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pvscan: use alternate device names from DEVLINKS to check filter

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pvscan --cache <dev> is called by our udev rule at a time when all
the symlinks for <dev> may not be created yet (by other udev rules.)
The regex filter in lvm.conf may refer to <dev> using a symlink name
that hasn't yet been created, which would cause <dev> to not match
the filter regex.  The DEVLINKS env var, set by udev, contains all
the symlink names for <dev> that have been or will be created.
So, we add all these symlink names to dev->aliases, as if we had
found them in /dev.  This allows <dev> to be recognized by a regex
filter containing a symlink for <dev>.
This commit is contained in:
David Teigland
2023-01-19 17:37:31 -06:00
parent d9f8acb65a
commit 17a3585cbb
4 changed files with 51 additions and 25 deletions
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lib/filters/filter-regex.c
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@ -179,7 +179,7 @@ static int _accept_p(struct cmd_context *cmd, struct dev_filter *f, struct devic
if (m >= 0) {
if (dm_bit(rf->accept, m)) {
if (!first)
if (!first && !cmd->filter_regex_set_preferred_name_disable)
dev_set_preferred_name(sl, dev);
return 1;