On Mon, May 30, 2011 at 10:36:10PM -0400, Martin K. Petersen wrote: > >>>>> "Greg" == <[email protected]> writes: > > Hey Greg, > > Greg> This is a note to let you know that I've just added the patch > Greg> titled > > Greg> libata: Use Maximum Write Same Length to report discard size > > Greg> to the 2.6.33-longterm tree which can be found at: > > This patch is for 2.6.39 only. It is required due to changes in the way > the SCSI discard support works in 2.6.39+. > > The relevant SCSI changes are not present in .33 and .38 so please > remove the patch from those trees. While the patch applies and looks > innocuous it will actually break things. > > (The long story is that we abused a SCSI protocol field for internal > purposes in older kernels. The functionality we needed finally > materialized in the latest SCSI Block Commands draft and in .39 we > switched over to doing things according to spec. However, the relevant > SCSI changes are too intrusive to be candidates for the stable trees).
Ah, thanks for the information, I'll go remove that patch from the other trees. Much appreciated, greg k-h _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
