kdave

The most common checksum algorithms are using accelerated implementations, but only on x86_64. Also with some new CPU features even the native instructions may be slower (crc32c NI vs AVX512)....

Commit cd933616d48521d8ffad019924a747cd82ef677b added support to stream dump from another UID, not using `O_NOATIME` when opening the file. Add simple test case, the stream file can be trivial. The question is...

The --reflink option added in ef2640bceb8ec54779601ac5d5ee34e4990deea2 does not have a test case. This needs to create a temporary btrfs image with sample files (various file sizes) and then create filesystem...