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Wong" X-Patchwork-Id: 10651191 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 94CA013A9 for ; Sun, 21 Oct 2018 16:17:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 821C9287C0 for ; Sun, 21 Oct 2018 16:17:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 756F8287C2; Sun, 21 Oct 2018 16:17:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A1746287C6 for ; Sun, 21 Oct 2018 16:17:43 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 179726B0283; Sun, 21 Oct 2018 12:17:42 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 12C886B0285; Sun, 21 Oct 2018 12:17:42 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F38266B0286; Sun, 21 Oct 2018 12:17:41 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-yb1-f197.google.com (mail-yb1-f197.google.com [209.85.219.197]) by kanga.kvack.org (Postfix) with ESMTP id B96256B0283 for ; Sun, 21 Oct 2018 12:17:41 -0400 (EDT) Received: by mail-yb1-f197.google.com with SMTP id c8-v6so4937591ybs.2 for ; Sun, 21 Oct 2018 09:17:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:subject:from:to:cc:date :message-id:in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=yAZ/1PPkeVRlAU93kCg6O9O78UCd/8KO5hoqJKQC2Ek=; b=G8J2X32EN+Hdh2UfNoVlWmHYTO4iqnjsnsS7Jkf+K/IVdwh/a6A16yF930MWWovnod gPlLppv9XiMPE8wxW+brXoayf+65IOZHOx8WcfXZDrEDJh/Kndw+Cwi+PrOAm9ODgqfr TNW8UOShPeeDBsIZP3JBMjBSnfc0PbPpvxdF6S4zqhjJlh3cWk55cp7HKMEa2HAKBybF ejkptOshX6BDVY4lCYzMJh8FHLnmy0L7ZHiNVWyACcdDrurKkZReWys25F6jsoqujDcK hP3vUaWhU8SoaBlZl+LazxUqhHJUr2pMr0mOArENCDYwXmPPYSsE+tRAKAx8d/vL9Cok I0kw== X-Gm-Message-State: ABuFfohnheM1RIxQuSK4bwPSQMJX5zfrruBPn2COuiKxacbHCq3fcn5b 8SbbLexGjiNSfN/LamXYH+cQ9sJpwThaDhl4GK+rWOU3q5Vuv85PJhGC+QjUInlwpeZtNDkNWgM 9qOfff5Hxl93DyNXbx3lyEsq9s1IGBVV+ht6qilYqACL/VQUbxyPqLM+hIudnk/kIeg== X-Received: by 2002:a81:6d84:: with SMTP id i126-v6mr3895657ywc.215.1540138661507; Sun, 21 Oct 2018 09:17:41 -0700 (PDT) X-Google-Smtp-Source: ACcGV62HxOr2q4FzjZDmQ1ysGqe1GQA7bODSrDYcSi2g4d1Bf+trvw764X4fqs0FB4TuNQFy1tax X-Received: by 2002:a81:6d84:: with SMTP id i126-v6mr3895597ywc.215.1540138660540; Sun, 21 Oct 2018 09:17:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1540138660; cv=none; d=google.com; s=arc-20160816; b=VH1I31Y9Sz7zxsHqf0XJoNV06mPUChRGnzBcoz6KNeRzQXpGzEXJHb6Dd9p12KIQ0X 5j05WcMKICozI3mWBVB6duuO3Qm9W/Lvjt5ir5xsQd8CukCxyurGH51l5hYlNGTSbLju SGZCPKwzwLtr6Q/qE8mPMweI6m1flBL6ZzXoyv9uohLfNcHed7YLs5AY974iFoh+lk2o 2rqovzgmr7ZdBlqogwQ0cIEpBPXiWujd0djUznRBS8+LVmF0I+7WW6podclK212hbTq1 oG5X8gWKDcOQzMYXWf/2niSUsJ6o4AJpmTeU7EfUxtrd53ssZFRBckXSDBw/3JQMgwsa opRw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:user-agent:references :in-reply-to:message-id:date:cc:to:from:subject:dkim-signature; bh=yAZ/1PPkeVRlAU93kCg6O9O78UCd/8KO5hoqJKQC2Ek=; b=oab8kl0aE/1q6jUm1jQxXcwVc14wV6U0KZtg2bLnu2mSSHBjcJJe3FPJGoV3teKE2Y /YVaED9KdFewnao6m05fKleeBUGMjDEqvXSozXQj5eQ0/bM4nmJSOvyWR9GJ9mZGE0x1 dM1Ef0DB3/9e0FSo8N4P3IA33tarqNASi1XKoxUO8skMroDO6hCKQVJnlHt9015oNI5P nqhQygj8GGx6+hDeKhg3jK8W9pr5sV/IPfGtMjDP1L2Vp/Lc0frfR78ZxRS/6ohtxAzq VMRpdVCrTS8nl5KvxG6W3kd2vwJECHhbEOyEvPHuugFuEkcTC/pk2k7G2BrehsOUxBmT TMMQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2018-07-02 header.b=yagSBMWY; spf=pass (google.com: domain of darrick.wong@oracle.com designates 156.151.31.86 as permitted sender) smtp.mailfrom=darrick.wong@oracle.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: from userp2130.oracle.com (userp2130.oracle.com. [156.151.31.86]) by mx.google.com with ESMTPS id n126-v6si6051974ywe.31.2018.10.21.09.17.