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Commit Graph

6 Commits

Author SHA1 Message Date
David Teigland
d0b869e46a hints: fix non-empty hints list when not using hints
When hints are invalid and ignored, the list of hints
could be non-empty (from additions before an invalid
hint was found).  This confused the calling code which
was checking for an empty list to see if hints were used.
Ensure the list is empty when hints are not used.
2019-04-11 11:58:51 -05:00
David Teigland
0cc80ccfd5 hints: fix case of error getting device size
When checking hints, if there's an error getting
the device size, that should be equivalent to
seeing zero size.
2019-04-11 10:32:28 -05:00
David Teigland
0aa51a2f61 hints: fix recreating hints from pvscan
When aay was included in the pvscan --cache command,
the activation part was complaining about the unusual
state of the hint file since it had been recreated
just prior.
2019-02-13 15:23:43 -06:00
David Teigland
5f102b3421 hints: invalidate when pvscan --cache sees a new PV
An idea from Zdenek for better ensuring valid hints by invalidating
them when pvscan --cache <device> sees a new PV, which is a case
where we know that hints should be invalidated.  This is triggered
from systemd/udev logic, and there may be some cases where it would
invalidate hints that the existing methods wouldn't detect.
2019-01-16 15:34:20 -06:00
David Teigland
7b5abc3fb1 hints: fix hint flock when using lvm shell
also cmd->use_hints needs to be set for each shell command
2019-01-15 12:23:16 -06:00
David Teigland
6620dc9475 add device hints to reduce scanning
Save the list of PVs in /run/lvm/hints.  These hints
are used to reduce scanning in a number of commands
to only the PVs on the system, or only the PVs in a
requested VG (rather than all devices on the system.)
2019-01-15 10:23:47 -06:00