On 24.09.2016 00:21, Wouter Verhelst wrote: > On Fri, Sep 23, 2016 at 02:00:06PM -0500, Eric Blake wrote: >> My preference would be a new flag to the existing commands, with >> explicit documentation that 0 offset and 0 length must be used with that >> flag, when requesting a full-device wipe. > Alternatively, what about a flag that says "if you use this flag, the > size should be left-shifted by X bits before processing"? That allows > you to do TRIM or WRITE_ZEROES on much larger chunks, without being > limited to "whole disk" commands. We should probably make it an illegal > flag for any command that actually sends data over the wire, though. >
Note: if disk size is not aligned to X we will have to send request larger than the disk size to clear the whole disk. -- Best regards, Vladimir ------------------------------------------------------------------------------ _______________________________________________ Nbd-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nbd-general
