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Author SHA1 Message Date
Robert Baldyga
b25cd91b86 Remove unused ocf_metadata_load_unsafe() 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-29 20:31:43 +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
Robert Baldyga
4cabc60d40 Avoid loading runtime metadata sections during recovery 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-29 14:04:19 +01:00
Robert Baldyga
4625763df5 Return error on CRC mismatch during recovery 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-29 14:04:19 +01:00
Robert Baldyga
e73cbad2c7
Merge pull request #631 from mmichal10/dont-stop-cleaner 
Don't stop cleaner in activate rollback
 2021-12-27 16:51:32 +01:00
Robert Baldyga
6216669a64
Merge pull request #633 from robertbaldyga/fix-standby-detach-stop 
Fix cache stop after standby detach
 2021-12-27 12:05:22 +01:00
Robert Baldyga
0ac66ce4aa Fix cache stop after standby detach 
Don't attempt to close cache volume if cache is in standby detached state.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-23 22:39:37 +01:00
Michal Mielewczyk
a8bdba0cb2 Don't stop cleaner in activate rollback 
Activate is not responsible for starting cleaner so rollback shouldn't stop it
eiter.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-12-23 14:46:28 +01:00
Robert Baldyga
04da4fd4ef
Merge pull request #624 from beef9999/fix-completion-order 
fix volume_close completion order
 2021-12-22 12:38:02 +01:00
Bob Chen
b6de614ada fix volume_close completion order 
Signed-off-by: Bob Chen <beef9999@qq.com>
 2021-12-22 15:18:34 +08:00
Robert Baldyga
7fd118a734
Merge pull request #623 from Open-CAS/revert-620-fix-completion-order 
Revert "fix volume_close completion order"
 2021-12-21 20:34:58 +01:00
Robert Baldyga
a2916313ee
Revert "fix volume_close completion order" 2021-12-21 20:33:34 +01:00
Robert Baldyga
94ed3dc6d6
Merge pull request #620 from beef9999/fix-completion-order 
fix volume_close completion order
 2021-12-21 10:40:34 +01:00
chenbo
aa6e674034 fix volume_close completion order 2021-12-20 20:10:07 +08:00
Robert Baldyga
067f7ad074
Merge pull request #612 from robertbaldyga/fix-metadata-flapping 
Fix metadata flapping
 2021-12-16 13:08:58 +01:00
Robert Baldyga
0751b2c0c0 Fix metadata flapping 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-15 22:21:57 +01:00
Robert Baldyga
cac5869406
Merge pull request #603 from robertbaldyga/metadata-flapping 
Introduce flapping of metadata config sections
 2021-12-15 17:11:15 +01:00
Robert Baldyga
df9a9f2722 Read superblock sections from cache volume during activate 
Because of metadata flapping it is much more complicated to capture those
sections in flight in standby mode, so we read them directly from the cache
volume during the activate.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-15 15:30:34 +01:00
Robert Baldyga
98cb9bff70 pyocf: Use bigger cache device size in tests 
As amount of fixed size metadata allocated by OCF grows, we need to adjust
test to not try to start cache on device that is too small.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-15 15:30:34 +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
Robert Baldyga
058d701f8c
Merge pull request #607 from robertbaldyga/pyocf-add-error-codes 
pyocf: Add missing error codes
 2021-12-14 16:03:05 +01:00
Robert Baldyga
ee92a0fe7c
Merge pull request #610 from loyou/open-cas-linux-issue-1015 
Fix incorrect page count calculation with large PAGE_SIZE
 2021-12-14 16:02:38 +01:00
Neil Sun
7f82ef3048 Fix incorrect page count calculation with large PAGE_SIZE 
e.g., PAGE_SIZE 65536, cache line 8k.

fix https://github.com/Open-CAS/open-cas-linux/issues/1015

Signed-off-by: Sun Feng <loyou85@gmail.com>
 2021-12-14 20:07:59 +08:00
Robert Baldyga
6d1a5c733e pyocf: Add missing error codes 
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
 2021-12-13 15:58:59 +01:00
Robert Baldyga
60218759d2
Merge pull request #597 from rafalste/fix_core_zero_size_error 
Fix core-zero-size error
 2021-12-08 22:04:27 +01:00
Robert Baldyga
21c4673251
Merge pull request #600 from mmichal10/cleaning-cmpl 
Call completion if failed to perform cleaning
 2021-12-08 22:00:58 +01:00
Robert Baldyga
e3a58b93fa
Merge pull request #599 from mmichal10/use-after-free 
Fix a few memory management related issues
 2021-12-08 21:59:52 +01:00
Michal Mielewczyk
d6f2998890 Call completion if failed to perform cleaning 
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-12-08 14:50:50 +01:00
Michal Mielewczyk
911a5cddf0 Deinit all registered volume types 
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-12-08 14:16:49 +01:00
Michal Mielewczyk
655f732748 Don't access freed memory 
Instead of accessing memory of a freed IO, redo size calculations

