On Fri, 2015-06-19 at 15:05 +0200, Christoph Hellwig wrote:
> > --- a/drivers/target/target_core_alua.c
> > +++ b/drivers/target/target_core_alua.c
> > @@ -1880,12 +1880,19 @@ static void core_alua_put_tg_pt_gp_from_name(
> > static void __target_attach_tg_pt_gp(struct se_lun *lun,
> >
On Fri, 2015-06-19 at 15:06 +0200, Christoph Hellwig wrote:
> On Thu, Jun 11, 2015 at 10:01:28AM +0200, Hannes Reinecke wrote:
> > SAM mandates that an BUS DEVICE RESET FUNCTION OCCURRED
> > UA needs to be send after a LUN RESET tmr has completed.
> >
> > Signed-off-by: Hannes Reinecke
> > ---
>
On Fri, 2015-06-19 at 15:07 +0200, Christoph Hellwig wrote:
> > + hlist_for_each_entry_rcu(tmp, &nacl->lun_entry_hlist, link) {
> > + if (tmp == new)
> > + continue;
> > + core_scsi3_ua_allocate(tmp, 0x3F,
> > +
This patch changes the st driver to use attribute groups so
driver sysfs files are created automatically. See the
following for reference:
http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/
Signed-off-by: Shane Seymour
---
--- a/drivers/scsi/st.c 2015-06-22 14:20:40.82961
On Fri, 2015-06-19 at 09:13 +0200, Hannes Reinecke wrote:
> On 06/19/2015 08:48 AM, Christoph Hellwig wrote:
> > What's the benefit of the SAS transport class writeout? I honestly
> > always saw tcm_loop as a simple loopback driver, with the different
> > transport IDs in the PR code as a gimmick.
Issue:
In case of hw iscsi offload, an host can have N-number of active
connections. There can be IO's running on some connections which
make host->host_busy always TRUE. Now if logout from a connection
is tried then the code gets into an infinite loop as host->host_busy
is always TRUE.
isc
On 06/23/2015 10:29 AM, Nicholas A. Bellinger wrote:
> On Fri, 2015-06-19 at 09:13 +0200, Hannes Reinecke wrote:
>> On 06/19/2015 08:48 AM, Christoph Hellwig wrote:
>>> What's the benefit of the SAS transport class writeout? I honestly
>>> always saw tcm_loop as a simple loopback driver, with the
On 06/21/2015 02:46 PM, Timothy Pearson wrote:
> On 06/16/2015 01:49 PM, Timothy Pearson wrote:
>> On 06/16/2015 12:42 PM, Joe Lawrence wrote:
>>> On 06/16/2015 12:28 PM, Timothy Pearson wrote:
On 06/12/2015 05:05 PM, Timothy Pearson wrote:
> The mpt2sas driver crashes if the BIOS does n
Hi,
Upstream contributor should not add copyright to this driver code.
Regards,
Sreekanth
On Tue, Jun 23, 2015 at 9:24 AM, Joe Lawrence wrote:
>
>
> On 06/21/2015 02:46 PM, Timothy Pearson wrote:
>> On 06/16/2015 01:49 PM, Timothy Pearson wrote:
>>> On 06/16/2015 12:42 PM, Joe Lawrence wrote:
>
On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
> Hi,
>
> Upstream contributor should not add copyright to this driver code.
I can't agree with that as a general rule: it depends on the
significance of the contribution. The somewhat ill defined standard for
this is the contribution mus
On Tue, Jun 23, 2015 at 7:05 PM, James Bottomley
wrote:
> On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
>> Hi,
>>
>> Upstream contributor should not add copyright to this driver code.
>
> I can't agree with that as a general rule: it depends on the
> significance of the contribution.
Still, I wonder if the kernel should allow the user to configure the
real granularity and send ATA commands that are rounded off by it
(which works just like --step in blkdiscard). For example,
(64 * 65535) % 8 = 0
but
65535 % 8 = 7
So the block count limit for the ATA commands would be 65535 -
From: Of James Bottomley
> Sent: 22 June 2015 18:36
> To: Alan Stern
...
> > > Obviously, for a disk with a writeback cache that can't do flush, that
> > > window is much wider and the real solution should be to try to switch
> > > the cache to write through.
> >
> > I agree. Doing the switch manu
> "Tom" == Tom Yan writes:
Tom> I don't know whether the USB bridging or the way hdparm does TRIM
Tom> matters, but it seems that some devices can't really handle limit
Tom> like 0x3fffc0 blocks.
The 0x3fffc0 limit is for SATA devices connected through Linux' libata
SCSI ATA translation. Thi
Commit bcdb247c6b6a ("sd: Limit transfer length") clamped the maximum
size of an I/O request to the MAXIMUM TRANSFER LENGTH field in the BLOCK
LIMITS VPD. This had the unfortunate effect of also limiting the maximum
size of non-filesystem requests sent to the device through sg/bsg.
