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Hi James,
Attached please find patch for export device_busy for sdev.
The reason I do this is:
Sometime we see doing IO on several devices, on device may starve
others, eg:
I run fio on top the 4 disks exported by scst using srp:
(SRP default can_queue/cmd_per_lun is 62)
/dev/sdb: (g=0): rw=ran
On 09/11/2013 05:48 PM, Geert Uytterhoeven wrote:
On Wed, Sep 11, 2013 at 12:12 PM, Michael Schmitz wrote:
problem. Using PIO, only the first byte of the tag message comes through. It
might not be esp_scsi's fault, but there seems to be an assumption that all
devices support TCQ. Also, no SCSI-
Added check for DMA mapping errors for request sense data
buffer. Checking for mapping error can avoid potential wild
writes. This patch was prompted by the warning from
dma_unmap when kernel is compiled with CONFIG_DMA_API_DEBUG.
Signed-off-by: Khalid Aziz
---
drivers/scsi/BusLogic.c | 32 ++
On 09/11/2013 11:16 AM, Ren Mingxin wrote:
Hi, Hannes:
On 09/02/2013 07:58 PM, Hannes Reinecke wrote:
If abort succeeds the command is either retried or terminated,
depending on the number of allowed retries. However, 'eh_eflags'
records the abort, so if the retry would fail again the
command i
Hello Linus!
Here are the target updates for the v3.12-rc1 merge window.
Please go ahead and pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git for-next
Lots of activity again this round for I/O performance optimizations
(per-cpu IDA pre-allocation for vhost + isc
Signed-off-by: Hiral Patel
---
drivers/scsi/fnic/fnic.h |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index db7a950..528d43b 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -39,7 +39,7 @@
#defi
From: Narsimhulu Musini
Fixed appropriate error codes that returns negative error number on failure,
and 0 on success. fnic_reset() is used directly by the fc transport callback
issue_fc_host_lip which requires a negative error number on failure.
Signed-off-by: Narsimhulu Musini
Signed-off-by:
Storing MAC ADDR of each function in it's priv structure to
avoid issuing MAC_ADDR get IOCTL. Based on a flag set/unset
it's decided if MAC_ADDR is stored in priv structure or IOCTL
needs to be issued.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscs
When MBX CMD is posted in MCCQ and if command times out,during
mccq resource cleanup for the timed out command mccq->count
was not decremented. The led to BUG_ON being hit.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_cmds.c |6 +-
1
Allocating memory in the Host which will be used by the
TOE functionality during Session Offload. This fix will
allow performance improvement as adapter memory contention
will be reduced.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_cmds.c |
- If target does not send MaxRecvDSL in login repsonse, then
initiator should consider the MaxRecvDSL for target is 8K.
In this scenario driver was setting the value to 64K and this
caused target to close cxn as data xfer was more than the
MaxRecvDSL
- Update connection offload data s
On the adapter iSCSI protocol can be loaded on either one or both
the CHUTE.Check on which CHUTE iSCSI Protocol is loaded and get
configuration parameters based on which driver initization is done.
For BE-X family iSCSI protocol is loaded only on Chute - 1.
Signed-off-by: John Soni Jose
Sign
The default pdu is a common resource and needs to be protected
while manipulating it.
Signed-off-by: Minh Tran
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c |7 +++
drivers/scsi/be2iscsi/be_main.h |1 +
2 files changed
The timeout set in MBX_CMD is 100sec and the ready bit checking in BMBX
mode is done for 4sec. After 4sec the task is scheduled out for 5 secs
to avoid kernel soft lockup stack trace. The loop of 4sec ready bit check
and then schedule out is done until the following conditon occur
- The Ready
DEF_Q[HDR/DATA] is created on the chute on which iSCSI Protocol is loaded.
When a connection is offloaded, the DEF_Q HDR/Data ID needs to be passed.
