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commit d2131b33c7e07c2905ee2f2321cc4dae1928c483 upstream.
While doing various error injection testing, such as cable
pulls and target moves, some issues were observed in handling
these events. This patch improves the way these events are handled
by increasing the delay waiting for the fabric to settle and also
changes the behavior of Link Up to break the CRQ to ensure everything
gets cleaned up properly on the VIOS.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 1c41fa8288277e76785acb50f52bb2f39509f903 upstream.
Adds a delay prior to retrying a failed NPIV login. This fixes
a scenario if the backing fibre channel adapter is getting reset
due to an EEH event, NPIV login will fail. Currently, ibmvfc
retries three times very quickly, resets the CRQ and tries one
more time. If the adapter is getting reset due to EEH, this isn't
enough time. This adds a delay prior to retrying a failed NPIV
login and also increments the number of retries.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ST3450856SS 0003
commit ddccf307a3599e452804e228d8ed30fba578923e upstream.
I increased the delay step by step until loading of mvsas
reliably detected the drive 200 times in sequence. A much better
approach would be to monitor the hardware for some flag which
indicates that port detection has finished, but I do not have any
hardware documentation.
Signed-off-by: Reinhard Nissl <rnissl@gmx.de>
Cc: Ke Wei <kewei@marvell.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 58607b30fc0f2230a189500112c7a7cca02804cf upstream.
At some point since 2.6.22, the aha152x_cs driver stopped working and
started erring on load with the following messages:
kernel: pcmcia: request for exclusive IRQ could not be fulfilled.
kernel: pcmcia: the driver needs updating to supported shared IRQ lines.
With the following change, the driver works with shared IRQs.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 20c09df7eb9c92a40e0ecf654b6e8f14c8583b9e upstream.
This fixes the regression introduced by the commit
58e2a02eb18393e76a469580fedf7caec190eb5e (eata: convert to use the
data buffer accessors), reported:
http://marc.info/?t=122987621300006&r=1&w=2
- fix DMA_NONE handling in map_dma()
- this driver can't use scsi_dma_map since host->shost_gendev.parent
is not set properly (it uses scsi_register).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Arthur Marsh <arthur.marsh@internode.on.net>
Tested-by: Arthur Marsh <arthur.marsh@internode.on.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] mpt fusion: clear list of outstanding commands on host reset
[SCSI] scsi_lib: only call scsi_unprep_request() under queue lock
[SCSI] ibmvstgt: move crq_queue_create to the end of initialization
[SCSI] libiscsi REGRESSION: fix passthrough support with older iscsi tools
[SCSI] aacraid: disable Dell Percraid quirk on Adaptec 2200S and 2120S
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It's called under that lock everywhere else and it does alter the
request state, so it should be.
This one occurance in scsi_requeue_command() could open a window where
req->special is set to NULL while the requests is going through either
timeout or completion processing leading to NULL pointer derefs of the
sort complained of in bugzillas 12020 and 12195.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The test-unit-ready portion of this patch was causing boots to fail on
my test machine (as in http://lkml.org/lkml/2008/12/5/161). With this
patch in place, the system is booting reliably.
Mike Anderson found the same problem in the hp_hw_start_stop code,
and I applied the same solution in cdrom_read_cdda_bpc.
Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Cc: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Calling crq_queue_create could lead to the creation of a rport. We
need to set up everything before creating a rport. This moves
crq_queue_create to the end of initialization to avoid a race which
causes an oops if lost.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reported-by: Olaf Hering <olh@suse.de>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Update FMODE_NDELAY before each ioctl call so that we can kill the
magic FMODE_NDELAY_NOW. It would be even better to do this directly
in setfl(), but for that we'd need to have FMODE_NDELAY for all files,
not just block special files.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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This regression was added in 2.6.27, when the mtask and ctask were
merged into the the common task struct. The patch applies to
scsi-rc-fixes, but also applies to 2.6.27 with some offsets.
The problem is that __iscsi_conn_send_pdu assumes that userspace was
not sending nops with the format it is checking for in the "if" below.
It turns out that older userspace tools are. This patch moves the
setting of the internal ping_task tracker (it tracks libiscsi current
outstanding nop) to iscsi_send_nopout which is only used by kernel callers.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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A lot of 64bit machines with Adaptec 2200S and 2120S controllers don't
recognize SCSI disks any more with the patch
commit 94cf6ba11b068b8a8f68a1e88bffb6827e92124b
Author: Salyzyn, Mark <mark_salyzyn@adaptec.com>
Date: Thu Dec 13 16:14:18 2007 -0800
[SCSI] aacraid: fix driver failure with Dell PowerEdge Expandable RAID Controller 3/Di
but fail with tons of "aac_srb: aac_fib_send failed with status: 8195"
instead. This patch disables the quirk introduced in the change cited
above for those two controllers again.
