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Commit 0ce1b18c authored Sep 09, 2016 by Shaun Tancheff Committed by Tejun Heo Sep 09, 2016

libata: Some drives failing on SCT Write Same



Restrict support SCT Write Same to devices which also support ZAC where
support is required.

Reported-by: Mike Krinkin <krinkin.m.u@gmail.com>
Signed-off-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

parent 0b9e2988

drivers/ata/libata-scsi.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -3562,9 +3562,9 @@ static unsigned int ata_scsiop_maint_in(struct ata_scsi_args args, u8 rbuf)
		supported = 3;
		break;
		case WRITE_SAME_16:
		if (ata_id_sct_write_same(dev->id))
		supported = 3;
		if (!ata_id_sct_write_same(dev->id))
		break;
		/* fallthrough: if SCT ... only enable for ZBC */
		case ZBC_IN:
		case ZBC_OUT:
		if (ata_id_zoned_cap(dev->id) \|\|