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Author SHA1 Message Date
Ming-Hung Tsai
087a4711a5 [array (rust)] Implement array basis 2021-02-03 15:18:41 +08:00
Joe Thornber
9733ceb949
Merge pull request #158 from mingnus/main 
[cache_writeback] Support offset within the source and destination devices
 2021-01-20 11:06:21 +00:00
Ming-Hung Tsai
4c17076f09 [cache_writeback] Support offset within the source and destination devices 2021-01-20 12:02:13 +08:00
Joe Thornber
76ac202463
Merge pull request #157 from mingnus/main 
[build] Enable building the dev-tools for functional tests
 2021-01-12 09:02:43 +00:00
Ming-Hung Tsai
6a2fa73924 [build] Enable building the dev-tools for functional tests 
- Factor out the dev-tools into a stand-alone, no-installed program
- Built the dev-tools if --enable-testing is specified
- Remove the --enable-dev-tools configure option
- Allow suffix on the binary name
- Update symlinks
- Cleanup Makefile
 2021-01-12 16:08:51 +08:00
Ming-Hung Tsai
8d59a83f7c [functional-tests] Update thin_delta help text 2021-01-12 02:50:46 +08:00
Ming-Hung Tsai
ca7e79a828 Merge commit 'b67b587' into main 2021-01-12 02:50:12 +08:00
Joe Thornber
04e0eb3a66 [thin_restore (rust)] rewrite the btree_builder 
Now copes with adding shared leaves.
 2020-12-09 13:22:32 +00:00
Joe Thornber
443b3c8f0b [io_engine (rust)] get_nr_blocks() wasn't handling block devices. 
Now calls file_utils::file_size()
 2020-12-02 15:20:14 +00:00
Joe Thornber
ba7fd7bd2b [thin_check (rust)] Make --sync-io the default. 
For some systems you have to adjust the ulimits to get io_uring
to work, so we now default to using sync io.

Also added --async-io flag.
 2020-12-02 11:33:05 +00:00
Joe Thornber
0e4622f337 [Rust tools] squash lots of warnings 2020-12-01 11:50:32 +00:00
Joe Thornber
327fc80fb0 Merge branch 'main' into 2020-10-09-thin-restore-rewrite 2020-11-25 11:20:28 +00:00
Joe Thornber
83eea11d12
Merge pull request #155 from mingnus/thin-check-fix-metadata-leaks 
thin_check fixes
 2020-11-24 10:30:35 +00:00
Ming-Hung Tsai
565c656ed2 [thin_generate_damage] Do not open a new transaction to prevent ref-count underflow 
There's a chance that thin_generate_damage tries to change ref-counts of
space map blocks due to its random nature, which could lead to problems.
If the ref-counts of metadata space map blocks (shadow source) is changed
to zero, then the ref-counts will become underflow after a shadow operation.

In-place space map modification is a way to prevent that value underflow.
An alternative approach is to avoid changing ref-counts of space map blocks.
 2020-11-24 18:18:21 +08:00
Ming-Hung Tsai
c932a76f08 [unit-tests] Add underfull nodes counting tests 2020-11-24 18:18:21 +08:00
Ming-Hung Tsai
61f07573e1 [metadata_counter] Count under populated nodes if the option is provided 2020-11-24 18:18:21 +08:00
Ming-Hung Tsai
1fe8a0dbde [thin_check] Allow using --clear-needs-check and --skip-mappings together 
Although it is not recommended to clear the flag without a full
examination, however, the usage has been documented as an approach
to reduce lvchange run time [1]. For the purpose of backward
compatibility and avoiding boot failure after upgrading thin_check [2],
the limitation is now removed.

[1] https://wiki.archlinux.org/index.php/LVM#Thinly-provisioned_root_volume_device_times_out
[2] Community feedback on previous commit:
    https://github.com/jthornber/thin-provisioning-tools/commit/b278f4f
 2020-11-24 18:17:36 +08:00
Ming-Hung Tsai
f364de35bc [unit-tests] Fix unflushed trashed blocks and variable referencing 2020-11-24 17:55:17 +08:00
Joe Thornber
5af95167b4
Merge pull request #154 from mingnus/main 
thin development tools update
 2020-11-24 09:31:23 +00:00
Ming-Hung Tsai
becdbbdb49 [build] Update Rust package version 2020-11-24 16:03:58 +08:00
Ming-Hung Tsai
7ceb500fc8 [thin_delta] Support comparing two specific subtrees 2020-11-24 15:58:01 +08:00
Ming-Hung Tsai
1d5b52b0dd [thin_delta] Clean up duplicated code 2020-11-24 15:17:35 +08:00
Ming-Hung Tsai
b42408ef41 [thin] Introduce thin_patch_superblock to override superblock fields 2020-11-24 14:57:05 +08:00
Joe Thornber
1ae62adec6 work in progress 2020-11-18 14:33:56 +00:00
Joe Thornber
37ea0280df [thin_restore] first pass at btree_builder. 
No tests yet
 2020-10-26 12:05:27 +00:00
Joe Thornber
f60ae770c2 [thin_explore] Explore devices tree, including path support. 2020-10-15 11:53:09 +01:00
Joe Thornber
c42b623e39 Merge branch '2020-08-13-thin-check-rewrite' into main 2020-10-09 11:21:12 +01:00
Joe Thornber
e9fbcc31de [thin_dump (rust)] First pass at thin_dump. 
Doesn't include --repair.