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-12-08 14:16:49 +01:00
Michal Mielewczyk
244712b020 Prevent race condition in fast path 
Request submitted in fast path may be freed before the sequential cutoff stats
are updated. Increment request reference counter to prevent it.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-12-08 09:00:04 +01:00
Rafal Stefanowski
b57bad4652 Fix core-zero-size error 
Move error print to where it belongs, preventing this message to
pop up when same error code is reported elsewhere for other reason.

Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
 2021-12-06 12:30:29 +01:00
Robert Baldyga
aac21cab63
Merge pull request #592 from rafalste/makefile_fix 
Remove executable bit from Makefile
 2021-11-30 15:34:43 +01:00
Robert Baldyga
cba5d94241
Merge pull request #590 from arutk/fowd 
Remove option to failover without detach
 2021-11-30 15:33:35 +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
aeca11a9c9
Merge pull request #577 from arutk/sample_fix 
simple sample: offset handling fixes in data and volume
 2021-11-30 15:01:30 +01:00
Robert Baldyga
706bc8407b
Merge pull request #595 from arutk/passive_fix 
fix cacheline reset in passive metadata update
 2021-11-30 15:00:50 +01:00
Adam Rutkowski
b455a393dd extra assertion in metadata passive update 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-11-30 12:04:57 +01:00
Adam Rutkowski
d0b00817f3 fix cacheline reset in passive metadata update 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
 2021-11-30 19:34:52 +01:00
Robert Baldyga
63f5ba88c9
Merge pull request #591 from Open-CAS/fix_for_988_997 
Fix for issues #988 and #997
 2021-11-26 17:03:06 +01:00
Robert Baldyga
e72018bc02
Merge pull request #593 from robertbaldyga/ocf-err-min-max 
Introduce OCF_ERR_MIN/OCF_ERR_MAX
 2021-11-25 16:14:31 +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
decfc8dea6 Remove executable bit from Makefile 
Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
 2021-11-24 17:01:03 +01:00
Krzysztof Majzerowicz-Jaszcz
133ea307c8 Fix for issues #988 and #997 
This patch fixes the issue 988 (and 997) causing a kernel stack
overflow.

Signed-off-by: Krzysztof Majzerowicz-Jaszcz <krzysztof.majzerowicz-jaszcz@intel.com>
 2021-11-24 08:15:07 +01:00
Robert Baldyga
8669a296cc
Merge pull request #579 from mmichal10/fix-passive-update 
Maintaining runtime metadata structures in failover standby
 2021-11-19 16:53:54 +01:00
Michal Mielewczyk
4ab22ee2dc Maintain runtime struct during failover standby 
To allow the fastest switching from the passive-standby to active mode, the
runtime metadata must be kept 100% synced with the metadata on the drive and in
the RAM thus recovery is required after each collision section update.

To avoid long-lasting recovering of all the cachelines each time the collision
section is being updated, the passive update procedure recovers only those
which have its MD entries on the updated pages.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-11-19 11:58:09 +01:00
Michal Mielewczyk
a6989d1881 Pio concurrency 2021-11-19 11:58:09 +01:00
Michal Mielewczyk
52824adaaf Additional cleaning policy info outside of the SB 
Starting cache in a standby mode requires access to a valid cleaning policy
type. If the policy is stored only in the superblock, it may be overridden by
one of the metadata passive updates.

To prevent losing the information it should be stored in cache's runtime
metadata.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-11-19 11:53:48 +01:00
Michal Mielewczyk
0e529479d6 Init cleaner during passive start 
Initializing cleaning policy is very time consuming. To reduce the time required
for activating cache instance the initialization sholud be done during passitve
start

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-11-19 11:53:48 +01:00
Michal Mielewczyk
390e80794d Refactor cleaning policy initialization 
Extract cleaning policy initialization to a separate function

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
 2021-11-19 11:53:48 +01:00