NFS: Ensure we zap only the access and acl caches when setting new acls

...and ensure that we obey the NFS_INO_INVALID_ACL flag when retrieving the
acls.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 9b7362565c0c..423842f51ac9 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -5,6 +5,8 @@
 #include <linux/posix_acl_xattr.h>
 #include <linux/nfsacl.h>
 
+#include "internal.h"
+
 #define NFSDBG_FACILITY NFSDBG_PROC
 
 ssize_t nfs3_listxattr(struct dentry *dentry, char *buffer, size_t size)
@@ -205,6 +207,8 @@ struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type)
         status = nfs_revalidate_inode(server, inode);
         if (status < 0)
                 return ERR_PTR(status);
+        if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL)
+                nfs_zap_acl_cache(inode);
         acl = nfs3_get_cached_acl(inode, type);
         if (acl != ERR_PTR(-EAGAIN))
                 return acl;
@@ -319,9 +323,8 @@ static int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
         dprintk("NFS call setacl\n");
         msg.rpc_proc = &server->client_acl->cl_procinfo[ACLPROC3_SETACL];
         status = rpc_call_sync(server->client_acl, &msg, 0);
-        spin_lock(&inode->i_lock);
-        NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS;
-        spin_unlock(&inode->i_lock);
+        nfs_access_zap_cache(inode);
+        nfs_zap_acl_cache(inode);
         dprintk("NFS reply setacl: %d\n", status);
 
         /* pages may have been allocated at the xdr layer. */