From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939741AbdAJNwe (ORCPT ); Tue, 10 Jan 2017 08:52:34 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:34814 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1766008AbdAJNw3 (ORCPT ); Tue, 10 Jan 2017 08:52:29 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , "linux-xfs@vger.kernel.org, Dave Chinner" , Christoph Hellwig , Brian Foster , Dave Chinner Subject: [PATCH 4.9 185/206] xfs: use new extent lookup helpers in __xfs_reflink_reserve_cow Date: Tue, 10 Jan 2017 14:37:48 +0100 Message-Id: <20170110131511.463154728@linuxfoundation.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170110131502.767555407@linuxfoundation.org> References: <20170110131502.767555407@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ commit 2755fc4438501c8c28e7783df890e889f6772bee upstream. Signed-off-by: Christoph Hellwig Reviewed-by: Brian Foster Signed-off-by: Dave Chinner Cc: Christoph Hellwig Signed-off-by: Greg Kroah-Hartman --- fs/xfs/xfs_reflink.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) --- a/fs/xfs/xfs_reflink.c +++ b/fs/xfs/xfs_reflink.c @@ -243,10 +243,11 @@ xfs_reflink_reserve_cow( struct xfs_bmbt_irec *imap, bool *shared) { - struct xfs_bmbt_irec got, prev; + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_COW_FORK); + struct xfs_bmbt_irec got; xfs_fileoff_t end_fsb, orig_end_fsb; - int eof = 0, error = 0; - bool trimmed; + int error = 0; + bool eof = false, trimmed; xfs_extnum_t idx; xfs_extlen_t align; @@ -258,8 +259,9 @@ xfs_reflink_reserve_cow( * extent list is generally faster than going out to the shared extent * tree. */ - xfs_bmap_search_extents(ip, imap->br_startoff, XFS_COW_FORK, &eof, &idx, - &got, &prev); + + if (!xfs_iext_lookup_extent(ip, ifp, imap->br_startoff, &idx, &got)) + eof = true; if (!eof && got.br_startoff <= imap->br_startoff) { trace_xfs_reflink_cow_found(ip, imap); xfs_trim_extent(imap, got.br_startoff, got.br_blockcount);