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Since long_opt was changed to char[], we were only comparing pointers
that always exist, whereas the original intention of the test was
to verify the presence of a string
(i.e., checking that the first byte is not \0).
vgreduce --removemissing --force replaces a partial image
with an error target. When that image includes an integrity
layer, that layer needs to first be removed.
Fix logging of VDO configuration info message which has acutally
printed " and," using next element..
Increase the array element size so it can store >=5 bytes
for " and" + \0.
Similar to the pvmove update, enhance error path handling
for scenarios where legs or logs remain open and cannot be
closed during the splitting of a mirror image.
Remove the now obsolete _delete_lv() function,
as it will no longer be needed.
When the pvmove operation is completing, it attempts to deactivate
the temporary mirror and remove its mirror legs. However,
if an external tool holds these volumes open, the operation would
previously abort entirely, leaving the LVM2 metadata in a partially
unusable state that required manual administrative fixes.
To improve this, the code has been enhanced to handle such scenarios
more gracefully. It will now complete the pvmove operation even
if some volumes cannot be deactivated, marking them in the metadata
with an error segment. While the command will report errors,
the metadata will remain in a usable state. The administrator
can then remove the orphaned volumes when they are no longer in use.
Fix the code that limited the total number of backup files.
It failed, and left excess files, when the file version
number was greated than 9999, exceeding the four digit suffix.
Now, after version 9999, the suffix intentionally grows beyond
four digits as needed, and is not a fixed width, or zero padded.
Fix for recent commit "lvmlockd: free resource structs for LVs"
When a vg_write() fails in lvcreate, lvmlockd sees init_lv()
followed by free_lv(). The LV lock is not acquired prior to
free_lv, and no prior resource struct exists. This wasn't being
handled.
Previous commit 5f71cebcbecc37b5291018da35b3efe9636bf6c3 was not
correct. 4k requirement cannot be put on attribute_offset - where
it is valid to have this only 512b aligned.
The rule might get more complicated to recognized invalid values.
For this moment however add more easier requirement - we
impose 4K restriction on minimal and optimal io size if they
are bigger then 1 sector (512B).
Sscan may automatically add 0 after field width mark,
and since it's not exactlu trivial to do a macro calculation
for PATH_MAX - 1, rather make buffer for sscanf results bigger.
Also use matching FSTYPE_MAX as field width specifier.
lvm2 is caching DM nodes with the use of DM_LIST_DEVICES ioctl().
And tried to preserve the cached structure for the same list,
however there was 1 case where cache was empty, and new LIST ioctl
returned some elements - if this DM table change has happened
in the moment of 'scanning' and locking - lvm2 has then continued
to use 'invalid' empty cache.
Fix by capturing this missed case and update cache properly.
TODO: we could possibly use plain memcmp() with previous ioctl result.
Since we started to use DM cache now also for basic checks
whether the DM devices is present in DM table, this cache
now needs to be actually refreshed when the LOCK is taken.
This hiddenly happend if there was enabled 'scan_lvs' however
still not at the right place.
Move this explicit cache update call right after the moment
vg_read grabs the lock.
TODO: in the optimal case, we should mark the 'cache invalid'
and later refresh this cache, when the first reader appears,
but since this would be large patch, do this little fix step patch
first and improve performance later.
Once created, resource structs for LVs were never being freed.
If LVs are activated, then later removed or never used again,
the unused structs waste memory and cause the resource list
to grow.
