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from lock_vol() - otherwise it now attempts to acquire the lock and then
immediately releases it.
o Extend the id field in struct logical_volume to hold VG uuid + LV uuid
for format1. This unique lvid can be used directly when calling lock_vol().
o Add the VG uuid to vgcache to make VG uuid lookups possible. (Another
step towards using them instead of VG names internally.)
o #defines for common lock flag combinations
o Try out hyphens instead of colons in device-mapper names - does this
make messages containing filenames easier to read?
o rewrote activate.c to use dev-manager, I'm sure these two will merge
at some point.
o Rename is broken ATM
o dev-manager puts the calls through to fs.c for layers that have the
'visible' flag set.
slightly different from the current LVM1 method.
lvcreate --persistent y --minor 10 (to specify when created)
lvchange --persistent n (to turn off)
lvchange --persistent y --minor 11 (to change)
--persistent uses a new LV status flag stored on disk
minor number is stored on disk the same way as LVM1 does
(but major number stored is 0; any LVM1 major/minor setting gets lost)
lvchange -ay --minor 12 (to activate using minor 12, regardless of the
on-disk setting, which doesn't get changed)
--minor == -m
--persistent == -M
missing from a VG. (Linear targets use the device-mapper 'error' target
which returns ioerror; striped targets use '/dev/ioerror' for now - which must
already exist e.g. as a sufficiently large block device version of /dev/zero).
is active in the device-mapper.
o Many operations can be carried out regardless of whether the VG is
active or not.
o vgscan does not activate anything - use vgchange.
o Change lvrename to support renaming of active LVs.
o Remove '//' appearing in some pathnames.
o Dummy lv_check_segments() for compilation.
logical volumes. It includes:
format1 changes.
metadata.h changes.
lv_manip.c changed (striped allocation still not done though).
activate.c changes.
Nothing has been near a compiler as yet.
Alasdair can you look at changing display.c to use to output the mappings
in a more segment oriented format please ?
I haven't put the span list into struct physical_volume to represent allocated
extents. I think the burden of maintaining it for things like lv_extend may
out weigh it's uses.
