patch-1.3.82 linux/fs/nfs/cache.c

• Lines: 65
• Date: Thu Jan 1 02:00:00 1970
• Orig file: v1.3.81/linux/fs/nfs/cache.c
• Orig date: Thu Aug 31 08:09:06 1995

diff -u --recursive --new-file v1.3.81/linux/fs/nfs/cache.c linux/fs/nfs/cache.c
@@ -1,64 +0,0 @@
-
-void nfs_bl_cache_invalidate(nfs_cache *nh)
-{
-	unsigned long flags;
-	save_flags(flags);
-	cli();
-	if(nh->inuse)
-		nh->dead=1;
-	else
-	{
-		kfree_s(nh->data);
-		nh->data=NULL;
-		nh->free=1;
-	}
-	restore_flags(flags);
-}
-
-void nfs_bl_cache_revalidate(nfs_cache *nh, struct fattr fa)
-{
-	nh->fattr=fattr;
-	nh->time=jiffies;
-}
-
-/*
- *	Find a block in the cache. We know the cache is block sized in block
- *	aligned space.
- */
- 
-nfs_cache *nfs_cache_find(struct inode *inode, off_t pos)
-{
-	nfs_cache *nh=&nfs_cache_slot[0];
-	nfs_cache *ffree=NULL;
-	struct nfs_fattr fattr;
-	int ct=0;
-	while(ct<NH_CACHE_SIZE)
-	{
-		if(nh->inode_num==inode->i_no && !nh->dead&&!nh->free&&nh->file_pos==pos)
-		{
-			if(abs(jiffies-nh->time)<EXPIRE_CACHE)
-				return nh;
-			/*
-			 *	Revalidate
-			 */
-			
-			if(nfs_proc_getattr(NFS_SERVER(inode), NFS_FH(inode), &fattr))
-			{
-				nfs_bl_cache_invalidate(nh);
-				continue;	/* get attr failed */
-			}
-			if(nh->fattr.modified!=fattr.modified)
-			{
-				nfs_bl_cache_invalidate(nh);
-				continue;	/* cache is out of date */
-			}
-			nfs_refresh_inode(inode, fattr);
-			nh->fattr=fattr;
-			nfs_bl_cache_revalidate(nh);
-			return nh;
-		}
-		if(nh->free)
-			ffree=nh;
-	}
-	return ffree;
-}