[SCSI] sd: fix issue_flush
sd_issue_flush() is called from atomic context so we can't use the semaphore based routines to get a reference to the scsi_disk. Assume something else already got the reference so we can safely use it. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Родитель
2ef8919830
Коммит
c0ed79a331
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@ -769,20 +769,16 @@ static void sd_end_flush(request_queue_t *q, struct request *flush_rq)
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static int sd_prepare_flush(request_queue_t *q, struct request *rq)
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{
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struct scsi_device *sdev = q->queuedata;
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struct scsi_disk *sdkp = scsi_disk_get_from_dev(&sdev->sdev_gendev);
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int ret = 0;
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struct scsi_disk *sdkp = dev_get_drvdata(&sdev->sdev_gendev);
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if (sdkp) {
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if (sdkp->WCE) {
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memset(rq->cmd, 0, sizeof(rq->cmd));
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rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER;
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rq->timeout = SD_TIMEOUT;
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rq->cmd[0] = SYNCHRONIZE_CACHE;
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ret = 1;
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}
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scsi_disk_put(sdkp);
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}
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return ret;
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if (!sdkp || !sdkp->WCE)
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return 0;
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memset(rq->cmd, 0, sizeof(rq->cmd));
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rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER;
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rq->timeout = SD_TIMEOUT;
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rq->cmd[0] = SYNCHRONIZE_CACHE;
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return 1;
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}
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static void sd_rescan(struct device *dev)
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