Avoid using blk
We have come across a couple of devices that report unreasonable values
in the optimal I/O size in the Block Limits VPD page. Since this is a
32-bit entity that gets multiplied by the logical block size we can get
disproportionately large values reported to the block layer.
Cap io_opt at 256 MB.
Now that we sanity check the optimal I/O size reported by the device we
no longer need to blacklist the VPD pages on certain Seagate drives.
Signed-off-by: Martin K. Petersen
Cc: sta...@vger.kernel.org
---
drivers/scsi/scsi_devinfo.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scs
> "Sreekanth" == Sreekanth Reddy writes:
Sreekanth> In this patch, increased the number of MSIX vector support
Sreekanth> for SAS3 C0 HBAs to up-to 96.
Reviewed-by: Martin K. Petersen
--
Martin K. Petersen Oracle Linux Engineering
--
To unsubscribe from this list: send the line "unsu
> Sreekanth Reddy writes:
> Following is the change set, 1. Added more defines for the BiosOptions
> field of MPI2_CONFIG_PAGE_BIOS_1. 2. Added
> MPI2_TOOLBOX_CLEAN_BIT26_PRODUCT_SPECIFIC definition.
Reviewed-by: Martin K. Petersen
--
Martin K. Petersen Oracle Linux Engineering
--
T
On 23 June 2015 at 23:36, Martin K. Petersen wrote:
>
> You haven't given us any reason to. We are not aware of any ATA drives
> that put constraints on the range block count.
>
What I have been doing is trying to show you example of those
constraints. When I talked about the block count limit of
On Thu, 2015-06-04 at 00:54 +0900, Masanari Iida wrote:
> This patch fix some "a ethernet" in MODULE_DESCRIPTIONS in
> fcoe_transport.c
>
> Signed-off-by: Masanari Iida
> ---
> drivers/scsi/fcoe/fcoe_transport.c | 8
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/dr
> "Tom" == Tom Yan writes:
Tom> Currently what the kernel does is assume all devices support 1
Tom> sector granularity.
The ATA Command Set does not allow for any other granularity than 1
sector.
Bigger granularity reporting is supported in SCSI SBC to allow for
thinly provisioned disk arra
On 24 June 2015 at 01:03, Martin K. Petersen wrote:
>
> It don't know what these "lower limits" you are talking about are.
>
[tom@localhost ~]$ sudo shred -v -n 1 /dev/sda3
[tom@localhost ~]$ sudo blkdiscard -l 512 /dev/sda3
[tom@localhost ~]$ sudo hexdump -n 4096 /dev/sda3 | head
000 58c7 f
On 06/23/2015 08:35 AM, James Bottomley wrote:
On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
Hi,
Upstream contributor should not add copyright to this driver code.
I can't agree with that as a general rule: it depends on the
significance of the contribution. The somewhat ill defi
On Tue, 2015-06-23 at 12:33 -0500, Timothy Pearson wrote:
> On 06/23/2015 08:35 AM, James Bottomley wrote:
> > On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
> >> Hi,
> >>
> >> Upstream contributor should not add copyright to this driver code.
> >
> > I can't agree with that as a general
On 06/23/2015 12:45 PM, James Bottomley wrote:
On Tue, 2015-06-23 at 12:33 -0500, Timothy Pearson wrote:
On 06/23/2015 08:35 AM, James Bottomley wrote:
On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
Hi,
Upstream contributor should not add copyright to this driver code.
I can't ag
On Tue, 2015-06-23 at 12:47 -0500, Timothy Pearson wrote:
> On 06/23/2015 12:45 PM, James Bottomley wrote:
> > On Tue, 2015-06-23 at 12:33 -0500, Timothy Pearson wrote:
> >> On 06/23/2015 08:35 AM, James Bottomley wrote:
> >>> On Tue, 2015-06-23 at 18:06 +0530, Sreekanth Reddy wrote:
> Hi,
> >
On 06/23/2015 12:56 PM, James Bottomley wrote:
On Tue, 2015-06-23 at 12:47 -0500, Timothy Pearson wrote:
On 06/23/2015 12:45 PM, James Bottomley wrote:
On Tue, 2015-06-23 at 12:33 -0500, Timothy Pearson wrote:
On 06/23/2015 08:35 AM, James Bottomley wrote:
On Tue, 2015-06-23 at 18:06 +0530, S
On Tue, 2015-06-23 at 12:59 -0500, Timothy Pearson wrote:
> On 06/23/2015 12:56 PM, James Bottomley wrote:
> > On Tue, 2015-06-23 at 12:47 -0500, Timothy Pearson wrote:
> >> On 06/23/2015 12:45 PM, James Bottomley wrote:
> >>> On Tue, 2015-06-23 at 12:33 -0500, Timothy Pearson wrote:
> On 06/2
Hello James,
I haven't heard any feedback on this patch, so I was wondering if this
documentation patch is something you're considering to review?
