- 12 Feb, 2011 2 commits
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Tejun Heo authored
pm8001 manages its own list of pending works and cancel them on device free. It is unnecessarily complex and has a race condition - the works are canceled but not synced, so the work could still be running during and after the data structures are freed. This patch simplifies workqueue usage. * A driver specific workqueue pm8001_wq is created to serve these work items. * To avoid confusion, the "queue" suffixes are dropped from work items and functions. * Delayed queueing was never used. pm8001_work now uses work_struct instead. * The driver no longer keeps track of pending works. All pm8001_works are queued to pm8001_wq and the workqueue is flushed as necessary. flush_scheduled_work() usage is removed during conversion. Signed-off-by:
Tejun Heo <tj@kernel.org> Acked-by:
Jack Wang <jack_wang@usish.com> Signed-off-by:
James Bottomley <James.Bottomley@suse.de>
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Tejun Heo authored
Simple conversions to drop flush_scheduled_work() usages in drivers/scsi. More involved ones will be done in separate patches. * NCR5380, megaraid_sas: cancel_delayed_work() + flush_scheduled_work() -> cancel_delayed_work_sync(). * mpt2sas_scsih: drop unnecessary flush_scheduled_work(). * arcmsr_hba, ipr, pmcraid: flush the used work explicitly instead of using flush_scheduled_work(). Signed-off-by:
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- 24 Jan, 2011 38 commits
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Douglas Gilbert authored
As discussed in a thread on this list titled: "RFC: short reads on block devices" this patch adds recommendations for LLDs to set resid when there might be uncertainty about how much data has been returned by a device. This patch inline and attached] is against scsi-misc-2.6.git Signed-off-by:Douglas Gilbert <dgilbert@interlog.com> Signed-off-by:
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Boaz Harrosh authored
Since sg-read is a bidi operation, it is a gain to convert a single sg entry into a regular read. Better do this in the generic layer then force each caller to do so. Signed-off-by:
Boaz Harrosh <bharrosh@panasas.com> Signed-off-by:
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James Bottomley authored
Originally, libata required the illusion that it could access the sata control register. Now, however, it can run perfectly well without them, so remove the dummy routines from libsas which tried to emulate them (but only ended up causing confusion). Signed-off-by: -
James Bottomley authored
Instead of using a config option for debugging, just dump the messages with KERN_DEBUG. Signed-off-by: -
James Bottomley authored
ATAPI check condition needs to be treated the same as a success or protocol return. The register returns from the PACKET command are all correctly positioned in the device to host register FIS and so we should collect them properly. Right at the moment this doesn't matter because libata sends a request sense always for ATAPI errors, but if it ever checked the registers, we should have the correct contents just in case. Signed-off-by: -
Peter Jones authored
Previously we were using strncmp in order to avoid having to include whitespace in the devlist, but this means "HSV1000" matches a device list entry that says "HSV100", which is wrong. This patch changes scsi_dh.c to use scsi_devinfo's matching functions instead, since they handle these cases correctly. Signed-off-by: -
Peter Jones authored
For scsi_dh.c to use devinfo lists, we have to be able to remove entries before rmmod. Signed-off-by: -
kxie@chelsio.com authored
fixed the connection problem when the private iscsi ipv4 address is provisioned on the interface. Signed-off-by:
Karen Xie <kxie@chelsio.com> Reviewed-by:
Mike Christie <michaelc@cs.wisc.edu> Signed-off-by:
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Christof Schmitt authored
Steffen will take over the zfcp maintainer work. Update the MAINTAINERS entry accordingly. Acked-by:
Steffen Maier <maier@linux.vnet.ibm.com> Acked-by:
Swen Schillig <swen@vnet.ibm.com> Signed-off-by:
Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by:
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Jesper Juhl authored
A 'kfree(karg)' is missing in a failure path in mptctl.c::mptctl_getiocinfo() which can cause a memory leak. Signed-off-by:
Jesper Juhl <jj@chaosbits.net> Acked-by:
"Desai, Kashyap" <Kashyap.Desai@lsi.com> Signed-off-by:
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Eddie Wai authored
The nopout's reserved field was not being initialized to zero before being reused. Stale CDB values from previous SCSI cmds of the same BHS offset was the cause of the disconnection initiated by the Lefthand target. Signed-off-by:
Eddie Wai <eddie.wai@broadcom.com> Reviewed-by:
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kxie@chelsio.com authored
Remove gl_skb from cxgbi_ddp_info as it is only used by cxgb3i. Signed-off-by:
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kxie@chelsio.com authored
There is no need to set ulpmode on the tx skbs if no digest is enabled. Signed-off-by:
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Vasiliy Kulikov authored
memset arg64 to zero in the passthrough ioctls to avoid leaking contents of kernel stack memory to userland via uninitialized padding fields inserted by the compiler for alignment reasons. Signed-off-by:
Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by:
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Stephen M. Cameron authored
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Stephen M. Cameron authored
Thanks to Scott Teel for noticing this. Signed-off-by:
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Stephen M. Cameron authored
