v9fs: fixup for inode_setattr being removed

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index d97c34a24f7a32b26f8b983d71fac6ac7598f522..c7c23eab94403468d161eac3bd254dfde1e27610 100644 (file)
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1263,10 +1263,19 @@ static int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
                return PTR_ERR(fid);
 
        retval = p9_client_setattr(fid, &p9attr);
-       if (retval >= 0)
-               retval = inode_setattr(dentry->d_inode, iattr);
+       if (retval < 0)
+               return retval;
 
-       return retval;
+       if ((iattr->ia_valid & ATTR_SIZE) &&
+           iattr->ia_size != i_size_read(dentry->d_inode)) {
+               retval = vmtruncate(dentry->d_inode, iattr->ia_size);
+               if (retval)
+                       return retval;
+       }
+
+       setattr_copy(dentry->d_inode, iattr);
+       mark_inode_dirty(dentry->d_inode);
+       return 0;
 }
 
 /**