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Author SHA1 Message Date
Ming-Hung Tsai
86139cf6bd [sm_recursive] Fix atomicity when applying BOPs 
Any BOP should be taken only once. Therefore, we should remove BOPs
that are being processed or had been processed from the uncommitted
list.
 2020-05-28 17:30:15 +08:00
Joe Thornber
4cdffafe88 [sm_recursive] Fix bug that allowed the same block to be allocated twice. 
See issue 70.  Soln from mingnus.
 2020-05-28 17:30:15 +08:00
Ming-Hung Tsai
0f2918e989 [thin_generate_metadata] Implement format_metadata and create_thin 2020-05-28 17:30:15 +08:00
Ming-Hung Tsai
0c6d132774 [thin_generate_metadata] Preparation for revising the features 2020-05-28 15:09:20 +08:00
Joe Thornber
128ecc27f2 [space-maps] remove count_possibly_greater_than_one 
This is only ever called with a recursive space map wrapper,
and that causes too many false positives.  False positives trigger
a copy of a metadata page, so this is a false economy.
 2020-05-28 07:38:58 +01:00
Joe Thornber
29cfdd8979 [space-maps/core] rewrite the core space map to use less memory. 2020-05-27 12:00:40 +01:00
Joe Thornber
e92ae10408 [thin_metadata_pack/unpack] Add version field to header. 2020-05-26 10:59:13 +01:00
Joe Thornber
9daa726870 [thin_metadata_pack/unpack] functional tests 2020-05-26 10:55:03 +01:00
Joe Thornber
a934a34d22 [thin_metadata_pack/unpack] Move the file magic nr before the compressed stream. 
Makes it easier to spot whether it's a pack file or not.
 2020-05-26 10:53:14 +01:00
Joe Thornber
d9e18fecf1
Merge pull request #135 from mingnus/master 
[thin_metadata_pack] Improve block scanning performance
 2020-05-26 09:53:27 +01:00
Joe Thornber
371d1bbd6e [space-maps/recursive] fix bug in flush_ops() 
Decrements weren't being passed down properly.
 2020-05-26 09:24:15 +01:00
Joe Thornber
50f8e792d3 [space-map] Make the version of inc/dec that take a count the only one. 2020-05-26 09:12:45 +01:00
Joe Thornber
cc806a0daa [space-maps/disk] add implementation for the variant of inc/dec that take a count 2020-05-26 08:57:13 +01:00
Joe Thornber
12b6157c5b [space-maps/recursive] lift a lock, and add a lock 2020-05-26 08:45:35 +01:00
Joe Thornber
0e54de95e1 [space-maps/recursive] Remove some code duplication. 2020-05-26 08:38:05 +01:00
Joe Thornber
65fcda062f [space-maps/recursive] Aggregate the BOPs 2020-05-26 08:30:52 +01:00
Joe Thornber
2ed089a83f [space-map] Add new virtual methods to inc or dec by a specific amount. 
Provide default implementation that just loops
 2020-05-26 08:29:52 +01:00
Joe Thornber
5e6eec1bb0 [recursive space map] switch to new form 'for' statements 2020-05-26 07:49:26 +01:00
Ming-Hung Tsai
c0106fc0b3 [thin_metadata_pack] Improve block scanning performance 2020-05-23 20:32:09 +08:00
Joe Thornber
0e1700fbe9 [thin_metadata_pack] First pass at pack/unpack 2020-05-22 14:11:48 +01:00
Joe Thornber
b7d20bce48 [dev-tools] Update dev tools to use non-template version of block_manager. 2020-05-01 14:11:33 +01:00
Joe Thornber
0882022120 [build] remove [DEP] compilation messages. 
It just means each file appears twice.
 2020-04-30 15:50:58 +01:00
Joe Thornber
4313469475 [all] Switch from boost::shared_ptr -> std::shared_ptr. 
Shared_ptr has moved into the standard library since these tools were
first written.
 2020-04-30 15:02:43 +01:00
Joe Thornber
e801cc607b [block_manager] Hard code block size to 4k. 
We're never going to use anything other than 4k, and by hard coding it we
avoid making block_manager a template.
 2020-04-30 14:30:01 +01:00
Joe Thornber
3e5de399a7 [functional tests] Remove dependency on the ThunderChez library. 
I've just moved the relevant code into the functional-tests dir.
 2020-04-30 12:07:42 +01:00
Joe Thornber
ad79b627a4 Merge branch 'master' of github.com:jthornber/thin-provisioning-tools 2020-04-08 12:30:26 +01:00
Joe Thornber
0098803345 [thinp_*] Make mtree_ref_counter derive from ref_counter. 
Slight performance hit, but I'd rather everything was derived
from ref_counter.

