Adam Rutkowski
196437f9bc
Zero superblock before writing metadata
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This is the first step towards atomic initialization of metadata
on cache disk.
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2022-01-05 13:06:59 +01:00
Robert Baldyga
99c8c05f3f
Introduce flapping of metadata config sections
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This feature provides double buffering of config sections to prevent
situation when power failure during metadata flush leads to partially
updated metadata. Flapping mechanism makes it always possible to perform
graceful rollback to previous config metadata content in such situation.
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-12-15 15:30:34 +01:00
Rafal Stefanowski
f22da1cde7
Fix license
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Change license to BSD-3-Clause
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2021-10-28 13:08:50 +02:00
Robert Baldyga
9b3a0c968e
Introduce ocf_metadata_passive_update()
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-09-06 13:49:21 +02:00
Robert Baldyga
82abcd11e7
Fix documentation of ocf_metadata_raw_rd_access()
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-09-02 22:38:37 +02:00
Robert Baldyga
73c3e97f43
Merge pull request #509 from Open-CAS/rm-metadata-updater
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Remove metadata updater
2021-06-17 09:34:18 +02:00
Adam Rutkowski
953e0f25d7
replace metadata updater with metadata I/O concurrency
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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2021-06-15 10:25:05 +02:00
Jan Musial
a52a3b75e5
Mark unlikely conditionals in hot code paths in metadata_raw
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Signed-off-by: Jan Musial <jan.musial@intel.com>
2021-06-10 15:20:33 +02:00
Rafal Stefanowski
6ed4cf8a24
Update copyright statements (2021)
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Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2021-01-21 13:17:34 +01:00
Adam Rutkowski
822cd7c45a
Introduce metadata superblock & segment structures
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Refactoring metadata superblock and segment ops code
to make it less tightly coupled.
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2020-12-20 16:35:53 +01:00
Adam Rutkowski
3eb5568608
rename segment->segment_id and segemnt_ops->segment
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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2020-12-20 16:35:53 +01:00
Adam Rutkowski
5fb4d68c7f
Remove get and set from metadata raw ifc
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Memcopy based metadata interface is an unnecessary
overhead and is being removed.
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2020-12-20 15:09:50 +01:00
Rafal Stefanowski
38e7e19290
Update copyright statements
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Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2020-04-28 13:37:54 +02:00
Adam Rutkowski
41d3542952
Lock collision page in metadata flush
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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2019-09-25 14:26:15 -04:00
Adam Rutkowski
5684b53d9b
Adding collision table locks
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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2019-09-24 22:59:35 -04:00
Robert Baldyga
4b1a3fa4b5
Simplify metadata_raw interface
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2019-08-03 20:04:23 +02:00
Adam Rutkowski
dfd89dd43a
Probe core UUIDs from metadata
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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2019-04-17 14:07:42 -04:00
Robert Baldyga
6cd84476f6
Handle metadata asynchronously
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2019-03-26 12:49:23 +01:00
Robert Baldyga
db92083432
Unify req naming convention (rq -> req)
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2018-12-12 13:36:34 +01:00
Robert Baldyga
d862778e2b
Remove legacy io completion API
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2018-12-12 11:20:41 +01:00
Robert Baldyga
a8e1ce8cc5
Initial commit
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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2018-11-29 15:14:21 +01:00
