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Christoph Hellwig c923258e34 iomap: fix sub-page uptodate handling 
commit 1cea335d1db1ce6ab71b3d2f94a807112b738a0f upstream.

bio completions can race when a page spans more than one file system
block.  Add a spinlock to synchronize marking the page uptodate.

Fixes: 9dc55f1389f9 ("iomap: add support for sub-pagesize buffered I/O without buffer heads")
Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-22 10:59:50 +02:00
..
acpi
ACPI: scan: Use unique number for instance_no
2021-03-30 14:37:02 +02:00
asm-generic
vmlinux.lds.h: Create section for protection against instrumentation
2021-03-24 11:07:31 +01:00
clocksource
…
crypto
crypto: api - check for ERR pointers in crypto_destroy_tfm()
2021-05-22 10:59:14 +02:00
drm
drm/atomic_helper: Stop modesets on unregistered connectors harder
2020-12-02 08:48:08 +01:00
dt-bindings
dt-bindings: reset: meson8b: fix duplicate reset IDs
2020-01-23 08:21:26 +01:00
keys
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:30:24 +02:00
kvm
KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block
2019-08-25 10:47:59 +02:00
linux
iomap: fix sub-page uptodate handling
2021-05-22 10:59:50 +02:00
math-emu
math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning
2019-12-13 08:51:34 +01:00
media
media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros
2020-02-24 08:34:41 +01:00
memory
…
misc
…
net
Bluetooth: verify AMP hci_chan before amp_destroy
2021-05-22 10:59:23 +02:00
pcmcia
…
ras
…
rdma
RDMA/core: Fix double destruction of uobject
2020-06-03 08:19:43 +02:00
scsi
Fix misc new gcc warnings
2021-05-22 10:59:21 +02:00
soc
irqchip/eznps: Fix build error for !ARC700 builds
2020-09-17 13:45:25 +02:00
sound
ASoC: rt5670: Add new gpio1_is_ext_spk_en quirk and enable it on the Lenovo Miix 2 10
2020-07-29 10:16:58 +02:00
target
scsi: target: core: Add cmd length set before cmd complete
2021-03-17 16:43:46 +01:00
trace
memcg: fix a crash in wb_workfn when a device disappears
2021-02-13 13:51:15 +01:00
uapi
netfilter: xt_SECMARK: add new revision to fix structure layout
2021-05-22 10:59:43 +02:00
video
udlfb: introduce a rendering mutex
2019-05-25 18:23:30 +02:00
xen
Xen/gntdev: correct error checking in gntdev_map_grant_pages()
2021-02-23 15:00:59 +01:00