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f4aec6a097
linux/drivers/md
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Logan Gunthorpe f4aec6a097 md/raid5: Factor out helper from raid5_make_request() loop 
Factor out the inner loop of raid5_make_request() into it's own helper
called make_stripe_request().

The helper returns a number of statuses: SUCCESS, RETRY,
SCHEDULE_AND_RETRY and FAIL. This makes the code a bit easier to
understand and allows the SCHEDULE_AND_RETRY path to be made common.

A context structure is added to contain do_flush. It will be used
more in subsequent patches for state that needs to be kept
outside the loop.

No functional changes intended. This will be cleaned up further in
subsequent patches to untangle the gen_lock and do_prepare logic
further.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-08-02 17:14:42 -06:00
..
bcache md/bcache: Combine two prio_io() arguments 2022-07-14 12:14:31 -06:00
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 dm/core: Combine request operation type and flags 2022-07-14 12:14:31 -06:00
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: remove unnecessary variable in __dump_mapping 2022-05-09 15:40:10 -04:00
dm-cache-metadata.h dm cache: fix typo in 2 comment blocks 2022-07-07 11:49:37 -04:00
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 cache: fix typo in 2 comment blocks 2022-07-07 11:49:37 -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 block: remove QUEUE_FLAG_DISCARD 2022-04-17 19:49:59 -06:00
dm-core.h dm table: audit all dm_table_get_target() callers 2022-07-07 11:49:34 -04:00
dm-crypt.c dm crypt: make printing of the key constant-time 2022-05-09 12:34:03 -04:00
dm-delay.c dm: simplify basic targets 2022-05-05 17:31:35 -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/ebs: Change 'int rw' into 'enum req_op op' 2022-07-14 12:14:31 -06:00
dm-era-target.c dm era: commit metadata in postsuspend after worker stops 2022-06-21 13:35:01 -04:00
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/dm-flakey: Use the new blk_opf_t type 2022-07-14 12:14:31 -06:00
dm-ima.c dm table: audit all dm_table_get_target() callers 2022-07-07 11:49:34 -04:00
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/dm-integrity: Combine request operation and flags 2022-07-14 12:14:31 -06:00
dm-io-rewind.c dm: add two stage requeue mechanism 2022-07-07 11:49:32 -04:00
dm-io-tracker.h dm writecache: make writeback pause configurable 2021-06-28 16:30:13 -04:00
dm-io.c dm/core: Combine request operation type and flags 2022-07-14 12:14:31 -06:00
dm-ioctl.c dm table: remove dm_table_get_num_targets() wrapper 2022-07-07 11:49:33 -04:00
dm-kcopyd.c - Refactor DM core's mempool allocation so that it clearer by not 2022-08-02 14:21:25 -07:00
dm-linear.c libnvdimm for 5.19 2022-05-27 15:49:30 -07:00
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 libnvdimm for 5.19 2022-05-27 15:49:30 -07:00
dm-log.c dm mirror log: Use the new blk_opf_t type 2022-07-14 12:14:31 -06:00
dm-mpath.c dm mpath: provide high-resolution timer to HST for bio-based 2022-05-09 15:39:23 -04:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h dm mpath: provide high-resolution timer to HST for bio-based 2022-05-09 15:39:23 -04:00
dm-ps-historical-service-time.c dm mpath: provide high-resolution timer to HST for bio-based 2022-05-09 15:39:23 -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/core: Reduce the size of struct dm_io_request 2022-07-14 12:14:31 -06:00
dm-raid.c md: unlock mddev before reap sync_thread in action_store 2022-08-02 17:14:40 -06:00
dm-region-hash.c
dm-rq.c dm: unexport dm_get_reserved_rq_based_ios 2022-06-29 12:46:05 -04:00
dm-rq.h
dm-snap-persistent.c dm-snap: Combine request operation type and flags 2022-07-14 12:14:31 -06:00
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 snapshot: fix typo in snapshot_map() comment 2022-07-07 11:49:39 -04:00
dm-stats.c dm stats: add cond_resched when looping over entries 2022-05-09 12:11:07 -04:00
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: add .recovery_write dax_operation 2022-05-16 13:37:59 -07:00
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 - Refactor DM core's mempool allocation so that it clearer by not 2022-08-02 14:21:25 -07:00
dm-target.c dax: introduce DAX_RECOVERY_WRITE dax access mode 2022-05-16 13:35:56 -07:00
dm-thin-metadata.c dm thin: fix use-after-free crash in dm_sm_register_threshold_callback 2022-07-15 18:09:14 -04:00
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 thin: fix use-after-free crash in dm_sm_register_threshold_callback 2022-07-15 18:09:14 -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: fix checkpatch close brace error 2022-07-07 11:49:36 -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: 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 - Refactor DM core's mempool allocation so that it clearer by not 2022-08-02 14:21:25 -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 - Refactor DM core's mempool allocation so that it clearer by not 2022-08-02 14:21:25 -07:00
dm-zoned-metadata.c dm/dm-zoned: Use the enum req_op type 2022-07-14 12:14:31 -06:00
dm-zoned-reclaim.c dm kcopyd: avoid useless atomic operations 2021-06-04 12:07:24 -04:00
dm-zoned-target.c dm-zoned: cleanup dmz_fixup_devices 2022-07-06 06:46:26 -06:00
dm-zoned.h dm/dm-zoned: Use the enum req_op type 2022-07-14 12:14:31 -06:00
dm.c - Refactor DM core's mempool allocation so that it clearer by not 2022-08-02 14:21:25 -07:00
dm.h dm table: audit all dm_table_get_target() callers 2022-07-07 11:49:34 -04:00
Kconfig blk-mq: make the blk-mq stacking code optional 2022-02-16 19:39:09 -07:00
Makefile dm: add dm_bio_rewind() API to DM core 2022-07-07 11:26:55 -04:00
md-autodetect.c md: Explicitly create command-line configured devices 2022-08-02 17:14:40 -06:00
md-bitmap.c fs/buffer: Combine two submit_bh() and ll_rw_block() arguments 2022-07-14 12:14:32 -06:00
md-bitmap.h
md-cluster.c md: replace deprecated strlcpy & remove duplicated line 2022-04-25 14:00:36 -07:00
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: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
md-linear.h
md-multipath.c md: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
md-multipath.h
md.c md: unlock mddev before reap sync_thread in action_store 2022-08-02 17:14:40 -06:00
md.h md: Explicitly create command-line configured devices 2022-08-02 17:14:40 -06:00
raid0.c md: Don't set mddev private to NULL in raid0 pers->free 2022-05-22 23:07:21 -07:00
raid0.h
raid1-10.c md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00
raid1.c md/raid1: Use the new blk_opf_t type 2022-07-14 12:14:31 -06:00
raid1.h md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00
raid5-cache.c md/raid5-cache: Annotate pslot with __rcu notation 2022-08-02 17:14:32 -06:00
raid5-log.h md/raid5-ppl: Drop unused argument from ppl_handle_flush_request() 2022-08-02 17:14:31 -06:00
raid5-ppl.c md/raid5-ppl: Drop unused argument from ppl_handle_flush_request() 2022-08-02 17:14:31 -06:00
raid5.c md/raid5: Factor out helper from raid5_make_request() loop 2022-08-02 17:14:42 -06:00
raid5.h md/raid5: Add __rcu annotation to struct disk_info 2022-04-25 14:00:36 -07:00
raid10.c md/raid10: Use the new blk_opf_t type 2022-07-14 12:14:32 -06:00
raid10.h md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00