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Before, we used to display "Can't remove open logical volume" which was
generic. There 3 possibilities of how a device could be opened:
- used by another device
- having a filesystem on that device which is mounted
- opened directly by an application
With the help of sysfs info, we can distinguish the first two situations.
The third one will be subject to "remove retry" logic - if it's opened
quickly (e.g. a parallel scan from within a udev rule run), this will
finish quickly and we can remove it once it has finished. If it's a
legitimate application that keeps the device opened, we'll do our best
to remove the device, but we will fail finally after a few retries.
Add dm_device_has_mounted_fs fn to check mounted filesystem on a device.
This requires sysfs directory to be correctly set via dm_set_sysfs_dir
(/sys by default). If sysfs dir is not used or it's set incorrectly,
dm_device_has_{holders,mounted_fs} will return 0!
If you specify the segment type (e.g. --type mirror) and the mirrors argument
as zero, it would result in a mirrored LV with only one image. While the device
may be valid in theory, it should not be allowed in practice. It also makes it
difficult on the conversion tools, since they react badly to single-image
mirrors.
seg->areas and seg->meta_areas. We also need to copy the memory from the
old arrays to the newly allocated arrays. The amount of memory to copy was
determined by seg->area_count. However, seg->area_count was being set to the
higher value after copying the 'seg->areas' information, but before copying
the 'seg->meta_areas' information. This means we were copying more memory
than necessary for 'seg->meta_areas' - something that could lead to a segfault.
Patch fixes Clang warnings about possible access via lv_name NULL pointer.
Replaces allocation of memory (strdup) with just pointer assignment
(since execve is being called anyway).
Checks for !*lv_name only when lv_name is defined.
(and as I'm not quite sure what state this really is - putting a FIXME
around - as this rather looks suspicios ??).
Add debug print of passed clvmd args.
(since data in statbuf are invalid).
Check whether sysconf managed to find _SC_PAGESIZE.
Report at least debug warning about failing unlink
(logging scheme here seems to be a different then in lvm).
Duplicate terminal FDs and use similar code as is made in clvmd
and cleanup warns about missing open/close tests.
FIXME: Looks like we already have 3 instancies of the same code in lvm repo.
It seems like test-suite is significantly slowed down on removal phase.
Maybe it should be part of generic teardown - though the reason of slowdown
should be also discovered - probably related to retry loop ?
When the srcdir == builddir we get the link on non-exectable file.
So make always sure fsadm.sh is executable script file.
Add cleanup target for lib/fsadm.
Compiler says variable may be used uninitialized. It can't be, but we
initialize the variable to NULL anyway. Also, remove the double initialization
of another variable.
When fsadm is test - it needs to execute lvm and fsadm from non-standard path
setting. So adding a support in fsadm script when user set LVM_BINARY, then
the lvm command invoced from fsadm will have the same PATH setting as before
entering fsadm command.
Needed for testing.
In case someone would use filename paths with spaces when changing
this script surround commands with '"'.
With default settings there is no change in behavior.
This bug showed up when trying to add a log to a mirror whose images are on
multiple devices. This is an intra-release regression and no WHATS_NEW
entry will be added. The error was introduce in the following commit:
2d8a2f35c7
The solution is to recognise in _alloc_init that if there are no mirrors
or stripes specified, then 'new_extents' should be zero.
to settle udev before calling deactivate_lv.
This is an intra-release regression (no WHATS_NEW entry required). It is
part of the fix for the current WHATS_NEW entry:
Work around resume_lv causing error LV scanning during splitmirror operation.
Currently test is skipped by default (since it needs code hack to work)
Check command line options to create & remove thin pools and thin volumes.
Activation code for thin LV support is missing, thus it only works without
driver loaded.
When user wants to remove thin pool - check if there are no thin volumes using it.
If so - query before removal (or -ff for no question) and remove them first.
LVM has huge set of options now - it's approaching 60 short-arg less options
and we get interesting case of misdetection for 'merge' option which has been
put into the middle of options with 'short_arg' - thus certainly past 65. (ASCII 'A').
To avoid confusion of short_arg with long_opt number - add '128' to all such
non-short-arg options.
When LV is unlinked, we want to catch problem in vg_validate,
that LV has changed.
i.e. catch LV has been removed and is no long thin_pool while still
being referenced by some thin volume.