[thenzl: added 2120S Controller]
Signed-off-by: Gernot Hillier <gernot.hillier@siemens.com>
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Matt Domsch <Matt_Domsch@dell.com>
Cc: AACRAID list <aacraid@adaptec.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] stex: switch to block timeout
[SCSI] make scsi_eh_try_stu use block timeout
[SCSI] megaraid_sas: switch to block timeout
[SCSI] ibmvscsi: switch to block timeout
[SCSI] aacraid: switch to block timeout
[SCSI] zfcp: prevent double decrement on host_busy while being busy
[SCSI] zfcp: fix deadlock between wq triggered port scan and ERP
[SCSI] zfcp: eliminate race between validation and locking
[SCSI] zfcp: verify for correct rport state before scanning for SCSI devs
[SCSI] zfcp: returning an ERR_PTR where a NULL value is expected
[SCSI] zfcp: Fix opening of wka ports
[SCSI] zfcp: fix remote port status check
[SCSI] fc_transport: fix old bug on bitflag definitions
[SCSI] Fix hang in starved list processing
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stex sets the timeout in its slave configure routine for all devices.
This now needs to update the request queue timeout in block.
Cc: Ed Lin <ed.lin@promise.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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scsi_eh_try_stu() was still using the timeout parameter in the device
which is now not set (i.e. zero filled) meaning that it waited no time
at all for the start unit command to complete (leading the routine to
conclude failure every time). This lead to a 2.6.27 regression:
http://bugzilla.kernel.org/show_bug.cgi?id=12120
Where firewire devices that were non spec compliant wouldn't spin up.
Fix this by using the block queue timeout value instead.
Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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megaraid_sas sets the timeout in its slave configure routine for devices
on special channels. This now needs to update the request queue timeout
in block.
Cc: "Yang, Bo" <Bo.Yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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ibmvscsi sets the timeout in its slave configure routine for disk
devices. This now needs to update the request queue timeout in block.
Cc: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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aacraid updates the timeout in its slave configure routine if it is too
small. This now needs to update the request queue timeout in block.
Cc: AACRAID list <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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PCI side of driver should be devinit, not init
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The code
if (shost->dma_channel != NO_ISA_DMA)
free_dma(shost->dma_channel);
in there is triggerable only if we have CONFIG_ISA (we only set ->dma_channel to
something other than NO_ISA_DMA under #ifdef CONFIG_ISA). OTOH, free_dma() is
not guaranteed to be there in absense of CONFIG_ISA. IOW, driver runs into
undefined symbols on PCI-but-not-ISA configs (e.g. on frv) and it's a false
positive.
Fix: put the entire if () under #ifdef CONFIG_ISA; behaviour doesn't change and
dependency on free_dma() disappears for !CONFIG_ISA.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Close possible infinite loop with interrupts off when devices are
added back to the starved list.
Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=11898
Reported-by: <alex.shi@intel.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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dpt_i2o.c::adpt_i2o_to_scsi() reads the value at (reply+5) which
should contain the length in bytes of the transferred data. This
would be correct if reply was a u32 *. However it is a void * here,
so we need to read the value at (reply+20) instead.
The value at (reply+5) is usually 0xff0000, which is apparently
'large enough' and didn't cause any trouble until 2.6.27 where
commit 427e59f09fdba387547106de7bab980b7fff77be
Author: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Sat Mar 8 18:24:17 2008 -0600
[SCSI] make use of the residue value
caused this to become visible through e.g. iostat -x .
Signed-off-by: Miquel van Smoorenburg <mikevs@xs4all.net>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Drivers want to be able to return DID_TRANSPORT_DISRUPTED and
have it do the right thing for commands like tape and passthrouh
as far as retries go. The LLDs previously used DID_BUS_BUSY or DID_ERROR
which followed the cmd->retries limit, but DID_TRANSPORT_DISRUPTED
was skipping that check so it could have caused a problem with tape
commands.
