Coly Li 5342fd4255 bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET ... If BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET is set in incompat feature set, it means the cache device is created with obsoleted layout with obso_bucket_site_hi. Now bcache does not support this feature bit, a new BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE incompat feature bit is added for a better layout to support large bucket size. For the legacy compatibility purpose, if a cache device created with obsoleted BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit, all bcache devices attached to this cache set should be set to read-only. Then the dirty data can be written back to backing device before re-create the cache device with BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE feature bit by the latest bcache-tools. This patch checks BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit when running a cache set and attach a bcache device to the cache set. If this bit is set, - When run a cache set, print an error kernel message to indicate all following attached bcache device will be read-only. - When attach a bcache device, print an error kernel message to indicate the attached bcache device will be read-only, and ask users to update to latest bcache-tools. Such change is only for cache device whose bucket size >= 32MB, this is for the zoned SSD and almost nobody uses such large bucket size at this moment. If you don't explicit set a large bucket size for a zoned SSD, such change is totally transparent to your bcache device. Fixes: ffa4703275 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket") Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2021-01-09 09:21:03 -07:00
..
bcache	bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET	2021-01-09 09:21:03 -07:00
persistent-data	dm thin metadata: Remove unused local variable when create thin and snap	2020-09-29 16:33:11 -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	dm bio record: save/restore bi_end_io and bi_integrity	2020-03-03 10:02:46 -05:00
dm-bufio.c	dm bufio: do buffer cleanup from a workqueue	2020-07-20 11:17:43 -04:00
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: Avoid returning cmd->bm wild pointer on error	2020-09-02 13:38:24 -04:00
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 cache: simplify the return expression of load_mapping()	2020-12-22 09:54:48 -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	writeback: remove bdi->congested_fn	2020-07-08 17:20:46 -06:00
dm-core.h	dm: remove the block_device reference in struct mapped_device	2020-12-01 14:53:39 -07:00
dm-crypt.c	dm crypt: export sysfs of kcryptd workqueue	2020-12-04 18:04:36 -05:00
dm-delay.c	block: rename generic_make_request to submit_bio_noacct	2020-07-01 07:27:24 -06:00
dm-dust.c	dm dust: add interface to list all badblocks	2020-07-20 11:17:41 -04:00
dm-ebs-target.c	dm ebs: avoid double unlikely() notation when using IS_ERR()	2020-12-21 13:59:37 -05:00
dm-era-target.c	writeback: remove bdi->congested_fn	2020-07-08 17:20:46 -06:00
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-init.c	dm init: Set file local variable static	2020-08-04 15:51:28 -04:00
dm-integrity.c	dm integrity: don't use drivers that have CRYPTO_ALG_ALLOCATES_MEMORY	2020-11-17 10:45:06 -05:00
dm-io.c	treewide: Remove uninitialized_var() usage	2020-07-16 12:35:15 -07:00
dm-ioctl.c	dm ioctl: fix error return code in target_message	2020-12-04 18:04:36 -05:00
dm-kcopyd.c	dm kcopyd: always complete failed jobs	2019-08-15 15:57:39 -04:00
dm-linear.c	dm: add support for REQ_NOWAIT and enable it for linear target	2020-09-25 08:20:03 -06:00
dm-log-userspace-base.c
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c	dm: replace zero-length array with flexible-array	2020-05-20 17:09:44 -04:00
dm-log.c
dm-mpath.c	dm: use dm_table_get_device_name() where appropriate in targets	2020-09-29 16:33:08 -04:00
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	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
dm-ps-io-affinity.c	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
dm-ps-queue-length.c	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
