In the CONFIG_X86_VERBOSE_BOOTUP=Y case, the debug_puthex() macro just
turns into __puthex(), which takes 'unsigned long' as parameter.
But in the CONFIG_X86_VERBOSE_BOOTUP=N case, it is a function which
takes 'unsigned char *', causing compile warnings when the function is
used. Fix the parameter type to get rid of the warnings.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200319091407.1481-11-joro@8bytes.org
In file included
from include/linux/huge_mm.h:8,
from include/linux/mm.h:567,
from arch/m68k/include/asm/uaccess_no.h:8,
from arch/m68k/include/asm/uaccess.h:3,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from kernel/locking/percpu-rwsem.c:6:
include/linux/fs.h:1422:29: error: array type has incomplete element type 'struct percpu_rw_semaphore'
1422 | struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS];
Removing the include of linux/mm.h from the uaccess header solves the problem
and various build tests of nommu configurations still work.
Fixes: 80fbaf1c3f ("rcuwait: Add @state argument to rcuwait_wait_event()")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lkml.kernel.org/r/87fte1qzh0.fsf@nanos.tec.linutronix.de
A recent change to freeze_secondary_cpus() which added an early abort if a
wakeup is pending missed the fact that the function is also invoked for
shutdown, reboot and kexec via disable_nonboot_cpus().
In case of disable_nonboot_cpus() the wakeup event needs to be ignored as
the purpose is to terminate the currently running kernel.
Add a 'suspend' argument which is only set when the freeze is in context of
a suspend operation. If not set then an eventually pending wakeup event is
ignored.
Fixes: a66d955e91 ("cpu/hotplug: Abort disabling secondary CPUs if wakeup is pending")
Reported-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/874kuaxdiz.fsf@nanos.tec.linutronix.de
This reverts commit 4f41fe386a.
The change breaks systems on which the DT node of a device is used by
multiple drivers. The proposed workaround to clear OF_POPULATED is just a
band aid and this needs to be cleaned up at the root of the problem.
Revert this for now.
Reported-by: Ionela Voinescu <ionela.voinescu@arm.com>
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Requested-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200324175955.GA16972@arm.com
The interrupt is not required so use platform_irq_get_optional() to
avoid error messages like
i2c-pca-platform 22080000.i2c: IRQ index 0 not found
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Only one user left; the thing had been made polymorphic back in 2013
for the sake of MPX. No point keeping it now that MPX is gone.
Convert futex_atomic_cmpxchg_inatomic() to user_access_{begin,end}()
while we are at it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Lift stac/clac pairs from __futex_atomic_op{1,2} into arch_futex_atomic_op_inuser(),
fold them with access_ok() in there. The switch in arch_futex_atomic_op_inuser()
is what has required the previous (objtool) commit...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
it's not really different from e.g. __sanitizer_cov_trace_cmp4();
as it is, the switches that generate an array of labels get
rejected by objtool, while slightly different set of cases
that gets compiled into a series of comparisons is accepted.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Move access_ok() in and pagefault_enable()/pagefault_disable() out.
Mechanical conversion only - some instances don't really need
a separate access_ok() at all (e.g. the ones only using
get_user()/put_user(), or architectures where access_ok()
is always true); we'll deal with that in followups.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Daniel Borkmann says:
====================
pull-request: bpf 2020-03-27
The following pull-request contains BPF updates for your *net* tree.
We've added 3 non-merge commits during the last 4 day(s) which contain
a total of 4 files changed, 25 insertions(+), 20 deletions(-).
The main changes are:
1) Explicitly memset the bpf_attr structure on bpf() syscall to avoid
having to rely on compiler to do so. Issues have been noticed on
some compilers with padding and other oddities where the request was
then unexpectedly rejected, from Greg Kroah-Hartman.
2) Sanitize the bpf_struct_ops TCP congestion control name in order to
avoid problematic characters such as whitespaces, from Martin KaFai Lau.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
On Android/x86 the module loading infrastructure can't deal with
softdeps. Therefore the check for presence of the Realtek PHY driver
module fails. mdiobus_register() will try to load the PHY driver
module, therefore move the check to after this call and explicitly
check that a dedicated PHY driver is bound to the PHY device.
Fixes: f325937735 ("r8169: check that Realtek PHY driver module is loaded")
Reported-by: Chih-Wei Huang <cwhuang@android-x86.org>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2020-03-27
1) Handle NETDEV_UNREGISTER for xfrm device to handle asynchronous
unregister events cleanly. From Raed Salem.
2) Fix vti6 tunnel inter address family TX through bpf_redirect().
From Nicolas Dichtel.
