9p: Add datasync to client side TFSYNC/RFSYNC for dotl

SYNOPSIS
    size[4] Tfsync tag[2] fid[4] datasync[4]

    size[4] Rfsync tag[2]

DESCRIPTION

    The Tfsync transaction transfers ("flushes") all modified in-core data of
    file identified by fid to the disk device (or other  permanent  storage
    device)  where that  file  resides.

    If datasync flag is specified data will be fleshed but does not flush
    modified metadata unless  that  metadata  is  needed  in order to allow a
    subsequent data retrieval to be correctly handled.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3a4352f23a98..240c30674396 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -491,7 +491,7 @@ static int v9fs_file_fsync(struct file *filp, int datasync)
         return retval;
 }
 
-static int v9fs_file_fsync_dotl(struct file *filp, int datasync)
+int v9fs_file_fsync_dotl(struct file *filp, int datasync)
 {
         struct p9_fid *fid;
         int retval;
@@ -501,7 +501,7 @@ static int v9fs_file_fsync_dotl(struct file *filp, int datasync)
 
         fid = filp->private_data;
 
-        retval = p9_client_fsync(fid);
+        retval = p9_client_fsync(fid, datasync);
         return retval;
 }