[Ocfs2-devel] [PATCH] dead code in extmap.c

Mark Fasheh mark.fasheh at oracle.com
Mon Aug 30 14:21:32 CDT 2004


Ok, all your patches today have been committed. Thanks!
	--Mark

On Mon, Aug 30, 2004 at 04:00:01PM +0200, Christoph Hellwig wrote:
> 
> Index: src/extmap.c
> ===================================================================
> --- src/extmap.c	(revision 1398)
> +++ src/extmap.c	(working copy)
> @@ -43,7 +43,6 @@
>  /* works ok in userland debugocfs stuff too */
>  
>  static int ocfs_extent_map_add (ocfs_extent_map * map, __s64 virtual, __s64 physical, __s64 sectors);
> -static void ocfs_extent_map_remove (ocfs_extent_map * map, __s64 virtual, __s64 sectors);
>  static int ocfs_extent_map_lookup (ocfs_extent_map *map, __s64 virtual, __s64 *physical, __s64 *sectors, __u32 *index);
>  static int ocfs_extent_map_next_entry (ocfs_extent_map *map, __u32 index, __s64 *virtual, __s64 *physical, __s64 *sectors);
>  
> @@ -321,47 +320,6 @@
>  	return ret;
>  }				/* ocfs_extent_map_add */
>  
> -/* ocfs_extent_map_remove()
> - *
> - */
> -static void ocfs_extent_map_remove (ocfs_extent_map * map, __s64 virtual, __s64 sectors)
> -{
> -	struct list_head *iter, *tmpiter;
> -	ocfs_extent *tmp;
> -	int voverlap;
> -	__s64 lo, sec;
> -
> -	LOG_ENTRY ();
> -
> -	OCFS_ASSERT (map != NULL);
> -
> -	if (!map->initialized)
> -		goto bail;
> -
> -	spin_lock(&(map->lock));
> -	list_for_each_safe(iter, tmpiter, &map->head) {
> -		tmp = list_entry (iter, ocfs_extent, list);
> -		lo = tmp->virtual;
> -		sec = tmp->sectors;
> -		voverlap = get_overlap_type (virtual, virtual+sectors, lo, lo+sec);
> -		/* for now, don't allow splitting of entries */
> -		if (voverlap!=FULLY_CONTAINED)
> -			continue;
> -		if (virtual == lo && sectors == sec) {
> -			list_del(&tmp->list);
> -			kmem_cache_free(OcfsGlobalCtxt.extent_cache,
> -					tmp);
> -			map->count--;
> -			break;
> -		}
> -	}
> -	spin_unlock(&(map->lock));
> -bail:
> -
> -	LOG_EXIT ();
> -	return;
> -}				/* ocfs_extent_map_remove */
> -
>  /*
>   * ocfs_extent_map_lookup()
>   *
> @@ -448,32 +406,7 @@
>  	return ret;
>  }				/* ocfs_extent_map_next_entry */
>  
> -
>  /*
> - * ocfs_remove_extent_map_entry()
> - *
> - * Remove an entry from the extent map
> - */
> -static void ocfs_remove_extent_map_entry (ocfs_super * osb, ocfs_extent_map * Map, __s64 Vbo, __u32 ByteCount)
> -{
> -	LOG_ENTRY ();
> -
> -	if ((ByteCount) && (ByteCount != 0xFFFFFFFF)) {
> -		ByteCount--;
> -		ByteCount >>= osb->sb->s_blocksize_bits;
> -		ByteCount++;
> -	}
> -
> -	Vbo >>= osb->sb->s_blocksize_bits;
> -
> -	ocfs_extent_map_remove (Map, Vbo, (__s64) ByteCount);
> -
> -	LOG_EXIT ();
> -	return;
> -}				/* ocfs_remove_extent_map_entry */
> -
> -
> -/*
>   * ocfs_get_next_extent_map_entry()
>   *
>   * This routine looks up the existing mapping of VBO to LBO for a  file.
> _______________________________________________
> Ocfs2-devel mailing list
> Ocfs2-devel at oss.oracle.com
> http://oss.oracle.com/mailman/listinfo/ocfs2-devel
--
Mark Fasheh
Software Developer, Oracle Corp
mark.fasheh at oracle.com


More information about the Ocfs2-devel mailing list