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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 <bubrown@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Depends-on: e45c47d1f94e ("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>
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: replace spin_lock_irqsave with spin_lock_irq
2019-11-05 14:53:03 -05:00
dm-bio-prison-v1.h
…
dm-bio-prison-v2.c
dm bio prison v2: use true/false for bool variable
2020-01-07 12:07:08 -05:00
dm-bio-prison-v2.h
…
dm-bio-record.h
block: move integrity handling out of <linux/blkdev.h>
2021-10-18 06:17:02 -06:00
dm-bufio.c
- Add DM core support for emitting audit events through the audit
2021-11-09 11:02:04 -08:00
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_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: remove unused function
2021-04-19 13:20:31 -04:00
dm-clone-metadata.h
dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions()
2020-03-27 14:42:51 -04:00
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
- Add DM core support for emitting audit events through the audit
2021-11-09 11:02:04 -08:00
dm-delay.c
dm: update target status functions to support IMA measurement
2021-08-10 13:34:23 -04:00
dm-dust.c
dm: 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
…
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
dm init: Set file local variable static
2020-08-04 15:51:28 -04:00
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
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 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
dax: remove the copy_from_iter and copy_to_iter methods
2021-12-18 08:04:53 -08:00
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
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
…
dm-path-selector.c
…
dm-path-selector.h
dm mpath: pass IO start time to path selector
2020-05-15 10:29:36 -04:00
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
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: 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
…
dm-rq.c
block: remove the unused rq_end_sector macro
2021-10-18 06:17:01 -06:00
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: replace zero-length array with flexible-array
2020-05-20 17:09:44 -04:00
dm-stats.h
…
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
…
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
dm thin metadata: Add support for a pre-commit callback
2019-12-05 17:05:24 -05:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
dm-uevent.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
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
- Add DM core support for emitting audit events through the audit
2021-11-09 11:02:04 -08:00
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: make the DAX support depend on CONFIG_FS_DAX
2021-12-04 08:58:50 -08:00
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
- Add DM core support for emitting audit events through the audit
2021-11-09 11:02:04 -08:00
dm-zoned.h
dm zoned: select reclaim zone based on device index
2020-06-05 14:59:53 -04:00
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
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
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
…
md-cluster.c
md: fix spelling of "its"
2022-01-06 08:37:03 -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/raid1: Replace zero-length array with flexible-array
2020-05-13 12:02:23 -07:00
md-multipath.c
md: mark some personalities as deprecated
2021-06-14 22:32:07 -07:00
md-multipath.h
…
md.c
for-5.17/drivers-2022-01-11
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
md/raid0: avoid RAID0 data corruption due to layout confusion.
2019-09-13 13:10:05 -07:00
raid1-10.c
md: drop queue limitation for RAID1 and RAID10
2022-01-06 08:37:02 -08:00
raid1.c
for-5.17/drivers-2022-01-11
2022-01-12 10:35:23 -08:00
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
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
md/raid10: enable io accounting
2021-06-14 22:32:07 -07:00