9p: statfs should not override server f_type

Allow a 9p2000.L server to supply the statfs f_type value rather than
hardwiring V9FS_MAGIC.  It is desirable to give the server this option
in some applications, e.g. I/O forwarding.

Signed-off-by: Jim Garlick <garlick@llnl.gov>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 7b0cd87b07c20772b79395bb03afdb2bc5ebf414..e55d8f7b2887868d8b0e3bb9fd34006ad38a1a13 100644 (file)
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -260,7 +260,7 @@ static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf)
        if (v9fs_proto_dotl(v9ses)) {
                res = p9_client_statfs(fid, &rs);
                if (res == 0) {
-                       buf->f_type = V9FS_MAGIC;
+                       buf->f_type = rs.type;
                        buf->f_bsize = rs.bsize;
                        buf->f_blocks = rs.blocks;
                        buf->f_bfree = rs.bfree;