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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/drivers/md
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Hannes Reinecke bd5c40313a dm zoned: metadata version 2 
Implement handling for metadata version 2. The new metadata adds a
label and UUID for the device mapper device, and additional UUID for
the underlying block devices.

It also allows for an additional regular drive to be used for
emulating random access zones. The emulated zones will be placed
logically in front of the zones from the zoned block device, causing
the superblocks and metadata to be stored on that device.

The first zone of the original zoned device will be used to hold
another, tertiary copy of the metadata; this copy carries a generation
number of 0 and is never updated; it's just used for identification.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bob Liu <bob.liu@oracle.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
 		2020-05-20 17:09:43 -04:00
..
bcache for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
persistent-data dm persistent data: switch exit_ro_spine to return void 2020-05-15 10:29:35 -04:00
Kconfig dm mpath: add Historical Service Time Path Selector 2020-05-15 10:29:36 -04:00
Makefile dm mpath: add Historical Service Time Path Selector 2020-05-15 10:29:36 -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 block: switch bios to blk_status_t 2017-06-09 09:27:32 -06:00
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 dm bio record: save/restore bi_end_io and bi_integrity 2020-03-03 10:02:46 -05:00
dm-bufio.c dm bufio: implement discard 2020-05-15 10:29:35 -04:00
dm-builtin.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dm-cache-background-tracker.c dm cache background tracker: fix sparse warning 2018-04-30 15:40:40 -04:00
dm-cache-background-tracker.h
…
dm-cache-block-types.h
…
dm-cache-metadata.c dm cache metadata: Fix loading discard bitset 2019-04-18 16:18:25 -04:00
dm-cache-metadata.h
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dm-cache-policy-internal.h
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dm-cache-policy-smq.c dm: remove unnecessary unlikely() around WARN_ON_ONCE() 2018-10-16 14:34:59 -04:00
dm-cache-policy.c
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dm-cache-policy.h
…
dm-cache-target.c dm: bump version of core and various targets 2020-03-03 11:10:21 -05:00
dm-clone-metadata.c dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -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 clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -04:00
dm-core.h dm: disable DISCARD if the underlying storage no longer supports it 2019-04-04 15:33:59 -04:00
dm-crypt.c dm crypt: support using encrypted keys 2020-05-15 10:29:34 -04:00
dm-delay.c dm delay: fix a crash when invalid device is specified 2019-04-26 11:29:32 -04:00
dm-dust.c dm dust: change ret to r in dust_map_write 2020-01-07 11:43:36 -05:00
dm-ebs-target.c dm ebs: pass discards down to underlying device 2020-05-15 10:29:35 -04:00
dm-era-target.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dm-exception-store.c
…
dm-exception-store.h - Improve DM snapshot target's scalability by using finer grained 2019-05-16 15:55:48 -07:00
dm-flakey.c block: rework zone reporting 2019-11-12 19:12:07 -07:00
dm-historical-service-time.c dm mpath: add Historical Service Time Path Selector 2020-05-15 10:29:36 -04:00
dm-init.c docs: device-mapper: move it to the admin-guide 2019-07-15 11:03:01 -03:00
dm-integrity.c dm integrity: remove set but not used variables 2020-05-15 10:29:35 -04:00
dm-io.c dm: Use kzalloc for all structs with embedded biosets/mempools 2018-06-05 08:47:43 -06:00
dm-ioctl.c dm: introduce DM_GET_TARGET_VERSION 2019-09-16 10:18:01 -04:00
dm-kcopyd.c dm kcopyd: always complete failed jobs 2019-08-15 15:57:39 -04:00
dm-linear.c dm,dax: Add dax zero_page_range operation 2020-04-02 19:15:03 -07:00
dm-log-userspace-base.c dm: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
dm-log-userspace-transfer.c
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dm-log-userspace-transfer.h
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dm-log-writes.c dm,dax: Add dax zero_page_range operation 2020-04-02 19:15:03 -07:00
dm-log.c
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dm-mpath.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-mpath.h
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dm-path-selector.c
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dm-path-selector.h dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-queue-length.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-raid.c dm raid: table line rebuild status fixes 2020-01-07 11:43:37 -05:00
