up(&open_lock);
}
+static inline int mmc_blk_readonly(struct mmc_card *card)
+{
+ return mmc_card_readonly(card) ||
+ !(card->csd.cmdclass & CCC_BLOCK_WRITE);
+}
+
static int mmc_blk_open(struct inode *inode, struct file *filp)
{
struct mmc_blk_data *md;
if (md->usage == 2)
check_disk_change(inode->i_bdev);
ret = 0;
+
+ if ((filp->f_mode & FMODE_WRITE) &&
+ mmc_blk_readonly(md->queue.card))
+ ret = -EROFS;
}
return ret;
brq.data.flags |= MMC_DATA_READ;
} else {
brq.cmd.opcode = MMC_WRITE_BLOCK;
- brq.cmd.flags = MMC_RSP_R1B;
brq.data.flags |= MMC_DATA_WRITE;
brq.data.blocks = 1;
}
if (err)
goto out;
- printk(KERN_INFO "%s: %s %s %dKiB\n",
+ printk(KERN_INFO "%s: %s %s %dKiB %s\n",
md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
- (card->csd.capacity << card->csd.read_blkbits) / 1024);
+ (card->csd.capacity << card->csd.read_blkbits) / 1024,
+ mmc_blk_readonly(card)?"(ro)":"");
mmc_set_drvdata(card, md);
add_disk(md->disk);