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blk-settings: align max_sectors on "logical_block_size" boundary
Mikulas Patocka authored 
commit 97f433c3 upstream.

We get I/O errors when we run md-raid1 on the top of dm-integrity on the
top of ramdisk.
device-mapper: integrity: Bio not aligned on 8 sectors: 0xff00, 0xff
device-mapper: integrity: Bio not aligned on 8 sectors: 0xff00, 0xff
device-mapper: integrity: Bio not aligned on 8 sectors: 0xffff, 0x1
device-mapper: integrity: Bio not aligned on 8 sectors: 0xffff, 0x1
device-mapper: integrity: Bio not aligned on 8 sectors: 0x8048, 0xff
device-mapper: integrity: Bio not aligned on 8 sectors: 0x8147, 0xff
device-mapper: integrity: Bio not aligned on 8 sectors: 0x8246, 0xff
device-mapper: integrity: Bio not aligned on 8 sectors: 0x8345, 0xbb

The ramdisk device has logical_block_size 512 and max_sectors 255. The
dm-integrity device uses logical_block_size 4096 and it doesn't affect the
"max_sectors" value - thus, it inherits 255 from the ramdisk. So, we have
a device with max_sectors not aligne...
b807c76a
Name Last commit Last update
..
partitions partitions/aix: fix usage of uninitialized lv_info and lvname structures
Kconfig block: Add T10 Protection Information functions
Kconfig.iosched blkcg: make CONFIG_BLK_CGROUP bool
Makefile block: Add T10 Protection Information functions
bio-integrity.c bio-integrity: Do not allocate integrity context for bio w/o data
bio.c block: do not leak memory in bio_copy_user_iov()
blk-cgroup.c block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg
blk-core.c blktrace: Fix potential deadlock between delete & sysfs ops
blk-exec.c block: move PM request support to IDE
blk-flush.c Revert "blk-flush: Queue through IO scheduler when flush not required"
blk-integrity.c block: fix blk_integrity_register to use template's interval_exp if not 0
blk-ioc.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd
blk-iopoll.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
blk-lib.c block: re-add discard_granularity and alignment checks
blk-map.c Don't feed anything but regular iovec's to blk_rq_map_user_iov
blk-merge.c block: don't use bio->bi_vcnt to figure out segment number
blk-mq-cpu.c blk-mq: add file comments and update copyright notices
blk-mq-cpumap.c blk-mq: avoid inserting requests before establishing new mapping
blk-mq-sysfs.c blk-mq: make sure that line break can be printed
blk-mq-tag.c blk-mq: Allow blocking queue tag iter callbacks
blk-mq-tag.h blk-mq: factor out a helper to iterate all tags for a request_queue
blk-mq.c blk-mq: Allow timeouts to run while queue is freezing
blk-mq.h blk-mq: mark __blk_mq_complete_request() static
blk-settings.c blk-settings: align max_sectors on "logical_block_size" boundary
blk-softirq.c block: fix regression with block enabled tagging
blk-sysfs.c
blk-tag.c
blk-throttle.c
blk-timeout.c
blk.h
bounce.c
bsg-lib.c
bsg.c
cfq-iosched.c
cmdline-parser.c
compat_ioctl.c
deadline-iosched.c
elevator.c
genhd.c
ioctl.c
ioprio.c
noop-iosched.c
partition-generic.c
scsi_ioctl.c
t10-pi.c