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If the lvmcache_info_from_pvid() fails to find valid
info, invoke the lookup by dev, and only in this case
call lvmcache_info_from_pvid() again.
Also check for the result of info and return
error directly, so the NULL is not passed
to lvmcache_get_label().
If we fail to get memory for mutex, hash the mutex
or fail somewhere along pthread function calls
return allocated resources back and unlock vg_lock_map mutex.
Detect failure of dm_pool_strdup() and print error in fail path.
Save one extra strchr call - since we already know the distance
for the '=' character.
Drop stack trace from return after log_error().
When the abort_on_internal_errors is enabled, we aborted prior
the syslog logging output.
Since such fatal error gets level _LOG_FATAL it should
not be blocked by debug_level() check so lets move it further,
to get abort error logged also via syslog.
Since we are doing just dump and function doesn't report
any error, explicitely ignore return values from
dm_config_write_node and dm_asprintf.
Same applies for the logging function.
If no size is given, size defaults to 0, which in lvm_lv_snapshot will
allocate extents equal to the original LV be allocated for the new
snapshot.
Signed-off-by: Andy Grover <agrover@redhat.com>
Tabify
Remove use of asize, unneeded.
Don't initialize lvobj->parent_vgobj to NULL, the object ctor already
zeroed everything on alloc.
Redo call to lvm_lv_snapshot to use the liblvm snapshot implementation
we went with.
Add {}s to silence warning in lv_dealloc.
Rename snapshot function for consistency.
Update WHATS_NEW.
Signed-off-by: Andy Grover <agrover@redhat.com>
We can also use this for conversion between different mirror segment
types. Each new segment type converter then needs to check itself
whether the --stripes is applicable.
The motivation to grab the global lock is to avoid a scan and metadata parsing
for each PV, but the cost of obtaining metadata is _mostly_ mitigated by having
lvmetad around. Not taking the global lock improves throughput when multiple pvs
or related commands are running in parallel, like in RHEV.
Calling pvscan --cache with -aay on a PV without an MDA would spuriously fail
with an internal error, because of an incorrect assumption that a parsed VG
structure was always available. This is not true and the autoactivation handler
needs to call vg_read to obtain metadata in cases where the PV had no MDAs to
parse. Therefore, we pass vgid into the handler instead of the (possibly NULL)
VG coming from the PV's MDA.
Arghh, this was bad last-minute shortening of if() expression
in the commit 1ef9831018.
dm_tree_node_set_thin_pool_discard() must not run in the same
expression as check for non-power-2 discard, otherwise
there are 2 calls for dm_tree_node_set_thin_pool_discard
and whole setting of discards is missinterpretted.
In-relase fix it by using proper parentheses {}.
Remove no longer needed warning for unsuppoted discards
for non-power-2 lvcreate commands.
(Missed from the patch for the same update in lvchange made
by commit dde5a6c52b)
Function _ignore_blocked_mirror_devices was not release
allocated strings images_health and log_health.
In error paths it was also not releasing dm_task structure.
Swaped return code of _ignore_blocked_mirror_devices and
use 1 as success.
In _parse_mirror_status use log_error if memory allocation
fails and few more errors so they are no going unnoticed
as debug messages.
On error path always clear return values and free strings.
For dev_create_file use cache mem pool to avoid memleak.
Attempting pvmove on RAID LVs replaces the kernel RAID target with
a temporary pvmove target, ultimately destroying the RAID LV. pvmove
must be prevented on RAID LVs for now.
Use 'lvconvert --replace old_pv vg/lv new_pv' if you want to move
an image of the RAID LV.
In case we don't want to activate, autoactivate or have the
VG/LV read-only. Primarily targeted for the auto_activation_volume_list,
but it makes no harm for other settings (the part of the code
that reads these three settings is shared, but there's no
reason to separate it only for this change).
Rework thin feature detection to support runtime
section to allow to disable them selectively.
New lvm.conf option is born: global/thin_disabled_features
Support swapping of metadata device if the thin pool already
exists. This way it's easy to i.e. resize metadata or their
repair operation.
User may create some empty LV, replace existing metadata
or dump and restore them into bigger LV.
If the resume of preloaded node fails, do not leave such
node in the table - since it may not be easy to detach such
node later when the node is i.e. internal.
i.e. failing activation of the thin pool with mismatching
chunk size may leave -tpool device in the table, which
could have been then removed only by dmsetup command.
