Nicholas Bellinger fb6a326e30 target: Fix remote-port TMR ABORT + se_cmd fabric stop ... commit 0f4a943168 upstream. To address the bug where fabric driver level shutdown of se_cmd occurs at the same time when TMR CMD_T_ABORTED is happening resulting in a -1 ->cmd_kref, this patch adds a CMD_T_FABRIC_STOP bit that is used to determine when TMR + driver I_T nexus shutdown is happening concurrently. It changes target_sess_cmd_list_set_waiting() to obtain se_cmd->cmd_kref + set CMD_T_FABRIC_STOP, and drop local reference in target_wait_for_sess_cmds() and invoke extra target_put_sess_cmd() during Task Aborted Status (TAS) when necessary. Also, it adds a new target_wait_free_cmd() wrapper around transport_wait_for_tasks() for the special case within transport_generic_free_cmd() to set CMD_T_FABRIC_STOP, and is now aware of CMD_T_ABORTED + CMD_T_TAS status bits to know when an extra transport_put_cmd() during TAS is required. Note transport_generic_free_cmd() is expected to block on cmd->cmd_wait_comp in order to follow what iscsi-target expects during iscsi_conn context se_cmd shutdown. Cc: Quinn Tran <quinn.tran@qlogic.com> Cc: Himanshu Madhani <himanshu.madhani@qlogic.com> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Andy Grover <agrover@redhat.com> Cc: Mike Christie <mchristi@redhat.com> Signed-off-by: Nicholas Bellinger <nab@daterainc.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2016-03-03 15:07:27 -08:00
..
accessibility
acpi	nfit: fix multi-interface dimm handling, acpi6.1 compatibility	2016-03-03 15:07:24 -08:00
amba
android	drivers: android: correct the size of struct binder_uintptr_t for BC_DEAD_BINDER_DONE	2016-03-03 15:07:10 -08:00
ata	ahci: Intel DNV device IDs SATA	2016-02-17 12:31:03 -08:00
atm
auxdisplay
base	base/platform: Fix platform drivers with no probe callback	2016-02-17 12:30:55 -08:00
bcma
block	zram: don't call idr_remove() from zram_remove()	2016-02-17 12:31:06 -08:00
bluetooth	Bluetooth: Add support of Toshiba Broadcom based devices	2016-03-03 15:07:16 -08:00
bus	bus: sunxi-rsb: Fix peripheral IC mapping runtime address	2015-12-22 11:42:30 -08:00
cdrom
char	ipmi: move timer init to before irq is setup	2015-12-09 13:13:06 -06:00
clk	clk: exynos: use irqsave version of spin_lock to avoid deadlock with irqs	2016-03-03 15:07:17 -08:00
clocksource	clockevents/tcb_clksrc: Prevent disabling an already disabled clock	2016-03-03 15:07:15 -08:00
connector	connector: bump skb->users before callback invocation	2016-01-04 21:46:45 -05:00
cpufreq	cpufreq: Fix NULL reference crash while accessing policy->governor_data	2016-03-03 15:07:25 -08:00
cpuidle
crypto	crypto: marvell/cesa - fix test in mv_cesa_dev_dma_init()	2016-02-17 12:31:05 -08:00
dca
devfreq
dio
dma	dmaengine: dw: disable BLOCK IRQs for non-cyclic xfer	2016-03-03 15:07:24 -08:00
dma-buf
edac	EDAC, mc_sysfs: Fix freeing bus' name	2016-03-03 15:07:17 -08:00
eisa
extcon
firewire	IEEE 1394 subsystem patch:	2015-11-11 10:21:34 -08:00
firmware	efi: Add pstore variables to the deletion whitelist	2016-03-03 15:07:09 -08:00
fmc
fpga	fpga manager: Fix firmware resource leak on error	2015-11-24 15:25:46 -08:00
gpio	gpio: revert get() to non-errorprogating behaviour	2015-12-17 15:48:29 +01:00
gpu	drm/radeon/pm: adjust display configuration after powerstate	2016-03-03 15:07:23 -08:00
hid	HID: multitouch: fix input mode switching on some Elan panels	2016-02-17 12:31:06 -08:00
hsi
hv	Drivers: hv: vmbus: Fix a Host signaling bug	2016-03-03 15:07:16 -08:00
hwmon	hwmon: (ads1015) Handle negative conversion values correctly	2016-03-03 15:07:25 -08:00
hwspinlock	drivers/hwspinlock: fix race between radix tree insertion and lookup	2016-02-25 12:01:23 -08:00
hwtracing	coresight: checking for NULL string in coresight_name_match()	2016-03-03 15:07:14 -08:00
i2c	i2c: rcar: disable runtime PM correctly in slave mode	2015-12-19 12:00:37 +01:00
ide
idle
iio	iio: inkern: fix a NULL dereference on error	2016-02-25 12:01:17 -08:00
infiniband	IB/mlx5: Expose correct maximum number of CQE capacity	2016-03-03 15:07:25 -08:00
