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fix(flashnode): optimize computeAllocSize when there is a hole in dataSources.#1000080725

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Signed-off-by: baihailong <baihailong@oppo.com>
This commit is contained in:
baihailong 2025-04-27 10:31:07 +08:00 committed by zhumingze1108
parent efeeea3dcd
commit 30f483b8a5
1 changed files with 11 additions and 11 deletions
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22
flashnode/cachengine/block.go
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@ -507,17 +507,17 @@ func (cb *CacheBlock) notifyReady() {
// align AllocSize with PageSize-4KB
func computeAllocSize(sources []*proto.DataSource) (alloc uint64) {
for _, s := range sources {
blockOffset := s.FileOffset & (proto.CACHE_BLOCK_SIZE - 1)
blockEnd := blockOffset + s.Size_ - 1
pageOffset := blockOffset / proto.PageSize
pageEnd := blockEnd / proto.PageSize
if blockEnd < blockOffset {
return 0
}
for i := pageOffset; i <= pageEnd; i++ {
alloc += proto.PageSize
}
if len(sources) == 0 {
return
}
firstSource := sources[0]
lastSource := sources[len(sources)-1]
start := firstSource.FileOffset / proto.CACHE_BLOCK_SIZE * proto.CACHE_BLOCK_SIZE
end := lastSource.FileOffset + lastSource.Size_
alloc = end - start
if alloc%proto.PageSize != 0 {
alloc = (alloc/proto.PageSize + 1) * proto.PageSize
}
return
}