- 01 May, 2011 28 commits
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Yi Zou authored
fix typo of '_attach' -> '_detach' in the comment. Reported-by:
Frank Zhang <frank_1.zhang@intel.com> Signed-off-by:
Yi Zou <yi.zou@intel.com> Tested-by:
Ross Brattain <ross.b.brattain@intel.com> Signed-off-by:
Robert Love <robert.w.love@intel.com> Signed-off-by:
James Bottomley <James.Bottomley@suse.de>
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Yi Zou authored
possible buffer overflow in fcoe_transport_show when reaching the end of buffer and crossing PAGE_SIZE boundary. Signed-off-by:
Tomas Henzl <thenzl@redhat.com> Tested-by:
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Yi Zou authored
When rmmoving the underlying fcoe transport driver module by force when it's attached and in use, the correspoding netdev mapping should be cleaned up properly as well, otherwise the lookup for a given netdev for the transport would still return non NULL pointer, causing "unable to handle paging request" bug. Signed-off-by:
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Robert Love authored
The host_lock is still used to protect the can_queue value in the Scsi_Host, but it doesn't need to be held and released by each caller. This patch moves the lock usage into the fc_fcp_can_queue_ramp_up and fc_fcp_can_queue_ramp_down routines. Signed-off-by:
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Kirill A. Shutemov authored
Signed-off-by:
Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by:
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Yi Zou authored
The check of module state being MODULE_STATE_LIVE is no longer needed for the individual fcoe transport driver, e.g., fcoe.ko, as sysfs entries now go to libfcoe now, if it reaches fcoe.ko, it has to be already registered. The module state check for libfcoe will guard the possible race condition of sysfs being writable before module_init function is called and after module_exit. Signed-off-by:
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Robert Love authored
These checks were initially added to avoid a lockdep false positive when dealing with the s_active, rtnl and fcoe_config_mutex mutexes. Recently the create, destroy, enable and disable sysfs entries were moved from fcoe.ko to libfcoe.ko. With this change the mutex usage was shuffled around and the lockdep false positive stopped happening. We can now remove these checks. Signed-off-by:
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Robert Love authored
This code was incorrectly ported from fcoe.c when the fcoe transport infrastructure was put into place. It was originally needed in fcoe.c when dealing with the rtnl mutex. In that code it was only needed to avoid a lockdep false positive. In libfcoe we don't deal with the rtnl mutex, we don't get the lockdep false positive and therefore we don't need these checks. Signed-off-by:
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Julia Lawall authored
Error handling code following a kmalloc should free the allocated data. The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Acked-by:
Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by:
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Wayne Boyer authored
In testing it was noticed that Extended Delay after Reset flag was being set for gscsi and volume set devices. This had a negative effect on performance for volume sets. The fix is to only set the flag for gscsi devices. Signed-off-by:
Wayne Boyer <wayneb@linux.vnet.ibm.com> Acked-by:
Brian King <brking@linux.vnet.ibm.com> Signed-off-by:
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Madhuranath Iyengar authored
A minor change in the versioning. We'll be attaching the "-k" in the end. Signed-off-by:
Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by:
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Chad Dupuis authored
Add the inline function qla2x00_set_port_state() so that when a fcport state transition happens we can log the state transition if debug messages are enabled. Signed-off-by:
Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by:
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Andrew Vasquez authored
Before driver's own internal state is marked as PLOGI/PRLI complete. This additional check closes a window seen with dual-personality initiator/target devices where a driver's PLOGI/PRLI request occurs within the window after the target's PLOGI request has completed, but prior to the target's PRLI arriving and processed by the firmware. Without this additional check, the firmware will return port-information stating that the port neither supports target nor initiator functions, causing the driver to register the rport prematurely to the FC-transport without the proper 'roles' being set. Signed-off-by:
Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by:
Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by:
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Giridhar Malavali authored
Signed-off-by:
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Giridhar Malavali authored
Also, change the ISP82xx code to only reset if this module_param is set and reset is intended via the QLA82XX_DEV_NEED_RESET case. Signed-off-by:
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Giridhar Malavali authored
[SCSI] qla2xxx: Display hardware/firmware registers to get more information about the error for ISP82xx. Signed-off-by:
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Joe Carnuccio authored
If fabric device has invalid loop id (FC_NO_LOOP_ID) then call qla2x00_find_new_loop_id() to attempt to obtain valid loop id. Signed-off-by:
Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by:
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Giridhar Malavali authored
For certain failures, try to recover first by doing FCoE context reset before attempting big hammer approach(adpater reset). Signed-off-by:
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Giridhar Malavali authored
The stanadlone call to qla82xx_check_fw_alive() in qla82xx_watchdog() is a typo, so remove it. Signed-off-by:
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Giridhar Malavali authored
Signed-off-by:
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Andrew Vasquez authored
Signed-off-by:
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Madhuranath Iyengar authored
Signed-off-by:
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Andrew Vasquez authored
Signed-off-by:
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Mike Hernandez authored
[SCSI] qla2xxx: Include request queue ID in the upper 16-bits of the I/O handle for Abort I/O IOCBs. The upper 16-bits of the handle for all I/O in multi-queue supported drivers carries the ID of the request queue it was submitted on. When using Abort I/O IOCB, the driver needs to also populate the upper 16-bits in the handle_to_abort field so the fw can correlate with the actual I/O. Signed-off-by:
Mike Hernandez <michael.hernandez@qlogic.com> Signed-off-by:
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Andrew Vasquez authored
The bit is already set upon entry. Signed-off-by:
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Andrew Vasquez authored
Modifying qla24xx_get_fcp_prio() to return a 'found' status allows the driver to short circuit the 'set FCP-priority' call and reduce the amount of noise generated in the messages file: scsi(5): Unable to activate fcp priority, ret=0x102 scsi(5): Unable to activate fcp priority, ret=0x102 Also make qla24xx_get_fcp_prio() static. Signed-off-by:
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Andrew Vasquez authored
The respective done() functions are called from process context, so there's no reason to 'defer' the request. Signed-off-by:
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Andrew Vasquez authored
To provide a clearer translation of the command-status origin in relation to the midlayer's standard SCSI nexus. Signed-off-by:
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- 15 Apr, 2011 12 commits
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Jayamohan Kallickal authored
There was a bug in setting up type and dmsg for FW Signed-off-by:
Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Signed-off-by:
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Jayamohan Kallickal authored
Signed-off-by:
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Jayamohan Kallickal authored
Signed-off-by:
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Jayamohan Kallickal authored
- Modifying Maintainer's emailid to emulex as Emulex has acquired Serverengines Signed-off-by: -
Jayamohan Kallickal authored
- Modifying copyright year to 2011 - Replacing Serverengines with Emulex as Serverengines Corp has been acquired by Emulex Corp Signed-off-by:
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Shyam Iyer authored
At least log the message that we received a THIN PROVISIONING SOFT THRESHOLD REACHED Unit Attention. Also added it to unit attention decodes. Signed-off-by:
Shyam Iyer <shyam_iyer@dell.com> Signed-off-by:
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git://git.kernel.dk/linux-2.6-blockLinus Torvalds authored
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: only force kblockd unplugging from the schedule() path block: cleanup the block plug helper functions block, blk-sysfs: Use the variable directly instead of a function call block: move queue run on unplug to kblockd block: kill queue_sync_plugs() block: readd plug trace event block: add callback function for unplug notification block: add comment on why we save and disable interrupts in flush_plug_list() block: fixup block IO unplug trace call block: remove block_unplug_timer() trace point block: splice plug list to local context
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git://git.infradead.org/ubifs-2.6Linus Torvalds authored
* 'linux-next' of git://git.infradead.org/ubifs-2.6: UBIFS: fix compilation warnings when compiling with gcc 4.5 UBIFS: fix oops when R/O file-system is fsync'ed
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Linus Torvalds authored
The case we should be verifying when updating the dentry name is that the _parent_ inode (the directory) semaphore is held, not the semaphore for the dentry itself. It's the directory locking that rename and readdir() etc all care about. The comment just above even says so - but then the BUG_ON() still checked the dentry inode itself. Very few people noticed, because this helper function really isn't used for very much, so you had to be using ncpfs to ever hit it. I think I should just remove the BUG_ON (the function really has just one user), but let's run with it fixed for a while before getting rid of it entirely. Reported-and-tested-by:
Bongani Hlope <bonganih@bankservafrica.com> Reported-and-tested-by:
Bernd Feige <bernd.feige@uniklinik-freiburg.de> Cc: Petr Vandrovec <petr@vandrovec.name>, Cc: Arnd Bergmann <arnd@arndb.de> Cc: Christoph Hellwig <hch@lst.de> Cc: Nick Piggin <npiggin@kernel.dk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jens Axboe authored
For the explicit unplugging, we'd prefer to kick things off immediately and not pay the penalty of the latency to switch to kblockd. So let blk_finish_plug() do the run inline, while the implicit-on-schedule-out unplug will punt to kblockd. Signed-off-by:Jens Axboe <jaxboe@fusionio.com>
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Christoph Hellwig authored
It's a bit of a mess currently. task->plug is being cleared and reset in __blk_finish_plug(), and blk_finish_plug() is testing for a NULL plug which cannot happen even from schedule() anymore since it uses blk_needs_flush_plug() to determine whether to call into this function at all. So get rid of some of the cruft. Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfinLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: Blackfin: SMP: fix cache flush loop Blackfin: time-ts: ack gptimer sooner to avoid missing short ints Blackfin: gptimers: fix thinko when disabling timers Blackfin: SMP: make all barriers handle cache issues
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