Adam Rutkowski
196437f9bc
Zero superblock before writing metadata
...
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
...
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
...
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()
...
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2021-09-06 13:49:21 +02:00
Rafal Stefanowski
6ed4cf8a24
Update copyright statements (2021)
...
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2021-01-21 13:17:34 +01:00
Adam Rutkowski
3eb5568608
rename segment->segment_id and segemnt_ops->segment
...
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2020-12-20 16:35:53 +01:00
Rafal Stefanowski
38e7e19290
Update copyright statements
...
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
2020-04-28 13:37:54 +02:00
Michal Rakowski
9f4536c6e3
Error codes in IO path changed to OCF-specific
...
Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>
2019-06-05 09:10:54 +02:00
Adam Rutkowski
dfd89dd43a
Probe core UUIDs from metadata
...
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
2019-04-17 14:07:42 -04:00
Jan Musial
5d6277e7cf
Fix flushing of volatile metadata containers
...
Before async metadata we used to return 0 on flushing volatile
containers, this way we didn't have to special-case them.
This change brings back this behavior.
Signed-off-by: Jan Musial <jan.musial@intel.com>
2019-04-08 12:39:53 +02:00
Robert Baldyga
6cd84476f6
Handle metadata asynchronously
...
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)
...
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
...
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2018-12-12 11:20:41 +01:00
Robert Baldyga
a8e1ce8cc5
Initial commit
...
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2018-11-29 15:14:21 +01:00