dm-ps-round-robin.c	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
dm-ps-service-time.c	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
dm-raid1.c	block: rename generic_make_request to submit_bio_noacct	2020-07-01 07:27:24 -06:00
dm-raid.c	for-5.11/block-2020-12-14	2020-12-16 12:57:51 -08:00
dm-region-hash.c
dm-rq.c	block: remove the request_queue to argument request based tracepoints	2020-12-04 09:42:00 -07:00
dm-rq.h
dm-snap-persistent.c	dm snap persistent: simplify area_io()	2020-09-29 16:33:12 -04:00
dm-snap-transient.c
dm-snap.c	block: rename generic_make_request to submit_bio_noacct	2020-07-01 07:27:24 -06:00
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	dm: add support for REQ_NOWAIT to various targets	2020-12-04 18:04:35 -05:00
dm-switch.c	dm: add support for REQ_NOWAIT to various targets	2020-12-04 18:04:35 -05:00
dm-sysfs.c
dm-table.c	for-5.11/block-2020-12-14	2020-12-16 12:57:51 -08:00
dm-target.c
dm-thin-metadata.c	dm thin metadata: Remove unused local variable when create thin and snap	2020-09-29 16:33:11 -04:00
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	writeback: remove bdi->congested_fn	2020-07-08 17:20:46 -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: add support for REQ_NOWAIT to various targets	2020-12-04 18:04:35 -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 verity: skip verity work if I/O error when system is shutting down	2020-12-21 13:57:25 -05:00
dm-verity-verify-sig.c	dm verity: Add support for signature verification with 2nd keyring	2020-12-04 18:04:35 -05:00
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 writecache: remove BUG() and fail gracefully instead	2020-12-01 15:43:39 -05:00
dm-zero.c	dm: add support for REQ_NOWAIT to various targets	2020-12-04 18:04:35 -05:00
dm-zoned-metadata.c	dm zoned: Fix zone reclaim trigger	2020-07-08 12:21:53 -04:00
dm-zoned-reclaim.c	dm zoned: Fix zone reclaim trigger	2020-07-08 12:21:53 -04:00
dm-zoned-target.c	for-5.9/block-20200802	2020-08-03 11:57:03 -07:00
dm-zoned.h	dm zoned: select reclaim zone based on device index	2020-06-05 14:59:53 -04:00
dm.c	- Add DM verity support for signature verification with 2nd keyring.	2020-12-22 13:27:21 -08:00
dm.h	dm table: make 'struct dm_table' definition accessible to all of DM core	2020-09-29 16:33:07 -04:00
Kconfig	dm mpath: add IO affinity path selector	2020-12-04 18:04:35 -05:00
Makefile	dm: rename multipath path selector source files to have "dm-ps" prefix	2020-12-04 18:04:35 -05:00
md-autodetect.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
md-bitmap.c	md/bitmap: fix memory leak of temporary bitmap	2020-10-08 22:37:39 -07:00
md-bitmap.h
md-cluster.c	for-5.11/drivers-2020-12-14	2020-12-16 13:09:32 -08:00
md-cluster.h
md-faulty.c	block: rename generic_make_request to submit_bio_noacct	2020-07-01 07:27:24 -06:00
md-linear.c	block: remove the request_queue argument to the block_bio_remap tracepoint	2020-12-04 09:42:00 -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	writeback: remove bdi->congested_fn	2020-07-08 17:20:46 -06:00
md-multipath.h
md.c	for-5.11/drivers-2020-12-14	2020-12-16 13:09:32 -08:00
md.h	for-5.11/drivers-2020-12-14	2020-12-16 13:09:32 -08:00
raid0.c	for-5.11/block-2020-12-14	2020-12-16 12:57:51 -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: raid1-10: Unify r{1,10}bio_pool_free	2019-06-15 01:37:35 -06:00
raid1.c	block: remove the request_queue argument to the block_bio_remap tracepoint	2020-12-04 09:42:00 -07:00
raid1.h	md/raid1: Replace zero-length array with flexible-array	2020-05-13 12:02:23 -07:00
raid5-cache.c	raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show	2020-08-02 23:03:52 -07:00
raid5-log.h
raid5-ppl.c	md/raid456: convert macro STRIPE_* to RAID5_STRIPE_*	2020-07-21 17:18:12 -07:00
raid5.c	block: remove the request_queue argument to the block_bio_remap tracepoint	2020-12-04 09:42:00 -07:00
raid5.h	md/raid5: let multiple devices of stripe_head share page	2020-09-24 16:44:44 -07:00
raid10.c	for-5.11/drivers-2020-12-14	2020-12-16 13:09:32 -08:00
raid10.h	Revert "md/raid10: improve discard request for far layout"	2020-12-09 20:46:00 -08:00