From: Trond Myklebust Subject: [PATCH 2/2] NFS: Cache invalidation fixup Date: Thu, 19 Oct 2006 13:11:13 -0400 Message-ID: <20061019171113.8593.90932.stgit@lade.trondhjem.org> References: <20061019171113.8593.8585.stgit@lade.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=fixed Cc: Al Viro , linux-kernel@vger.kernel.org, nfs@lists.sourceforge.net Return-path: To: Linus Torvalds In-Reply-To: <20061019171113.8593.8585.stgit@lade.trondhjem.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Trond Myklebust If someone has renamed a directory on the server, triggering the d_move code in d_materialise_unique(), then we need to invalidate the cached directory information in the source parent directory. Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 2cfa414..fa71936 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -936,8 +936,14 @@ static struct dentry *nfs_lookup(struct no_entry: res = d_materialise_unique(dentry, inode); if (res != NULL) { + struct dentry *parent; if (IS_ERR(res)) goto out_unlock; + /* Was a directory renamed! */ + parent = dget_parent(res); + if (!IS_ROOT(parent)) + nfs_mark_for_revalidate(parent->d_inode); + dput(parent); dentry = res; } nfs_renew_times(dentry);