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: 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>		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
dm-bio-prison-v2.c
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-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-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-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.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
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	- 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-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.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-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
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