redonkable/alistair23-linux
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alistair23-linux/drivers/md
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Vivek Goyal e80d1c805a dm: do not override error code returned from dm_get_device() 
Some of the device mapper targets override the error code returned by
dm_get_device() and return either -EINVAL or -ENXIO.  There is nothing
gained by this override.  It is better to propagate the returned error
code unchanged to caller.

This work was motivated by hitting an issue where the underlying device
was busy but -EINVAL was being returned.  After this change we get
-EBUSY instead and it is easier to figure out the problem.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2015-08-12 11:32:21 -04:00
..
bcache bcache: don't embed 'return' statements in closure macros 2015-07-11 09:57:32 -06:00
persistent-data dm btree remove: remove unused function get_nr_entries() 2015-08-12 11:32:19 -04:00
bitmap.c Some md fixes for 4.2 2015-07-25 11:24:58 -07:00
bitmap.h md-cluster: re-add capabilities 2015-04-22 07:59:39 +10:00
dm-bio-prison.c dm bio prison: add dm_cell_promote_or_release() 2015-05-29 14:19:06 -04:00
dm-bio-prison.h dm bio prison: add dm_cell_promote_or_release() 2015-05-29 14:19:06 -04:00
dm-bio-record.h dm: Refactor for new bio cloning/splitting 2013-11-23 22:33:55 -08:00
dm-bufio.c dm bufio: fix time comparison to use time_after_eq() 2015-02-09 13:06:48 -05:00
dm-bufio.h dm snapshot: use dm-bufio prefetch 2014-01-14 23:23:03 -05:00
dm-builtin.c dm sysfs: fix a module unload race 2014-01-14 23:23:04 -05:00
dm-cache-block-types.h dm cache: revert "remove remainder of distinct discard block size" 2014-11-10 15:25:30 -05:00
dm-cache-metadata.c dm cache: add fail io mode and needs_check flag 2015-06-11 17:13:00 -04:00
dm-cache-metadata.h dm cache: add fail io mode and needs_check flag 2015-06-11 17:13:00 -04:00
dm-cache-policy-cleaner.c dm cache: pass a new 'critical' flag to the policies when requesting writeback work 2015-05-29 14:19:04 -04:00
dm-cache-policy-internal.h dm cache: age and write back cache entries even without active IO 2015-06-11 17:13:01 -04:00
dm-cache-policy-mq.c dm cache policy smq: move 'dm-cache-default' module alias to SMQ 2015-08-12 11:27:29 -04:00
dm-cache-policy-smq.c dm cache policy smq: change the mutex to a spinlock 2015-08-12 11:32:19 -04:00
dm-cache-policy.c dm cache: add policy name to status output 2014-01-16 13:44:11 -05:00
dm-cache-policy.h dm cache: age and write back cache entries even without active IO 2015-06-11 17:13:01 -04:00
dm-cache-target.c dm cache: move wake_waker() from free_migrations() to where it is needed 2015-08-12 11:32:20 -04:00
dm-crypt.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-delay.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-era-target.c dm era: check for a non-NULL metadata object before closing it 2014-06-03 13:44:08 -04:00
dm-exception-store.c dm: replace simple_strtoul 2012-07-27 15:07:59 +01:00
dm-exception-store.h
dm-flakey.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-io.c dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRITE_SAME 2015-02-27 14:53:32 -05:00
dm-ioctl.c dm: only initialize the request_queue once 2015-04-30 10:25:21 -04:00
dm-kcopyd.c dm: stop using WQ_NON_REENTRANT 2013-08-23 09:02:13 -04:00
dm-linear.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-log-userspace-base.c dm log userspace base: fix compile warning 2015-04-15 12:10:20 -04:00
dm-log-userspace-transfer.c dm log userspace transfer: match wait_for_completion_timeout return type 2015-04-15 12:10:20 -04:00
dm-log-userspace-transfer.h
dm-log-writes.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-log.c dm: use memweight() 2012-07-30 17:25:16 -07:00
