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Cache check close RO opened device before reopen. 

When check_check is used with --clear-needs-check-flag option,
device needs to be opened in RW exclusive mode, but for this
existing RO exlusive open must be closed.

LVM2 will consider version 0.5.3 as a version without flag support
for cache_check since it cannot successfully pass cache_check.

TODO: when 'RO' parts detects there is nothing to 'clear' it should
completely skip RW open to avoid udev rule processing.
This commit is contained in:
Zdenek Kabelac 2015-07-15 13:54:21 +02:00 committed by Joe Thornber
parent 3a881e9513
commit 271ff67f91
1 changed files with 4 additions and 3 deletions
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7
caching/cache_check.cc
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@ -220,7 +220,9 @@ namespace {
write_superblock(bm, sb);
}
error_state metadata_check(block_manager<>::ptr bm, flags const &fs) {
error_state metadata_check(string const &path, flags const &fs) {
block_manager<>::ptr bm = open_bm(path, block_manager<>::READ_ONLY);
nested_output out(cerr, 2);
if (fs.quiet_)
out.disable();
@ -295,8 +297,7 @@ namespace {
throw runtime_error(msg.str());
}
block_manager<>::ptr bm = open_bm(path, block_manager<>::READ_ONLY);
err = metadata_check(bm, fs);
err = metadata_check(path, fs);
bool success = false;