper-V is the ability
to access luns on an FC fabric via a virtualized fiber channel
adapter exposed by the Hyper-V host. The driver
"- - -" > /sys/class/scsi_host/hostX/scan now works.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 15 ++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 585e
created when the transport driver loads.
They are just not populated when running in lightweight mode. Conceptually
both lightweight and heavyweight clients could coexist.
4) fc_transport_template->user_scan is now null and the bus can be scanned.
Signed-off-by: Cathy Avery <cav...@redh
ed that the word lightweight may not be
the best choice of terms when describing the new FC transport
option. I can offer a few new ones but I am not particularly
imaginative.
Virtual FC
Mini FC
Host only FC
Changes from V1:
Added more comments and documentation in the code regarding
the lightweight
scsi_times_out() scsi_error.c. So the workaround is no longer
necessary.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 12 +++-
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 8
;
/sys/class/scsi_host/hostX/scan.
Cathy
On 01/22/2017 10:13 PM, Fam Zheng wrote:
On Wed, 01/18 15:28, Cathy Avery wrote:
Enable FC lightweight host option so that the luns exposed by
the driver may be manually scanned.
Hi Cathy, out of curiosity: how does this relate to issue_lip opera
necessitating its own patch.
I will break it out in the next go round.
Thanks,
Cathy
On 01/20/2017 04:31 AM, Dan Carpenter wrote:
On Thu, Jan 19, 2017 at 12:55:27PM -0500, Cathy Avery wrote:
On 01/18/2017 06:15 PM, Dan Carpenter wrote:
On Wed, Jan 18, 2017 at 03:28:58PM -0500, Cathy Avery wrote
On 01/18/2017 06:15 PM, Dan Carpenter wrote:
On Wed, Jan 18, 2017 at 03:28:58PM -0500, Cathy Avery wrote:
Enable FC lightweight host option so that the luns exposed by
the driver may be manually scanned.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv
On 01/19/2017 10:11 AM, Christoph Hellwig wrote:
On Wed, Jan 18, 2017 at 03:28:57PM -0500, Cathy Avery wrote:
The patch provides a means to offer a lightweight option to the
current FC transport class. The new option is selected by a
driver when it indicates it wants the lightweight
transport
Enable FC lightweight host option so that the luns exposed by
the driver may be manually scanned.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/driver
The patch provides a means to offer a lightweight option to the
current FC transport class. The new option is selected by a
driver when it indicates it wants the lightweight
transport via fc_function_template.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/scsi_transpor
.
Patch 1: The patch provides a lightweight option to the current FC
transport class. The new option is selected by a driver when it
indicates it wants the lightweight transport in fc_function_template.
Patch 2: storvsc elects using the new lightweight FC host option.
Cathy Avery (2):
scsi
the lightweight
transport in fc_function_template. I have included the changes for
storvsc_drv.c in this patch as an example of a driver making use of the
lightweight transport option.
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/scsi_transport_fc.c
On a 32 bit kernel sizeof(void *) is not 64 bits as hv_mpb_array
requires. Also the buffer needs to be cleared or the upper bytes
will contain junk.
Suggested-by: Vitaly Kuznetsov <vkuzn...@redhat.com>
Signed-off-by: Cathy Avery <cav...@redhat.com>
ChangeLog:
v1) Initial submissio
On a 32 bit kernel sizeof(void *) is not 64 bits as hv_mpb_array
requires. Also the buffer needs to be cleared or the upper bytes
could contain junk.
Suggested-by: Vitaly Kuznets <vkuzn...@redhat.com>
Signed-off-by: Cathy Avery <cav...@redhat.com>
---
drivers/scsi/storvsc_drv.c | 3
When a virtual scsi DVD device is present with no image file
attached the storvsc driver logs all resulting unnecessary sense errors
whenever IO is issued to the device.
[storvsc] Sense Key : Not Ready [current]
[storvsc] Add. Sense: Medium not present - tray closed
Signed-off-by: Cathy Avery
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