On Tue, 7 Jan 2025 at 00:56, Takeshi Nishimura <takeshi.nishimura.linux@xxxxxxxxx> wrote: > > Dear list, > > how can we get ADB (WRITE_SAME) support in (Debian) Linux nfsd, and an > ioct() in Linux nfsd client to use it? > > We have a set of custom "big data" applications which could greatly > benefit from such an acceleration ABI, both for implementing "zero > data" (fill blocks with 0 bytes), and fill blocks with identical data > patterns, without sending the same pattern over and over again over > the network wire. > -- SMB3.0 implements support for writing one block to multiple locations in a file and Win32 FSCTL_SET_ZERO_DATA, so this would be a good thing for Linux to catch up with SMB Ced -- Cedric Blancher <cedric.blancher@xxxxxxxxx> [https://plus.google.com/u/0/+CedricBlancher/] Institute Pasteur