}
/**
- * check_disk_size_change - checks for disk size change and adjusts
- * bdev size.
- *
+ * check_disk_size_change - checks for disk size change and adjusts bdev size.
* @disk: struct gendisk to check
* @bdev: struct bdev to adjust.
*
EXPORT_SYMBOL(check_disk_size_change);
/**
- * revalidate_disk - wrapper for lower-level driver's revalidate_disk
- * call-back
- *
+ * revalidate_disk - wrapper for lower-level driver's revalidate_disk call-back
* @disk: struct gendisk to be revalidated
*
* This routine is a wrapper for lower-level driver's revalidate_disk
/**
* lookup_bdev - lookup a struct block_device by name
- *
* @path: special file representing the block device
*
- * Get a reference to the blockdevice at @path in the current
+ * Get a reference to the blockdevice at @pathname in the current
* namespace if possible and return it. Return ERR_PTR(error)
* otherwise.
*/
-struct block_device *lookup_bdev(const char *path)
+struct block_device *lookup_bdev(const char *pathname)
{
struct block_device *bdev;
struct inode *inode;
- struct nameidata nd;
+ struct path path;
int error;
- if (!path || !*path)
+ if (!pathname || !*pathname)
return ERR_PTR(-EINVAL);
- error = path_lookup(path, LOOKUP_FOLLOW, &nd);
+ error = kern_path(pathname, LOOKUP_FOLLOW, &path);
if (error)
return ERR_PTR(error);
- inode = nd.path.dentry->d_inode;
+ inode = path.dentry->d_inode;
error = -ENOTBLK;
if (!S_ISBLK(inode->i_mode))
goto fail;
error = -EACCES;
- if (nd.path.mnt->mnt_flags & MNT_NODEV)
+ if (path.mnt->mnt_flags & MNT_NODEV)
goto fail;
error = -ENOMEM;
bdev = bd_acquire(inode);
if (!bdev)
goto fail;
out:
- path_put(&nd.path);
+ path_put(&path);
return bdev;
fail:
bdev = ERR_PTR(error);