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Commit 1d8da4dc authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "scsi: Adjust DBD setting in mode sense for caching mode page per LLD"

parents 8b4d0e1b 1c4c6566

drivers/scsi/sd.c

+5 −1
Original line number Diff line number Diff line
@@ -2332,6 +2332,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) 
{

	int len = 0, res;

	struct scsi_device *sdp = sdkp->device;

	struct Scsi_Host *host = sdp->host;



	int dbd;

	int modepage;
@@ -2363,6 +2364,9 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) 
		dbd = 8;

	} else {

		modepage = 8;

		if (host->set_dbd_for_caching)

			dbd = 8;

		else

			dbd = 0;

	}

include/scsi/scsi_host.h

+7 −0
Original line number Diff line number Diff line
@@ -685,6 +685,13 @@ struct Scsi_Host { 
	 * units along with standard LUs.

	 */

	unsigned report_wlus:1;



	/*

	 * Set "DBD" field in mode_sense caching mode page in case it is

	 * mandatory by LLD standard.

	 */

	unsigned set_dbd_for_caching:1;



	/*

	 * Optional work queue to be utilized by the transport

	 */