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b7f8dff098
linux/drivers/md
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Mike Snitzer b7f8dff098 dm: simplify dm_sumbit_bio_remap interface 
Remove the from_wq argument from dm_sumbit_bio_remap(). Eliminates the
need for dm_sumbit_bio_remap() callers to know whether they are
calling for a workqueue or from the original dm_submit_bio().

Add map_task to dm_io struct, record the map_task in alloc_io and
clear it after all target ->map() calls have completed. Update
dm_sumbit_bio_remap to check if 'current' matches io->map_task rather
than rely on passed 'from_rq' argument.

This change really simplifies the chore of porting each DM target to
using dm_sumbit_bio_remap() because there is no longer the risk of
programming error by not completely knowing all the different contexts
a particular method that calls dm_sumbit_bio_remap() might be used in.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2022-03-10 13:44:56 -05:00
..
bcache block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -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 smq: make static read-only array table const 2022-02-22 10:35:53 -05:00
dm-cache-policy.c
dm-cache-policy.h
dm-cache-target.c dm: stop using bdevname 2022-03-02 12:15:54 -05:00
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: stop using bdevname 2022-03-02 12:15:54 -05:00
dm-core.h dm: simplify dm_sumbit_bio_remap interface 2022-03-10 13:44:56 -05:00
dm-crypt.c dm: simplify dm_sumbit_bio_remap interface 2022-03-10 13:44:56 -05:00
dm-delay.c dm: simplify dm_sumbit_bio_remap interface 2022-03-10 13:44:56 -05:00
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 dm ima: fix wrong length calculation for no_data string 2022-02-22 10:42:41 -05:00
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 dm io: remove stale comment block for dm_io() 2022-02-22 13:55:51 -05:00
dm-ioctl.c dm ioctl: prevent potential spectre v1 gadget 2022-02-22 11:04:41 -05:00
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 block: pass a block_device and opf to bio_alloc 2022-02-02 07:49:59 -07:00
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 dm mpath: use DMINFO instead of printk with KERN_INFO 2022-03-02 12:20:22 -05:00
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 dm: requeue IO if mapping table not yet available 2022-02-22 13:55:52 -05:00
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-snap: use blkdev_issue_flush instead of open coding it 2022-02-02 07:49:59 -07:00
dm-stats.c dm stats: fix too short end duration_ns when using precise_timestamps 2022-02-21 15:35:39 -05:00
dm-stats.h dm stats: fix too short end duration_ns when using precise_timestamps 2022-02-21 15:35:39 -05:00
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 dm: support bio polling 2022-03-09 12:21:56 -05:00
dm-target.c
dm-thin-metadata.c dm thin metadata: remove unused dm_thin_remove_block and __remove 2022-02-22 13:55:50 -05:00
dm-thin-metadata.h dm thin metadata: remove unused dm_thin_remove_block and __remove 2022-02-22 13:55:50 -05:00
dm-thin.c dm: simplify dm_sumbit_bio_remap interface 2022-03-10 13:44:56 -05:00
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 verity: add "panic_on_corruption" error handling mode 2020-07-13 11:47:33 -04:00
dm-writecache.c block: pass a block_device and opf to bio_alloc_bioset 2022-02-02 07:49:59 -07:00
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: remove the ->name field in struct dmz_dev 2022-03-02 12:15:35 -05:00
dm-zoned-reclaim.c dm kcopyd: avoid useless atomic operations 2021-06-04 12:07:24 -04:00
dm-zoned-target.c dm-zoned: remove the ->name field in struct dmz_dev 2022-03-02 12:15:35 -05:00
dm-zoned.h dm-zoned: remove the ->name field in struct dmz_dev 2022-03-02 12:15:35 -05:00
dm.c dm: simplify dm_sumbit_bio_remap interface 2022-03-10 13:44:56 -05:00
dm.h dax: remove dax_capable 2021-12-04 08:58:51 -08:00
Kconfig blk-mq: make the blk-mq stacking code optional 2022-02-16 19:39:09 -07:00
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 block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -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 block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -07:00
md-multipath.h
md.c block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -07:00
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 block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -07:00
raid1.h md/raid1: enable io accounting 2021-06-14 22:32:07 -07:00
raid5-cache.c block: pass a block_device and opf to bio_reset 2022-02-02 07:50:00 -07:00
raid5-log.h
raid5-ppl.c block: pass a block_device and opf to bio_init 2022-02-02 07:49:59 -07:00
raid5.c block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -07:00
raid5.h md/raid5: play nice with PREEMPT_RT 2022-01-06 08:37:02 -08:00
raid10.c block: pass a block_device to bio_clone_fast 2022-02-04 07:43:18 -07:00
raid10.h md/raid10: enable io accounting 2021-06-14 22:32:07 -07:00