This includes <def> and <ref> sections for shared regions.
 2020-09-28 15:45:13 +01:00
Joe Thornber
a88ae3ca18 [thin_check (rust)] factor out device detail 2020-09-25 09:59:16 +01:00
Joe Thornber
66b6a1ba48 [thin_check (rust)] --superblock-only, --skip-mappings, INFO fields 2020-09-24 13:55:58 +01:00
Joe Thornber
34052c540c [thin_check (rust)] Reinstate walk_node_threaded 2020-09-24 09:40:38 +01:00
Joe Thornber
b67b587a10 [thin_shrink] Add comment pointing people at Nikhil's PoC 2020-09-22 12:01:17 +01:00
Joe Thornber
f4c3098e02 [thin_check (rust)] fix bug in key range splitting. 
Ranges were not being ommitted when a block was ommitted due to
being shared and already visited.
 2020-09-22 10:47:23 +01:00
Joe Thornber
819fc6d54c [thin_explore] accept a node path on the command line 
Helpful to examine thin_check failures.
 2020-09-22 10:47:04 +01:00
Joe Thornber
b193d19603 [thin_check (rust)] output complete node paths with errors. 
This can be used with thin_explore
 2020-09-18 11:16:09 +01:00
Joe Thornber
bc058f8baf [thin_check (rust)] BTree values must now implement Copy 2020-09-18 10:06:33 +01:00
Joe Thornber
bcfb9a73a1 [thin_explore] display ranges where possible 2020-09-18 09:12:51 +01:00
Joe Thornber
8493cf7081 [thin_explore] First code drop 2020-09-16 15:10:01 +01:00
Joe Thornber
5168621f02 [thin_check (rust)] Optimise SyncIoEngine 
*_many no longer get/put for each block
 2020-09-02 13:28:16 +01:00
Joe Thornber
44142f657a [thin_check (rust)] Add error handling to io_engine interface 2020-09-02 12:57:47 +01:00
Joe Thornber
b82307d8a5 [thin_check (rust)] drop O_DIRECT for the sync_io engine. 
O_DIRECT slows us down, and there's no correctness reason for having it.
 2020-08-21 11:39:41 +01:00
Joe Thornber
cda92de441 [thin_check (rust)] Add a threaded version of btree walk. 
Bottom level mappings use this if there are few devices.  Performance
is a bit slower for io_uring, and much slower for sync io (which I think
is due to io scheduling which I can't do much about).
 2020-08-21 10:10:49 +01:00
Joe Thornber
b01a0a46d1 [thin_metadata_pack/unpack] Use Vec::with_capacity() to avoid reallocs. 
Gives a small speed boost to both pack and unpack.
 2020-08-21 09:14:54 +01:00
Joe Thornber
c9a759b4e8 [thin_check (rust)] Use vec::with_capacity() to avoid reallocations. 2020-08-21 09:00:21 +01:00
Joe Thornber
2cc2dffab5 [thin_check (rust)] Make NodeVisitor::visit non mut. 
Preparation for making btree_walk multithreaded
 2020-08-20 11:05:14 +01:00
Joe Thornber
a1c206b774 [thin_check (rust)] NodeVisitor only needs to see leaf nodes 2020-08-20 10:55:38 +01:00
Joe Thornber
936e06e132 [thin_check (rust)] Remove some unused params from NodeVisitor::visit 2020-08-20 10:46:06 +01:00
Joe Thornber
1999343d2f [thin_check (rust)] squash a couple of warnings 2020-08-20 10:33:02 +01:00
Joe Thornber
0372e689e5 Merge branch '2020-08-13-thin-check-rewrite' 2020-08-19 14:32:40 +01:00
Joe Thornber
7834d661e2 [thin_check (rust)] auto repair space map leaks 2020-08-19 14:31:01 +01:00