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Stephen M. Cameron authored
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Stephen M. Cameron authored
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Stephen M. Cameron authored
Need to take the lock while accessing the register to check to see if config table changes have taken effect. Signed-off-by:
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Stephen M. Cameron authored
This is to prevent hpsa from resetting older boards which the cciss driver may be controlling. Signed-off-by:
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Stephen M. Cameron authored
This is to conserve memory in a memory-limited kdump scenario Signed-off-by:
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Stephen M. Cameron authored
and use the doorbell reset method if available (which doesn't lock up the controller if you properly save and restore all the PCI registers that you're supposed to.) Signed-off-by:
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Stephen M. Cameron authored
After a reset, we should first wait for the board to become "not ready", and then wait for it to become "ready", instead of immediately waiting for it to become "ready", and do this waiting *after* restoring PCI config space registers. Also, only wait 10 secs for board to become "not ready" after a reset (it should quickly become not ready.) Signed-off-by:
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Stephen M. Cameron authored
They are defined in hpsa_cmd.h Signed-off-by:
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Stephen M. Cameron authored
Some low bits might have been set by the driver, causing a message like this to come out: [ 13.288062] ------------[ cut here ]------------ [ 13.293211] WARNING: at lib/dma-debug.c:803 check_unmap+0x1a1/0x654() [ 13.300387] Hardware name: ProLiant DL180 G6 [ 13.305335] hpsa 0000:06:00.0: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0x000000007f81e001] [size=640 bytes] Signed-off-by:
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Stephen M. Cameron authored
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Mike Snitzer authored
Currently NetApp's VID/PID details in the INQUIRY response shows up as 'NETAPP' and 'LUN'. With upcoming scalable SAN ONTAP version on NetApp controllers, the PID entry alone is being modified to 'LUN C-Mode' (to distinguish current ONTAP LUNs from scalable ONTAP LUNs). 'LUN' would still suffice for matching 'LUN C-Mode' but best to explicitly add these new NetApp LUNs to the device list. Reported-by:
Martin George <marting@netapp.com> Acked-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Ilgu Hong authored
Adds Promise VTrak devices to the ALUA device handler. Signed-off-by:
Ilgu Hong <ilgu.hong@promise.com> Signed-off-by:
Joseph Gruher <joseph.r.gruher@intel.com> Signed-off-by:
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Joseph Gruher authored
Initialize stpg_endio() 'err' to SCSI_DH_OK and only change it to SCSI_DH_IO accordingly. This allows the switching of target group state to be properly reported when no error has occurred. Signed-off-by:
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Joseph Gruher authored
The use of blk_execute_rq_nowait() implies __blk_put_request() is needed in stpg_endio() rather than blk_put_request() -- blk_finish_request() is called with queue lock already held. Signed-off-by:
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Joseph Gruher authored
submit_stpg() will always return failure so alua_activate() will report failure via dm-multipath callback function. Even though the stpg fired successfuly dm-multipath does not know and always fails to change the valid path. By returning SCSI_DH_OK we're now skipping alua_activate()'s call to activate_complete 'fn'. But this is fine because stpg_endio() will call it via h->callback_fn(). Signed-off-by:
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Kashyap, Desai authored
Upgrade driver version from 7.100.00.00 to 8.100.00.00 Signed-off-by:
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Kashyap, Desai authored
Basic Code Cleanup: (1) _base_get_cb_idx and mpt2sas_base_free_smid were reorganized in similar fashion so the order of obtaining the cbx and smid are scsiio, hi_priority, and internal. (2) The hi_priority and internal request queue struct was made smaller by removing the scmd and chain_tracker, thus saving memory allocation. (3) For scsiio request, a new structure was created having the same elements from the former request tracker struct. Signed-off-by:
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Kashyap, Desai authored
Add support for Customer specific branding messages when device driver loads, based on specific customer subsystem vendor and device Ids Signed-off-by:
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Kashyap, Desai authored
Revision P MPI Header Update: a) Added enable/disable SATA NCQ operations to SAS IO Unit Control Request. b) Modified Host Based Discovery Action Request message format. c) Removed Device Path bit from IO Unit Page 1 Flags field. d) Added description of ChainOffset field for Diagnostic Data Upload Tool.Chaining is not allowed. Removed mpi2_history.txt file Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* 'BUG_ON' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: Remove MAYBE_BUILD_BUG_ON BUILD_BUG_ON: make it handle more cases
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: module: fix missing semicolons in MODULE macro usage param: add null statement to compiled-in module params module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n module: show version information for built-in modules in sysfs
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