Ming Lei 1adfc5e413 block: make sure discard bio is aligned with logical block size ...

Obviously the created discard bio has to be aligned with logical block size.

This patch introduces the helper of bio_allowed_max_sectors() for
this purpose.

Cc: stable@vger.kernel.org
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Xiao Ni <xni@redhat.com>
Cc: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Fixes: 744889b7cb ("block: don't deal with discard limit in blkdev_issue_discard()")
Fixes: a22c4d7e34 ("block: re-add discard_granularity and alignment checks")
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2018-11-09 06:23:14 -07:00

..

partitions

partitions/aix: append null character to print data from disk

2018-07-27 09:17:41 -06:00

badblocks.c

badblocks: fix wrong return value in badblocks_set if badblocks are disabled

2017-11-03 11:29:50 -07:00

bfq-cgroup.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

bfq-iosched.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

bfq-iosched.h

block, bfq: improve asymmetric scenarios detection

2018-10-13 15:40:00 -06:00

bfq-wf2q.c

block, bfq: fix asymmetric scenarios detection

2018-10-25 11:17:40 -06:00

bio-integrity.c

block: remove bio_rewind_iter()

2018-09-06 15:12:24 -06:00

bio.c

block: Clear kernel memory before copying to user

2018-11-07 15:41:31 -07:00

blk-cgroup.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

blk-core.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

blk-exec.c

blk-mq-sched: remove unused 'can_block' arg from blk_mq_sched_insert_request

2018-01-17 09:49:21 -07:00

blk-flush.c

blk-mq: change gfp flags to GFP_NOIO in blk_mq_realloc_hw_ctxs

2018-10-13 15:42:01 -06:00

blk-integrity.c

block: merge BIOVEC_SEG_BOUNDARY into biovec_phys_mergeable

2018-09-24 12:33:57 -06:00

blk-ioc.c

block, mm: remove unnecessary __GFP_HIGH flag

2018-07-09 09:07:54 -06:00

blk-iolatency.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

blk-lib.c

block: make sure discard bio is aligned with logical block size

2018-11-09 06:23:14 -07:00

blk-map.c

Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block

2018-01-29 11:51:49 -08:00

blk-merge.c

block: make sure discard bio is aligned with logical block size

2018-11-09 06:23:14 -07:00

blk-mq-cpumap.c

blk-mq: don't keep offline CPUs mapped to hctx 0

2018-04-10 08:38:46 -06:00

blk-mq-debugfs-zoned.c

block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n

2018-07-09 09:07:52 -06:00

blk-mq-debugfs.c

block: add a report_zones method

2018-10-25 11:17:40 -06:00

blk-mq-debugfs.h

block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n

2018-07-09 09:07:52 -06:00

blk-mq-pci.c

blk-mq: code clean-up by adding an API to clear set->mq_map

2018-07-09 09:07:53 -06:00

blk-mq-rdma.c

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

blk-mq-sched.c

blk-mq: init hctx sched after update ctx and hctx mapping

2018-08-21 09:02:55 -06:00

blk-mq-sched.h

block: move call of scheduler's ->completed_request() hook

2018-09-27 17:34:52 -06:00

blk-mq-sysfs.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

blk-mq-tag.c

Merge tag 'v4.19-rc6' into for-4.20/block

2018-10-01 08:58:57 -06:00

blk-mq-tag.h

Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block

2017-11-14 15:32:19 -08:00

blk-mq-virtio.c

blk-mq: provide a default queue mapping for virtio device

2017-02-27 20:54:05 +02:00

blk-mq.c

blk-mq: place trace_block_getrq() in correct place

2018-10-25 11:17:40 -06:00

blk-mq.h

blk-mq: issue directly if hw queue isn't busy in case of 'none'

2018-07-17 16:04:00 -06:00

blk-pm.c

blk-mq: Enable support for runtime power management

2018-09-26 15:11:29 -06:00

blk-pm.h

block: Split blk_pm_add_request() and blk_pm_put_request()

2018-09-26 15:11:28 -06:00

blk-rq-qos.c

blk-rq-qos: make depth comparisons unsigned

2018-07-22 11:30:53 -06:00

blk-rq-qos.h

blk-rq-qos: make depth comparisons unsigned

2018-07-22 11:30:53 -06:00

blk-settings.c

block: allow max_discard_segments to be stacked

2018-07-24 14:46:39 -06:00

blk-softirq.c

blk-mq: complete req in softirq context in case of single queue

2018-10-08 10:50:43 -06:00

blk-stat.c

block: export blk_stat_enable_accounting()

2018-09-27 17:34:54 -06:00

blk-stat.h

blk-stat: export helpers for modifying blk_rq_stat

2018-07-09 09:07:54 -06:00

blk-sysfs.c

block: call rq_qos_exit() after queue is frozen

2018-10-31 08:40:36 -06:00

blk-tag.c

Merge tag 'for-linus-20180616' of git://git.kernel.dk/linux-block

2018-06-17 05:37:55 +09:00

blk-throttle.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

blk-timeout.c

blk-mq: Fix timeout handling in case the timeout handler returns BLK_EH_DONE

2018-06-23 10:25:45 -06:00

blk-wbt.c

blk-wbt: wake up all when we scale up, not down

2018-10-11 13:31:28 -06:00

blk-wbt.h

block: remove external dependency on wbt_flags

2018-07-09 09:07:54 -06:00

blk-zoned.c

block: Introduce blk_revalidate_disk_zones()

2018-10-25 11:17:40 -06:00

blk.h

block: make sure discard bio is aligned with logical block size

2018-11-09 06:23:14 -07:00

bounce.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

bsg-lib.c

block/bsg-lib: use PTR_ERR_OR_ZERO to simplify the flow path

2018-08-01 09:13:03 -06:00

bsg.c

block: bsg: move atomic_t ref_count variable to refcount API

2018-08-27 19:17:02 -06:00

cfq-iosched.c

blkcg: revert blkcg cleanups series

2018-11-01 19:59:53 -06:00

cmdline-parser.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

compat_ioctl.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

deadline-iosched.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

elevator.c

Merge tag 'v4.19-rc6' into for-4.20/block

2018-10-01 08:58:57 -06:00

genhd.c

Merge tag 'v4.19-rc6' into for-4.20/block

2018-10-01 08:58:57 -06:00

ioctl.c

block: Introduce BLKGETNRZONES ioctl

2018-10-25 11:17:40 -06:00

ioprio.c

block: add ioprio_check_cap function

2018-05-31 10:50:54 -04:00

Kconfig

block: remove redundant 'default n' from Kconfig-s

2018-10-10 14:11:07 -06:00

Kconfig.iosched

block: remove redundant 'default n' from Kconfig-s

2018-10-10 14:11:07 -06:00

kyber-iosched.c

kyber: fix integer overflow of latency targets on 32-bit

2018-09-28 10:49:39 -06:00

Makefile

block: Move power management code into a new source file

2018-09-26 15:11:28 -06:00

mq-deadline.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

noop-iosched.c

block: move existing elevator ops to union

2017-01-17 10:03:33 -07:00

opal_proto.h

block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled

2017-09-11 09:45:52 -06:00

partition-generic.c

block: use nanosecond resolution for iostat

2018-09-21 20:26:59 -06:00

scsi_ioctl.c

block: consistently use GFP_NOIO instead of __GFP_NORECLAIM

2018-05-14 08:55:18 -06:00

sed-opal.c

block: sed-opal: Fix a couple off by one bugs

2018-06-20 12:04:06 -06:00

t10-pi.c

block: move dif_prepare/dif_complete functions to block layer

2018-07-30 08:27:02 -06:00