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Author SHA1 Message Date
Adam Rutkowski
3dd4263bc8 Change hash function 
Modify ocf_metadata_hash_func to return consecutive (modulo @hash_table_entries)
values for consecutive @core_line_num. This way it is trivial to sort all
core lines within a single request according to their hash value. This kind
of sorting will be required to assure that future hash bucket metadata locks
are always acquired in fixed order, eliminating the risk of dead locks.

This change is part of fine granularity metadata lock implementation.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2019-07-24 15:02:34 -04:00
Adam Rutkowski
7184f7787c Cleanup map_info struct 
1. Rename hash_key -> hash
2. Better comments for hash and coll_idx

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2019-07-24 13:12:05 -04:00
Michal Rakowski
aa02f56b05
Merge pull request #218 from robertbaldyga/rm-includes-metadata-superblock 
Remove unneeded includes in metadata_superblock.h
 2019-07-23 13:56:39 +02:00
Jan Musiał
1fd1a6fe17
Merge pull request #209 from arutk/stop_no_queue 
Allow to stop cache without management queue
 2019-07-23 13:51:21 +02:00
Michal Rakowski
7adfa2ad4a
Merge pull request #219 from robertbaldyga/fix-recursive-mutex 
env: posix: Fix recursive mutex
 2019-07-23 13:39:28 +02:00
Robert Baldyga
877f8b1443 env: posix: Fix recursive mutex 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-23 13:23:01 +02:00
Robert Baldyga
ab2f8b199a Remove unneeded includes in metadata_superblock.h 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-23 13:00:05 +02:00
Jan Musiał
232f0cd8d7
Merge pull request #216 from robertbaldyga/io-and-req-in-single-allocation 
Allocate io and req in single allocation
 2019-07-23 11:40:30 +02:00
Jan Musiał
08abf69224
Merge pull request #217 from Open-CAS/remove-redundant-field 
Remove redundant field from struct ocf_cache_device
 2019-07-23 09:55:03 +02:00
Adam Rutkowski
7b475fa7fc
Merge pull request #215 from imjfckm/add-promotion-policy-api 
Add promotion policy API and use it in I/O path
 2019-07-22 14:23:38 +02:00
Jan Musial
917cbd859a Add promotion policy API and use it in I/O path 
Promotion policy is supposed to perform ALRU noise filtering by
eliminating one-hit wonders being added to cache and polluting it.

Signed-off-by: Jan Musial <jan.musial@intel.com>
 2019-07-19 13:52:00 +02:00
Robert Baldyga
6822ab6140 Remove redundant field from struct ocf_cache_device 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-19 12:59:14 +02:00
Robert Baldyga
e64bb50a4b Allocate io and request in single allocation 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 10:31:23 +02:00
Robert Baldyga
61414f889e Introduce OCF IO allocator 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 10:31:23 +02:00
Robert Baldyga
2efd563df1 Merge new_io and configure - update tests 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 10:31:23 +02:00
Robert Baldyga
e254c9b587 Merge new_io and configure into one function 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 10:31:23 +02:00
Robert Baldyga
1454b75c0f ocf_io_internal - update tests 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 10:31:23 +02:00
Robert Baldyga
4d2d31ff76 Introduce ocf_io_internal 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2019-07-17 09:54:51 +02:00
Adam Rutkowski
af4727675a pytest: simple start stop without mngmt queue test 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2019-07-08 18:26:35 -04:00
Adam Rutkowski
4f04b2762f Simplified stop path for cache detached case 
When cache is detached we cannot assume there is a management
queue created. This change introduces simplified cache stop
path, performing all the necessary deinit without using
IO queues.

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2019-07-08 18:26:35 -04:00
Jan Musiał
999f3f7245
Merge pull request #214 from mmichal10/detect-old-cache-metadata 
Detect old cache metadata
 2019-07-08 16:04:21 +02:00
Michal Mielewczyk
0c8bc4cec5 pyocf: add new error OCF error code to test framework 
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2019-07-08 09:23:32 -04:00
Michal Mielewczyk
636834dae3 Check for existing metadata when attaching cache. 
Instead of overriding existing metadata silently, return appropriate error.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2019-07-08 09:23:32 -04:00
Michal Rakowski
609ff30cbc
Merge pull request #213 from imjfckm/fix-metadata-typo 
Fix typo in metadata_hash_get_entries fcn
 2019-07-04 16:06:13 +02:00
Jan Musial
aab3c4fbaa Fix typo in metadata_hash_entries fcn 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2019-07-04 14:01:27 +02:00
Adam Rutkowski
6fb1a697a4
Merge pull request #211 from mmichal10/fix-unit-test 
Prevent warpping ocf_mngt_cache_mode_has_lazy_write() in UT.
 2019-06-28 08:21:05 -04:00
Michal Mielewczyk
3005b6b5b5 Prevent warpping ocf_mngt_cache_mode_has_lazy_write() in UT. 
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2019-06-28 07:39:24 -04:00
Kamil Łepek
6c869d97fb
Merge pull request #210 from Open-CAS/fix-uuid-freeing 
Fix volumes deinit routine
 2019-06-28 13:22:43 +02:00
Jan Musial
ede2bcdf48 Fix volumes deinit routine 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2019-06-28 13:03:14 +02:00
Kamil Lepek
824009abfc Eviction test for request bigger than cache 
Added a test which checks if eviction is triggered upon writing to cache with request bigger than cache size.
IO should go directly to core and eviction should not occur.

