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In dev_manager_info 0 means error and 1 info is returned,
not that device exists (that value is part of info struct).
Fix query by uuid only (no name) which returns 0 when device
does not exist.
Support "wait before testing" using '+' in pvmove and lvconvert
interval. Doing so overrides the new default of sleeping after checking
the LV's progress.
Sleeping before checking progress can lead to extraneous polldaemons
being left running. These polldaemons would have otherwise exited had
they checked before sleeping. Checking progress before sleeping helps
workaround the subtly unreliable nature of "finished" state checking
in _percent_run.
Update test/t-mirror-names.sh to use '+' when providing its lvconvert
interval.
more descriptive message if locking fails instead of
"Locking type -1 initialisation failed."
Use read-only locking instead of misleading ignorelocking option
in message.
All this seems to do is provide a memory leak so remove it.
The only caller of _alloc_pv() later explicitly sets
pv->vg_name = fmt->orphan_vg_name so clearly this allocation
should be removed. I also saw no where in the code where
strncpy was used to assign pv->vg_name - only direct assignments
and strdup's.
DSO is currently not dl_close-ing pluing during it is unregister handling,
so clear structure and related counter, so there are no memory problems.
Futher fixes are needed.
merge completes. This narrows the scope of this "hack" (which still
needs a proper fix within the deptree).
This stops dmeventd from trying to access snapshot devices that were
already removed.
LVM2 test (rather than using the traditional loop device).
prepare_scsi_debug_dev currently assumes exclussive access to the
scsi_debug module. Any script that tries to use prepare_scsi_debug_dev
when scsi_debug is unavailable or already loaded into the kernel will be
skipped.
t-topology-support.sh shows how prepare_scsi_debug_dev function can be
used repeatedly (within a script) to test LVM2 ontop of a ramdisk-based
SCSI device w/ arbitrary scsi_debug features.
isn't already available (in /proc/mdstat).
switch to requiring 2.6.33 for the alignment_offset tests; 2.6.{31,32}
alignment_offset values aren't reliable. 2.6.33 _should_ have mkp's
alignment_offset fixes but so far it doesn't (as of 2.6.33-rc4).
For mirror repair (and similar tasks) it can happen that full
device rescan is issued from clvmd.
Because code can be in the middle of repair (calling suspend)
clvmd should never try to scan suspended devices
(otherwise it causes deadlock).
Also code must not change ignore_suspended_device flag when
doing refresh_filters (called from lvmcache scan code).
'const'. Be consistent with its use (and dev_manager_snapshot_percent()).
Pass 'lv' from dev_manager_snapshot_percent() to _percent() to
_percent_run(). _percent_run() always dereferenced 'lv' (when
initializing segh) even though it may have been NULL (as was the case
until now for dev_manager_snapshot_percent()).
If a "snapshot-origin" LV (snapshot-merge whose merge was deferred
becuase it was open) was passed to _percent_run() it would always return
100%.
Update _percent_run() to NOT return PERCENT_100 et. al. if
->target_percent() wasn't ever called and supplied 'lv' is a merging
origin. A default return of 100% does not work for snapshot-merge.
Also tweak a related lvconvert log_error() to include "Aborting merge."
bitmap tracking was switched from the e2fsprogs implementation to
the device-mapper implementation (dm_bitset_t). The latter has a
leading uin32_t field designed to hold the number of bits that are
being tracked. The code was not properly handling this change in
all places. Specifically, when getting the bitmap to/from disk.
Endian adjustments will likely need to be made on the accounting
field as well, since bitmaps are passed between machines on
start-up.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
