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176 Commits

Author SHA1 Message Date
Adam Rutkowski
5a80237e74 expose composite volume type id in API 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2022-06-13 11:40:08 +02:00
Robert Baldyga
b847fa9a61 Introduce composite volume 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-06-02 09:49:39 +02:00
Robert Baldyga
8858e7344d Replace uuid/type pair with volume object in the device config 
It makes it possible to attach/load cache using volume types that have
non-standard constructors.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-06-02 09:49:39 +02:00
Robert Baldyga
c9ea68f3bf Introduce on_init/on_deinit ops in ocf_volume interface 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-06-02 09:49:39 +02:00
Robert Baldyga
d4df912f46 Add option to disable cleaner 
This allows to avoid allocating cleaner metadata section and effectively
save up to 20% of metadata memory footprint.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-04-28 13:04:27 +02:00
Robert Baldyga
a64fc61413 Merge pull request #666 from arutk/pyocf_vol_cleaniup 
pyocf: volume changes required for failover tests
 2022-03-29 10:02:01 +02:00
Robert Baldyga
af43a240d3 Return more specific error on CRC mismatch 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-03-28 22:42:59 +02:00
Adam Rutkowski
16c85c1560 Remove ocf_core_new_io 
This function is equivalent to calling ocf_volume_new_io()
on core front volume

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2022-03-28 10:36:19 +02:00
Adam Rutkowski
4a839cd332 Verify standby/active cache state in OCF entry points 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2022-03-28 09:42:02 +02:00
Robert Baldyga
aa4622cc01 Make core remove error recoverable 
First try to clean only the mapping. This operation does not require any
rollback, so even if flushing collision fails, core object is still
intact. In case of error we inform user that core was not removed by
returning new error code (-OCF_ERR_CORE_NOT_REMOVED).

After flushing collision succeeds we remove core from metadata and
flush superblock at the end. At that point the core is fully removed
from OCF and even if superblock flush error occurs there is nothing we
can do about it, so we just return the error code.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-03-25 21:32:55 +01:00
Robert Baldyga
d46845b97a Remove unused error code 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-03-09 11:43:35 +01:00
Robert Baldyga
d5b2c65a39 Remove "metadata_layout" parameter of the cache 
This feature is replaced with LRU list shuffling.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2022-03-07 17:48:25 +01:00
Robert Baldyga
9a956f59cd Merge pull request #654 from Open-CAS/fix-flapping-merge 
Porting fix-flapping patches from v21.6.4 by arutk
 2022-03-05 01:31:23 +01:00
Adam Rutkowski
689c44c76b Remove ocf_metadata_probe_cores() implementation 
This function must be fixed to work with metadata flapping. Until then
mark as not supported

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
 2022-03-04 19:13:40 +01:00
Adam Rutkowski
866bba72bf Explicitly validate superblock after load 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>

Additional changes - load sb recovery CRC check

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
 2022-03-04 19:12:51 +01:00
Jan Musial
6f1080d6a8 Add missing include in ocf_volume.h 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2022-02-24 12:27:10 +01:00
Robert Baldyga
6af8d20cee Merge pull request #655 from hammerg/linux_stdarg_h 
Fix compilation error regarding stdarg.h file
 2022-02-07 16:28:25 +01:00
Robert Baldyga
49abe816ce Merge pull request #649 from pdebski21/1023 
fix for issue #1023
 2022-02-07 16:17:14 +01:00
Gal Hammer
3da29e5f3b Fix compilation error regarding stdarg.h file 
Linux includes its own stdarg.h file since version 5.15. This change
allows ocf library to compile as part of a kernel module.

Signed-off-by: Gal Hammer <gal.hammer@huawei.com>
Signed-off-by: Shai Fultheim <shai.fultheim@huawei.com>
 2022-02-07 15:10:01 +02:00
Robert Baldyga
e30fd48338 Merge pull request #656 from jfckm/extend-metadata-probe 
Include cache mode and cache line size in metadata probe
 2022-02-04 13:01:10 +01:00
Jan Musial
8522b0b6e6 Include cache mode and cache line size in metadata probe 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2022-02-04 08:15:05 +01:00
Piotr Debski
9b980d3f22 fix for issue #1023 
Better error for core size mismatch during activation/load