dm-mpath.c dm mpath: fix leak of dm_mpath_io structure in blk-mq .queue_rq error path 2015-05-27 17:37:22 -04:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-queue-length.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-raid.c dm raid: add support for the MD RAID0 personality 2015-05-29 14:19:00 -04:00
dm-raid1.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-region-hash.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
dm-round-robin.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-service-time.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-snap-persistent.c dm snapshot: remove unnecessary NULL checks before vfree() calls 2015-02-09 13:06:49 -05:00
dm-snap-transient.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap.c block: remove management of bi_remaining when restoring original bi_end_io 2015-05-22 08:58:55 -06:00
dm-stats.c dm stats: add support for request-based DM devices 2015-06-17 12:40:41 -04:00
dm-stats.h dm stats: support precise timestamps 2015-06-17 12:40:40 -04:00
dm-stripe.c dm: do not override error code returned from dm_get_device() 2015-08-12 11:32:21 -04:00
dm-switch.c dm switch: efficiently support repetitive patterns 2014-08-01 12:30:37 -04:00
dm-sysfs.c dm: add 'use_blk_mq' module param and expose in per-device ro sysfs attr 2015-04-15 12:10:17 -04:00
dm-table.c Revert "block, dm: don't copy bios for request clones" 2015-06-26 10:11:58 -04:00
dm-target.c dm: allocate requests in target when stacking on blk-mq devices 2015-02-09 13:06:47 -05:00
dm-thin-metadata.c dm thin metadata: delete btrees when releasing metadata snapshot 2015-08-12 10:42:51 -04:00
dm-thin-metadata.h dm thin metadata: add dm_thin_remove_range() 2015-06-11 17:13:04 -04:00
dm-thin.c dm thin: return -ENOSPC when erroring retry list due to out of data space 2015-07-26 17:39:19 -04:00
dm-uevent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-uevent.h
dm-verity.c dm verity: remove unused mempool 2015-08-12 11:32:20 -04:00
dm-zero.c dm crypt, dm zero: update author name following legal name change 2014-07-10 16:44:14 -04:00
dm.c dm: test return value for DM_MAPIO_SUBMITTED 2015-08-12 11:32:20 -04:00
dm.h - Revert block and DM core changes the removed request-based DM's 2015-06-26 12:35:01 -07:00
faulty.c md: rename ->stop to ->free 2015-02-04 08:35:52 +11:00
Kconfig dm crypt: update wiki page URL 2015-07-27 07:58:16 -04:00
linear.c md: rename ->stop to ->free 2015-02-04 08:35:52 +11:00
linear.h
Makefile dm cache: add stochastic-multi-queue (smq) policy 2015-06-11 17:12:59 -04:00
md-cluster.c Fix read-balancing during node failure 2015-07-24 13:37:59 +10:00
md-cluster.h Fix read-balancing during node failure 2015-07-24 13:37:59 +10:00
md.c md: use kzalloc() when bitmap is disabled 2015-08-03 14:56:02 +10:00
md.h writeback: separate out include/linux/backing-dev-defs.h 2015-06-02 08:33:34 -06:00
multipath.c md: rename ->stop to ->free 2015-02-04 08:35:52 +11:00
multipath.h
raid0.c md/raid0: fix restore to sector variable in raid0_make_request 2015-05-21 09:14:25 +10:00
raid0.h md: add proper merge_bvec handling to RAID0 and Linear. 2012-03-19 12:46:39 +11:00
raid1.c md/raid1: extend spinlock to protect raid1_end_read_request against inconsistencies 2015-08-03 12:29:42 +10:00
raid1.h md: make ->congested robust against personality changes. 2015-02-04 08:35:52 +11:00
raid5.c md/raid5: don't let shrink_slab shrink too far. 2015-08-03 17:10:56 +10:00
raid5.h md/raid5: avoid races when changing cache size. 2015-07-22 14:04:15 +10:00
raid10.c md/raid10: always set reshape_safe when initializing reshape_position. 2015-07-22 14:08:24 +10:00
raid10.h md: make ->congested robust against personality changes. 2015-02-04 08:35:52 +11:00