On Wed, 6 Jul 2022, Yu Kuai wrote: > From: Yu Kuai <yukuai3@xxxxxxxxxx> > > Test procedures: > > 1) format a dm writecache device with 4k blocksize. > 2) flush cache. > 3) cache 1G data through write. > 4) clear stats. > 5) read 2G data with bs=1m. > 6) read stats. > > Expected result: > cache hit ratio is 50%. > > Test result: > stats: 0, 1011345, 749201, 0, 263168, 262144, 0, 0, 0, 0, 0, 0, 0, 0 > ratio is 99% (262144/263168) Hi Here I'm providing patches that change the dm-writecache counting from requests to blocks. Mike, you can queue them for the next merge window. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
