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1a581b7216
linux/drivers/md
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Christoph Hellwig 1a581b7216 dm: track per-add_disk holder relations in DM 
dm is a bit special in that it opens the underlying devices.  Commit
89f871af1b ("dm: delay registering the gendisk") tried to accommodate
that by allowing to add the holder to the list before add_gendisk and
then just add them to sysfs once add_disk is called.  But that leads to
really odd lifetime problems and error handling problems as we can't
know the state of the kobjects and don't unwind properly.  To fix this
switch to just registering all existing table_devices with the holder
code right after add_disk, and remove them before calling del_gendisk.

Fixes: 89f871af1b ("dm: delay registering the gendisk")
Reported-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20221115141054.1051801-7-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-11-16 15:19:56 -07:00
..
bcache treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
persistent-data dm bufio: Add flags argument to dm_bufio_client_create 2022-07-28 17:46:14 -04:00
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 bufio: use the acquire memory barrier when testing for B_READING 2022-10-18 12:38:16 -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: 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: delete the redundant word 'each' in comment 2022-10-18 17:17:47 -04:00
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 dm clone: Fix typo in block_device format specifier 2022-10-18 17:17:48 -04:00
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 - Add flags argument to dm_bufio_client_create and introduce 2022-08-06 11:09:55 -07:00
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-integrity.c - Add flags argument to dm_bufio_client_create and introduce 2022-08-06 11:09:55 -07:00
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: change from DMWARN to DMERR or DMCRIT for fatal errors 2022-10-18 17:16:00 -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 dm raid: fix typo in analyse_superblocks code comment 2022-10-18 17:17:47 -04:00
dm-region-hash.c
dm-rq.c dm: change from DMWARN to DMERR or DMCRIT for fatal errors 2022-10-18 17:16:00 -04:00
dm-rq.h
dm-snap-persistent.c - Add flags argument to dm_bufio_client_create and introduce 2022-08-06 11:09:55 -07:00
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: change from DMWARN to DMERR or DMCRIT for fatal errors 2022-10-18 17:16:00 -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 dm: change from DMWARN to DMERR or DMCRIT for fatal errors 2022-10-18 17:16:00 -04:00
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 bufio: Add flags argument to dm_bufio_client_create 2022-07-28 17:46:14 -04:00
dm-verity-fec.h dm verity fec: fix misaligned RS roots IO 2021-04-14 14:28:29 -04:00
dm-verity-loadpin.c dm: verity-loadpin: Only trust verity targets with enforcement 2022-09-07 16:37:27 -07:00
dm-verity-target.c dm verity: enable WQ_HIGHPRI on verify_wq 2022-10-18 17:17:47 -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.h dm: verity-loadpin: Only trust verity targets with enforcement 2022-09-07 16:37:27 -07:00
dm-writecache.c - A few fixes for the DM verity and bufio changes from the 6.0 merge. 2022-08-11 19:46:48 -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 - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
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 dm: track per-add_disk holder relations in DM 2022-11-16 15:19:56 -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 hardening updates for v5.20-rc1 2022-08-02 14:38:59 -07:00
md-autodetect.c md: return the allocated devices from md_alloc 2022-08-02 17:22:46 -06:00
md-bitmap.c md/bitmap: Fix bitmap chunk size overflow issues 2022-11-14 09:35:50 -08:00
md-bitmap.h
md-cluster.c fs: dlm: remove DLM_LSFL_FS from uapi 2022-08-23 14:54:54 -05:00
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: fix a crash in mempool_free 2022-11-14 10:15:35 -08:00
md.h md: return the allocated devices from md_alloc 2022-08-02 17:22:46 -06:00
raid0.c md/raid0, raid10: Don't set discard sectors for request queue 2022-11-14 10:15:34 -08:00
raid0.h
raid1-10.c md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00
raid1.c md/raid1: stop mdx_raid1 thread when raid1 array run failed 2022-11-14 10:15:35 -08:00
raid1.h md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00
raid5-cache.c md/raid5: use bdev_write_cache instead of open coding it 2022-11-14 10:15:35 -08:00
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: use bdev_write_cache instead of open coding it 2022-11-14 10:15:35 -08:00
raid5.c md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d 2022-09-22 00:05:06 -07:00
raid5.h md/raid5: Cleanup prototype of raid5_get_active_stripe() 2022-09-22 00:05:04 -07:00
raid10.c md/raid0, raid10: Don't set discard sectors for request queue 2022-11-14 10:15:34 -08:00
raid10.h md/raid10: convert resync_lock to use seqlock 2022-09-22 00:05:05 -07:00