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Commit ba8264d4 authored by Amit Pundir's avatar Amit Pundir
Browse files

ANDROID: USF: Fix MMC/UFS IO latency histograms 



Fix MMC/UFS IO latency histograms by aligning with the changes from
upstream commit aebf526b ("block: fold cmd_type into the REQ_OP_ space")

Fixes: android-4.9 commit e2d88788d5b0 ("ANDROID: MMC/UFS IO Latency Histograms.")
Signed-off-by: default avatarAmit Pundir <amit.pundir@linaro.org>
parent ab8e3036

drivers/scsi/ufs/ufshcd.c

+7 −4
Original line number Diff line number Diff line
@@ -2344,10 +2344,13 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 


	/* IO svc time latency histogram */

	if (hba != NULL && cmd->request != NULL) {

		if (hba->latency_hist_enabled &&

		    (cmd->request->cmd_type == REQ_TYPE_FS)) {

		if (hba->latency_hist_enabled) {

			switch (req_op(cmd->request)) {

			case REQ_OP_READ:

			case REQ_OP_WRITE:

				cmd->request->lat_hist_io_start = ktime_get();

				cmd->request->lat_hist_enabled = 1;

			}

		} else

			cmd->request->lat_hist_enabled = 0;

	}