@@ -4117,8 +4117,6 @@ static int sd_resume(struct device *dev)
{
struct scsi_disk *sdkp = dev_get_drvdata(dev);
- sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
-
if (opal_unlock_from_suspend(sdkp->opal_dev)) {
sd_printk(KERN_NOTICE, sdkp, "OPAL unlock failed\n");
return -EIO;
@@ -4135,12 +4133,13 @@ static int sd_resume_common(struct device *dev, bool runtime)
if (!sdkp) /* E.g.: runtime resume at the start of sd_probe() */
return 0;
+ sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
+
if (!sd_do_start_stop(sdkp->device, runtime)) {
sdkp->suspended = false;
return 0;
}
- sd_printk(KERN_NOTICE, sdkp, "Starting disk\n");
ret = sd_start_stop_device(sdkp, 1);
if (!ret) {
sd_resume(dev);
@@ -105,16 +105,15 @@ EXPORT_SYMBOL_GPL(ufshcd_mcq_config_mac);
* @hba: per adapter instance
* @req: pointer to the request to be issued
*
- * Return: the hardware queue instance on which the request would
- * be queued.
+ * Return: the hardware queue instance on which the request will be or has
+ * been queued. %NULL if the request has already been freed.
*/
struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba,
struct request *req)
{
- u32 utag = blk_mq_unique_tag(req);
- u32 hwq = blk_mq_unique_tag_to_hwq(utag);
+ struct blk_mq_hw_ctx *hctx = READ_ONCE(req->mq_hctx);
- return &hba->uhq[hwq];
+ return hctx ? &hba->uhq[hctx->queue_num] : NULL;
}
/**
@@ -515,6 +514,8 @@ int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag)
if (!cmd)
return -EINVAL;
hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(cmd));
+ if (!hwq)
+ return 0;
} else {
hwq = hba->dev_cmd_queue;
}
@@ -6456,6 +6456,8 @@ static bool ufshcd_abort_one(struct request *rq, void *priv)
/* Release cmd in MCQ mode if abort succeeds */
if (is_mcq_enabled(hba) && (*ret == 0)) {
hwq = ufshcd_mcq_req_to_hwq(hba, scsi_cmd_to_rq(lrbp->cmd));
+ if (!hwq)
+ return 0;
spin_lock_irqsave(&hwq->cq_lock, flags);
if (ufshcd_cmd_inflight(lrbp->cmd))
ufshcd_release_scsi_cmd(hba, lrbp);
One core change that moves a disk start message to a location where it will only be printed once instead of twice plus a couple of error handling race fixes in the ufs driver. The patch is available here: git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes The short changelog is: Damien Le Moal (1): scsi: sd: Do not repeat the starting disk message Peter Wang (2): scsi: ufs: core: Fix ufshcd_abort_one racing issue scsi: ufs: core: Fix ufshcd_clear_cmd racing issue And the diffstat: drivers/scsi/sd.c | 5 ++--- drivers/ufs/core/ufs-mcq.c | 11 ++++++----- drivers/ufs/core/ufshcd.c | 2 ++ 3 files changed, 10 insertions(+), 8 deletions(-) With full diff below James ---