struct mmc_card *card;
int err = 0, ioc_err = 0;
+ /*
+ * The caller must have CAP_SYS_RAWIO, and must be calling this on the
+ * whole block device, not on a partition. This prevents overspray
+ * between sibling partitions.
+ */
+ if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
+ return -EPERM;
+
idata = mmc_blk_ioctl_copy_from_user(ic_ptr);
if (IS_ERR(idata))
return PTR_ERR(idata);
int i, err = 0, ioc_err = 0;
__u64 num_of_cmds;
+ /*
+ * The caller must have CAP_SYS_RAWIO, and must be calling this on the
+ * whole block device, not on a partition. This prevents overspray
+ * between sibling partitions.
+ */
+ if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
+ return -EPERM;
+
if (copy_from_user(&num_of_cmds, &user->num_of_cmds,
sizeof(num_of_cmds)))
return -EFAULT;
static int mmc_blk_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
- /*
- * The caller must have CAP_SYS_RAWIO, and must be calling this on the
- * whole block device, not on a partition. This prevents overspray
- * between sibling partitions.
- */
- if ((!capable(CAP_SYS_RAWIO)) || (bdev != bdev->bd_contains))
- return -EPERM;
-
switch (cmd) {
case MMC_IOC_CMD:
return mmc_blk_ioctl_cmd(bdev,
if (brq->data.error) {
if (need_retune && !brq->retune_retry_done) {
- pr_info("%s: retrying because a re-tune was needed\n",
- req->rq_disk->disk_name);
+ pr_debug("%s: retrying because a re-tune was needed\n",
+ req->rq_disk->disk_name);
brq->retune_retry_done = 1;
return MMC_BLK_RETRY;
}
}
if (rq_data_dir(req) == READ) {
brq->cmd.opcode = readcmd;
- brq->data.flags |= MMC_DATA_READ;
+ brq->data.flags = MMC_DATA_READ;
if (brq->mrq.stop)
brq->stop.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 |
MMC_CMD_AC;
} else {
brq->cmd.opcode = writecmd;
- brq->data.flags |= MMC_DATA_WRITE;
+ brq->data.flags = MMC_DATA_WRITE;
if (brq->mrq.stop)
brq->stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B |
MMC_CMD_AC;
brq->data.blksz = 512;
brq->data.blocks = packed->blocks + hdr_blocks;
- brq->data.flags |= MMC_DATA_WRITE;
+ brq->data.flags = MMC_DATA_WRITE;
brq->stop.opcode = MMC_STOP_TRANSMISSION;
brq->stop.arg = 0;
((card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN) ||
card->ext_csd.rel_sectors)) {
md->flags |= MMC_BLK_REL_WR;
- blk_queue_flush(md->queue.queue, REQ_FLUSH | REQ_FUA);
+ blk_queue_write_cache(md->queue.queue, true, true);
}
if (mmc_card_mmc(card) &&