Also implement it!  Not sure why this wasn't done before.
 2020-04-08 12:24:37 +01:00
Joe Thornber
ed22bfcdda [space-map-disk] Add virtual destructor to index_store. 
Bug. Cleaning up index stores would not be correct.
 2020-04-08 12:23:28 +01:00
Joe Thornber
1481ed0f8a [ref_counter] Make ref_counter an abstract base class. 
Forces people to override correctly.

Also make no_op_ref_counter final.
 2020-04-08 12:22:28 +01:00
Joe Thornber
501299a4ee [cache_*] array ref_counter wasn't overloaded correctly. 
Major bug, explains some space map issues I've seen when
restoring cache metadata.
 2020-04-08 12:19:55 +01:00
Joe Thornber
8db3800e2c [base/application] One of the run methods wasn't overriding 2020-04-08 12:19:06 +01:00
Joe Thornber
0ccee1759e [various] Squash a couple of clang warning wrt friend declarations. 2020-04-08 12:18:24 +01:00
Joe Thornber
5e347dddbf [various] remove dead code. 
Squashes warnings from clang++
 2020-04-08 12:12:59 +01:00
Joe Thornber
ed44a1128f
Merge pull request #134 from Arusekk/issue-12 
Fix compilation with uClibc
 2020-03-25 15:00:28 +00:00
Arusekk
3ed3925370 Fix compilation with uClibc 
Closes #12
 2020-03-25 15:58:02 +01:00
Joe Thornber
47da81b6b7
Merge pull request #133 from mingnus/master 
Improve performance, and remove unused code
 2020-03-02 11:22:49 +00:00
Ming-Hung Tsai
7a1c6dc4bf [space-map-disk] improve performance of finding a free bitmap entry 
* Simply test the raw bitmap entries against zero, to avoid
  time-consumed reference-count value extraction.

* Improve the way of iterating entries inside a bitmap:
  Extract 64-bit of bitmap entries at once, and use bitwise shift
  to iterate through the entries.
 2020-02-29 17:39:17 +08:00
Ming-Hung Tsai
cb0a77e2ae [block-manager] remove unused copy-assignment operator 
block_cache::block is non-copyable, and so are the containing structures.
 2020-02-29 00:29:01 +08:00
Joe Thornber
70f11e0866
Merge pull request #132 from mingnus/master 
Fix potential file descriptor leak and compile flags
 2020-02-25 16:08:36 +00:00
Ming-Hung Tsai
57cae67ff1 [unit-tests] fix googletest compile flags 
googletest now requires c++11 compiler
 2020-02-23 15:41:20 +08:00
Ming-Hung Tsai
955e11bc28 [block-cache] fix potential file descriptor leak 
Encapsulate file descriptor into an object, to ensure that an fd will be
closed properly while exception raised, e.g., the block_cache throws
exception during the block_manager's construction.
 2020-02-23 15:41:16 +08:00
Ming-Hung Tsai
c85ea5ef76 [thin_check] factor out metadata_checker 2020-02-17 11:42:24 +00:00
Ming-Hung Tsai
d6a8c03aa2 [btree_damage_visitor] factor out non-template functions 2020-02-17 11:42:24 +00:00
Ming-Hung Tsai
e6a4ba53f0 [build] add options for gprof 2020-02-17 11:42:24 +00:00
Joe Thornber
5f2c3bed69 Add some ftests, and fixup whitespace from Nikhil's work 2019-10-28 11:52:21 +00:00
Nikhil Kshirsagar
cb055c90e5 Man page changes for corrupt superblock repair 2019-10-25 15:57:51 +05:30
Nikhil Kshirsagar
91b4714e38 Corrupt superblock repair 2019-10-25 15:02:56 +05:30
Joe Thornber
0fc7529c01 [cache_repair, thin_repair] fix bug introduced in recent patch 
I hadn't realised that check_file_exists() also checked that it was
a regular file, which we don't want for the couple of uses I recently
added.

This patch adds an optional arg must_be_regular_file, and defaults
it to true, preserving the original behaviour.  The recent additions
have this set to false.
 2019-10-14 09:21:38 +01:00
Joe Thornber
1dd7b454bb [thin_repair, cache_repair] Check input file exists earlier 
and zero superblock if we fail part way through a repair.

bz1499781
 2019-10-08 14:34:24 +01:00
Joe Thornber
a3b8e9db78 [thin_trim] remove all mention of --pool-inactive from man page. 
This option is obsolete now that we open O_EXCL.  If used a warning message
will be output.
 2019-10-07 13:32:52 +01:00