input	Input: vmmouse - fix absolute device registration	2016-02-25 12:01:21 -08:00
iommu	iommu/vt-d: Clear PPR bit to ensure we get more page request interrupts	2016-02-25 12:01:22 -08:00
ipack
irqchip	irqchip/gic-v3-its: Fix double ICC_EOIR write for LPI in EOImode==1	2016-03-03 15:07:14 -08:00
isdn	ser_gigaset: remove unnecessary kfree() calls from release method	2015-12-15 13:24:21 -05:00
leds
lguest
lightnvm	lightnvm: wrong offset in bad blk lun calculation	2015-12-29 08:28:32 -07:00
macintosh
mailbox
mcb
md	dm: fix dm_rq_target_io leak on faults with .request_fn DM w/ blk-mq paths	2016-03-03 15:07:14 -08:00
media	tda1004x: only update the frontend properties if locked	2016-03-03 15:07:14 -08:00
memory	fsl-ifc: add missing include on ARM64	2015-12-16 00:16:58 +01:00
memstick
message	SCSI queue for 4.4.	2015-11-12 07:06:18 -05:00
mfd
misc	cxl: use correct operator when writing pcie config space values	2016-03-03 15:07:17 -08:00
mmc	mmc: sdhci: Allow override of get_cd() called from sdhci_request()	2016-03-03 15:07:16 -08:00
mtd	mtd: nand: assign reasonable default name for NAND drivers	2016-02-17 12:30:56 -08:00
net	rtlwifi: rtl8723be: Fix module parameter initialization	2016-03-03 15:07:13 -08:00
nfc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2015-11-10 18:11:41 -08:00
ntb
nubus
nvdimm	libnvdimm: fix namespace object confusion in is_uuid_busy()	2016-02-25 12:01:21 -08:00
nvme	NVMe: IO ending fixes on surprise removal	2015-12-22 10:12:04 -07:00
nvmem
of	of/irq: Export of_irq_find_parent again	2015-12-09 09:08:36 -06:00
oprofile
parisc	parisc iommu: fix panic due to trying to allocate too large region	2015-12-12 16:07:25 +01:00
parport
pci	ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot()	2016-03-03 15:07:24 -08:00
pcmcia
perf
phy	phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload	2016-02-25 12:01:14 -08:00
pinctrl	pinctrl: bcm2835: Fix initial value for direction_output	2015-12-14 11:31:20 +01:00
platform	ideapad-laptop: Add Lenovo Yoga 700 to no_hw_rfkill dmi list	2016-03-03 15:07:24 -08:00
pnp
power
powercap	powercap / RAPL: fix BIOS lock check	2015-12-12 02:31:11 +01:00
pps
ps3
ptp
pwm	pwm: Changes for v4.4-rc1	2015-11-11 09:16:10 -08:00
rapidio
ras
regulator	regulator: mt6311: MT6311_REGULATOR needs to select REGMAP_I2C	2016-03-03 15:07:17 -08:00
remoteproc	remoteproc: fix memory leak of remoteproc ida cache layers	2015-11-26 17:44:28 +02:00
reset
rpmsg
rtc	rtc: da9063: fix access ordering error during RTC interrupt at system power on	2015-12-20 13:39:29 +01:00
s390	s390/dasd: fix performance drop	2016-03-03 15:07:12 -08:00
sbus
scsi	sd: Optimal I/O size is in bytes, not sectors	2016-03-03 15:07:26 -08:00
sfi
sh	drivers: sh: Get rid of CONFIG_ARCH_SHMOBILE_MULTI	2015-11-17 02:12:46 +09:00
sn
soc	Few Keystone fixes for 4.4-rcx	2015-11-25 23:48:12 +01:00
spi	spi: omap2-mcspi: Prevent duplicate gpio_request	2016-03-03 15:07:10 -08:00
spmi
ssb
staging	Revert "Staging: panel: usleep_range is preferred over udelay"	2016-03-03 15:07:26 -08:00
target	target: Fix remote-port TMR ABORT + se_cmd fabric stop	2016-03-03 15:07:27 -08:00
tc
thermal	Thermal: do thermal zone update after a cooling device registered	2016-03-03 15:07:25 -08:00
thunderbolt
tty	serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485)	2016-02-25 12:01:14 -08:00
uio
usb	cdc-acm:exclude Samsung phone 04e8:685d	2016-03-03 15:07:26 -08:00
uwb
vfio	Revert: "vfio: Include No-IOMMU mode"	2015-12-04 08:38:42 -07:00
vhost	vhost: replace % with & on data path	2015-12-07 17:28:10 +02:00
video	OMAPDSS: fix timings for VENC to match what omapdrm expects	2015-12-09 12:57:13 +02:00
virt
virtio	virtio_pci: fix use after free on release	2016-03-03 15:07:18 -08:00
vlynq
vme
w1
watchdog	watchdog: mtk_wdt: Use MODE_KEY when stopping the watchdog	2015-11-23 09:00:09 +01:00
xen	xen: bug fixes for 4.4-rc5	2015-12-18 12:24:52 -08:00
zorro
Kconfig
Makefile	null_blk: register as a LightNVM device	2015-11-16 15:22:28 -07:00