Many thanks in advance,
Rajat
On Tue, Jun 9, 2015 at 10:43 AM, Rajat Jain wrote:
> Add documentation to describe the various scenarios that the scs
> "Tom" == Tom Yan writes:
Tom> So when libata issue ATA commands with ranges of 65535 sectors,
Tom> only 65535-(65535%8) = 65528 sectors are discarded,
That's unfortunate but TRIM is advisory so the drive is free to ignore
all or parts of the request.
What happens if you discard sectors 0-
The mpt2sas driver crashes if the BIOS does not set up at least one
memory I/O resource. This failure can happen if the device is too
slow to respond during POST and is missed by the BIOS, but Linux
then detects the device later in the boot process.
Signed-off-by: Timothy Pearson
Tested-by: Timo
The mpt3sas driver crashes if the BIOS does not set up at least one
memory I/O resource. This failure can happen if the device is too
slow to respond during POST and is missed by the BIOS, but Linux
then detects the device later in the boot process.
Signed-off-by: Timothy Pearson
---
drivers/sc
First of all let me add another "statistic" about the issue:
[tom@localhost ~]$ sudo shred -n 1 /dev/sda3
[tom@localhost ~]$ sudo blkdiscard /dev/sda3
[tom@localhost ~]$ sudo hexdump /dev/sda3 | wc -l
310635
[tom@localhost ~]$ sudo hexdump /dev/sda3 | pcregrep -M '
000
On Tue, Jun 23, 2015 at 08:11:00AM +, Seymour, Shane M wrote:
> This patch changes the st driver to use attribute groups so
> driver sysfs files are created automatically. See the
> following for reference:
>
> http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/
>
> Sig
> "Tom" == Tom Yan writes:
Tom> total untrimmed sectors: (310635 - 1 - 2410) / 32 = 9632 total
Tom> ranges: (43 GiB * (1024 ^ 3) / 512) / 65535 ~= 1376 average
Tom> untrimmed sectors per range: (9632 / 1376) = 7 = (65535 % 8)
Every type of drive has its own internal restrictions. Unless the
Support HighPoint RR36xx HBAs which are based on Marvell Frey.
Support SAS tape and SAS media changer.
Signed-off-by: HighPoint Linux Team
drivers/scsi/hptiop.c | 104
+++
drivers/scsi/hptiop.h |6 +--
2 files changed, 69 insertio
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:12 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:13 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
Reviewed-by: Mahesh Rajashekhara
-Original Message-
From: Rajinikanth Pandurangan
Sent: Thursday, June 11, 2015 7:13 AM
To: jbottom...@parallels.com; linux-scsi@vger.kernel.org
Cc: aacr...@pmc-sierra.com; Harry Yang; Mahesh Rajashekhara; Rich Bono; Achim
Leubner; Murthy Bhat; Rajinikan
-Original Message-
From: Nicholas Krause [mailto:xerofo...@gmail.com]
Sent: Wednesday, June 24, 2015 5:43 AM
To: kashyap.de...@avagotech.com
Cc: sumit.sax...@avagotech.com; uday.ling...@avagotech.com;
jbottom...@odin.com; megaraidlinux@avagotech.com;
linux-scsi@vger.kernel.org; linux-ke
Convert DRIVER_ATTR macros to DRIVER_ATTR_RO as requested by
Greg KH. Also switched to using sprintf as nothing printed should
exceed PAGE_SIZE - based on feedback from Greg when implementing
show functions for tape stats.
Suggested-by: Greg Kroah-Hartman
Signed-off-by: Shane Seymour
---
This p
Convert DRIVER_ATTR macros to DRIVER_ATTR_RO as requested by
Greg KH. Also switched to using sprintf as nothing printed should
exceed PAGE_SIZE - based on feedback from Greg when implementing
show functions for tape stats.
Suggested-by: Greg Kroah-Hartman
Signed-off-by: Shane Seymour
---
This p
On (06/24/15 06:10), Seymour, Shane M wrote:
[..]
>
> /* The sysfs driver interface. Read-only at the moment */
> -static ssize_t st_try_direct_io_show(struct device_driver *ddp, char *buf)
> +static ssize_t try_direct_io_show(struct device_driver *ddp, char *buf)
> {
> - return snprintf(bu
Convert DRIVER_ATTR macros to DRIVER_ATTR_RO requested by
Greg KH. Also switched to using scnprintf instead of snprintf
per Documentation/filesystems/sysfs.txt.
Suggested-by: Greg Kroah-Hartman
Signed-off-by: Shane Seymour
---
This patch was implemented on top of the previous patch to
convert t
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