Signed-off-by: Kamil Lepek <kamil.lepek94@gmail.com>
 2019-06-28 09:43:32 +02:00
Daniel Madej
647601c514
Merge pull request #208 from KamilLepek/unregister_volume_fix 
Removed wrong status check during unregister_volume_type in pyocf.
 2019-06-27 14:58:06 +02:00
Daniel Madej
83d9ec7c98
Merge pull request #198 from KamilLepek/fix_xfail 
Fix wb xfailed test, update exported obj md5
 2019-06-27 14:51:58 +02:00
Jan Musiał
8572921271
Merge pull request #207 from KamilLepek/badges 
Add readme badges for master branch status and licensing
 2019-06-26 16:08:09 +02:00
Kamil Lepek
27de628013 Removed wrong status check during unregister_volume_type in pyocf. 
Signed-off-by: Kamil Lepek <kamil.lepek94@gmail.com>
 2019-06-26 15:07:19 +02:00
Jan Musiał
e7e0ad957d
Merge pull request #201 from mmichal10/fix-load-error-handling 
Fix error handling in case of failed load
 2019-06-26 12:24:02 +02:00
Kamil Lepek
53ce7cc6b9 Add readme badges for master branch status and licensing 
Signed-off-by: Kamil Lepek <kamil.lepek94@gmail.com>
 2019-06-26 10:52:23 +02:00
Adam Rutkowski
252cb2dd8e
Merge pull request #206 from Open-CAS/fix-leaking-core-volumes 
Fix leaking front and core volumes
 2019-06-26 04:45:07 -04:00
Jan Musial
2c629be4c2 Fix leaking front and core volumes 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2019-06-26 10:00:49 +02:00
Adam Rutkowski
2c5b37bd11
Merge pull request #205 from imjfckm/fix-cache-leak 
Fix leaking cache references
 2019-06-25 09:34:21 -04:00
Michal Mielewczyk
52f6d6280b Fix error handling in case of failed load 
Store default metadata values and restore them in case of failed load.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2019-06-25 09:31:05 -04:00
Jan Musial
4a20ce9c25 Fix leaking cache references 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2019-06-25 11:43:28 +02:00
Michal Rakowski
e9d5a9c658
Merge pull request #204 from micrakow/add_core_is_dirty_foo 
Introduce core_is_dirty mngt method
 2019-06-25 09:53:31 +02:00
Michal Rakowski
b1a6c467a0 Introduce core_is_dirty mngt method 
Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
 2019-06-25 09:12:44 +02:00
Michał Mielewczyk
4a6fc035e9
Merge pull request #203 from micrakow/remove_dirty_check_flush_cmpl 
Remove cache dirty check at flush completion
 2019-06-24 15:54:42 +02:00
Michal Rakowski
a818ffabfd Move ocf_mngt_cache_is_dirty to public mngt interface 2019-06-24 15:23:06 +02:00
Michal Rakowski
2925147395 Remove reduntant dirty check 
When flush completion is called there could be some clines marked as dirty since those could be in-use during flushing.
 2019-06-24 14:24:34 +02:00
Kamil Łepek
0293ce956e
Merge pull request #202 from micrakow/makefile_j_fix 
Forcing symbolic link creation
 2019-06-24 12:57:35 +02:00
Michal Rakowski
91825a3c95 Forcing symbolic link creation 
Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
 2019-06-19 15:32:18 +02:00
Adam Rutkowski
c89b982933 pytest: control cacheline insertion order in WO tests 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2019-06-18 18:25:46 -04:00
Kamil Łepek
56a083695e
Merge pull request #190 from KamilLepek/readme_tests 
Update README with pyocf information and fix referencing
 2019-06-18 16:34:33 +02:00