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UBI: add ioctl for unmap operation
[pandora-kernel.git]
/
drivers
/
mtd
/
ubi
/
cdev.c
diff --git
a/drivers/mtd/ubi/cdev.c
b/drivers/mtd/ubi/cdev.c
index
01d48ef
..
4cc31cf
100644
(file)
--- a/
drivers/mtd/ubi/cdev.c
+++ b/
drivers/mtd/ubi/cdev.c
@@
-536,13
+536,26
@@
static int vol_cdev_ioctl(struct inode *inode, struct file *file,
err = ubi_leb_map(desc, req.lnum, req.dtype);
break;
}
err = ubi_leb_map(desc, req.lnum, req.dtype);
break;
}
+
+ /* Logical eraseblock un-map command */
+ case UBI_IOCEBUNMAP:
+ {
+ int32_t lnum;
+
+ err = get_user(lnum, (__user int32_t *)argp);
+ if (err) {
+ err = -EFAULT;
+ break;
+ }
+ err = ubi_leb_unmap(desc, lnum);
+ break;
+ }
#endif
default:
err = -ENOTTY;
break;
}
#endif
default:
err = -ENOTTY;
break;
}
-
return err;
}
return err;
}