Hello, On Sun, Aug 21, 2016 at 11:23:17PM -0500, Shaun Tancheff wrote: > At some point the method of issuing Write Same for ATA drives changed. > Currently write same is commonly available via SCT so expose the SCT > capabilities and use SCT Write Same when it is available. > > This is useful for zoned based media that prefers to support discard > with lbprz set, aka discard zeroes data by mapping discard operations to > reset write pointer operations. Conventional zones that do not support > reset write pointer can still honor the discard zeroes data by issuing > a write same over the zone. > > It may also be nice to know if various controllers that currently > disable WRITE SAME will work with the SCT Write Same code path: > aacraid, arcmsr, megaraid, 3w-9xxx, 3w-sas, 3w-xxxx, gdth, hpsa, ips, > megaraid, pmcraid, storvsc_drv Applied 1-4 to libata/for-4.9. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
