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3a2500b73a1792671ad00f332d0fc56730a301c1
linux/drivers/md
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Mikulas Patocka 3a2500b73a dm writecache: count number of blocks read, not number of read bios 
[ Upstream commit 2c6e755b49 ]

Change dm-writecache, so that it counts the number of blocks read
instead of the number of read bios. Bios can be split and requeued
using the dm_accept_partial_bio function, so counting bios caused
inaccurate results.

Fixes: e3a35d0340 ("dm writecache: add event counters")
Reported-by: Yu Kuai <yukuai1@huaweicloud.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 14:23:13 +02:00
..
bcache
bcache: memset on stack variables in bch_btree_check() and bch_sectors_dirty_init()
2022-07-02 16:41:12 +02:00
persistent-data
dm space map common: add bounds check to sm_ll_lookup_bitmap()
2022-01-27 11:04:53 +01:00
dm-bio-prison-v1.c
…
dm-bio-prison-v1.h
…
dm-bio-prison-v2.c
…
dm-bio-prison-v2.h
…
dm-bio-record.h
block: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
dm-bufio.c
dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
2021-03-04 14:53:54 -05:00
dm-builtin.c
…
dm-cache-background-tracker.c
…
dm-cache-background-tracker.h
…
dm-cache-block-types.h
…
dm-cache-metadata.c
dm: use bdev_read_only to check if a device is read-only
2021-01-24 18:15:57 -07:00
dm-cache-metadata.h
…
dm-cache-policy-internal.h
…
dm-cache-policy-smq.c
…
dm-cache-policy.c
…
dm-cache-policy.h
…
dm-cache-target.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-clone-metadata.c
dm clone metadata: remove unused function
2021-04-19 13:20:31 -04:00
dm-clone-metadata.h
…
dm-clone-target.c
dm clone: make array 'descs' static
2021-10-12 13:54:10 -04:00
dm-core.h
dm: interlock pending dm_io and dm_wait_for_bios_completion
2022-04-08 14:22:57 +02:00
dm-crypt.c
dm crypt: make printing of the key constant-time
2022-06-06 08:43:40 +02:00
dm-delay.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-dust.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-ebs-target.c
Merge tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-08-31 14:55:09 -07:00
dm-era-target.c
dm era: commit metadata in postsuspend after worker stops
2022-06-29 09:03:20 +02:00
dm-exception-store.c
…
dm-exception-store.h
…
dm-flakey.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-ima.c
Merge tag 'integrity-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2021-09-02 12:51:41 -07:00
dm-ima.h
dm ima: add version info to dm related events in ima log
2021-08-20 15:59:47 -04:00
dm-init.c
dm init: Set file local variable static
2020-08-04 15:51:28 -04:00
dm-integrity.c
dm integrity: fix error code in dm_integrity_ctr()
2022-06-06 08:43:40 +02:00
dm-io-tracker.h
dm writecache: make writeback pause configurable
2021-06-28 16:30:13 -04:00
dm-io.c
block: Add bio_max_segs
2021-02-26 15:49:51 -07:00
dm-ioctl.c
dm ioctl: prevent potential spectre v1 gadget
2022-04-13 20:59:05 +02:00
dm-kcopyd.c
dm writecache: have ssd writeback wait if the kcopyd workqueue is busy
2021-06-15 15:42:03 -04:00
dm-linear.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-log-userspace-base.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-log-userspace-transfer.c
…
dm-log-userspace-transfer.h
…
dm-log-writes.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-log.c
dm mirror log: clear log bits up to BITS_PER_LONG boundary
2022-06-29 09:03:20 +02:00
dm-mpath.c
dm ima: update dm target attributes for ima measurements
2021-08-20 16:07:36 -04:00
dm-mpath.h
…
dm-path-selector.c
…
dm-path-selector.h
…
dm-ps-historical-service-time.c
dm mpath: only use ktime_get_ns() in historical selector
2022-04-20 09:34:13 +02:00
dm-ps-io-affinity.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-ps-queue-length.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-ps-round-robin.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-ps-service-time.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-raid1.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-raid.c
