[Qemu-devel] [PATCH 01/10] RFC: Add save and support snapshot dependency function to block driver.

2018-03-15 Thread junyan . he
From: Junyan He We want to support incremental snapshot saving, this needs the file system support dependency saving. Later snapshots may ref the dependent snapshot's content, and most time should be cluster aligned. Add a query function to check whether the file system

[Qemu-devel] [PATCH 01/10] RFC: Add save and support snapshot dependency function to block driver.

2018-03-13 Thread junyan . he
From: Junyan He We want to support incremental snapshot saving, this needs the file system support dependency saving. Later snapshots may ref the dependent snapshot's content, and most time should be cluster aligned. Add a query function to check whether the file system