[PATCH] NFSv4: client-side caching NFSv4 ACLs
Add nfs4_acl field to the nfs_inode, and use it to cache acls. Only cache
acls of size up to a page. Also prepare for up to a page of acl data even
when the user doesn't pass in a buffer, as when they want to get the acl
length to decide what size buffer to allocate.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index c45bd52..350c48c1 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -142,10 +142,6 @@
clear_inode(inode);
}
-/*
- * For the moment, the only task for the NFS clear_inode method is to
- * release the mmap credential
- */
static void
nfs_clear_inode(struct inode *inode)
{
@@ -1923,6 +1919,9 @@
if (!nfsi)
return NULL;
nfsi->flags = 0;
+#ifdef CONFIG_NFS_V4
+ nfsi->nfs4_acl = NULL;
+#endif /* CONFIG_NFS_V4 */
return &nfsi->vfs_inode;
}