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Christoph Hellwig ac7c5675fa blk-mq: allow blk_mq_make_request to consume the q_usage_counter reference 
blk_mq_make_request currently needs to grab an q_usage_counter
reference when allocating a request.  This is because the block layer
grabs one before calling blk_mq_make_request, but also releases it as
soon as blk_mq_make_request returns.  Remove the blk_queue_exit call
after blk_mq_make_request returns, and instead let it consume the
reference.  This works perfectly fine for the block layer caller, just
device mapper needs an extra reference as the old problem still
persists there.  Open code blk_queue_enter_live in device mapper,
as there should be no other callers and this allows better documenting
why we do a non-try get.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 		2020-05-19 09:34:29 -06:00
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accessibility
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acpi More ACPI updates for 5.7-rc1 2020-04-10 09:52:15 -07:00
amba Revert "amba: Initialize dma_parms for amba devices" 2020-04-01 08:03:28 +02:00
android
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ata block: move dma_pad handling from blk_rq_map_sg into the callers 2020-04-22 10:47:39 -06:00
atm .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
auxdisplay
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base driver core: remove device_create_vargs 2020-05-09 16:15:13 -06:00
bcma
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block null_blk: Support REQ_OP_ZONE_APPEND 2020-05-12 20:36:28 -06:00
bluetooth
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bus ARM: driver updates 2020-04-03 15:05:35 -07:00
cdrom cdrom: factor out a cdrom_multisession helper 2020-05-04 10:13:42 -06:00
char Merge branch 'akpm' (patches from Andrew) 2020-04-10 17:57:48 -07:00
clk clk: sprd: don't gate uart console clock 2020-04-13 12:20:07 -07:00
clocksource clocksource/drivers/timer-vf-pit: Add missing parenthesis 2020-04-05 09:24:58 +02:00
connector
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counter
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cpufreq Additional power management updates for 5.7-rc1 2020-04-06 10:14:39 -07:00
cpuidle Merge branch 'pm-cpuidle' 2020-04-10 11:32:22 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-04-08 21:35:29 -07:00
dax dax: Move mandatory ->zero_page_range() check in alloc_dax() 2020-04-02 19:15:03 -07:00
dca
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devfreq PM / devfreq: Fix handling dev_pm_qos_remove_request result 2020-03-25 08:35:03 +09:00
dio
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dma drivers/dma/tegra20-apb-dma.c: fix platform_get_irq.cocci warnings 2020-04-10 15:36:22 -07:00
dma-buf A bunch of fixes to avoid null pointer dereference in fbcon, fix a return 2020-04-08 09:14:34 +10:00
edac Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
eisa .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
extcon Char/Misc driver patches for 5.7-rc1 2020-04-03 13:22:40 -07:00
firewire
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firmware efi/libstub/file: Merge file name buffers to reduce stack usage 2020-04-14 08:32:15 +02:00
fpga
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fsi
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gnss
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gpio This is the bulk of GPIO development for the v5.7 kernel cycle. 2020-04-04 10:27:00 -07:00
gpu Merge branch 'linux-5.7' of git://github.com/skeggsb/linux into drm-fixes 2020-04-16 15:40:02 +10:00
greybus
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hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid 2020-04-01 15:18:42 -07:00
hsi
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hv hyperv-fixes for 5.7-rc1 2020-04-14 11:58:04 -07:00
hwmon hwmon: (jc42) Fix name to have no illegal characters 2020-04-18 10:13:07 -07:00
hwspinlock hwspinlock: hwspinlock_internal.h: Replace zero-length array with flexible-array member 2020-03-25 22:30:46 -07:00
hwtracing intel_th: msu: Make stopping the trace optional 2020-03-24 13:45:24 +01:00
i2c i2c: tegra: Synchronize DMA before termination 2020-04-15 18:27:31 +02:00
i3c i3c: convert to use i2c_new_client_device() 2020-03-29 10:35:50 +02:00
ide ide-cd: rename cdrom_read_tocentry 2020-05-04 10:13:42 -06:00
idle Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
iio chrome platform changes for 5.7 2020-04-08 21:25:49 -07:00
infiniband RDMA 5.7 pull request 2020-04-01 18:18:18 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-04-07 20:20:12 -07:00
interconnect
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iommu Merge branches 'iommu/fixes', 'arm/qcom', 'arm/omap', 'arm/smmu', 'x86/amd', 'x86/vt-d', 'virtio' and 'core' into next 2020-03-27 11:33:27 +01:00
ipack
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irqchip Merge branch 'irq/gic-v4.1-fixes-5.7' into irq/irqchip-5.7 2020-04-17 08:59:55 +01:00
isdn mISDN: make dmril and dmrim static 2020-04-16 13:52:31 -07:00
leds leds: core: Fix warning message when init_data 2020-04-06 23:12:08 +02:00
lightnvm for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
macintosh Char/Misc driver patches for 5.7-rc1 2020-04-03 13:22:40 -07:00
mailbox
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mcb