3) Fix lenght check in verify_sec_ctx_len() to avoid a
slab-out-of-bounds. From Xin Long.
4) Add a missing verify_sec_ctx_len check in xfrm_add_acquire
to avoid a possible out-of-bounds to access. From Xin Long.
5) Use built-in RCU list checking of hlist_for_each_entry_rcu
to silence false lockdep warning in __xfrm6_tunnel_spi_lookup
when CONFIG_PROVE_RCU_LIST is enabled. From Madhuparna Bhowmik.
6) Fix a panic on esp offload when crypto is done asynchronously.
From Xin Long.
7) Fix a skb memory leak in an error path of vti6_rcv.
From Torsten Hilbrich.
8) Fix a race that can lead to a doulbe free in xfrm_policy_timer.
From Xin Long.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
For the devicetree files, there are a total of 20 patches, almost
entirely for 32-bit machines:
- The Allwinner/sun9i r40 SoC dtsi file contains a number of issues,
both for correctness and for style that are addressed in separate
patches. This causes most of the changed lines of the DT updates
this time.
- More Allwinner updates fixing the identification of the security
system on sun8i/A33, a recent regression of the A83t ethernet, and a
few board specific issues on the TBS-A711 macine.
- Several bug fixes for OMAP dts files, most notably fixing the timings
for the NAND flash on the Nokia N900 that regressed a while ago after
the move to configuring them from DT. Some other OMAPs now set the
correct dma limits on the L3 bus, and a regression fix addresses lost
Ethernet on dm814x
- One incorrect setting in the newly added Raspberry Pi Zero W that
may cause issues with the SD card controller.
- A missing property on the bcm2835 firmware node caused incorrect
DMA settings.
- An old bug on the oxnas platform causing spurious interrupts is
finally addressed.
- A regression on the Exynos Midas board broke the OLED panel
power supply.
- The i.MX6 phycore SoM specified the wrong voltage for the SoC,
this is now set to the values from the datasheet.
- Some 64-bit machines use a deprecated string to identify the PSCI
firmware.
There are also several small code fixes addressing mostly serious
issues:
- Fix the sunxi rsb bus access to no longer return incorrect data when
mixing 8 and 16 bit I/O.
- Fix a suspend/resume regression on the OMAP2+ lcdc from a missing
quirk in the ti-sysc driver
- Fix a NULL pointer access from a race in the fsl dpio driver
- Fix a v5.5 regression in the exynos-chipid driver that caused an
invalid error code probing the device on non-exynos platforms
- Fix an out-of-bounds access in the AMD TEE driver
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Merge tag 'arm-soc-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT and driver fixes from Arnd Bergmann:
"For the devicetree files, there are a total of 20 patches, almost
entirely for 32-bit machines:
- The Allwinner/sun9i r40 SoC dtsi file contains a number of issues,
both for correctness and for style that are addressed in separate
patches. This causes most of the changed lines of the DT updates
this time.
- More Allwinner updates fixing the identification of the security
system on sun8i/A33, a recent regression of the A83t ethernet, and
a few board specific issues on the TBS-A711 macine.
- Several bug fixes for OMAP dts files, most notably fixing the
timings for the NAND flash on the Nokia N900 that regressed a while
ago after the move to configuring them from DT. Some other OMAPs
now set the correct dma limits on the L3 bus, and a regression fix
addresses lost Ethernet on dm814x
- One incorrect setting in the newly added Raspberry Pi Zero W that
may cause issues with the SD card controller.
- A missing property on the bcm2835 firmware node caused incorrect
DMA settings.
- An old bug on the oxnas platform causing spurious interrupts is
finally addressed.
- A regression on the Exynos Midas board broke the OLED panel power
supply.
- The i.MX6 phycore SoM specified the wrong voltage for the SoC, this
is now set to the values from the datasheet.
- Some 64-bit machines use a deprecated string to identify the PSCI
firmware.
There are also several small code fixes addressing mostly serious
issues:
- Fix the sunxi rsb bus access to no longer return incorrect data
when mixing 8 and 16 bit I/O.
