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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-10-15 18:18:29 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:47 -0500
commitbfc69a456642a51c89dfd8e5184468857cb44f32 (patch)
tree0853b31afcc2c8bd24a0e94e9280d1c1083501de /fs/nfs/dir.c
parent5cce428d953cc3843b100e078dbc3c01c6411b85 (diff)
NFS: define a function to update nfsi->cache_change_attribute
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 32c666c612a..72d141a0dbd 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -638,6 +638,21 @@ static int nfs_fsync_dir(struct file *filp, struct dentry *dentry, int datasync)
return 0;
}
+/**
+ * nfs_force_lookup_revalidate - Mark the directory as having changed
+ * @dir - pointer to directory inode
+ *
+ * This forces the revalidation code in nfs_lookup_revalidate() to do a
+ * full lookup on all child dentries of 'dir' whenever a change occurs
+ * on the server that might have invalidated our dcache.
+ *
+ * The caller should be holding dir->i_lock
+ */
+void nfs_force_lookup_revalidate(struct inode *dir)
+{
+ NFS_I(dir)->cache_change_attribute = jiffies;
+}
+
/*
* A check for whether or not the parent directory has changed.
* In the case it has, we assume that the dentries are untrustworthy