Christof Schmitt 8830271c48 [SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport ... If an error occurs that triggers the call to fc_remote_port_delete, ideally this call would happen before any I/O is passed back to the SCSI midlayer through scsi_done. The SCSI midlayer will retry the commands and fc_remote_port_chkready will return the correct status code. But with the delay between calling scsi_done in softirq context and the call to fc_remote_port_delete from the workqueue, there is a window where zfcp returns DID_ERROR. This leads to SCSI error recovery which then leads to offline SCSI devices since all recovery actions will fail with the rport now being blocked. In this window, zfcp has to return DID_IMM_RETRY just as the FC transport class would do in fc_remote_port_chkready for the blocked fc_rport. As soon as the fc_rport is BLOCKED, fc_remote_port_chkready will do the right thing. Additionally, there are two more cases to catch in zfcp_scsi_queuecommand: - After the port has been opened, the unit has to be opened. During this period I/O has to be retried. This can also be handled with DID_IMM_RETRY. - If the access to the unit fails, but the port is good, then this single unit cannot be accessed and I/O to this unit has to fail without involving the FC transport class. Reviewed-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>		2009-12-04 12:02:09 -06:00
..
accessibility	…
acpi	Merge branch 'misc' into release	2009-10-15 00:47:13 -04:00
amba	…
ata	[SCSI] modify change_queue_depth to take in reason why it is being called	2009-12-04 12:00:41 -06:00
atm	net: Make setsockopt() optlen be unsigned.	2009-09-30 16:12:20 -07:00
auxdisplay	…
base	mm: oom analysis: add shmem vmstat	2009-09-22 07:17:27 -07:00
block	loop: fix NULL dereference if mount fails	2009-10-29 07:39:27 -07:00
bluetooth	…
cdrom	sysctl: remove "struct file *" argument of ->proc_handler	2009-09-24 07:21:04 -07:00
char	move virtrng_remove to .devexit.text	2009-10-22 16:39:34 +10:30
clocksource	…
connector	connector: Fix incompatible pointer type warning	2009-10-06 01:39:51 -07:00
cpufreq	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq	2009-09-18 09:16:57 -07:00
cpuidle	cpuidle: always return with interrupts enabled	2009-10-29 07:39:31 -07:00
crypto	crypto: padlock-sha - Fix stack alignment	2009-09-21 23:21:53 -07:00
dca	…
dio	…
dma	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx into for-linus	2009-09-23 18:31:11 +10:00
edac	edac: i5100 fix initialization code	2009-10-29 07:39:30 -07:00
eisa	…
firewire	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6	2009-10-14 15:36:19 -07:00
firmware	iSCSI/iBFT: use proper address translation	2009-10-05 12:05:40 -07:00
gpio	twl4030-gpio: remove __devexit markings from remove func	2009-10-29 07:39:30 -07:00
gpu	drm/kms: fix kms/fbdev colormap support properly.	2009-10-28 11:23:48 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2009-10-13 10:10:33 -07:00
hwmon	Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging	2009-10-29 08:14:58 -07:00
i2c	i2c: Hide probe errors caused by ACPI resource conflicts	2009-10-04 22:53:45 +02:00
ide	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6	2009-10-29 09:22:34 -07:00
idle	…
ieee1394	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
ieee802154	…
infiniband	[SCSI] iser: set tgt and lu reset timeout	2009-12-04 12:01:38 -06:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2009-10-22 08:27:12 +09:00
isdn	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2009-10-29 09:22:08 -07:00
leds	leds: leds-pca9532 - Drop unused module parameters	2009-10-04 22:53:43 +02:00
lguest	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
macintosh	powerpc/pmac: Fix issues with sleep on some powerbooks	2009-10-14 16:58:35 +11:00
mca	…
md	[SCSI] scsi_dh: Change the scsidh_activate interface to be asynchronous	2009-12-04 12:00:46 -06:00
media	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
memstick	memstick: move dev_dbg	2009-09-24 07:21:05 -07:00
message	[SCSI] modify change_queue_depth to take in reason why it is being called	2009-12-04 12:00:41 -06:00
mfd	mfd: Do not dereference null pointer in twl4030 error path	2009-10-27 00:20:33 +01:00
misc	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
mmc	omap_hsmmc: add missing probe handler hook	2009-10-29 07:39:25 -07:00
mtd	UBI: fix check on unsigned long	2009-10-20 10:13:49 +03:00
net	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2009-10-29 09:22:08 -07:00
nubus	…
of	of: Remove nested function	2009-10-15 09:58:27 -06:00
oprofile	oprofile: warn on freeing event buffer too early	2009-10-09 21:32:05 +02:00
parisc	mm: replace various uses of num_physpages by totalram_pages	2009-09-22 07:17:38 -07:00
parport	sysctl: remove "struct file *" argument of ->proc_handler	2009-09-24 07:21:04 -07:00
pci	Revert "PCI: get larger bridge ranges when space is available"	2009-10-27 09:39:18 -07:00
pcmcia	pcmcia: do not load the pd6729 driver if io_base is NULL	2009-10-24 17:08:37 +02:00
platform	Merge branch 'misc' into release	2009-10-15 00:47:13 -04:00
pnp	ACPI: remove acpi_device.flags.hardware_id	2009-09-25 15:09:48 -04:00
power	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6	2009-09-23 03:49:27 +04:00
pps	…
ps3	…
rapidio	…
regulator	regulator: fix voltage range in da9034 ldo12	2009-09-22 13:58:23 +01:00
rtc	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
s390	[SCSI] zfcp: Dont fail SCSI commands when transitioning to blocked fc_rport	2009-12-04 12:02:09 -06:00
sbus	const: make block_device_operations const	2009-09-22 07:17:25 -07:00
scsi	[SCSI] libfc: add support of receiving ELS_RLS	2009-12-04 12:01:59 -06:00
serial	Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	2009-10-29 08:59:06 -07:00
sfi	SFI: remove __init from sfi_verify_table	2009-10-03 01:16:12 -04:00
sh	…
sn	…
spi	ARM: 5741/1: pl022: fix peripheral id for ST vendor	2009-10-05 17:55:55 +01:00
ssb	ssb/sdio: fix printk format warnings	2009-09-23 11:35:41 -04:00
staging	Staging: rt2860sta: prevent a panic when disabling when associated	2009-10-14 14:14:40 -07:00
tc	…
telephony	…
thermal	thermal: add missing Kconfig dependency	2009-09-19 01:41:49 -04:00
uio	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
usb	ARM: Fix lubbock defconfig build	2009-10-21 13:20:32 +01:00
uwb	headers: remove sched.h from interrupt.h	2009-10-11 11:20:58 -07:00
video	Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6	2009-10-08 12:01:01 -07:00
virtio	virtio: order used ring after used index read	2009-10-29 08:50:37 +10:30
vlynq	drivers/vlynq/vlynq.c: fix resource size off by 1 error	2009-09-24 07:21:05 -07:00
w1	ds2482: Discard obsolete detect method	2009-10-04 22:53:41 +02:00
watchdog	watchdog: Fix rio watchdog probe function	2009-10-14 01:18:26 -07:00
xen	headers: remove sched.h from poll.h	2009-10-04 15:05:10 -07:00
zorro	…
Kconfig	…
Makefile	Merge git://git.infradead.org/mtd-2.6	2009-09-23 10:07:49 -07:00