- Fix a suspend/resume regression on the OMAP2+ lcdc from a missing
quirk in the ti-sysc driver
- Fix a NULL pointer access from a race in the fsl dpio driver
- Fix a v5.5 regression in the exynos-chipid driver that caused an
invalid error code probing the device on non-exynos platforms
- Fix an out-of-bounds access in the AMD TEE driver"
* tag 'arm-soc-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
soc: samsung: chipid: Fix return value on non-Exynos platforms
arm64: dts: Fix leftover entry-methods for PSCI
ARM: dts: exynos: Fix regulator node aliasing on Midas-based boards
ARM: dts: oxnas: Fix clear-mask property
ARM: dts: bcm283x: Fix vc4's firmware bus DMA limitations
ARM: dts: omap5: Add bus_dma_limit for L3 bus
ARM: dts: omap4-droid4: Fix lost touchscreen interrupts
ARM: dts: dra7: Add bus_dma_limit for L3 bus
ARM: bcm2835-rpi-zero-w: Add missing pinctrl name
ARM: dts: sun8i: a33: add the new SS compatible
dt-bindings: crypto: add new compatible for A33 SS
ARM: dts: sun8i: r40: Move SPI device nodes based on address order
ARM: dts: sun8i: r40: Fix register base address for SPI2 and SPI3
ARM: dts: sun8i: r40: Move AHCI device node based on address order
ARM: dts: imx6: phycore-som: fix arm and soc minimum voltage
soc: fsl: dpio: register dpio irq handlers after dpio create
tee: amdtee: out of bounds read in find_session()
ARM: dts: N900: fix onenand timings
bus: ti-sysc: Fix quirk flags for lcdc on am335x
ARM: dts: Fix dm814x Ethernet by changing to use rgmii-id mode
...
With the help of previously added tracepoints we can now trace
report-zones, zone-write and zone-mgmt ops in null_blk_zoned.c.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This patch adds two new tracpoints for null_blk_zoned.c that allows us
to trace report-zones, zone-mgmt-op and zone-write operations which has
direct effect on the zone condition state machine.
Also, we update drivers/block/Makefile so that new null_blk related
tracefiles can be compiled.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add a helper to stringify the zone conditions. We use this helper in the
next patch to track zone conditions in tracepoints.
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Function gfs2_recover_func grabs the sd_log_flush_lock rw_semaphore in
write mode. This is unnecessary because we only need to prevent log flush
from using sd_log_bio bio while it does. Therefore, a read lock will be
enough. This is a small step in cleaning up log flush.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Before this patch, if the ail1 flush got stuck for some reason, there
were no clues as to why. This patch introduces a check for getting
stuck for more than a minute, and if it happens, it dumps the items
still remaining on the ail1 list.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
In function try_rgrp_unlink, we added a temporary lock of the
sd_log_flush_lock while searching the bitmaps. This protected us from
problems in which dinodes being freed were still in a state of flux
because the rgrp was in an active transaction. It was a kludge.
Now that we've straightened out the code for inode eviction, deletes,
and all the recovery mess, we no longer need this kludge.
This patch removes it, and should improve performance.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
We now get the quota data structure when opening a file writable and put it
when closing that writable file descriptor, so there no longer is a need for
gfs2_qa_{get,put} while we're holding a writable file descriptor.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Keeping reservations and quotas separate helps reviewing the code.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Before this patch, multiple users called gfs2_qa_alloc which allocated
a qadata structure to the inode, if quotas are turned on. Later, in
file close or evict, the structure was deleted with gfs2_qa_delete.
But there can be several competing processes who need access to the
structure. There were races between file close (release) and the others.
Thus, a release could delete the structure out from under a process
that relied upon its existence. For example, chown.
This patch changes the management of the qadata structures to be
a get/put scheme. Function gfs2_qa_alloc has been changed to gfs2_qa_get
and if the structure is allocated, the count essentially starts out at
1. Function gfs2_qa_delete has been renamed to gfs2_qa_put, and the
last guy to decrement the count to 0 frees the memory.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Before this patch, multiple callers called gfs2_rsqa_alloc to force
the existence of a reservations structure and a quota data structure
if needed. However, now the reservations are handled separately, so
the quota data is only the quota data. So we eliminate the one in
favor of just calling gfs2_qa_alloc directly.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Replace open-coded versions of list_first_entry and list_last_entry with those
functions.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
When allocating a new inode, mark the iopen glock holder as uninitialized to
make sure gfs2_evict_inode won't fail after an incomplete create or lookup. In
gfs2_evict_inode, allow the inode glock to be NULL and remove the duplicate
iopen glock teardown code. In gfs2_inode_lookup, don't tear down things that
gfs2_evict_inode will already tear down.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Sorry for the last minute patches, but a few things fell through the cracks
recently. I was on the fence about sending a late PR just for the M-mode
fixes, as we don't really have any users, but the last patch fixes the build
for Fedora which I consider pretty important. Given that the M-mode fixes
should be very low risk, I figured it's worth sending them along as well.
This passes my standard "boot in QEMU" test.
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Merge tag 'riscv-for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"Sorry for the last minute patches, but a few things fell through the
cracks recently. I was on the fence about sending a late pull request
just for the M-mode fixes, as we don't really have any users, but the
last patch fixes the build for Fedora which I consider pretty
important.
