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Keith Busch 2079699c10 nvme: Skip checking heads without namespaces 
If a task is holding a reference to a namespace on a removed controller,
the head will not be released. If the same controller is added again
later, its namespaces may not be successfully added. Instead, the user
will see kernel message "Duplicate IDs for nsid <X>".

This patch fixes that by skipping heads that don't have namespaces when
considering if a new namespace is safe to add.

Reported-by: Alex Gagniuc <Alex_Gagniuc@Dellteam.com>
Cc: stable@vger.kernel.org
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-03-26 08:53:43 -06:00
..
accessibility
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acpi
Merge branches 'acpi-ec', 'acpi-tables' and 'acpi-doc'
2018-02-15 12:02:42 +01:00
amba
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android
ANDROID: binder: synchronize_rcu() when using POLLFREE.
2018-02-16 11:16:38 +01:00
ata
pci-v4.16-changes
2018-02-06 09:59:40 -08:00
atm
atm: he: use 64-bit arithmetic instead of 32-bit
2018-02-08 15:05:16 -05:00
auxdisplay
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base
ACPI updates for v4.16-rc2
2018-02-15 14:50:32 -08:00
bcma
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block
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
2018-03-17 14:45:23 -06:00
bluetooth
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
bus
ARM: SoC driver updates for 4.16
2018-02-01 16:35:31 -08:00
cdrom
cdrom: do not call check_disk_change() inside cdrom_open()
2018-03-09 08:06:35 -07:00
char
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-02-14 17:02:15 -08:00
clk
MIPS changes for 4.16
2018-02-07 11:22:44 -08:00
clocksource
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connector
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cpufreq
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-02-14 17:02:15 -08:00
cpuidle
powerpc updates for 4.16
2018-02-02 10:01:04 -08:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2018-02-22 16:38:10 -08:00
dax
Merge branch 'for-4.16/dax' into libnvdimm-for-next
2018-02-03 00:26:10 -07:00
dca
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devfreq
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dio
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dma
Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
2018-02-02 09:50:51 -08:00
dma-buf
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
edac
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-02-14 17:02:15 -08:00
eisa
EISA: Delete error message for a failed memory allocation in eisa_probe()
2018-01-23 09:04:10 +01:00
extcon
extcon: int3496: process id-pin first so that we start with the right status
2018-02-14 06:37:33 +09:00
firewire
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
firmware
2nd set of arm64 updates for 4.16:
2018-02-08 10:44:25 -08:00
fmc
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fpga
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fsi
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gpio
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
gpu
Merge branch 'linux-4.16' of git://github.com/skeggsb/linux into drm-fixes
2018-02-16 14:26:01 +10:00
hid
usb: ldusb: add PIDs for new CASSY devices supported by this driver
2018-02-15 18:44:03 +01:00
hsi
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
hv
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
hwmon
Fix bad temperature display on Ryzen/Threadripper
2018-02-15 14:31:28 -08:00
hwspinlock
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hwtracing
Char/Misc driver patches for 4.16-rc1
2018-02-01 10:31:17 -08:00
i2c
Merge branch 'i2c/for-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2018-02-04 10:57:43 -08:00
ide
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
2018-03-17 14:45:23 -06:00
idle
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iio
First round of IIO fixes for the 4.16 cycle.
