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When moving parts of striped LVs, pvmove wouldn't care about leaving you with
two stripes on the same disk. Now --alloc anywhere is needed for that.
(Tried and gave up on two alternative approaches before the one committed here.)
Small refactor of main places in the code where a pv is added to a
vg into a small function which adds the pv to the list and updates
the vg counts.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Refactor adding to the vg->pvs list and incrementing the count, which
will allow further refactoring. Should be no functional change.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Simple refactor to mov code that updates the vg extent counts from a
single pv's counts close to the code that adds a pv to vg->pvs and
updates vg->pv_count. No functional change.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
In add_pv_to_vg(), we should only add the pv to vg->pvs after all
internal checks have passed. The check for vg->extent_count exeeding
maximum was after we added the pv to the list, so this function could
return a state of vg->pvs that did not reflect other parameters such
as vg->pv_count.
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
to check for presence of this module and avoid using --frames
option for genhtml in this case.
Fix arg list for AC_PATH_PROG for lcov and genhtml.
(detecting empty LCOV and GENHTML string in Makefiles).
Patch fixes generation of coverage files for dmeventd and adds support for clvmd.
Path names are stripped, so the the html looks better.
Frames 'previews' is enabled for generated pages.
Using top_srcdir was wrong here - though we still can't easily use builddir.
Requiers using shell variables before execution of binaries build outside
of srcdir.
Because we have now strong rule for lock ordering:
- VG locks must be taken in alphabetical order
- ORPHAN locks must be the last
vgs_locked() is now not needed.
This fixes problem with orphan locking, e.g.
vgremove VG1 | vgremove VG2
lock(VG1) | lock(VG2)
lock(ORPHAN) | lock(ORPHAN) -> fail, non-blocking
https://bugzilla.redhat.com/show_bug.cgi?id=578413
(More similar places in code.)
Physical segments were still allocated from global
command context mempool.
This leads to very high memory usage when
activating large VG (vgchange).
(Memory usage was about 2G when >3000LVs).
Fix it by properly using vg->vgmem private pool,
so all the memory is released early.
New memory pool parameter is needed here for pv_split_segment
function.
Also fix the same problem in some minor allocations
(vg description, lv segment split).
In addition to previous patch, we really do not need
to search for segment which was just allocated in
split request.
Make pv_split_segment function return newly allocated
(split) segment also.
(So after this patch, there is only one user
of slow find_peg_by_pe).