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Oct 2018 09:17:40 -0700 (PDT) Received-SPF: pass (google.com: domain of darrick.wong@oracle.com designates 156.151.31.86 as permitted sender) client-ip=156.151.31.86; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2018-07-02 header.b=yagSBMWY; spf=pass (google.com: domain of darrick.wong@oracle.com designates 156.151.31.86 as permitted sender) smtp.mailfrom=darrick.wong@oracle.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w9LGEsJO154505; Sun, 21 Oct 2018 16:17:39 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=yAZ/1PPkeVRlAU93kCg6O9O78UCd/8KO5hoqJKQC2Ek=; b=yagSBMWYuvghMIqDYBJYaE6H6wiVG1maa0ILSahktUrXCAVGFzF7z3Nqu++roa+fCV5j hGZ+Ydqx6YJT9iohkXp+Ecco4aEAH5AorPqg3NRg6p9h0GCXba4vOM6BVt3GfQ1bwPuU KEiUfs8aveaXFDwmLUSeaO1av1gTy+rbDAuGXP32Mfw5RgLixtdYzGZAfzsN47y0V1fy vhJVrFSiB/ld1+rj1gxRGdpjSqHrjECvMi064pjwYfBDusiegL7SxJKIOhKEaKh1jP+q aIWcT0cZTk0tF8xPBg4094KAdh7NpdqXWDSiPRRvGU7si0kPT0xn2B8vqJ5aJdQXRo75 UQ== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2n7ustu1v6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 21 Oct 2018 16:17:39 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w9LGHckK014091 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 21 Oct 2018 16:17:38 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w9LGHc1Z024863; Sun, 21 Oct 2018 16:17:38 GMT Received: from localhost (/10.159.225.70) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 21 Oct 2018 09:17:38 -0700 Subject: [PATCH 22/28] ocfs2: remove ocfs2_reflink_remap_range From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: sandeen@redhat.com, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com Date: Sun, 21 Oct 2018 09:17:36 -0700 Message-ID: <154013865665.29026.16826908431108353571.stgit@magnolia> In-Reply-To: <154013850285.29026.16168387526580596209.stgit@magnolia> References: <154013850285.29026.16168387526580596209.stgit@magnolia> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9053 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810210151 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP From: Darrick J. Wong Since ocfs2_remap_file_range is a thin shell around ocfs2_remap_remap_range, move everything from the latter into the former. Signed-off-by: Darrick J. Wong --- fs/ocfs2/file.c | 68 +++++++++++++++++++++++++++- fs/ocfs2/refcounttree.c | 113 +++++++---------------------------------------- fs/ocfs2/refcounttree.h | 24 +++++++--- 3 files changed, 102 insertions(+), 103 deletions(-) diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 8125c5ccf821..fe570824b991 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -2531,11 +2531,75 @@ static loff_t ocfs2_remap_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, loff_t len, unsigned int remap_flags) { + struct inode *inode_in = file_inode(file_in); + struct inode *inode_out = file_inode(file_out); + struct ocfs2_super *osb = OCFS2_SB(inode_in->i_sb); + struct buffer_head *in_bh = NULL, *out_bh = NULL; + bool same_inode = (inode_in == inode_out); + loff_t remapped = 0; + ssize_t ret; + if (remap_flags & ~(REMAP_FILE_DEDUP | REMAP_FILE_ADVISORY)) return -EINVAL; + if (!ocfs2_refcount_tree(osb)) + return -EOPNOTSUPP; + if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) + return -EROFS; - return ocfs2_reflink_remap_range(file_in, pos_in, file_out, pos_out, - len, remap_flags); + /* Lock both files against IO */ + ret = ocfs2_reflink_inodes_lock(inode_in, &in_bh, inode_out, &out_bh); + if (ret) + return ret; + + /* Check file eligibility and prepare for block sharing. */ + ret = -EINVAL; + if ((OCFS2_I(inode_in)->ip_flags & OCFS2_INODE_SYSTEM_FILE) || + (OCFS2_I(inode_out)->ip_flags & OCFS2_INODE_SYSTEM_FILE)) + goto out_unlock; + + ret = generic_remap_file_range_prep(file_in, pos_in, file_out, pos_out, + &len, remap_flags); + if (ret < 0 || len == 0) + goto out_unlock; + + /* Lock out changes to the allocation maps and remap. */ + down_write(&OCFS2_I(inode_in)->ip_alloc_sem); + if (!same_inode) + down_write_nested(&OCFS2_I(inode_out)->ip_alloc_sem, + SINGLE_DEPTH_NESTING); + + /* Zap any page cache for the destination file's range. */ + truncate_inode_pages_range(&inode_out->i_data, + round_down(pos_out, PAGE_SIZE), + round_up(pos_out + len, PAGE_SIZE) - 1); + + remapped = ocfs2_reflink_remap_blocks(inode_in, in_bh, pos_in, + inode_out, out_bh, pos_out, len); + up_write(&OCFS2_I(inode_in)->ip_alloc_sem); + if (!same_inode) + up_write(&OCFS2_I(inode_out)->ip_alloc_sem); + if (remapped < 0) { + ret = remapped; + mlog_errno(ret); + goto out_unlock; + } + + /* + * Empty the extent map so that we may get the right extent + * record from the disk. + */ + ocfs2_extent_map_trunc(inode_in, 0); + ocfs2_extent_map_trunc(inode_out, 0); + + ret = ocfs2_reflink_update_dest(inode_out, out_bh, pos_out + len); + if (ret) { + mlog_errno(ret); + goto out_unlock; + } + +out_unlock: + ocfs2_reflink_inodes_unlock(inode_in, in_bh, inode_out, out_bh); + return remapped > 0 ? remapped : ret; } const struct inode_operations ocfs2_file_iops = { diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index c7409578657b..dc66b80585ec 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -4468,9 +4468,9 @@ int ocfs2_reflink_ioctl(struct inode *inode, } /* Update destination inode size, if necessary. */ -static int ocfs2_reflink_update_dest(struct inode *dest, - struct buffer_head *d_bh, - loff_t newlen) +int ocfs2_reflink_update_dest(struct inode *dest, + struct buffer_head *d_bh, + loff_t newlen) { handle_t *handle; int ret; @@ -4621,13 +4621,13 @@ static loff_t ocfs2_reflink_remap_extent(struct inode *s_inode, } /* Set up refcount tree and remap s_inode to t_inode. */ -static loff_t ocfs2_reflink_remap_blocks(struct inode *s_inode, - struct buffer_head *s_bh, - loff_t pos_in, - struct inode *t_inode, - struct buffer_head *t_bh, - loff_t pos_out, - loff_t len) +loff_t ocfs2_reflink_remap_blocks(struct inode *s_inode, + struct buffer_head *s_bh, + loff_t pos_in, + struct inode *t_inode, + struct buffer_head *t_bh, + loff_t pos_out, + loff_t len) { struct ocfs2_cached_dealloc_ctxt dealloc; struct ocfs2_super *osb; @@ -4720,10 +4720,10 @@ static loff_t ocfs2_reflink_remap_blocks(struct inode *s_inode, } /* Lock an inode and grab a bh pointing to the inode. */ -static int ocfs2_reflink_inodes_lock(struct inode *s_inode, - struct buffer_head **bh1, - struct inode *t_inode, - struct buffer_head **bh2) +int ocfs2_reflink_inodes_lock(struct inode *s_inode, + struct buffer_head **bh1, + struct inode *t_inode, + struct buffer_head **bh2) { struct inode *inode1; struct inode *inode2; @@ -4808,10 +4808,10 @@ static int ocfs2_reflink_inodes_lock(struct inode *s_inode, } /* Unlock both inodes and release buffers. */ -static void ocfs2_reflink_inodes_unlock(struct inode *s_inode, - struct buffer_head *s_bh, - struct inode *t_inode, - struct buffer_head *t_bh) +void ocfs2_reflink_inodes_unlock(struct inode *s_inode, + struct buffer_head *s_bh, + struct inode *t_inode, + struct