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linux-stable-mirror/drivers/md
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Mike Snitzer 965bc27251 dm: properly fix redundant bio-based IO accounting 
commit b879f915bc upstream.

Record the start_time for a bio but defer the starting block core's IO
accounting until after IO is submitted using bio_start_io_acct_time().

This approach avoids the need to mess around with any of the
individual IO stats in response to a bio_split() that follows bio
submission.

Reported-by: Bud Brown <bubrown@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Depends-on: e45c47d1f9 ("block: add bio_start_io_acct_time() to control start_time")
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/20220128155841.39644-4-snitzer@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-01 17:27:03 +01:00
..
bcache
bcache: Revert "bcache: use bvec_virt"
2021-11-18 19:17:17 +01:00
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
…
dm-bufio.c
…
dm-builtin.c
…
dm-cache-background-tracker.c
…
dm-cache-background-tracker.h
…
dm-cache-block-types.h
…
dm-cache-metadata.c
…
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 ima: measure data on table load
2021-08-10 13:32:40 -04:00
dm-crypt.c
dm crypt: use in_hardirq() instead of deprecated in_irq()
2021-08-20 16:25:07 -04:00
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: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
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-integrity.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-io-tracker.h
dm writecache: make writeback pause configurable
2021-06-28 16:30:13 -04:00
dm-io.c
…
dm-ioctl.c
dm ima: measure data on device rename
2021-08-10 13:34:23 -04:00
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: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
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: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
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: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-region-hash.c
…
dm-rq.c
dm rq: don't queue request to blk-mq during DM suspend
2021-10-12 13:54:10 -04:00
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.h
…
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: skip redundant verity_handle_err() on I/O errors
2021-10-12 13:54:09 -04:00
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.h
…
dm-writecache.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-zero.c
…
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.c
dm: properly fix redundant bio-based IO accounting
2022-02-01 17:27:03 +01:00
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
…
md-bitmap.c
md: Constify attribute_group structs
2021-06-14 22:32:07 -07:00
md-bitmap.h
…
md-cluster.c
…
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: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
md.h
md: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
raid0.c
md: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
raid0.h
…
raid1-10.c
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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
md: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
raid5.h
…
raid10.c
Merge tag 'for-5.15/drivers-2021-08-30' of git://git.kernel.dk/linux-block
2021-08-30 19:01:46 -07:00
raid10.h
md/raid10: enable io accounting
2021-06-14 22:32:07 -07:00