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md blk-mq: allow blk_mq_make_request to consume the q_usage_counter reference 2020-05-19 09:34:29 -06:00
media Power management updates for 5.7-rc1 2020-03-30 15:05:01 -07:00
memory ARM: driver updates 2020-04-03 15:05:35 -07:00
memstick
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message scsi: message: fusion: Replace zero-length array with flexible-array member 2020-03-26 22:40:47 -04:00
mfd mfd: intel-lpss: Fix Intel Elkhart Lake LPSS I2C input clock 2020-03-30 07:35:28 +01:00
misc virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00
mmc MMC core: 2020-03-31 16:13:09 -07:00
most staging: most: move core files out of the staging area 2020-03-24 13:42:44 +01:00
mtd bdi: remove the name field in struct backing_dev_info 2020-05-09 16:15:13 -06:00
mux
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net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-25 18:58:11 -07:00
ntb pci-v5.7-changes 2020-04-03 14:25:02 -07:00
nubus
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nvdimm libnvdimm for 5.7 2020-04-08 21:03:40 -07:00
nvme nvme: fix possible hang when ns scanning fails during error recovery 2020-05-09 16:07:58 -06:00
nvmem nvmem: core: remove nvmem_sysfs_get_groups() 2020-03-25 19:23:49 +01:00
of of: unittest: kmemleak in duplicate property update 2020-04-17 08:31:34 -05:00
opp opp: Manage empty OPP tables with clk handle 2020-04-13 16:14:55 +05:30
oprofile
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parisc parisc: Replace setup_irq() by request_irq() 2020-04-05 22:05:23 +02:00
parport
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pci IOMMU Updates for Linux v5.7 2020-04-08 11:00:00 -07:00
pcmcia pcmcia: remove some unused space characters 2020-03-31 18:48:22 +02:00
perf arm64 updates for 5.7: 2020-03-31 10:05:01 -07:00
phy pci-v5.7-changes 2020-04-03 14:25:02 -07:00
pinctrl This is the bulk of GPIO development for the v5.7 kernel cycle. 2020-04-04 10:27:00 -07:00
platform chrome-platform fixes for v5.7-rc2 2020-04-16 15:00:57 -07:00
pnp
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power change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
powercap Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
pps
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ps3 powerpc/ps3: Remove an unneeded NULL check 2020-04-03 00:09:59 +11:00
ptp ptp: Avoid deadlocks in the programmable pin code. 2020-03-30 11:16:38 -07:00
pwm pwm: pca9685: Fix PWM/GPIO inter-operation 2020-04-03 21:41:42 +02:00
rapidio
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ras
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regulator spi/regulator: Updates for v5.7 2020-03-30 14:58:26 -07:00
remoteproc remoteproc/omap: Fix set_load call in omap_rproc_request_timer 2020-04-03 10:47:21 -07:00
reset
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rpmsg
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rtc - New Drivers 2020-04-07 19:48:52 -07:00
s390 dasd: use blk_drop_partitions instead of badly reimplementing it 2020-04-20 11:32:59 -06:00
sbus
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scsi scsi: sd_zbc: emulate ZONE_APPEND commands 2020-05-12 20:36:28 -06:00
sfi
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sh
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siox
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slimbus
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soc RISC-V Patches for the 5.7 Merge Window, Part 1 2020-04-09 10:51:30 -07:00
soundwire Char/Misc driver patches for 5.7-rc1 2020-04-03 13:22:40 -07:00
spi sound updates for 5.7-rc1 2020-04-02 15:50:04 -07:00
spmi
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ssb
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staging mm/vma: introduce VM_ACCESS_FLAGS 2020-04-10 15:36:21 -07:00
target scsi: target: tcmu: reset_ring should reset TCMU_DEV_BIT_BROKEN 2020-04-13 14:03:20 -04:00
tc
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tee ARM: driver updates 2020-04-03 15:05:35 -07:00
thermal - Convert tsens configuration DT binding to yaml (Rajeshwari) 2020-04-07 20:00:16 -07:00
thunderbolt
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tty powerpc updates for 5.7 2020-04-05 11:12:59 -07:00
uio
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usb SCSI misc on 20200402 2020-04-02 17:03:53 -07:00
vdpa vdpa: move to drivers/vdpa 2020-04-02 10:41:40 -04:00
vfio vfio: Ignore -ENODEV when getting MSI cookie 2020-04-01 13:51:51 -06:00
vhost vhost: introduce vDPA-based backend 2020-04-02 10:41:40 -04:00
video drm fixes for 5.7-rc1 2020-04-07 20:24:34 -07:00
virt
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virtio virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00
visorbus
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vlynq
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vme
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w1
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watchdog watchdog: sp805: fix restart handler 2020-04-08 11:18:38 +02:00
xen xen: branch for v5.7-rc2 2020-04-17 10:35:17 -07:00
zorro SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
Kconfig virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00
Makefile virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00