AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers
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Dongli Zhang 758a58d0bc loop: set GENHD_FL_NO_PART_SCAN after blkdev_reread_part() 
Commit 0da03cab87
("loop: Fix deadlock when calling blkdev_reread_part()") moves
blkdev_reread_part() out of the loop_ctl_mutex. However,
GENHD_FL_NO_PART_SCAN is set before __blkdev_reread_part(). As a result,
__blkdev_reread_part() will fail the check of GENHD_FL_NO_PART_SCAN and
will not rescan the loop device to delete all partitions.

Below are steps to reproduce the issue:

step1 # dd if=/dev/zero of=tmp.raw bs=1M count=100
step2 # losetup -P /dev/loop0 tmp.raw
step3 # parted /dev/loop0 mklabel gpt
step4 # parted -a none -s /dev/loop0 mkpart primary 64s 1
step5 # losetup -d /dev/loop0

Step5 will not be able to delete /dev/loop0p1 (introduced by step4) and
there is below kernel warning message:

[  464.414043] __loop_clr_fd: partition scan of loop0 failed (rc=-22)

This patch sets GENHD_FL_NO_PART_SCAN after blkdev_reread_part().

Fixes: 0da03cab87 ("loop: Fix deadlock when calling blkdev_reread_part()")
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-02-22 15:51:22 -07:00
..
accessibility
acpi ACPI: Set debug output flags independent of ACPICA 2019-02-07 12:24:28 +01:00
amba
android binderfs: remove separate device_initcall() 2019-02-01 15:50:26 +01:00
ata Linux 5.0-rc6 2019-02-15 08:43:59 -07:00
atm atm: he: fix sign-extension overflow on large shift 2019-01-17 11:27:00 -08:00
auxdisplay auxdisplay: charlcd: fix x/y command parsing 2018-12-21 21:27:21 +01:00
base Driver core fixes for 5.0-rc6 2019-02-08 10:53:44 -08:00
bcma
block loop: set GENHD_FL_NO_PART_SCAN after blkdev_reread_part() 2019-02-22 15:51:22 -07:00
bluetooth Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading 2018-12-19 13:43:42 +01:00
bus ARM: SoC driver updates 2018-12-31 17:32:35 -08:00
cdrom cdrom: Fix race condition in cdrom_sysctl_register 2019-02-08 06:46:59 -07:00
char Char/Misc driver fixes for 5.0-rc4 2019-01-25 13:03:34 -10:00
clk clk: qcom: gcc: Use active only source for CPUSS clocks 2019-01-24 11:41:48 -08:00
clocksource arch/csky patches for 4.21-rc1 2019-01-05 09:50:07 -08:00
connector
cpufreq Merge branches 'pm-cpuidle', 'pm-cpufreq' and 'pm-sleep' 2019-01-11 10:09:51 +01:00
cpuidle cpuidle: poll_state: Fix default time limit 2019-01-30 22:57:42 +01:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-01-31 23:09:00 -08:00
dax mm, devm_memremap_pages: fix shutdown handling 2018-12-28 12:11:47 -08:00
dca
devfreq PM / devfreq: add devfreq_suspend/resume() functions 2018-12-11 11:40:13 +09:00
dio
dma dmaengine-fix-5.0-rc6 2019-02-10 10:39:37 -08:00
dma-buf drivers/dma-buf/udmabuf.c: convert to use vm_fault_t 2019-01-04 13:13:46 -08:00
edac EDAC, altera: Fix S10 persistent register offset 2019-01-24 17:13:59 +01:00
eisa
extcon
firewire scsi: communicate max segment size to the DMA mapping code 2019-01-22 20:40:59 -05:00
firmware ARM: SoC fixes for linux-5.0 2019-02-08 16:23:41 -08:00
fmc
fpga fpga: stratix10-soc: fix wrong of_node_put() in init function 2019-01-31 16:19:48 +01:00
fsi
gnss Merge 4.20-rc6 into tty-next 2018-12-10 10:17:45 +01:00
gpio gpio: vf610: Mask all GPIO interrupts 2019-01-28 15:28:43 +01:00
gpu drm-misc-fixes for v5.0-rc6: 2019-02-08 10:32:49 +10:00
hid HID: debug: fix the ring buffer implementation 2019-01-29 12:09:11 +01:00
hsi
hv vmbus: fix subchannel removal 2019-01-09 19:20:31 -05:00
hwmon hwmon: (tmp421) Correct the misspelling of the tmp442 compatible attribute in OF device ID table 2019-01-17 12:54:52 -08:00
hwspinlock hwspinlock: fix return value check in stm32_hwspinlock_probe() 2019-01-03 11:42:10 -08:00
hwtracing intel_th: msu: Fix an off-by-one in attribute store 2018-12-19 20:21:06 +01:00
i2c i2c: omap: Use noirq system sleep pm ops to idle device for suspend 2019-02-05 13:13:20 +01:00
i3c i3c: master: dw: fix deadlock 2019-01-26 11:14:25 +01:00
ide ide: ensure atapi sense request aren't preempted 2019-01-31 08:25:09 -07:00
idle
iio First set of IIO fixes for the 5.0 cycle. 2019-02-03 13:10:41 +01:00
infiniband IB/uverbs: Fix OOPs in uverbs_user_mmap_disassociate 2019-01-29 13:57:22 -07:00
input Mostly driver fixes, but there's a core framework fix in here too. 2019-01-31 23:22:57 -08:00
iommu IOMMU Fix for Linux v5.0-rc5: 2019-02-08 15:34:10 -08:00
ipack
irqchip Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-02-10 09:54:19 -08:00
