SolidWallOfCode commented on a change in pull request #6995:
URL: https://github.com/apache/trafficserver/pull/6995#discussion_r454467261
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File path: iocore/cache/Cache.cc
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@@ -2586,6 +2588,37 @@ cplist_update()
cp = cp->link.next;
}
}
+
+ // Look for (exclusive) spans forced to a specific volume but not yet
referenced by any volumes in cp_list,
+ // if found then create a new volume. This also makes sure new exclusive
disk volumes are created first
+ // before any other new volumes to assure proper span free space calculation
and proper volume block distribution.
+ for (config_vol = config_volumes.cp_queue.head; config_vol; config_vol =
config_vol->link.next) {
+ if (nullptr == config_vol->cachep) {
+ // Find out if this is a forced volume assigned exclusively to a span
which was cleared (hence not referenced in cp_list).
+ // Note: non-exclusive cleared spans are not handled here, only the
"exclusive"
+ for (int d_no = 0; d_no < gndisks; d_no++) {
+ if (gdisks[d_no]->forced_volume_num == config_vol->number) {
+ CacheVol *new_cp = new CacheVol();
+ if (nullptr != new_cp) {
+ new_cp->disk_vols = (DiskVol **)ats_malloc(gndisks *
sizeof(DiskVol *));
Review comment:
No C-style casts.
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