NFS: Optimise away an excessive GETATTR call when a file is symlinked
In the case when compiling via a symlink tree, we want to ensure that the
close-to-open GETATTR call is applied only to the final file, and not to
the symlink.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 3ddda6f..e7ffb4d 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -690,7 +690,9 @@
goto out_force;
/* This is an open(2) */
if (nfs_lookup_check_intent(nd, LOOKUP_OPEN) != 0 &&
- !(server->flags & NFS_MOUNT_NOCTO))
+ !(server->flags & NFS_MOUNT_NOCTO) &&
+ (S_ISREG(inode->i_mode) ||
+ S_ISDIR(inode->i_mode)))
goto out_force;
}
return nfs_revalidate_inode(server, inode);