buffer_head *t_bh) { ocfs2_inode_unlock(s_inode, 1); ocfs2_rw_unlock(s_inode, 1); @@ -4823,80 +4823,3 @@ static void ocfs2_reflink_inodes_unlock(struct inode *s_inode, } unlock_two_nondirectories(s_inode, t_inode); } - -/* Link a range of blocks from one file to another. */ -loff_t ocfs2_reflink_remap_range(struct file *file_in, - loff_t pos_in, - struct file *file_out, - loff_t pos_out, - loff_t len, - unsigned int remap_flags) -{ - struct inode *inode_in = file_inode(file_in); - struct inode *inode_out = file_inode(file_out); - struct ocfs2_super *osb = OCFS2_SB(inode_in->i_sb); - struct buffer_head *in_bh = NULL, *out_bh = NULL; - bool same_inode = (inode_in == inode_out); - loff_t remapped = 0; - ssize_t ret; - - if (!ocfs2_refcount_tree(osb)) - return -EOPNOTSUPP; - if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) - return -EROFS; - - /* Lock both files against IO */ - ret = ocfs2_reflink_inodes_lock(inode_in, &in_bh, inode_out, &out_bh); - if (ret) - return ret; - - /* Check file eligibility and prepare for block sharing. */ - ret = -EINVAL; - if ((OCFS2_I(inode_in)->ip_flags & OCFS2_INODE_SYSTEM_FILE) || - (OCFS2_I(inode_out)->ip_flags & OCFS2_INODE_SYSTEM_FILE)) - goto out_unlock; - - ret = generic_remap_file_range_prep(file_in, pos_in, file_out, pos_out, - &len, remap_flags); - if (ret < 0 || len == 0) - goto out_unlock; - - /* Lock out changes to the allocation maps and remap. */ - down_write(&OCFS2_I(inode_in)->ip_alloc_sem); - if (!same_inode) - down_write_nested(&OCFS2_I(inode_out)->ip_alloc_sem, - SINGLE_DEPTH_NESTING); - - /* Zap any page cache for the destination file's range. */ - truncate_inode_pages_range(&inode_out->i_data, - round_down(pos_out, PAGE_SIZE), - round_up(pos_out + len, PAGE_SIZE) - 1); - - remapped = ocfs2_reflink_remap_blocks(inode_in, in_bh, pos_in, - inode_out, out_bh, pos_out, len); - up_write(&OCFS2_I(inode_in)->ip_alloc_sem); - if (!same_inode) - up_write(&OCFS2_I(inode_out)->ip_alloc_sem); - if (remapped < 0) { - ret = remapped; - mlog_errno(ret); - goto out_unlock; - } - - /* - * Empty the extent map so that we may get the right extent - * record from the disk. - */ - ocfs2_extent_map_trunc(inode_in, 0); - ocfs2_extent_map_trunc(inode_out, 0); - - ret = ocfs2_reflink_update_dest(inode_out, out_bh, pos_out + len); - if (ret) { - mlog_errno(ret); - goto out_unlock; - } - -out_unlock: - ocfs2_reflink_inodes_unlock(inode_in, in_bh, inode_out, out_bh); - return remapped > 0 ? remapped : ret; -} diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 9e64daba395d..e9e862be4a1e 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -115,11 +115,23 @@ int ocfs2_reflink_ioctl(struct inode *inode, const char __user *oldname, const char __user *newname, bool preserve); -loff_t ocfs2_reflink_remap_range(struct file *file_in, - loff_t pos_in, - struct file *file_out, - loff_t pos_out, - loff_t len, - unsigned int remap_flags); +loff_t ocfs2_reflink_remap_blocks(struct inode *s_inode, + struct buffer_head *s_bh, + loff_t pos_in, + struct inode *t_inode, + struct buffer_head *t_bh, + loff_t pos_out, + loff_t len); +int ocfs2_reflink_inodes_lock(struct inode *s_inode, + struct buffer_head **bh1, + struct inode *t_inode, + struct buffer_head **bh2); +void ocfs2_reflink_inodes_unlock(struct inode *s_inode, + struct buffer_head *s_bh, + struct inode *t_inode, + struct buffer_head *t_bh); +int ocfs2_reflink_update_dest(struct inode *dest, + struct buffer_head *d_bh, + loff_t newlen); #endif /* OCFS2_REFCOUNTTREE_H */