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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2021-08-26 23:04:56 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2021-08-31 22:05:47 +0200 |
| commit | 88360b0c512d96dfe05c11362ff389ef6bfec6b4 (patch) | |
| tree | 322a8d948f88d8a00628ff23052c9970f1baef1f | |
| parent | 62c599f78151e65105c92c87ac406e3f3f360b1a (diff) | |
| download | lvm2-88360b0c512d96dfe05c11362ff389ef6bfec6b4.tar.gz | |
vdo: skip zeroing for VDO LV
Since VDO is always returns 'zero' on unprovisioned read
and every provisioned block is always 'zeroed' on partial writes,
we can avoid 'zeroing' of such LVs.
| -rw-r--r-- | lib/metadata/lv_manip.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/metadata/lv_manip.c b/lib/metadata/lv_manip.c index a26d3d533..730e3f0df 100644 --- a/lib/metadata/lv_manip.c +++ b/lib/metadata/lv_manip.c @@ -8073,6 +8073,10 @@ static int _should_wipe_lv(struct lvcreate_params *lp, first_seg(first_seg(lv)->pool_lv)->zero_new_blocks)) return 0; + /* VDO LV do not need to be zeroed */ + if (lv_is_vdo(lv)) + return 0; + if (warn && (lv_passes_readonly_filter(lv))) { log_warn("WARNING: Read-only activated logical volume %s not zeroed.", display_lvname(lv)); |