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linux-stable-mirror/drivers/md
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Jan Glauber 0035a47045 md: Fix missing unused status line of /proc/mdstat 
commit 7abfabaf5f upstream.

Reading /proc/mdstat with a read buffer size that would not
fit the unused status line in the first read will skip this
line from the output.

So 'dd if=/proc/mdstat bs=64 2>/dev/null' will not print something
like: unused devices: <none>

Don't return NULL immediately in start() for v=2 but call
show() once to print the status line also for multiple reads.

Cc: stable@vger.kernel.org
Fixes: 1f4aace60b ("fs/seq_file.c: simplify seq_file iteration code and interface")
Signed-off-by: Jan Glauber <jglauber@digitalocean.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-14 09:49:59 +02:00
..
bcache
bcache: Move journal work to new flush wq
2021-03-04 11:38:26 +01:00
persistent-data
dm space map common: fix division bug in sm_ll_find_free_block()
2021-05-11 14:47:40 +02:00
dm-bio-prison-v1.c
…
dm-bio-prison-v1.h
…
dm-bio-prison-v2.c
…
dm-bio-prison-v2.h
…
dm-bio-record.h
…
dm-bufio.c
dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size
2021-03-09 11:11:12 +01:00
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
Revert "dm cache: fix arm link errors with inline"
2020-12-01 15:43:36 -05:00
dm-clone-metadata.c
…
dm-clone-metadata.h
…
dm-clone-target.c
writeback: remove bdi->congested_fn
2020-07-08 17:20:46 -06:00
dm-core.h
dm: fix deadlock when swapping to encrypted device
2021-03-04 11:38:44 +01:00
dm-crypt.c
dm: fix deadlock when swapping to encrypted device
2021-03-04 11:38:44 +01:00
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: Fix incorrect checking for REQ_OP_FLUSH
2020-08-04 16:01:40 -04:00
dm-era-target.c
dm era: only resize metadata in preresume
2021-03-04 11:38:46 +01:00
dm-exception-store.c
…
dm-exception-store.h
…
dm-flakey.c
…
dm-historical-service-time.c
…
dm-init.c
dm init: Set file local variable static
2020-08-04 15:51:28 -04:00
dm-integrity.c
dm integrity: fix missing goto in bitmap_flush_interval error handling
2021-05-11 14:47:40 +02:00
dm-io.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
dm-ioctl.c
dm ioctl: fix out of bounds array access when no devices
2021-03-30 14:31:56 +02:00
dm-kcopyd.c
…
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-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-queue-length.c
…
dm-raid1.c
block: rename generic_make_request to submit_bio_noacct
2020-07-01 07:27:24 -06:00
dm-raid.c
dm raid: fix inconclusive reshape layout on fast raid4/5/6 table reload sequences
2021-05-11 14:47:36 +02:00
dm-region-hash.c
…
dm-round-robin.c
…
dm-rq.c
dm rq: fix double free of blk_mq_tag_set in dev remove after table load fails
2021-05-11 14:47:40 +02:00
dm-rq.h
…
dm-service-time.c
…
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
dm snapshot: flush merged data before committing metadata
2021-01-19 18:27:21 +01:00
dm-stats.c
…
dm-stats.h
…
dm-stripe.c
…
dm-switch.c
…
dm-sysfs.c
…
dm-table.c
dm table: Fix zoned model check and zone sectors check
2021-03-30 14:32:06 +02:00
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.c
writeback: remove bdi->congested_fn
2020-07-08 17:20:46 -06:00
dm-uevent.c
…
dm-uevent.h
…
dm-unstripe.c
…
dm-verity-fec.c
dm verity fec: fix misaligned RS roots IO
2021-04-21 13:00:54 +02:00
dm-verity-fec.h
dm verity fec: fix misaligned RS roots IO
2021-04-21 13:00:54 +02:00
dm-verity-target.c
dm verity: fix DM_VERITY_OPTS_MAX value
2021-03-30 14:31:56 +02:00
dm-verity-verify-sig.c
…
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: fix writing beyond end of underlying device when shrinking
2021-03-04 11:38:45 +01:00
dm-zero.c
…
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
dm table: Fix zoned model check and zone sectors check
2021-03-30 14:32:06 +02:00
dm-zoned.h
dm zoned: select reclaim zone based on device index
2020-06-05 14:59:53 -04:00
dm.c
dm table: fix DAX iterate_devices based device capability checks
2021-03-04 11:38:44 +01:00
dm.h
dm table: fix DAX iterate_devices based device capability checks
2021-03-04 11:38:44 +01:00
Kconfig
dm integrity: select CRYPTO_SKCIPHER
2021-01-27 11:54:57 +01:00
Makefile
md: move the early init autodetect code to drivers/md/
2020-07-16 15:34:47 +02:00
md-autodetect.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
md-bitmap.c
md/bitmap: wait for external bitmap writes to complete during tear down
2021-05-14 09:49:59 +02:00
md-bitmap.h
…
md-cluster.c
md/cluster: fix deadlock when node is doing resync job
2020-12-30 11:54:25 +01:00
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: add a new revalidate_disk_size helper
2020-09-02 08:00:07 -06:00
md-linear.h
…
md-multipath.c
writeback: remove bdi->congested_fn
2020-07-08 17:20:46 -06:00
md-multipath.h
…
md.c
md: Fix missing unused status line of /proc/mdstat
2021-05-14 09:49:59 +02:00
md.h
Revert "md: change mddev 'chunk_sectors' from int to unsigned"
2020-12-14 19:33:01 +01:00
raid0.c
Revert "md: add md_submit_discard_bio() for submitting discard bio"
2020-12-09 20:46:01 -08:00
raid0.h
…
raid1-10.c
…
raid1.c
md/raid1: properly indicate failure when ending a failed write request
2021-05-11 14:47:36 +02:00
raid1.h
…
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
md/raid5: fix oops during stripe resizing
2020-10-08 22:38:10 -07:00
raid5.h
md/raid5: let multiple devices of stripe_head share page
2020-09-24 16:44:44 -07:00
raid10.c
md/raid10: initialize r10_bio->read_slot before use.
2021-01-06 14:56:49 +01:00
raid10.h
Revert "md/raid10: improve discard request for far layout"
2020-12-09 20:46:00 -08:00