dm-raid1.c dm raid1: use struct_size() with kzalloc() 2019-08-26 11:05:32 -04:00
dm-region-hash.c - Error path bug fix for overflow tests (Dan) 2018-06-12 18:28:00 -07:00
dm-round-robin.c
…
dm-rq.c block: Delay default elevator initialization 2019-09-05 19:52:34 -06:00
dm-rq.h dm: remove unused _rq_tio_cache and _rq_cache 2019-03-05 14:48:50 -05:00
dm-service-time.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-snap-persistent.c block: fix an integer overflow in logical block size 2020-01-15 21:43:09 -07:00
dm-snap-transient.c
…
dm-snap.c dm snapshot: use true/false for bool variable 2020-01-07 12:07:17 -05:00
dm-stats.c dm stats: use struct_size() helper 2019-09-04 09:39:22 -04:00
dm-stats.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dm-stripe.c dm,dax: Add dax zero_page_range operation 2020-04-02 19:15:03 -07:00
dm-switch.c dm switch: use struct_size() in kzalloc() 2019-03-05 14:48:51 -05:00
dm-sysfs.c dm: remove legacy request-based IO path 2018-10-11 11:36:09 -04:00
dm-table.c block: don't handle bio based drivers in blk_revalidate_disk_zones 2019-12-03 08:51:25 -07:00
dm-target.c dm mpath: fix missing call of path selector type->end_io 2019-04-25 15:38:52 -04:00
dm-thin-metadata.c dm thin metadata: fix lockdep complaint 2020-02-27 12:00:53 -05:00
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 thin: change data device's flush_bio to be member of struct pool 2020-01-14 20:23:13 -05:00
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: Check for device sector overflow if CONFIG_LBDAF is not set 2018-12-18 09:02:26 -05:00
dm-verity-fec.c dm verity fec: fix hash block number in verity_fec_decode 2020-04-16 16:16:38 -04:00
dm-verity-fec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dm-verity-target.c dm: bump version of core and various targets 2020-03-03 11:10:21 -05:00
dm-verity-verify-sig.c dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-verity-verify-sig.h dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-verity.h dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -04:00
dm-writecache.c dm writecache: improve performance on DDR persistent memory (Optane) 2020-05-15 10:29:36 -04:00
dm-zero.c dm: don't return errnos from ->map 2017-06-09 09:27:32 -06:00
dm-zoned-metadata.c dm zoned: metadata version 2 2020-05-20 17:09:43 -04:00
dm-zoned-reclaim.c dm zoned: remove 'dev' argument from reclaim 2020-05-19 13:30:30 -04:00
dm-zoned-target.c dm zoned: metadata version 2 2020-05-20 17:09:43 -04:00
dm-zoned.h dm zoned: metadata version 2 2020-05-20 17:09:43 -04:00
dm.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm.h dm: make dm_table_find_target return NULL 2019-08-23 10:13:12 -04:00
md-bitmap.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-02-08 13:04:49 -08:00
md-bitmap.h md: Avoid namespace collision with bitmap API 2018-08-01 15:49:39 -07:00
md-cluster.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45 2019-05-24 17:27:12 +02:00
md-cluster.h md-cluster: introduce resync_info_get interface for sanity check 2018-10-18 09:36:35 -07:00
md-faulty.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 47 2019-05-24 17:27:13 +02:00
md-linear.c md: improve handling of bio with REQ_PREFLUSH in md_flush_request() 2019-10-24 15:22:40 -07:00
md-linear.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2017-11-14 16:07:26 -08:00
md-multipath.c md: improve handling of bio with REQ_PREFLUSH in md_flush_request() 2019-10-24 15:22:40 -07:00
md-multipath.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
md.c for-5.7/drivers-2020-03-29 2020-03-30 11:43:51 -07:00
md.h md: introduce a new struct for IO serialization 2020-01-13 11:44:10 -08:00
raid0.c block: fix an integer overflow in logical block size 2020-01-15 21:43:09 -07:00
raid0.h md/raid0: avoid RAID0 data corruption due to layout confusion. 2019-09-13 13:10:05 -07:00
raid1-10.c md: raid1-10: Unify r{1,10}bio_pool_free 2019-06-15 01:37:35 -06:00
raid1.c md/raid1: introduce wait_for_serialization 2020-01-13 11:44:10 -08:00
raid1.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00
raid5-cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
raid5-log.h raid5: set write hint for PPL 2019-03-12 10:15:18 -07:00
raid5-ppl.c treewide: Use sizeof_field() macro 2019-12-09 10:36:44 -08:00
raid5.c raid5: remove worker_cnt_per_group argument from alloc_thread_groups 2020-01-13 11:44:09 -08:00
raid5.h raid5: use bio_end_sector in r5_next_bio 2019-09-13 13:14:43 -07:00
raid10.c md/raid10: prevent access of uninitialized resync_pages offset 2019-11-11 16:47:39 -08:00
raid10.h md: convert to bioset_init()/mempool_init() 2018-05-30 15:33:32 -06:00