This patch suppresses error messages when copying between two arrays that support XCOPY each, but that cannot copy data between each other.
Signed-off-by: Mikulas Patocka <[email protected]> --- drivers/scsi/sd.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) Index: linux-4.4-rc4/drivers/scsi/sd.c =================================================================== --- linux-4.4-rc4.orig/drivers/scsi/sd.c 2015-12-07 16:58:48.000000000 +0100 +++ linux-4.4-rc4/drivers/scsi/sd.c 2015-12-07 16:59:09.000000000 +0100 @@ -1995,6 +1995,20 @@ static int sd_done(struct scsi_cmnd *SCp req->cmd_flags |= REQ_QUIET; } } + } else if (sshdr.asc == 0x26) { + switch (op) { + /* + * Copying between two arrays that support XCOPY, but + * cannot access each other. + */ + case EXTENDED_COPY: + if ((SCpnt->cmnd[1] & 0x1f) == 0) { + good_bytes = 0; + req->__data_len = blk_rq_bytes(req); + req->cmd_flags |= REQ_QUIET; + } + break; + } } break; default: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
