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4430f7fd09
linux/drivers
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James Smart 4430f7fd09 scsi: lpfc: Rework locations of ndlp reference taking 
Now that the driver has gone to a normal ref interface (with no odd logic)
the discovery logic needs to be updated to reworked so that it properly
takes references when it should and give them up when it should.

Rework the driver for the following get/put model:

 - Move gets to just before an I/O is issued. Add gets for places where an
   I/O was issued without one.

 - Ensure that failures from lpfc_nlp_get() are handled by the driver.

 - Check and fix the placement of lpfc_nlp_puts relative to io completions.
   Note: some of these paths may not release the reference on the exact io
   completion as the reference is held as the code takes another step in
   the discovery thread and which may cause another io to be issued.

 - Rearrange some code for error processing and calling lpfc_nlp_put.

 - Fix some places of incorrect reference freeing that was causing the
   premature releasing of the structure.

 - Nvmet plogi handling performs unreg_rpi's. The reference counts were
   unbalanced resulting in premature node removal. In some cases this
   caused loss of node discovery. Corrected the reftaking around nvmet
   plogis.

Nodes that experience devloss now get released from the node list now that
there is a proper reference taking.

Link: https://lore.kernel.org/r/20201115192646.12977-3-james.smart@broadcom.com
Co-developed-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-11-17 00:43:54 -05:00
..
accessibility
acpi More ACPI updates for 5.10-rc1 2020-10-23 16:38:36 -07:00
amba
android task_work: cleanup notification modes 2020-10-17 15:05:30 -06:00
ata Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2020-10-25 10:59:34 -07:00
atm
auxdisplay
base More power management updates for 5.10-rc1 2020-10-23 16:27:03 -07:00
bcma
block xen: branch for v5.10-rc1c 2020-10-25 10:55:35 -07:00
bluetooth networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
bus ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
cdrom
char random32: make prandom_u32() output unpredictable 2020-10-24 20:21:57 +02:00
clk treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
clocksource treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
connector
counter
cpufreq ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
cpuidle powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
crypto s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00
dax fuse update for 5.10 2020-10-19 14:28:30 -07:00
dca
devfreq
dio
dma ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
dma-buf dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
edac EFI changes for v5.10: 2020-10-12 13:26:49 -07:00
eisa
extcon
firewire
firmware ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
fpga
fsi
gnss
gpio - New Drivers 2020-10-14 15:56:58 -07:00
gpu ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
greybus
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-10-23 16:16:31 -07:00
hsi
hv Merge branch 'akpm' (patches from Andrew) 2020-10-16 11:31:55 -07:00
hwmon ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
hwspinlock
hwtracing intel_th: pci: Add Alder Lake CPU support 2020-10-05 12:43:54 +02:00
i2c i2c: core: Restore acpi_walk_dep_device_list() getting called after registering the ACPI i2c devs 2020-10-25 13:33:54 +01:00
i3c * Fix DAA for the pre-reserved address case 2020-10-17 11:01:01 -07:00
ide block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
idle intel_idle: Ignore _CST if control cannot be taken from the platform 2020-10-16 17:28:32 +02:00
iio chrome platform changes for 5.10 2020-10-23 10:54:13 -07:00
infiniband scsi: target: Drop sess_cmd_lock from I/O path 2020-11-04 22:39:37 -05:00
input Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2020-10-25 10:59:34 -07:00
interconnect
iommu IOMMU Fix for Linux v5.10: 2020-10-20 09:35:06 -07:00
ipack
irqchip treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
isdn
leds leds: pwm: Remove platform_data support 2020-10-07 12:02:58 +02:00
lightnvm lightnvm: fix out-of-bounds write to array devices->info[] 2020-10-16 09:28:45 -06:00
macintosh powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
mailbox ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
mcb
md - Improve DM core's bio splitting to use blk_max_size_offset(). Also 2020-10-14 15:05:38 -07:00
media dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
memory ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
memstick
message scsi: message: fusion: Remove unneeded break 2020-10-26 18:23:34 -04:00
mfd - New Drivers 2020-10-14 15:56:58 -07:00
misc pci-v5.10-changes 2020-10-22 12:41:00 -07:00
mmc ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
most
mtd This pull request contains fixes for UBI and UBIFS 2020-10-18 09:56:50 -07:00
mux
net Fixes for 5.10-rc1 from the networking tree: 2020-10-23 12:05:49 -07:00
nfc nfc: remove unneeded break 2020-10-20 10:36:41 -07:00
ntb Bug fixes for v5.10 2020-10-25 11:12:31 -07:00
nubus
nvdimm mm/memremap_pages: support multiple ranges per invocation 2020-10-13 18:38:28 -07:00
nvme nvme-fc: shorten reconnect delay if possible for FC 2020-10-23 12:54:45 +02:00
nvmem
of treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
opp Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2020-10-06 12:26:45 +02:00
oprofile
parisc dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
parport
pci VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
pcmcia
perf
phy pci-v5.10-changes 2020-10-22 12:41:00 -07:00
pinctrl Pin control bulk changes for the v5.10 kernel cycle 2020-10-14 15:25:04 -07:00
platform Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-10-23 16:16:31 -07:00
pnp PNP: remove the now unused pnp_find_card() function 2020-10-08 18:00:08 +02:00
power ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
powercap powercap: Fix typo in Kconfig "Plance" -> "Plane" 2020-10-19 17:40:53 +02:00
pps
ps3
ptp
pwm ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-16 11:11:22 -07:00
ras
regulator Merge remote-tracking branch 'regulator/for-5.10' into regulator-next 2020-10-05 16:54:56 +01:00
remoteproc remoteproc updates for v5.10 2020-10-22 12:56:33 -07:00
reset ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
rpmsg rpmsg updates for 5.10 2020-10-22 12:58:21 -07:00
rtc RTC for 5.10 2020-10-21 11:22:08 -07:00
s390 scsi: zfcp: Handle event-lost notification for Version Change events 2020-10-29 22:17:01 -04:00
sbus
scsi scsi: lpfc: Rework locations of ndlp reference taking 2020-11-17 00:43:54 -05:00
sfi
sh
siox
slimbus
soc ARM: Devicetree updates 2020-10-24 10:44:18 -07:00
soundwire
spi ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
spmi
ssb
staging mm: remove kzfree() compatibility definition 2020-10-25 11:39:02 -07:00
target scsi: tcm_loop: Allow queues, can_queue and cmd_per_lun to be settable 2020-11-04 22:39:38 -05:00
tc
tee
thermal treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
thunderbolt
tty ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
uio
usb ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
vdpa vhost,vdpa,virtio: cleanups, fixes 2020-10-23 11:00:57 -07:00
vfio VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
vhost vhost_vdpa: remove unnecessary spin_lock in vhost_vring_call 2020-10-21 10:48:10 -04:00
video ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
virt
virtio vhost,vdpa,virtio: cleanups, fixes 2020-10-23 11:00:57 -07:00
visorbus
vlynq
vme
w1 w1: w1_therm: make w1_poll_completion static 2020-10-05 14:49:24 +02:00
watchdog ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
xen xen: branch for v5.10-rc1c 2020-10-25 10:55:35 -07:00
zorro
Kconfig
Makefile