isdn mISDN: fix a race in dev_expire_timer() 2019-02-05 16:39:29 -08:00
leds leds: lp5523: fix a missing check of return value of lp55xx_read 2019-01-17 22:27:39 +01:00
lightnvm lightnvm: pblk: fix race condition on GC 2019-02-11 08:18:08 -07:00
macintosh Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
mailbox mailbox: tegra-hsp: Use device-managed registration API 2018-12-21 22:31:26 -06:00
mcb
md Linux 5.0-rc6 2019-02-15 08:43:59 -07:00
media media: vim2m: only cancel work if it is for right context 2019-01-16 11:13:25 -05:00
memory ARM: SoC: late updates 2019-01-05 11:30:37 -08:00
memstick MMC core: 2018-12-28 16:52:18 -08:00
message scsi: flip the default on use_clustering 2018-12-18 23:13:12 -05:00
mfd mfd: Fix unmet dependency warning for MFD_TPS68470 2019-01-29 10:55:34 +01:00
misc mic: vop: Fix crash on remove 2019-02-01 15:53:54 +01:00
mmc Linux 5.0-rc6 2019-02-15 08:43:59 -07:00
mtd mtd: rawnand: gpmi: fix MX28 bus master lockup problem 2019-02-06 09:39:22 +01:00
mux
net net: dsa: b53: Fix for failure when irq is not defined in dt 2019-02-07 18:18:37 -08:00
nfc
ntb cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
nubus
nvdimm libnvdimm/security: Require nvdimm_security_setup_events() to succeed 2019-01-21 09:57:43 -08:00
nvme nvme-rdma: use nr_phys_segments when map rq to sgl 2019-02-21 06:39:20 -07:00
nvmem
of OF: properties: add missing of_node_put 2019-01-16 12:49:53 -06:00
opp cpufreq: scpi/scmi: Fix freeing of dynamic OPPs 2019-01-04 12:19:40 +01:00
oprofile
parisc Kconfig file consolidation for v4.21 2018-12-29 13:40:29 -08:00
parport
pci pci-v5.0-fixes-4 2019-02-08 15:32:10 -08:00
pcmcia Included in this update: 2019-01-05 11:23:17 -08:00
perf drivers/perf: hisi: Fixup one DDRC PMU register offset 2019-01-04 10:13:27 +00:00
phy USB/PHY fixes for 5.0-rc4 2019-01-25 12:57:09 -10:00
pinctrl pinctrl: sunxi: Correct number of IRQ banks on H6 main pin controller 2019-01-22 10:52:39 +01:00
platform platform/x86: Fix unmet dependency warning for SAMSUNG_Q10 2019-01-29 10:59:07 +01:00
pnp Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
power power supply and reset changes for the v4.21 series 2018-12-28 20:22:45 -08:00
powercap
pps Kconfig updates for v4.21 2018-12-29 13:03:29 -08:00
ps3
ptp ptp: check that rsv field is zero in struct ptp_sys_offset_extended 2019-01-08 16:22:56 -05:00
pwm pwm: imx: Add ipg clock operation 2018-12-24 12:06:56 +01:00
rapidio cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
ras treewide: surround Kconfig file paths with double quotes 2018-12-22 00:25:54 +09:00
regulator Merge remote-tracking branch 'regulator/topic/coupled' into regulator-next 2018-12-21 13:43:35 +00:00
remoteproc virtio: don't allocate vqs when names[i] = NULL 2019-01-14 20:15:19 -05:00
reset reset: uniphier-glue: Add AHCI reset control support in glue layer 2019-01-07 16:38:51 +01:00
rpmsg
rtc RTC for 4.21 2019-01-01 13:24:31 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 11:21:54 -08:00
sbus Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2018-12-26 10:32:18 -08:00
scsi Linux 5.0-rc6 2019-02-15 08:43:59 -07:00
sfi
sh
siox
slimbus
sn
soc soc/fsl fixes for v5.0 2019-01-30 11:14:04 +01:00
soundwire
spi cross-tree: phase out dma_zalloc_coherent() 2019-01-08 07:58:37 -05:00
spmi
ssb
staging Linux 5.0-rc6 2019-02-15 08:43:59 -07:00
target scsi: target: make the pi_prot_format ConfigFS path readable 2019-02-04 21:40:32 -05:00
tc
tee OP-TEE dynamic shm log message 2018-12-31 13:06:30 -08:00
thermal Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2019-01-23 16:23:41 +13:00
thunderbolt
tty TTY/Serial fixes for 5.0-rc6 2019-02-08 10:49:55 -08:00
uio Char/Misc driver patches for 4.21-rc1 2018-12-28 20:54:57 -08:00
usb usb: typec: tcpm: Correct the PPS out_volt calculation 2019-01-31 09:14:00 +01:00
uwb
vfio vfio-pci/nvlink2: Fix ancient gcc warnings 2019-01-23 08:20:43 -07:00
vhost vhost: fix OOB in get_rx_bufs() 2019-01-28 22:53:09 -08:00
video TTY/Serial driver fixes for 5.0-rc4 2019-01-25 12:58:40 -10:00
virt
virtio virtio: drop internal struct from UAPI 2019-02-05 15:29:48 -05:00
visorbus
vlynq
vme
w1 treewide: surround Kconfig file paths with double quotes 2018-12-22 00:25:54 +09:00
watchdog watchdog: tqmx86: Fix a couple IS_ERR() vs NULL bugs 2019-01-07 10:10:35 +01:00
xen arm64/xen: fix xen-swiotlb cache flushing 2019-01-23 22:14:56 +01:00
zorro
Kconfig Kconfig file consolidation for v4.21 2018-12-29 13:40:29 -08:00
Makefile