This patch has DID_TRANSPORT_DISRUPTED check the cmd->retries/cmd->allowed.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Mike Reed noted
(https://bugzilla.novell.com/show_bug.cgi?id=421330) that the
driver was incorrectly returning a SUCCESS status if the driver's
request to the firmware to abort a command failed. By doing so,
the mid-layer believed, incorrectly, that the command has
completed and has been returned (ultimately clearing
scsi_cmnd.request_buffer) yet the driver still has the command.
What should correctly happen is a mid-layer escalation
(device-reset, etc.) of recovery during which the driver will
eventually return the outstanding commands to the mid-layer.
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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For 23XX ISPs, max_vports may return an invalid value.
Do not honour it.
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=9422
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Use correct block size (4K) for erase command 0x20 for Atmel
Flash. Use dword addresses for determining sector boundary.
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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scsi_cmnd->cmnd was changed from a static array to a pointer post
2.6.25. It breaks mega_internal_command():
static int
mega_internal_command(adapter_t *adapter, megacmd_t *mc, mega_passthru *pthru)
{
...
scb = &adapter->int_scb;
memset(scb, 0, sizeof(scb_t));
scmd = &adapter->int_scmd;
memset(scmd, 0, sizeof(Scsi_Cmnd));
sdev = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
scmd->device = sdev;
scmd->device->host = adapter->host;
scmd->host_scribble = (void *)scb;
scmd->cmnd[0] = MEGA_INTERNAL_CMD;
mega_internal_command() uses scsi_cmnd allocated internally so
scmd->cmnd is NULL here. This patch adds a static array for cdb to
adapter_t and uses it here. This also uses
scsi_allocate_command/scsi_free_command, the recommended way to
allocate struct scsi_cmnd since the driver might use sense_buffer in
struct scsi_cmnd.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Boaz Harrosh <bharrosh@panasas.com>
Tested-by: Pascal Terjan <pterjan@gmail.com>
Reported-by: Pascal Terjan <pterjan@gmail.com>
Acked-by: "Yang, Bo" <Bo.Yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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As it is, all instances of ->release() for files that have ->fasync()
need to remember to evict file from fasync lists; forgetting that
creates a hole and we actually have a bunch that *does* forget.
So let's keep our lives simple - let __fput() check FASYNC in
file->f_flags and call ->fasync() there if it's been set. And lose that
crap in ->release() instances - leaving it there is still valid, but we
don't have to bother anymore.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
fdomain_cs: Sort out modules with duplicate description
pcmcia: Whine harder about use of EXCLUSIVE
pcmcia: IRQ_TYPE_EXCLUSIVE is long obsoleted
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (21 commits)
[SCSI] sd: fix computation of the full size of the device
[SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact
[SCSI] sun3x_esp: Convert && to ||
[SCSI] sd: remove command-size switching code
[SCSI] 3w-9xxx: remove unnecessary local_irq_save/restore for scsi sg copy API
[SCSI] 3w-xxxx: remove unnecessary local_irq_save/restore for scsi sg copy API
[SCSI] fix netlink kernel-doc
[SCSI] sd: Fix handling of NO_SENSE check condition
[SCSI] export busy state via q->lld_busy_fn()
[SCSI] refactor sdev/starget/shost busy checking
[SCSI] mptfusion: Increase scsi-timeouts, similariy to the LSI 4.x driver.
[SCSI] aic7xxx: Take the LED out of diagnostic mode on PM resume
[SCSI] aic79xx: user visible misuse wrong SI units (not disk size!)
[SCSI] ipr: use memory_read_from_buffer()
[SCSI] aic79xx: fix shadowed variables
[SCSI] aic79xx: fix shadowed variables, add statics
[SCSI] aic7xxx: update *_shipped files
[SCSI] aic7xxx: update .reg files
[SCSI] aic7xxx: introduce "dont_generate_debug_code" keyword in aicasm parser
[SCSI] scsi_dh: Initialize path state to be passive when path is not owned
...
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When computing the full size of the device, we need to cast
sdkp->capacity before shifting, since in some configurations sector_t
can be a 32-bit number.
Also, change ffz(~x) to the more idiomatic ilog2(x).
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The pattern !E && !E->fld is nonsensical. The patch below updates this
according to the assumption that && should be ||. But perhaps another
solution was intended.
The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@disable and_comm@
expression E;
identifier fld;
@@
- !E && !E->fld
+ !E || !E->fld
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-By: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch (as1138) removes from sd.c some old code for switching from
10-byte commands to 6-byte commands. This code is redundant -- the
switching for READ and WRITE is already handled in
scsi_io_completion() and the switching for MODE SENSE is already
handled in scsi_mode_sense(). (There is no comparable switch for MODE
SELECT, but I doubt one is needed.)
