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linux-stable/drivers/md
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Mike Christie 08a3c338e0 dm: Fix PR release handling for non All Registrants 
This commit fixes a bug where we are leaving the reservation in place
even though pr_release has run and returned success.

If we have a Write Exclusive, Exclusive Access, or Write/Exclusive
Registrants only reservation, the release must be sent down the path
that is the reservation holder. The problem is multipath_prepare_ioctl
most likely selected path N for the reservation, then later when we do
the release multipath_prepare_ioctl will select a completely different
path. The device will then return success becuase the nvme and scsi
specs say to return success if there is no reservation or if the
release is sent down from a path that is not the holder. We then think
we have released the reservation.

This commit has us loop over each path and send a release so we can
make sure the release is executed on the correct path. It has been
tested with windows failover clustering's validation test which checks
this case, and it has been tested manually (the libiscsi PGR tests
don't have a test case for this yet, but I will be adding one).

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2022-07-28 17:29:56 -04:00
..
bcache block: remove blk_cleanup_disk 2022-06-28 06:33:15 -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 block: turn bio_kmalloc into a simple kmalloc wrapper 2022-04-17 19:30:41 -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.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 scsi: dm: Remove WRITE_SAME support 2022-02-22 21:11:08 -05:00
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: simplify basic targets 2022-05-05 17:31:35 -04:00
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 dm integrity: fix error code in dm_integrity_ctr() 2022-05-09 12:14:00 -04:00
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 block: add a bdev_max_discard_sectors helper 2022-04-17 19:49:59 -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 dm kcopyd: use __GFP_HIGHMEM when allocating pages 2022-07-14 15:52:31 -04:00
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: clear log bits up to BITS_PER_LONG boundary 2022-06-23 14:55:43 -04:00
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-raid.c dm raid: remove redundant "the" in parse_raid_params() comment 2022-07-07 11:49:38 -04:00
dm-raid1.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
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: 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 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 dm table: rename dm_target variable in dm_table_add_target() 2022-07-07 11:49:35 -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-verity-fec.h
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.h
dm-writecache.c dm writecache: count number of blocks discarded, not number of discard bios 2022-07-14 15:54:46 -04:00
dm-zero.c
dm-zone.c dm table: audit all dm_table_get_target() callers 2022-07-07 11:49:34 -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: don't set the discard_alignment queue limit 2022-05-03 10:38:50 -06:00
dm-zoned.h dm-zoned: remove the ->name field in struct dmz_dev 2022-03-02 12:15:35 -05:00
dm.c dm: Fix PR release handling for non All Registrants 2022-07-28 17:29:56 -04:00
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-bitmap.c md: replace deprecated strlcpy & remove duplicated line 2022-04-25 14:00:36 -07:00
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 block: remove blk_cleanup_disk 2022-06-28 06:33:15 -06:00
md.h Revert "md: don't unregister sync_thread with reconfig_mutex held" 2022-06-15 10:30:14 -07:00
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: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
raid1.h md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00
raid5-cache.c md: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
raid5-log.h
raid5-ppl.c md/raid5-ppl: Fix argument order in bio_alloc_bioset() 2022-06-15 10:32:48 -07:00
raid5.c md: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
raid5.h md/raid5: Add __rcu annotation to struct disk_info 2022-04-25 14:00:36 -07:00
raid10.c md: remove most calls to bdevname 2022-05-22 23:07:21 -07:00
raid10.h md: raid1/raid10: drop pending_cnt 2022-03-08 15:16:54 -08:00