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unknown: fix mempool used for name allocation

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Use cmd libmem mempool for name allocation, since mem mempool
is released after each clvmd command.
This commit is contained in:
Zdenek Kabelac 2014-04-17 10:42:41 +02:00
parent b5f8f452ac
commit 47a60369a0
3 changed files with 6 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.107 -
==================================
Use proper libmem mempool for allocation of unknown segment name.
Add --readonly to reporting and display tools for lock-free metadata access.
Add locking_type 5 for dummy locking for tools that do not need any locks.
Fix _recover_vg() error path when lock conversion fails.

2
lib/unknown/unknown.c
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@ -95,7 +95,7 @@ struct segment_type *init_unknown_segtype(struct cmd_context *cmd, const char *n
segtype->cmd = cmd;
segtype->ops = &_unknown_ops;
segtype->name = dm_pool_strdup(cmd->mem, name);
segtype->name = dm_pool_strdup(cmd->libmem, name);
segtype->private = NULL;
segtype->flags = SEG_UNKNOWN | SEG_VIRTUAL | SEG_CANNOT_BE_ZEROED;

4
test/shell/unknown-segment.sh
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@ -23,6 +23,10 @@ vgcfgrestore -f bak0 $vg
# we have on-disk metadata with unknown segments now
not lvchange -aey $vg/$lv1 # check that activation is refused
# try once more to catch invalid memory access with valgrind
# when clvmd flushes cmd mem pool
not lvchange -aey $vg/$lv1 # check that activation is refused
vgcfgbackup -f bak1 $vg
cat bak1
sed -e 's,unstriped,striped,;s,unmirror,mirror,' -i.orig bak1