@@ -227,8 +227,8 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
* @sshdr: optional decoded sense header
* @timeout: request timeout in seconds
* @retries: number of times to retry request
- * @flags: flags for ->cmd_flags
- * @rq_flags: flags for ->rq_flags
+ * @flags: REQ_* flags for ->cmd_flags
+ * @is_pm_req: whether or not this is a power management request
* @resid: optional residual length
*
* Returns the scsi_cmnd result field if a command was executed, or a negative
@@ -237,7 +237,7 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
unsigned char *sense, struct scsi_sense_hdr *sshdr,
- int timeout, int retries, u64 flags, req_flags_t rq_flags,
+ int timeout, int retries, u64 flags, bool is_pm_req,
int *resid)
{
struct request *req;
@@ -260,7 +260,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
rq->retries = retries;
req->timeout = timeout;
req->cmd_flags |= flags;
- req->rq_flags |= rq_flags | RQF_QUIET | RQF_PREEMPT;
+ req->rq_flags |= (is_pm_req ? RQF_PM : 0) | RQF_QUIET | RQF_PREEMPT;
/*
* head injection *required* here otherwise quiesce won't work
@@ -1620,7 +1620,7 @@ static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr)
* flush everything.
*/
res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, sshdr,
- timeout, SD_MAX_RETRIES, 0, RQF_PM, NULL);
+ timeout, SD_MAX_RETRIES, 0, true, NULL);
if (res == 0)
break;
}
@@ -3469,7 +3469,7 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
return -ENODEV;
res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
- SD_TIMEOUT, SD_MAX_RETRIES, 0, RQF_PM, NULL);
+ SD_TIMEOUT, SD_MAX_RETRIES, 0, true, NULL);
if (res) {
sd_print_result(sdkp, "Start/Stop Unit failed", res);
if (driver_byte(res) & DRIVER_SENSE)
@@ -6976,7 +6976,7 @@ ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp)
ret = scsi_execute(sdp, cmd, DMA_FROM_DEVICE, buffer,
UFSHCD_REQ_SENSE_SIZE, NULL, NULL,
- msecs_to_jiffies(1000), 3, 0, RQF_PM, NULL);
+ msecs_to_jiffies(1000), 3, 0, true, NULL);
if (ret)
pr_err("%s: failed with err %d\n", __func__, ret);
@@ -7037,12 +7037,13 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
cmd[4] = pwr_mode << 4;
/*
- * Current function would be generally called from the power management
- * callbacks hence set the RQF_PM flag so that it doesn't resume the
- * already suspended childs.
+ * This function is typically called from a power management
+ * callback. Hence submit the START request as a power management
+ * request too so that it doesn't resume the already suspended
+ * children.
*/
ret = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
- START_STOP_TIMEOUT, 0, 0, RQF_PM, NULL);
+ START_STOP_TIMEOUT, 0, 0, true, NULL);
if (ret) {
sdev_printk(KERN_WARNING, sdp,
"START_STOP failed for power mode: %d, result %x\n",
@@ -414,7 +414,7 @@ extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
unsigned char *sense, struct scsi_sense_hdr *sshdr,
int timeout, int retries, u64 flags,
- req_flags_t rq_flags, int *resid);
+ bool is_pm_req, int *resid);
static inline int scsi_execute_req(struct scsi_device *sdev,
const unsigned char *cmd, int data_direction, void *buffer,
unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout,
The second last argument of scsi_execute() is either 0 or RQF_PM. Change the type of that argument from req_flags_t into bool and update the callers that pass RQF_PM. This patch does not change any functionality. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Ming Lei <ming.lei@redhat.com> --- drivers/scsi/scsi_lib.c | 8 ++++---- drivers/scsi/sd.c | 4 ++-- drivers/scsi/ufs/ufshcd.c | 11 ++++++----- include/scsi/scsi_device.h | 2 +- 4 files changed, 13 insertions(+), 12 deletions(-)