On Wed, Apr 17, 2024 at 04:48:44PM -0700, Sandeep Dhavale wrote: > Add optimization to treat data blocks filled with 0s as a hole. > Even though diskspace savings are comparable to chunk based or dedupe, > having no block assigned saves us redundant disk IOs during read. > > To detect blocks filled with zeros during chunking, we insert block > filled with zeros (zerochunk) in the hashmap. If we detect a possible > dedupe, we map it to the hole so there is no physical block assigned. > > Signed-off-by: Sandeep Dhavale <dhav...@google.com>
Reviewed-by: Gao Xiang <hsiang...@linux.alibaba.com> Thanks, Gao Xiang
