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linux-stable/drivers/md/persistent-data
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Joe Thornber 6b06dd5a97 dm space map disk: cache a small number of index entries 
The disk space map stores it's index entries in a btree, these are
accessed very frequently, so having a few cached makes a big difference
to performance.

With this change provisioning a new block takes roughly 20% less cpu.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2021-06-04 12:07:23 -04:00
..
dm-array.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-array.h dm persistent data: add cursor skip functions to the cursor APIs 2017-02-16 13:12:50 -05:00
dm-bitset.c dm persistent data: add cursor skip functions to the cursor APIs 2017-02-16 13:12:50 -05:00
dm-bitset.h dm persistent data: add cursor skip functions to the cursor APIs 2017-02-16 13:12:50 -05:00
dm-block-manager.c dm thin metadata: Fix use-after-free in dm_bm_set_read_only 2020-09-02 13:38:40 -04:00
dm-block-manager.h dm block manager: remove an unused argument from dm_block_manager_create() 2017-04-27 17:08:41 -04:00
dm-btree-internal.h dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-btree-remove.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-btree-spine.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-btree.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-btree.h dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-persistent-data-internal.h
dm-space-map-common.c dm space map disk: cache a small number of index entries 2021-06-04 12:07:23 -04:00
dm-space-map-common.h dm space map disk: cache a small number of index entries 2021-06-04 12:07:23 -04:00
dm-space-map-disk.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-space-map-disk.h
dm-space-map-metadata.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-space-map-metadata.h dm thin: allow metadata space larger than supported to go unused 2014-02-27 11:49:08 -05:00
dm-space-map.h dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-transaction-manager.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-transaction-manager.h dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00