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Use configure detection instead of trying to directly include
blkid.h inside lvresize.c - where we do not pass in BLKID_CFLAGS
and since we actually do not need to use blkid there, introeduce
test variable HAVE_BLKID_SUBLKS_FSINFO and avoid trying to
use blkid.h in this place - this also fixes builing problem for
systems without blkid.h.
`AS_IF([...])` is more portable, as it respects macro expansions of
`AC_REQUIRE()`.
This is recommended Autoconf best practice, since in nested
conditionals, it is generally unknowable whether some macro invokes
`AC_REQUIRE()` deep down:
https://www.gnu.org/software/autoconf/manual/autoconf-2.71/html_node/Common-Shell-Constructs.html#index-AS_005fIF-1
As a result, the hacky `pkg_config_init` function is not needed
anymore, since any `PKG_*` invocation will ensure that
`PKG_PROG_PKG_CONFIG` will have been called, due to the fact that
`AC_REQUIRE()` will trickle up.
`[[ ... ]]` only works in bash, and not in POSIX sh, specifically
dash fails on this, which is a popular alternative to bash for running
configure scripts.
test's `-a` and `-o` options are considered obsolescent by POSIX,
because they interact badly with expressions and can become ambiguous
depending on string arguments:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
`==` only works in bash.
Fix hang of vgimportclone command when:
the PV(s) being imported are not actually clones/duplicates, and
the -n vgname arg is the same as the current vgname.
(Not the intended use of the command, but it should still work.)
In this case, the old and new vgnames ended up being the same, when
the code expected they would be different. A file lock on both the
old and new vgnames is used, so when both flocks are on the same
file, the second blocks indefinitely.
Fix the new vgname to be the old name plus a numeric suffix, which
is the expected result.
Follow-up for e10f67e917.
The commit e10f67e917 tries to keep device
node symlinks even if the device is in the suspended state. However,
necessary properties that may previously obtained by the blkid command
were not imported at least in the .rules file. So, unless ID_FS_xyz
properties are imported by another earlier .rules file, the device node
symlinks are still lost when event is processed in the suspended state.
Let's explicitly import the necessary properties.
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=2158628
GHPR: https://github.com/lvmteam/lvm2/pull/105
We used KERNEL=="device-mapper", NAME="/dev/mapper/control" udev rule to
create the /dev/mapper/control file. The "NAME" rule should be only used
to rename network devices, otherwise udev issues a warning message. The
device-mapper driver has proper DEVNAME=/dev/mapper/control propagated
in the uevent environment when it is loaded so we don't need further
instruction on where to create the node - udev knows already.
Also, these days, it is created directly by kernel inside devtmpfs.
This makes the NAME="/dev/mapper/control" rule completely obsolete.
Since 67722b3123, we have a new mechanism
to run the autoactivation from udev. With this change, we also replaced
the way the LVM autoactivation service is instantiatiated - instead of
setting the SYSTEM_WANTS udev variable (which systemd read and then
instantiated the service), we're now directly instantiating the
transient 'lvm-activate-<vgname>' service by calling systemd-run.
As such, we don't need to bother with setting the SYSTEMD_READY variable
for foreign devices anymore (in this case, MD and loop devices on top of
which there's a PV).
Before, we set the SYSTEMD_READY variable to make sure that the SYSTEMD_WANTS
is applied correctly - the service instantiation was edge-triggered by
flipping the SYSTEMD_READY from 0 to 1 and at the same time having the
SYSTEMD_WANTS variable set to the service name to instantiate. We're
using systemd-run now so this condition does not apply anymore.
Also, it was not completely correct to set SYSTEMD_READY for foreign
devices because there might be cases where this could cause issues,
see also https://github.com/lvmteam/lvm2/issues/94.
When refreshing all LVs in a VG, skip processing of thick snapshots,
since they will be refreshed through its origin LV.
Should reduce some unnecessary ioctl().
Keep the conversion 64bit as on x32 arch time_t is 64bit value
and we may loose precision (y2038).
TODO: like use universal string for time printing as in log/log.c
_set_time_prefix()
When activating origin and its thick snapshots, ensure the
origin's LV udev processing is finished first and after this
reactivate its snapshot so the udev can scan them afterwards.
This should fix the problems for users using UUID of such device
in their fstab and occasionaly mounted snapshot instead of origin LV.
"vgchange -aay --autoactivation event" is called by our udev rule.
When the udev rule runs, symlinks for devices may not all be created
yet. If the regex filter contains symlinks, it won't work correctly.
This command uses devices that already passed through pvscan. Since
pvscan applies the regex filter correctly, this command inherits the
filtering from pvscan and can skip the regex filter itself.
See the previous commit
"pvscan: use alternate device names from DEVLINKS to check filter"
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>.
It looks like force was not being used to enable crypt resize,
but rather to force an inconsistency between LV and crypt
sizes, so this is either not needed or force in this case
should have some other meaning.
This reverts commit ed808a9b54.
Update previous commit
"lvresize: only resize crypt when fs resize is enabled"
to enable crypt resizing when --force is set and --resizefs
is not set. This is because it's been allowed in the past
and people have used it, but it's not a good idea.
There were a couple of cases where lvresize, without --fs resize,
was resizing the crypt layer above the LV. Resizing the crypt
layer should only be done when fs resizing is enabled (even if the
fs is already small enough due to being independently reduced.)
Also, check the size of the crypt device to see if it's already
been reduced independently, and skip the cryptsetup resize if
it's not needed.
While the output of building looks more polished, text editors fail to
find source file from compile errors - so until we start to print
all file with full paths - comment out this make build parameter.
Enhance checking vdo constains so it also handles changes of active VDO LVs
where only added difference is considered now.
For this also the reported informational message about used memory
was improved to only list consuming RAM blocks.
Introduce struct vdo_pool_size_config usable to calculate necessary
memory size for active VDO volume.
Function lv_vdo_pool_size_config() is able to read out this
configuration out of runtime DM table line.
Cover a case missed by the recent commit e0ea0706d
"report: query lvmlockd for lv_active_exclusively"
Fix the lv_active_exclusively value reported for thin LVs.
It's the thin pool that is locked in lvmlockd, and the thin
LV state was mistakenly being queried and not found.
Certain LV types like thin can only be activated exclusively, so
always report lv_active_exclusively true for these when active.
If one of the PVs in the VG does not hold metadata, then the
command would fail, thinking that PV was from a different VG.
Also add missing free on that error path.
typo used "cryptresize" as command name
this affects cases where the file system is resized
independently, and then the lvresize command is used
which only needs to resize the crypt device and the LV.
