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verbose but cleaner logic to invalidate fuse cache

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This commit is contained in:
Chris Lu
2021-06-05 13:09:33 -07:00
parent d7638b73b5
commit e6ba2f9c37
1 changed files with 15 additions and 6 deletions
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17
weed/filesys/meta_cache/meta_cache_subscribe.go
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@@ -40,12 +40,21 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
newEntry = filer.FromPbEntry(dir, message.NewEntry) newEntry = filer.FromPbEntry(dir, message.NewEntry)
} }
err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry) err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry)
if err == nil && message.OldEntry != nil { if err == nil {
if message.OldEntry != nil && message.NewEntry != nil {
if message.OldEntry.Name == message.NewEntry.Name {
// no need to invalidate
} else {
oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
mc.invalidateFunc(oldKey)
newKey := util.NewFullPath(dir, message.NewEntry.Name)
mc.invalidateFunc(newKey)
}
} else if message.OldEntry == nil && message.NewEntry != nil {
// no need to invaalidate
} else if message.OldEntry != nil && message.NewEntry == nil {
oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name) oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
mc.invalidateFunc(oldKey) mc.invalidateFunc(oldKey)
if message.NewEntry != nil {
key := util.NewFullPath(dir, message.NewEntry.Name)
mc.invalidateFunc(key)
} }
} }