adding pyocf test for new error code

Signed-off-by: Piotr Debski <piotr.debski@intel.com>
 2022-01-25 05:18:16 +01:00
Piotr Debski
609a22cfda added ERROR code for superblock mismatch 
Signed-off-by: Piotr Debski <piotr.debski@intel.com>
 2022-01-08 23:06:10 +01:00
Robert Baldyga
c6644116ae Merge pull request #614 from robertbaldyga/redesign-standby 
Redesign failover standby API
 2022-01-04 14:07:05 +01:00
Jan Musial
ae18ce274e Fix cache size requirements and some logging 
Signed-off-by: Jan Musial <jan.musial@intel.com>
 2022-01-03 14:30:07 +01:00
Robert Baldyga
716b5751d6 Redesign failover standby API 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-29 20:31:40 +01:00
Adam Rutkowski
b1494f4642 Remove option to failover without detach 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-11-30 15:18:08 +01:00
Robert Baldyga
12160ccc36 Introduce OCF_ERR_MIN/OCF_ERR_MAX 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-11-25 15:53:24 +01:00
Rafal Stefanowski
0b39711b8b Add promote-on-threshold sequential cutoff switch 
Decide whether to promote sequential cutoff stream
to global structures when threshold is reached

Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
 2021-11-09 12:54:15 +01:00
Rafal Stefanowski
f22da1cde7 Fix license 
Change license to BSD-3-Clause

Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
 2021-10-28 13:08:50 +02:00
Krzysztof Majzerowicz-Jaszcz
71262d5097 Cache standby mode API changes 
Error for an invalid cache operation while in passive mode added

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

Error name correction

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

API changes for passive cache mode

Moved the passive cache error return source to the api for flush and
set_param

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

Further API changes for passive cache mode

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>

 Passive api - review changes

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
 2021-10-22 15:10:53 +02:00
Adam Rutkowski
5ad4d937f6 Failover detach 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-10-08 14:52:24 +02:00
Robert Baldyga
7b38ad205c Add cache activation from passive state 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-09-06 20:44:40 +02:00
Robert Baldyga
f96451a698 Introduce ocf_cache_is_passive() 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-09-06 13:49:21 +02:00
Robert Baldyga
1fd9a448d4 Introduce passive cache state 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-09-06 13:49:21 +02:00
Robert Baldyga
8015a30348 Fix documentation of ocf_cache_is_running() 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-09-02 22:38:37 +02:00
Robert Baldyga
43917e88bc Merge pull request #560 from KanagiAomori/json 
Flattened ocf_core_info struct
 2021-08-26 09:55:39 +02:00
Piotr Debski
79ebd18d33 Flattened ocf_core_info struct 
Signed-off-by: Piotr Debski <piotr.debski@intel.com>
 2021-08-25 16:01:42 +02:00
Robert Baldyga
c1e9c1fa96 Remove trace API 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-08-09 10:00:01 +02:00
Robert Baldyga
b26483fab5 Merge pull request #528 from arutk/remove_persistent_ops 
Remove accidentaly included ocf_persistent_metadata_ops
 2021-07-29 23:17:51 +02:00
Michal Mielewczyk
f33a6e5ce0 Make switching cleaning policy asynchronous 
Making the operation asynchronous will allow to use refcnt utility as an
synchronization mechanism between processing cachelines and deinitializing
cleaning policy.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-07-27 15:44:18 +02:00
Kozlowski Mateusz
af1f3d73c2 Add back fastpath 
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
 2021-07-21 08:27:25 +02:00
Kozlowski Mateusz
f494448f97 Align structures to cacheline 
Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
 2021-07-08 12:46:39 +02:00
Adam Rutkowski
ab74ce07df Remove accidentaly included ocf_persistent_metadata_ops 
This struct was not meant to be merged to master

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-06-26 18:08:29 +02:00
Adam Rutkowski
88e04a4204 Remove eviction policy abstraction 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-06-18 12:19:08 +02:00
Adam Rutkowski
87f834c793 Move common user and freelist partition data to a new struct 
New structure ocf_part is added to contain all the data common for both
user partitions and freelist partition: part_runtime and part_id.
ocf_user_part now contains ocf_part structure as well as pointer to
cleaning partition runtime metadata (moved out from part_runtime) and
user partition config (no change here).

Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-06-18 12:07:10 +02:00
Adam Rutkowski
f589341c9a remove metadata updater 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-06-15 10:25:05 +02:00
Kozlowski Mateusz
4aff637e57 Add priv field initialization on cache start 
This allows access to it in ctx_metadata_updater_init, which is
done in the same call stack during initalization.

Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
 2021-05-25 15:51:00 +02:00
Michal Mielewczyk
19276570b8 Prevent adding core with the same UUID twice 
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-04-14 16:56:09 +02:00
Kozlowski Mateusz
fdd6b88cc4 General packing of structs 
Get back some memory/cachelines by packing any leftover static fields together.

Signed-off-by: Kozlowski Mateusz <mateusz.kozlowski@intel.com>
 2021-03-26 08:57:04 +01:00