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Author SHA1 Message Date
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
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This option is obsolete now that we open O_EXCL.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
Joe Thornber
6332962ee8 [ft-lib/bcache] rename raise() -> raise_() 
Name clash with signal.h on Debian and Gentoo.
 2019-06-05 15:02:05 +01:00
Joe Thornber
5e5409f48b [space-map/noop] Be explicit about returning an optional 
Needed for older version of g++
 2019-06-05 11:07:28 +01:00
Joe Thornber
f5acd0426d bump version 2019-06-04 10:39:59 +01:00
Joe Thornber
7be9be1494 [space-maps/noop] Add the noops space map 
Used when we know we're npt modifying the metadata.
 2019-06-04 10:38:58 +01:00
Joe Thornber
c19a05f28f bump version 2019-06-03 14:11:37 +01:00
Joe Thornber
733c7df798 [thin_repair/thin_dump] Fix some more spurious error messages when doing repair. 
Repair was falling back to non-repair behaviour if it thought the roots
were ok.  Now if --repair is specified the same dumping code is always
executed.
 2019-06-03 14:03:24 +01:00
Joe Thornber
e45a211902 [thin/metadata_dumper] Change a couple of confusing class names. 
metadata_emitter is actually a visitor that passes on it's data
to an encapsulated emitter object.

metadata_emitter -> metadata_emit_visitor
metadata_tree_emitter -> metadata_tree_emit_visitor
 2019-06-03 11:07:32 +01:00
Joe Thornber
a13178ffd1 Bump version 2019-05-28 09:24:22 +01:00
Joe Thornber
0624ded67f [thin_repair, thin_dump] Don't look for better roots if the ones in the sb are ok. 
Calculating the most recent trees is inexact, so trees other than the ones
in the superblock, which presumably are the most recent, could be chosen.
 2019-05-27 16:43:32 +01:00
Joe Thornber
5e6ddbf2da [thin_dump, thin_repair] Fix bad metadata_damage exception 
The first pass of the repair process scans all metadata working out the
largest orphan btrees.  This scan doesn't use as much validation as
the btree_walk function which subsequently gets called.

This patch catches any exceptions thrown by the btree walk function
and removes that btree from consideration.
 2019-05-27 16:06:59 +01:00
Joe Thornber
d299cc66d1 [functional-tests/thin_dump] check no error msg with clean metadata 2019-05-27 15:38:45 +01:00
Joe Thornber
acf2e6e625 [unit-tests] squash some warnings 
ASSERT_THAT(), defined in google-test needs to be wrapped in braces if
it's the only statement in an if block (dangling else).
 2019-05-27 09:19:14 +01:00
Joe Thornber
65264911c1 [thin_repair, thin_dump] --repair falg wasn't being passed through properly. 
Recent regression.
 2019-05-27 09:04:55 +01:00
Joe Thornber
9e87ad8298 bump version to 0.8.1 2019-05-03 15:19:06 +01:00
Joe Thornber
595ddfc50f [thin_repair/thin_dump] repair flag wasn't being set internally. 
Introduced by recent changes
 2019-05-03 15:15:01 +01:00
Joe Thornber
4bca324c9f Bump version to 0.8.0 2019-04-17 12:55:15 +01:00
Joe Thornber
9e20465fd1 [thin-repair, thin_dump] When repairing we now hunt for the best btree roots. 
We've had a trickle of users who accidentally activate the same pool on a
VM and host at the same time.  Typically the host doesn't do any IO, but
the kernel will still rewrite the superblock on shutdown.  This leaves
the superblock pointing to very out of date btree roots and so we get
massive metadata loss.

This patch changes thin_repair, and thin_dump --repair.  They now hunt
for the most recent, undamaged and consistent roots of the device and
mapping trees, and use that as the starting point of the repair.
 2019-04-17 12:17:13 +01:00
Joe Thornber
b027a1039f [thin-provisioning] Add a new constructor for the metadata class 
This one takes a superblock.  Used when repairing.
 2019-04-17 12:15:46 +01:00
Joe Thornber
b777a77023 [thin-provisioning] pass the tm by reference to the metadata object 2019-04-04 15:06:41 +01:00
Joe Thornber
aace49cdd6 [thin_repair] work in progress 2019-03-29 12:56:31 +00:00
Ming-Hung Tsai
8abac422b2 [space-map-disk] fix the search range (#117) 2019-01-03 10:46:35 +00:00
Joe Thornber
95ae4fef6a [functional tests] Use dd to create zeroed files 
Previously I was using fallocate, which has issues on some filesystems.
 2018-12-12 13:14:09 +00:00
Joe Thornber
e03b878df3 [functional tests] Move test output from /tmp to . 
tmpfs has trouble with O_DIRECT.
 2018-12-12 13:13:11 +00:00
Joe Thornber
cc56214eb8 Merge branch 'master' of github.com:jthornber/thin-provisioning-tools 2018-12-12 10:25:52 +00:00
Joe Thornber
207ef304c3 [era/restore_emitter] remove a noop 
Pointless self assignment.  Value in suerpblock does get assigned properly.
 2018-12-12 10:23:35 +00:00
kypiching
299a45cc7d Update bcache.c (#115) 
including the <stdint.h> twice. delete one.
 2018-11-12 08:18:48 +00:00
Joe Thornber
d1a41d01cc [thin-check] print out some info fields. 
These are consumed by lvm.
 2018-11-09 12:43:21 +00:00
Joe Thornber
5a309dd3bd Merge branch 'master' of github.com:jthornber/thin-provisioning-tools 2018-11-09 11:18:27 +00:00
Joe Thornber
de7c9a5781 [thin_journal_check] Checks journal of block manager activity. 
You need to apply doc/bm-journal.patch to create the journal.

thin_journal_check confirms that if the machine had crashed at any time
during the test run no metadata corruption would have occured.
 2018-09-24 14:51:46 +01:00
Ming-Hung Tsai
788f507e46 [run_set] fix invalid iterator operations (#113) 2018-09-05 11:21:09 +01:00
Joe Thornber
70cdfe12a2 [thin_journal_check] first code drop 2018-08-28 13:12:20 +01:00
Ming-Hung Tsai
9837feaee5 [thin_scan] refactoring and performance improvement (#111) 2018-08-15 07:56:45 +01:00
Joe Thornber
a512b8754b Revert "fix compile failed with libc musl (#103)" 
This reverts commit 9311aa6483.
 2018-08-02 07:12:22 +01:00
hongxu-jia
9311aa6483 fix compile failed with libc musl (#103) 
There is a failure while compiling with libc musl:
[snip]
|./block-cache/io_engine.h:18:17: error: expected
unqualified-id before numeric constant
|  unsigned const PAGE_SIZE = 4096;
[snip]

The musl defeines macro PAGE_SIZE, undef it conditionally
could fix the issue.

http://musl.openwall.narkive.com/tO8vrHdP/why-musl-define-page-size

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
 2018-08-01 07:10:26 +01:00
Joe Thornber
82ff03e5c1 Merge branch 'master' of github.com:jthornber/thin-provisioning-tools 2018-06-21 10:11:27 +01:00
Joe Thornber
68284c12a8 Merge branch '2018-04-25-thin-discard-bug' 2018-06-21 10:11:21 +01:00
Joe Thornber
498057d00e ft-lib: add discard() 2018-06-21 10:06:01 +01:00