David Teigland 66daedc6d2 skip indexing devices used by LVs in more commands ...

expands commit d5a06f9a7df5a43b2e2311db62ff8d3011217d74
  "pvscan: skip indexing devices used by LVs"

The dev cache index is expensive and slow, so limit it
to commands that are used to observe the state of lvm.
The index is only used to print warnings about incorrect
device use by active LVs, e.g. if an LV is using a
multipath component device instead of the multipath
device.  Commands that continue to use the index and
print the warnings:

  fullreport, lvmdiskscan, vgs, lvs, pvs,
  vgdisplay, lvdisplay, pvdisplay,
  vgscan, lvscan, pvscan (excluding --cache)

A couple other commands were borrowing the DEV_USED_FOR_LV
flag to just check if a device was actively in use by LVs.
These are converted to the new dev_is_used_by_active_lv().

2021-07-09 13:59:31 -05:00

..

lvmcache.c

skip indexing devices used by LVs in more commands

2021-07-09 13:59:31 -05:00

lvmcache.h

device usage based on devices file

2021-02-23 16:43:32 -06:00