FW posts ASYNC message received from target on the passed DEF_Q. Connection
can be offloaded on any of the chute so DEF_Q is created on each Chute
The connection is offload to each chute in a round-robin manner
if both the chute is loaded with iSCSI protocol
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_iscsi.c |6 ++
drivers/scsi/be2iscsi/be_main.c | 13 -
drivers/s
This patchset will update be2iscsi driver to 10.0.635.0
and contains the following patches based of scsi.git scsi-misc
`
PATCH 0001 - Fix Template HDR IOCTL
PATCH 0002 - Fix the MCCQ count leakage
PATCH 0003 - Fix repeated issue of MAC ADDR in get IOCTL
PATCH 0004 - Fix negotiated paramet
Initialization of SGL and related PAGE posting is to be done for the chute.
Based on configuration value of each Chute,SGL initialization and page posting
is done.
For BE-X family iSCSI protocol is loaded only on Chute - 1.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
--
Configuration parameters returns the number of connection that
can be offloaded one each chute.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_iscsi.c | 54 ++-
drivers/scsi/be2iscsi/be_main.c | 108 +++
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c |2 ++
drivers/scsi/be2iscsi/be_mgmt.c | 19 +++
drivers/scsi/be2iscsi/be_mgmt.h |3 +++
3 files changed, 24 insertions(+)
diff --git a/drivers/scsi/be2iscsi/be_main.c
This patch cleans up both chutes on unload
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c | 14 ++
drivers/scsi/be2iscsi/be_mgmt.c | 17 +
2 files changed, 23 insertions(+), 8 deletions(-)
diff --git
Bump the driver version
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.h |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 31ac059..c8ed461 10
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c | 11 ---
drivers/scsi/be2iscsi/be_main.h |1 +
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
inde
This patch fixes the lack of AER support
Signed-off-by: Minh Tran
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_cmds.c |2 +-
drivers/scsi/be2iscsi/be_iscsi.c | 68 ++--
drivers/scsi/be2iscsi/be_main.c | 220 +
When iSCSI stack invokes Abort or Reset handlers, the aborted tasks
Invalid Bit in WRB needs to be set. Else FW will not be aware of
the command invalidated which leads to BAD_WRB error posted by FW.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/b
Display CID available on each iSCSI Fn which can be used to
offload a connection. The display is split across available CID
on each chute.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c |8 ++--
drivers/scsi/be2iscsi/be_mgmt.c |
The MSIx to be created for SKH-R adapter should be based on
eq_count returned by get_fw_config.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c | 45 +--
drivers/scsi/be2iscsi/be_main.h |3 ++-
driv
Configuration parameters return number of CID each chute supports. The WRB_Q
is created for the passed CID count. If both the Chute has iSCSI Protocol then
WRB_Q creation is in a round robin mechanism.
For BE-X family iSCSI protocol is loaded only on Chute - 1.
Signed-off-by: John Soni Jose
When MBX_Cmd completion happens with error code Insufficient Buffer,
the MBX_Cmd is posted again with the new buffer size posted by FW.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_cmds.c | 20 ++---
drivers/scsi/be2iscsi/be_iscsi.c |
Template HDR is created for each chute which has iSCSI Protocol loaded.
For BE-X family iSCSI protocol is loaded only on Chute - 1.
Signed-off-by: John Soni Jose
Signed-off-by: Jayamohan Kallickal
---
drivers/scsi/be2iscsi/be_main.c | 44 +++
drivers/scs
On 09/13/2013 07:54 AM, Jun'ichi Nomura wrote:
> Since ENOSPC is a target-side error, dm-mpath should just pass the error
> information to upper layer instead of retrying itself with path failover.
> Otherwise it will end up failing all paths down while path checkers find
> all paths ok.
>
> ENOSP
Since ENOSPC is a target-side error, dm-mpath should just pass the error
information to upper layer instead of retrying itself with path failover.
Otherwise it will end up failing all paths down while path checkers find
all paths ok.
ENOSPC can now be returned from SCSI device after commit a9d6ceb
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