2018-02-20 10:03:22 +01:00
infiniband
RDMA/uverbs: Fix kernel panic while using XRC_TGT QP type
2018-02-21 13:52:19 -05:00
input
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
iommu
IOMMU Updates for Linux v4.16
2018-02-08 12:03:54 -08:00
ipack
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irqchip
irqchip/bcm: Remove hashed address printing
2018-02-16 14:22:16 +00:00
isdn
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
leds
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
lightnvm
block: Use blk_queue_flag_*() in drivers instead of queue_flag_*()
2018-03-08 14:13:48 -07:00
macintosh
powerpc/macio: set a proper dma_coherent_mask
2018-02-13 08:58:53 -08:00
mailbox
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
mcb
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md
bcache: Fix a compiler warning in bcache_device_init()
2018-03-18 20:15:20 -06:00
media
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
memory
ARM: SoC driver updates for 4.16
2018-02-01 16:35:31 -08:00
memstick
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message
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mfd
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
misc
misc: rtsx: rename SG_END macro
2018-03-01 08:33:05 -07:00
mmc
mmc: block: Delete gendisk before cleaning up the request queue
2018-03-22 11:04:32 -06:00
mtd
block: Use blk_queue_flag_*() in drivers instead of queue_flag_*()
2018-03-08 14:13:48 -07:00
mux
Char/Misc driver patches for 4.16-rc1
2018-02-01 10:31:17 -08:00
net
tg3: APE heartbeat changes
2018-02-19 14:16:52 -05:00
nfc
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ntb
NTB: ntb_perf: fix cast to restricted __le32
2018-01-28 22:17:24 -05:00
nubus
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nvdimm
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
2018-03-17 14:45:23 -06:00
nvme
nvme: Skip checking heads without namespaces
2018-03-26 08:53:43 -06:00
nvmem
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of
device property: Constify device_get_match_data()
2018-02-12 10:41:11 +01:00
opp
opp: cpu: Replace GFP_ATOMIC with GFP_KERNEL in dev_pm_opp_init_cpufreq_table
2018-02-12 15:07:46 +05:30
oprofile
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parisc
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parport
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pci
PCI/cxgb4: Extend T3 PCI quirk to T4+ devices
2018-02-16 15:41:53 -05:00
pcmcia
Merge branch 'pcmcia' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia
2018-02-08 11:48:49 -08:00
perf
bitmap: replace bitmap_{from,to}_u32array
2018-02-06 18:32:44 -08:00
phy
USB/PHY updates for 4.16-rc1
2018-02-01 09:40:49 -08:00
pinctrl
This is the bulk of pin control changes for the v4.16 kernel cycle:
2018-02-02 14:22:53 -08:00
platform
platform/x86: dell-laptop: Removed duplicates in DMI whitelist
2018-02-15 12:18:33 +02:00
pnp
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power
power supply and reset changes for the v4.16 series
2018-01-31 12:55:31 -08:00
powercap
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pps
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
ps3
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ptp
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
pwm
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rapidio
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
ras
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
regulator
regulator: Fix suspend to idle
2018-01-30 12:25:59 +00:00
remoteproc
remoteproc updates for v4.16
2018-02-05 10:07:40 -08:00
reset
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rpmsg
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
rtc
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
s390
bsg-lib: introduce a timeout field in struct bsg_job
2018-03-13 11:40:21 -06:00
sbus
pci-v4.16-changes
2018-02-06 09:59:40 -08:00
scsi
block: Move SECTOR_SIZE and SECTOR_SHIFT definitions into <linux/blkdev.h>
2018-03-17 14:45:23 -06:00
sfi
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sh
cpufreq: Add and use cpufreq_for_each_{valid_,}entry_idx()
2018-02-08 10:21:39 +01:00
siox
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slimbus
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sn
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soc
ARM: SoC driver updates for 4.16
2018-02-01 16:35:31 -08:00
soundwire
soundwire: Fix a signedness bug
2018-01-22 16:45:26 +01:00
spi
Merge remote-tracking branch 'spi/topic/xilinx' into spi-next
2018-01-26 17:57:34 +00:00
spmi
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ssb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
2018-02-01 10:37:39 +02:00
staging
staging: rts5208: rename SG_END macro
2018-03-01 08:33:06 -07:00
target
iscsi-target: use common inet_addr_is_any
2018-03-26 08:53:43 -06:00
tc
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tee
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thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2018-02-06 15:04:58 -08:00
thunderbolt
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tty
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
uio
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
usb
USB fixes for 4.16-rc3
2018-02-22 12:13:01 -08:00
uwb
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vfio
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
vhost
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
video
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-02-14 17:02:15 -08:00
virt
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
virtio
virtio_pci: don't kfree device on register failure
2018-02-01 16:26:45 +02:00
visorbus
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vlynq
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vme
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w1
Documentation updates for 4.16. New stuff includes refcount_t
2018-01-31 19:25:25 -08:00
watchdog
linux-watchdog 4.16-rc1 merge window tag
2018-02-07 11:54:34 -08:00
xen
mm, swap, frontswap: fix THP swap if frontswap enabled
2018-02-21 15:35:43 -08:00
zorro
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Kconfig
Char/Misc driver patches for 4.16-rc1
2018-02-01 10:31:17 -08:00
Makefile
pci-v4.16-changes
2018-02-06 09:59:40 -08:00