Furthermore the other handlers do a better job; they check for
appropriate ASC and ASCQ values before blindly switching the size.
The code in sd.c is known to cause problems with some devices by
switching when it shouldn't.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Since the commit 50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
twa_scsiop_execute_scsi_complete() a bit, which disables interrupts
just for scsi_sg_copy_from_buffer.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Since the commit 50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
tw_transfer_internal, which disables interrupts just for
scsi_sg_copy_from_buffer.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>\
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Fix kernel-doc warning: the function short description must be on one
line and the previous comment is not kernel-doc but it was confusing
scripts/kernel-doc.
Warning(lin2627-g3-kdocfixes//drivers/scsi/scsi_netlink.c:221): No description found for parameter 'skb'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The current handling of NO_SENSE check condition is the same as
RECOVERED_ERROR, and assumes that in both cases, the I/O was fully
transferred.
We have seen cases of arrays returning with NO_SENSE (no error), but
the I/O was not completely transferred, thus residual set. Thus,
rather than return good_bytes as the entire transfer, set good_bytes
to 0, so that the midlayer then applies the residual in calculating
the transfer, and for sd, will fail the I/O and fall into a retry
path.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch implements q->lld_busy_fn() for scsi mid layer to export
its busy state for request stacking drivers.
For efficiency, no lock is taken to check the busy state of
shost/starget/sdev, since the returned value is not guaranteed and
may be changed after request stacking drivers call the function,
regardless of taking lock or not.
When scsi can't dispatch I/Os anymore and needs to kill I/Os
(e.g. !sdev), scsi needs to return 'not busy'.
Otherwise, request stacking drivers may hold requests forever.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This patch refactors the busy checking codes of scsi_device,
Scsi_Host and scsi_target. There should be no functional change.
This is a preparation for another patch which exports scsi's busy
state to the block layer for request stacking drivers.
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Take the Diag/Activity-LED of the HBA out of diagnostic mode on PM
resume after successful PM resume from standby and HBA restart, it
remained always on before. If something fails before complete
recovery, it should remain on, since it is a diagnostics LED, reason
for the used higher layer for the clear.
Signed-off-by: thomas.schorpp@gmail.com
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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MHZ not Mhz for SI unit pedants
Closes bug #6422
Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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OK to just reuse the outer declaration as it is never used again.
drivers/scsi/aic7xxx/aic79xx_pci.c:340:12: warning: symbol 'devconfig' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:299:12: originally declared here
targpcistat is always assigned just before use, remove the inner declaration.
drivers/scsi/aic7xxx/aic79xx_pci.c:486:9: warning: symbol 'targpcistat' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:429:9: originally declared here
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Redeclared within different if/else blocks, safe to reuse the
original from beginning of function.
drivers/scsi/aic7xxx/aic79xx_core.c:2475:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2586:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2587:15: warning: symbol 'scb' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2393:13: originally declared here
Use caminfo for the outer declaration, the redeclared version is
iterating over all initiator/target pairs (devices) which.
drivers/scsi/aic7xxx/aic79xx_core.c:8857:23: warning: symbol 'devinfo' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:8711:21: originally declared here
Forward declaration was already marked static, make the definition match.
drivers/scsi/aic7xxx/aic79xx_core.c:3693:1: warning: symbol 'ahd_devlimited_syncrate' was not declared. Should it be static?
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Update .reg files, marking unused registers with dont_generate_debug_code.
Comment explains how to use it.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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aic7xxx still contains ~30kb of dead code if pretty printing of registers
is requested. These patches deal with it.
Size differences:
text data bss dec hex filename
DEBUG_ENABLE+PRETTY_PRINT:
234697 2362 1188 238247 3a2a7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
205092 2362 1188 208642 32f02 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+PRETTY_PRINT:
227272 2362 1172 230806 38596 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
197671 2362 1172 201205 311f5 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
DEBUG_ENABLE+NO_PRETTY_PRINT:
192457 2362 1188 196007 2fda7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
192457 2362 1188 196007 2fda7 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+NO_PRETTY_PRINT:
185040 2362 1172 188574 2e09e linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
185040 2362 1172 188574 2e09e linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
This patch:
Introduce "dont_generate_debug_code" keyword in aicasm parser.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Set the path state to be passive when we learn that the controller does
not own the path to the LUN.
This will avoid sending even a single i/o thru the passive path at the
probe time.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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