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cb80ddc67152e72f28ff6ea8517acdf875d7381d
erofs-linux/drivers/md
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Mike Snitzer b879f915bc dm: properly fix redundant bio-based IO accounting 
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 <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: [email protected]
Depends-on: e45c47d1f9 ("block: add bio_start_io_acct_time() to control start_time")
Signed-off-by: Mike Snitzer <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
2022-01-28 12:28:15 -07:00
..
bcache
bcache: fix NULL pointer reference in cached_dev_detach_finish
2021-12-14 20:32:54 -07:00
persistent-data
dm space map common: add bounds check to sm_ll_lookup_bitmap()
2022-01-04 13:58:19 -05:00
dm-audit.c
dm: introduce audit event module for device mapper
2021-10-27 16:53:47 -04:00
dm-audit.h
dm: introduce audit event module for device mapper
2021-10-27 16:53:47 -04:00
dm-bio-prison-v1.c
…
dm-bio-prison-v1.h
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dm-bio-prison-v2.c
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dm-bio-prison-v2.h
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dm-bio-record.h
block: move integrity handling out of <linux/blkdev.h>
2021-10-18 06:17:02 -06:00
dm-bufio.c
Merge tag 'for-5.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-11-09 11:02:04 -08:00
dm-builtin.c
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dm-cache-background-tracker.c
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dm-cache-background-tracker.h
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dm-cache-block-types.h
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dm-cache-metadata.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
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: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-clone-metadata.c
…
dm-clone-metadata.h
…
dm-clone-target.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-core.h
blk-crypto: rename blk_keyslot_manager to blk_crypto_profile
2021-10-21 10:49:32 -06:00
dm-crypt.c
Merge tag 'for-5.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-11-09 11:02:04 -08:00
dm-delay.c
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dm-dust.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-ebs-target.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-era-target.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-exception-store.c
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dm-exception-store.h
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-flakey.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-ima.c
mm: don't include <linux/blk-cgroup.h> in <linux/backing-dev.h>
2021-10-18 06:17:01 -06:00
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
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dm-integrity.c
dm integrity: Use struct_group() to zero struct journal_sector
2022-01-06 09:48:33 -05:00
dm-io-tracker.h
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dm-io.c
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dm-ioctl.c
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dm-kcopyd.c
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dm-linear.c
dax: remove the copy_from_iter and copy_to_iter methods
2021-12-18 08:04:53 -08:00
dm-log-userspace-base.c
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dm-log-userspace-transfer.c
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dm-log-userspace-transfer.h
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dm-log-writes.c
dax: remove the copy_from_iter and copy_to_iter methods
2021-12-18 08:04:53 -08:00
dm-log.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-mpath.c
block: remove the ->rq_disk field in struct request
2021-11-29 06:41:29 -07:00
dm-mpath.h
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dm-path-selector.c
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dm-path-selector.h
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dm-ps-historical-service-time.c
block: drop unused includes in <linux/blkdev.h>
2021-10-18 06:17:01 -06:00
dm-ps-io-affinity.c
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dm-ps-queue-length.c
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dm-ps-round-robin.c
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dm-ps-service-time.c
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dm-raid1.c
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dm-raid.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-region-hash.c
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dm-rq.c
block: remove the unused rq_end_sector macro
2021-10-18 06:17:01 -06:00
dm-rq.h
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dm-snap-persistent.c
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dm-snap-transient.c
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dm-snap.c
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dm-stats.c
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dm-stats.h
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dm-stripe.c
dax: remove the copy_from_iter and copy_to_iter methods
2021-12-18 08:04:53 -08:00
dm-switch.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-sysfs.c
dm sysfs: use default_groups in kobj_type
2022-01-06 09:48:55 -05:00
dm-table.c
dax: remove dax_capable
2021-12-04 08:58:51 -08:00
dm-target.c
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dm-thin-metadata.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-thin-metadata.h
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dm-thin.c
dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them
2021-10-18 14:43:22 -06:00
dm-uevent.c
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dm-uevent.h
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dm-unstripe.c
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dm-verity-fec.c
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dm-verity-fec.h
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dm-verity-target.c
Merge tag 'for-5.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-11-09 11:02:04 -08:00
dm-verity-verify-sig.c
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dm-verity-verify-sig.h
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dm-verity.h
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dm-writecache.c
dm: make the DAX support depend on CONFIG_FS_DAX
2021-12-04 08:58:50 -08:00
dm-zero.c
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dm-zone.c
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dm-zoned-metadata.c
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dm-zoned-reclaim.c
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dm-zoned-target.c
Merge tag 'for-5.16/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-11-09 11:02:04 -08:00
dm-zoned.h
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dm.c
dm: properly fix redundant bio-based IO accounting
2022-01-28 12:28:15 -07:00
dm.h
dax: remove dax_capable
2021-12-04 08:58:51 -08:00
Kconfig
dm integrity: log audit events for dm-integrity target
2021-10-27 16:54:36 -04:00
Makefile
dm: introduce audit event module for device mapper
2021-10-27 16:53:47 -04:00
md-autodetect.c
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md-bitmap.c
md/bitmap: don't set max_write_behind if there is no write mostly device
2021-11-02 11:41:44 -07:00
md-bitmap.h
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md-cluster.c
md: fix spelling of "its"
2022-01-06 08:37:03 -08:00
md-cluster.h
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md-faulty.c
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md-linear.c
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md-linear.h
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md-multipath.c
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md-multipath.h
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md.c
Merge tag 'for-5.17/drivers-2022-01-11' of git://git.kernel.dk/linux-block
2022-01-12 10:35:23 -08:00
md.h
md: Move alloc/free acct bioset in to personality
2022-01-06 08:37:03 -08:00
raid0.c
md: Move alloc/free acct bioset in to personality
2022-01-06 08:37:03 -08:00
raid0.h
…
raid1-10.c
md: drop queue limitation for RAID1 and RAID10
2022-01-06 08:37:02 -08:00
raid1.c
Merge tag 'for-5.17/drivers-2022-01-11' of git://git.kernel.dk/linux-block
2022-01-12 10:35:23 -08:00
raid1.h
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raid5-cache.c
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raid5-log.h
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raid5-ppl.c
raid5-ppl: use swap() to make code cleaner
2021-11-02 11:41:45 -07:00
raid5.c
md: Move alloc/free acct bioset in to personality
2022-01-06 08:37:03 -08:00
raid5.h
md/raid5: play nice with PREEMPT_RT
2022-01-06 08:37:02 -08:00
raid10.c
md: raid10 add nowait support
2022-01-06 08:37:02 -08:00
raid10.h
…