1 files changed, 19 insertions, 0 deletions

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3902bf43a088..74a0461a9ac0 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -257,6 +257,23 @@ v9fs_file_write(struct file *filp, const char __user * data,
         return total;
 }
 
+static int v9fs_file_fsync(struct file *filp, struct dentry *dentry,
+                                        int datasync)
+{
+        struct p9_fid *fid;
+        struct p9_wstat wstat;
+        int retval;
+
+        P9_DPRINTK(P9_DEBUG_VFS, "filp %p dentry %p datasync %x\n", filp,
+                                                dentry, datasync);
+
+        fid = filp->private_data;
+        v9fs_blank_wstat(&wstat);
+
+        retval = p9_client_wstat(fid, &wstat);
+        return retval;
+}
+
 static const struct file_operations v9fs_cached_file_operations = {
         .llseek = generic_file_llseek,
         .read = do_sync_read,
@@ -266,6 +283,7 @@ static const struct file_operations v9fs_cached_file_operations = {
         .release = v9fs_dir_release,
         .lock = v9fs_file_lock,
         .mmap = generic_file_readonly_mmap,
+        .fsync = v9fs_file_fsync,
 };
 
 const struct file_operations v9fs_file_operations = {
@@ -276,4 +294,5 @@ const struct file_operations v9fs_file_operations = {
         .release = v9fs_dir_release,
         .lock = v9fs_file_lock,
         .mmap = generic_file_readonly_mmap,
+        .fsync = v9fs_file_fsync,
 };