[V9fs-developer] Include fsync support for 9p client

Commit Message

M. Mohan Kumar Feb. 2, 2010, 4:27 p.m. UTC

None

Patch

diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 3a7560e..ed83583 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -60,3 +60,4 @@  void v9fs_dentry_release(struct dentry *);
 int v9fs_uflags2omode(int uflags, int extended);
 
 ssize_t v9fs_file_readn(struct file *, char *, char __user *, u32, u64);
+void v9fs_blank_wstat(struct p9_wstat *wstat);
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3902bf4..6e4c0bb 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,
 };
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 9d03d1e..a407fa3 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -176,7 +176,7 @@  int v9fs_uflags2omode(int uflags, int extended)
  *
  */
 
-static void
+void
 v9fs_blank_wstat(struct p9_wstat *wstat)
 {
 	wstat->type = ~0;