Given that the M-mode fixes should be very low risk, I figured it's
worth sending them along as well.
Thhis passes my standard 'boot in QEMU' test"
* tag 'riscv-for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Move all address space definition macros to one place
RISC-V: Only select essential drivers for SOC_VIRT config
riscv: fix the IPI missing issue in nommu mode
riscv: uaccess should be used in nommu mode
The bio_map_* helpers are just the low-level helpers for the
blk_rq_map_* APIs. Move them together for better logical grouping,
as no there isn't much overlap with other code in bio.c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
A single fix for building dtc with GCC 10.
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Merge tag 'devicetree-fixes-for-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree fix from Rob Herring:
"A single fix for building dtc with GCC 10"
* tag 'devicetree-fixes-for-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
scripts/dtc: Remove redundant YYLOC global declaration
- Fix defconfig build when using Clang's integrated assembler
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"Fix defconfig build when using Clang's integrated assembler"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: alternative: fix build with clang integrated assembler
It clarifies the code slightly to use SMB2_SIGNATURE_SIZE
define rather than 16.
Suggested-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Provide more information about __ex_table sorting post link.
The exception tables and fixup tables use a commonly recurring pattern
in the kernel of storing the address of labels as date in custom ELF
sections, then finding these sections, iterating elements within them,
and possibly revisiting them or modifying the data at these addresses.
Sorting readonly arrays to minimize runtime penalties is quite clever.
Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20200327000951.84071-1-ndesaulniers@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
fixing the parents of a few clks and making KASAN happy with how the
message passing code works. Besides that we have a TI driver fix for the
RTC parent and a fix for the basic gate type registration functions
introduced this release where they didn't actually pass the arguments in
the right places to the multiplexer function down below.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of clk driver fixes.
Mostly they're around the i.MX drivers fixing the parents of a few
clks and making KASAN happy with how the message passing code works.
Besides that we have a TI driver fix for the RTC parent and a fix for
the basic gate type registration functions introduced this release
where they didn't actually pass the arguments in the right places to
the multiplexer function down below"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: imx: Align imx sc clock parent msg structs to 4
clk: imx: Align imx sc clock msg structs to 4
clk: Pass correct arguments to __clk_hw_register_gate()
clk: ti: am43xx: Fix clock parent for RTC clock
clk: imx8mp: Correct the enet_qos parent clock
clk: imx8mp: Correct IMX8MP_CLK_HDMI_AXI clock parent
This reverts commit f10d9f617a.
We can't have queues without a make_request_fn any more (and the
loop device uses blk-mq these days anyway..).
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Current make_request based drivers use either blk_alloc_queue_node or
blk_alloc_queue to allocate a queue, and then set up the make_request_fn
function pointer and a few parameters using the blk_queue_make_request
helper. Simplify this by passing the make_request pointer to
blk_alloc_queue, and while at it merge the _node variant into the main
helper by always passing a node_id, and remove the superfluous gfp_mask
parameter. A lower-level __blk_alloc_queue is kept for the blk-mq case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
bcache is the only driver not actually passing its make_request
methods to blk_queue_make_request, but instead just sets them up
manually a little later. Make bcache follow the common way of
setting up make_request based queues.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use the new blk_mq_init_queue_data instead of open coding the queue
allocation and initialization.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This allows a driver to pass a queuedata member before ->init_hctx is
called. null_blk currently open codes this logic, but I'd rather have
it in the core to ease future maintainance.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
radeon/amdgpu/dma-buf:
- sg list fixes
scheduler:
- oops fix
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Merge tag 'drm-fixes-2020-03-27' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Pretty quiet: some minor sg mapping fixes for 3 drivers, and a single
oops fix for the scheduler. I'm hoping nobody tries to send me a fixes
pull today but I'll keep an eye out of the weekend.
radeon/amdgpu/dma-buf:
- sg list fixes
scheduler:
- oops fix"
* tag 'drm-fixes-2020-03-27' of git://anongit.freedesktop.org/drm/drm:
drm/scheduler: fix rare NULL ptr race
drm/radeon: fix scatter-gather mapping with user pages
drm/amdgpu: fix scatter-gather mapping with user pages
drm/prime: use dma length macro when mapping sg
This switches the EFM32 driver over to use the GPIO descriptor
handling in the core. The GPIO handling in this driver is
pretty simplistic so this should just work. Drop the GPIO headers
and insert the implicitly included <linux/of.h> header.
Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Uwe Kleine-König <u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Link: https://lore.kernel.org/r/20200317094914.331932-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
There really isn't any good reason to stash a method directly into
struct gendisk. Move it together with the other block device
operations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Joerg Roedel