orangefs: Implement inode_operations->permission().

[deliverable/linux.git] / fs / orangefs / inode.c

diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 040cd95b51c2c6e08897c318b0fe13cd86fdd3e5..e9688f0b99d765fb4839ce2cbfcbc5b14d191ed7 100644 (file)
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -291,6 +291,24 @@ int orangefs_getattr(struct vfsmount *mnt,
        return ret;
 }
 
+int orangefs_permission(struct inode *inode, int mask)
+{
+       int ret;
+
+       if (mask & MAY_NOT_BLOCK)
+               return -ECHILD;
+
+       gossip_debug(GOSSIP_INODE_DEBUG, "%s: refreshing\n", __func__);
+
+       /* Make sure the permission (and other common attrs) are up to date. */
+       ret = orangefs_inode_getattr(inode,
+           ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE, 0);
+       if (ret < 0)
+               return ret;
+
+       return generic_permission(inode, mask);
+}
+
 /* ORANGEDS2 implementation of VFS inode operations for files */
 struct inode_operations orangefs_file_inode_operations = {
        .get_acl = orangefs_get_acl,
@@ -301,6 +319,7 @@ struct inode_operations orangefs_file_inode_operations = {
        .getxattr = generic_getxattr,
        .listxattr = orangefs_listxattr,
        .removexattr = generic_removexattr,
+       .permission = orangefs_permission,
 };
 
 static int orangefs_init_iops(struct inode *inode)