dm raid: fix accesses beyond end of raid member array
2022-07-07 17:53:24 +02:00
dm-region-hash.c
…
dm-rq.c
dm: requeue IO if mapping table not yet available
2022-04-13 20:59:06 +02:00
dm-rq.h
…
dm-snap-persistent.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-snap-transient.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-snap.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-stats.c
dm stats: add cond_resched when looping over entries
2022-06-06 08:43:40 +02:00
dm-stats.h
dm: fix double accounting of flush with data
2022-04-08 14:22:57 +02:00
dm-stripe.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-switch.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-sysfs.c
…
dm-table.c
Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2021-09-09 11:39:57 -07:00
dm-target.c
…
dm-thin-metadata.c
dm space maps: improve performance with inc/dec on ranges of blocks
2021-06-04 12:07:22 -04:00
dm-thin-metadata.h
…
dm-thin.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-uevent.c
…
dm-uevent.h
…
dm-unstripe.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-verity-fec.c
dm verity fec: fix misaligned RS roots IO
2021-04-14 14:28:29 -04:00
dm-verity-fec.h
dm verity fec: fix misaligned RS roots IO
2021-04-14 14:28:29 -04:00
dm-verity-target.c
dm verity: set DM_TARGET_IMMUTABLE feature flag
2022-06-06 08:43:40 +02:00
dm-verity-verify-sig.c
dm verity: fix require_signatures module_param permissions
2021-05-25 16:14:05 -04:00
dm-verity-verify-sig.h
dm verity: Fix compilation warning
2020-08-04 15:48:13 -04:00
dm-verity.h
dm verity: add "panic_on_corruption" error handling mode
2020-07-13 11:47:33 -04:00
dm-writecache.c
dm writecache: count number of blocks read, not number of read bios
2022-08-17 14:23:13 +02:00
dm-zero.c
dm: add support for REQ_NOWAIT to various targets
2020-12-04 18:04:35 -05:00
dm-zone.c
dm zone: fix dm_revalidate_zones() memory allocation
2021-06-25 15:25:23 -04:00
dm-zoned-metadata.c
dm zoned: check zone capacity
2021-06-04 12:07:28 -04:00
dm-zoned-reclaim.c
dm kcopyd: avoid useless atomic operations
2021-06-04 12:07:24 -04:00
dm-zoned-target.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-zoned.h
dm zoned: select reclaim zone based on device index
2020-06-05 14:59:53 -04:00
dm.c
dm: requeue IO if mapping table not yet available
2022-04-13 20:59:06 +02:00
dm.h
dm: introduce zone append emulation
2021-06-04 12:07:37 -04:00
Kconfig
dm: make EBS depend on !HIGHMEM
2021-08-16 10:50:32 -06:00
Makefile
dm ima: measure data on table load
2021-08-10 13:32:40 -04:00
md-autodetect.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
md-bitmap.c
md/bitmap: don't set sb values if can't pass sanity check
2022-06-09 10:22:33 +02:00
md-bitmap.h
…
md-cluster.c
Merge tag 'for-5.11/drivers-2020-12-14' of git://git.kernel.dk/linux-block
2020-12-16 13:09:32 -08:00
md-cluster.h
…
md-faulty.c
md: mark some personalities as deprecated
2021-06-14 22:32:07 -07:00
md-linear.c
md: mark some personalities as deprecated
2021-06-14 22:32:07 -07:00
md-linear.h
…
md-multipath.c
md: mark some personalities as deprecated
2021-06-14 22:32:07 -07:00
md-multipath.h
…
md.c
md-raid: destroy the bitmap after destroying the thread
2022-08-17 14:22:56 +02:00
md.h
md: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
raid0.c
md/raid0: Ignore RAID0 layout if the second zone has only one device
2022-06-14 18:36:28 +02:00
raid0.h
…
raid1-10.c
…
raid1.c
md/raid1: fix missing bitmap update w/o WriteMostly devices
2022-01-11 15:35:15 +01:00
raid1.h
md/raid1: enable io accounting
2021-06-14 22:32:07 -07:00
raid5-cache.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
raid5-log.h
…
raid5-ppl.c
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
raid5.c
dm raid: fix KASAN warning in raid5_add_disks
2022-07-07 17:53:24 +02:00
raid5.h
md/raid5: let multiple devices of stripe_head share page
2020-09-24 16:44:44 -07:00
raid10.c
md-raid10: fix KASAN warning
2022-08-17 14:22:57 +02:00
raid10.h
md/raid10: enable io accounting
2021-06-14 22:32:07 -07:00