From patchwork Thu Jun 1 14:58:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13264042 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3C73C7EE2A for ; Thu, 1 Jun 2023 15:00:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234217AbjFAPAT (ORCPT ); Thu, 1 Jun 2023 11:00:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234898AbjFAPAE (ORCPT ); Thu, 1 Jun 2023 11:00:04 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 840FDE54; Thu, 1 Jun 2023 07:59:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=a5Lvr5nZsxWnI6T+V3CK7XOpJ+ONTwidG7DsWkZk2X0=; b=coWy/MXDVp/dV45yvGlFv3QUBw NSwr39kAlpdMqJeXOxel2UDwfDJKlCMGsuXQnLqMVIDTONFvnSasl/TBL89ySpwL01KF46bVQVRw+ 66FA1x2sxcQeOGQdJAbhsWsYfKTZQLVATX/xSiV3aIxouxheUP2Az/wScrj9gh1nIHrsXxBD5UL2C yXAbm+9oR8uTja7O+Te+FE4jk+s87ca6acOJdZwu+dXjc4eJetGgHL+R4hiGbYaGzJRElp/A7dWpk uhRtSguYYyhbU3VE7X4T+UyR1isFkpRo8D8NL4JizguYQ5K55JSthA/rRamv1DlKE/wboRI5hNRJp EZ3O/0hw==; Received: from [2001:4bb8:182:6d06:eacb:c751:971:73eb] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q4jls-003w7l-1t; Thu, 01 Jun 2023 14:59:24 +0000 From: Christoph Hellwig To: Matthew Wilcox Cc: Jens Axboe , Xiubo Li , Ilya Dryomov , Alexander Viro , Christian Brauner , "Theodore Ts'o" , Jaegeuk Kim , Chao Yu , Miklos Szeredi , Andreas Gruenbacher , "Darrick J. Wong" , Trond Myklebust , Anna Schumaker , Damien Le Moal , Andrew Morton , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-xfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org, Hannes Reinecke Subject: [PATCH 07/12] iomap: update ki_pos in iomap_file_buffered_write Date: Thu, 1 Jun 2023 16:58:59 +0200 Message-Id: <20230601145904.1385409-8-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230601145904.1385409-1-hch@lst.de> References: <20230601145904.1385409-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org All callers of iomap_file_buffered_write need to updated ki_pos, move it into common code. Signed-off-by: Christoph Hellwig Reviewed-by: Andreas Gruenbacher Reviewed-by: Hannes Reinecke Reviewed-by: Darrick J. Wong Acked-by: Damien Le Moal --- fs/gfs2/file.c | 4 +--- fs/iomap/buffered-io.c | 9 ++++++--- fs/xfs/xfs_file.c | 2 -- fs/zonefs/file.c | 4 +--- 4 files changed, 8 insertions(+), 11 deletions(-) diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 904a0d6ac1a1a9..c6a7555d5ad8bb 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -1044,10 +1044,8 @@ static ssize_t gfs2_file_buffered_write(struct kiocb *iocb, pagefault_disable(); ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops); pagefault_enable(); - if (ret > 0) { - iocb->ki_pos += ret; + if (ret > 0) written += ret; - } if (inode == sdp->sd_rindex) gfs2_glock_dq_uninit(statfs_gh); diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 063133ec77f49e..550525a525c45c 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -864,16 +864,19 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i, .len = iov_iter_count(i), .flags = IOMAP_WRITE, }; - int ret; + ssize_t ret; if (iocb->ki_flags & IOCB_NOWAIT) iter.flags |= IOMAP_NOWAIT; while ((ret = iomap_iter(&iter, ops)) > 0) iter.processed = iomap_write_iter(&iter, i); - if (iter.pos == iocb->ki_pos) + + if (unlikely(ret < 0)) return ret; - return iter.pos - iocb->ki_pos; + ret = iter.pos - iocb->ki_pos; + iocb->ki_pos += ret; + return ret; } EXPORT_SYMBOL_GPL(iomap_file_buffered_write); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 431c3fd0e2b598..d57443db633637 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -720,8 +720,6 @@ xfs_file_buffered_write( trace_xfs_file_buffered_write(iocb, from); ret = iomap_file_buffered_write(iocb, from, &xfs_buffered_write_iomap_ops); - if (likely(ret >= 0)) - iocb->ki_pos += ret; /* * If we hit a space limit, try to free up some lingering preallocated diff --git a/fs/zonefs/file.c b/fs/zonefs/file.c index 132f01d3461f14..e212d0636f848e 100644 --- a/fs/zonefs/file.c +++ b/fs/zonefs/file.c @@ -643,9 +643,7 @@ static ssize_t zonefs_file_buffered_write(struct kiocb *iocb, goto inode_unlock; ret = iomap_file_buffered_write(iocb, from, &zonefs_write_iomap_ops); - if (ret > 0) - iocb->ki_pos += ret; - else if (ret == -EIO) + if (ret == -EIO) zonefs_io_error(inode, true); inode_unlock: