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xen/PMU: PMU emulation code
2015-08-12 Joe Thornberdm btree: add ref counting ops for the leaves of top...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-08-12 Joe Thornberdm thin metadata: delete btrees when releasing metadata...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-08-07 Joe Thornberdm btree remove: fix bug in remove_one()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-07-06 Joe Thornberdm btree: silence lockdep lock inversion in dm_btree_del()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-07-06 Joe Thornberdm thin: allocate the cell_sort_array dynamically
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-17 Joe Thornberdm space map metadata: fix occasional leak of a metadata...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm thin metadata: fix a race when entering fail mode
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm thin: range discard support
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm thin metadata: add dm_thin_remove_range()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm thin metadata: add dm_thin_find_mapped_range()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm btree: add dm_btree_remove_leaves()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm cache: age and write back cache entries even without...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm cache: add fail io mode and needs_check flag
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm cache: wake the worker thread every time we free...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-06-11 Joe Thornberdm cache: add stochastic-multi-queue (smq) policy
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: boost promotion of blocks that will be overwritten
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: defer whole cells
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm bio prison: add dm_cell_promote_or_release()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: pull out some bitset utility functions for...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: pass a new 'critical' flag to the policies...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: track IO to the origin device using io_tracker
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: add io_tracker
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm cache: fix race when issuing a POLICY_REPLACE operation
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-05-29 Joe Thornberdm: fix casting bug in dm_merge_bvec()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-03-31 Joe Thornberdm cache policy mq: try not to writeback data that...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-03-31 Joe Thornberdm cache policy mq: remove unused generation member...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-03-31 Joe Thornberdm cache policy mq: track entries hit this 'tick' via...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-03-31 Joe Thornberdm cache policy mq: remove queue_shift_down()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-03-31 Joe Thornberdm cache policy mq: keep track of the number of entries...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-02-27 Joe Thornberdm thin: fix to consistently zero-fill reads to unprovisione...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-01-28 Joe Thornberdm thin: don't allow messages to be sent to a pool...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-01-28 Joe Thornberdm cache: fix missing ERR_PTR returns and handling
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-01-23 Joe Thornberdm cache: fix problematic dual use of a single migration...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2015-01-23 Joe Thornberdm cache: share cache-metadata object across inactive...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-17 Joe Thornberdm thin: fix missing out-of-data-space to write mode...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-17 Joe Thornberdm thin: fix inability to discard blocks when in out...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-02 Joe Thornberdm space map metadata: fix sm_bootstrap_get_count()
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: fix spurious cell_defer when dealing with...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: dirty flag was mistakenly being cleared when...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: only use overwrite optimisation for promotion...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: discard block size must be a multiple of...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: fix a harmless race when working out if a...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: when reloading a discard bitset allow for...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm cache: fix some issues with the new discard range...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-12-01 Joe Thornberdm array: if resizing the array is a noop set the new...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-13 Joe Thornberdm cache: emit a warning message if there are a lot...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm cache: improve discard support
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm cache: revert "prevent corruption caused by discard_block...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm cache: revert "remove remainder of distinct discard...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm bio prison: introduce support for locking ranges...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm cache policy mq: tweak algorithm that decides when...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: sort the deferred cells
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: direct dispatch when breaking sharing
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: remap the bios in a cell immediately
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: defer whole cells rather than individual bios
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: performance improvement to discard processing
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: throttle incoming IO
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin: prefetch missing metadata pages
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm transaction manager: add support for prefetching...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm thin metadata: change dm_thin_find_block to allow...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm bio prison: switch to using a red black tree
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm bufio: evict buffers that are past the max age but...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm bufio: switch from a huge hash table to an rbtree
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-10 Joe Thornberdm btree: fix a recursion depth bug in btree walking...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-11-04 Joe Thornberdm thin: grab a virtual cell before looking up the...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-10-06 Joe Thornberdm bufio: update last_accessed when relinking a buffer
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-08-01 Joe Thornberdm cache: fail migrations in the do_worker error path
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-08-01 Joe Thornberdm cache: simplify deferred set reference count increments
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-08-01 Joe Thornberdm thin: relax external origin size constraints
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-08-01 Joe Thornberdm thin: switch to an atomic_t for tracking pending...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-08-01 Joe Thornberdm io: simplify dec_count and sync_io
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-07-10 Joe Thornberdm io: fix a race condition in the wake up code for...
Signed-off-by: Joe Thornber <thornber@redhat.com>
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2014-06-03 Joe Thornberdm era: check for a non-NULL metadata object before...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-06-03 Joe Thornberdm thin: cleanup noflush_work to use a proper completion
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-05-14 Joe Thornberdm thin: add timeout to stop out-of-data-space mode...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-05-14 Joe Thornberdm thin: allow metadata commit if pool is in PM_OUT_OF_DATA_...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-04-08 Joe Thornberdm thin: fix rcu_read_lock being held in code that...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-04-08 Joe Thornberdm thin: irqsave must always be used with the pool...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-04-04 Joe Thornberdm cache: fix a lock-inversion
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-27 Joe Thornberdm: take care to copy the space map roots before locking...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-27 Joe Thornberdm transaction manager: fix corruption due to non-atomic...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-27 Joe Thornberdm bitset: only flush the current word if it has been...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-27 Joe Thornberdm: add era target
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-07 Joe Thornberdm space map metadata: fix refcount decrement below...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-05 Joe Thornberdm thin: fix noflush suspend IO queueing
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-05 Joe Thornberdm thin: fix deadlock in __requeue_bio_list
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-03-05 Joe Thornberdm thin: fix out of data space handling
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-21 Joe Thornberdm space map metadata: fix bug in resizing of thin...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-09 Joe Thornberdm btree: add dm_btree_find_lowest_key
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-08 Joe Thornberdm space map metadata: fix extending the space map
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-08 Joe Thornberdm space map common: make sure new space is used during...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-07 Joe Thornberdm cache policy mq: introduce three promotion threshold...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-07 Joe Thornberdm thin: handle metadata failures more consistently
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-07 Joe Thornberdm thin: factor out check_low_water_mark and use bools
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-07 Joe Thornberdm thin: return error from alloc_data_block if pool...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2014-01-07 Joe Thornberdm thin: fix discard support to a previously shared...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2013-12-13 Joe Thornberdm array: fix a reference counting bug in shadow_ablock
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2013-12-13 Joe Thornberdm space map: disallow decrementing a reference count...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2013-12-10 Joe Thornberdm cache policy mq: fix promotions to occur as expected
Signed-off-by: Joe Thornber <ejt@redhat.com>
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2013-12-10 Joe Thornberdm thin: allow pool in read-only mode to transition...
Signed-off-by: Joe Thornber <ejt@redhat.com>
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