From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2228598-1527605051-2-524926027803368377 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no ("Email failed DMARC policy for domain") X-Spam-charsets: X-IgnoreVacation: yes ("Email failed DMARC policy for domain") X-Resolved-to: linux@kroah.com X-Delivered-to: linux@kroah.com X-Mail-from: linux-fsdevel-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1527605051; b=KV2Q9iKPX4bh7+BMc7EQ5QJoTKUqef7ECgqPQMxid+asBoHx7/ 3lI+xLi2AC1RCkq7rT1sNpsab3y5AiIYvegTaYgM10zUV//rBDW7SdyMuDXtcAPB Pd4tlKClXeiOg31yxXGp5CbKFGljx1YoLkPAmkFpuRiFLBK9z62cknkfZ2UzP7TS VU823i2ADCexuovMAkbOCEUrKjwaa8RtZkiJjK5mwdm51gqePKTql6MsmuUEW2Sw sH3aVBGD8XXFylnGmk0R6uF2q3g3JDY7uI+KZOfNZFAwBxrlMITePp7eL+FvJAQB gdvGyYMHE9D6AYdJfJza670OVnzakgxKIWrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:sender:list-id; s=fm2; t=1527605051; bh= amDQEDaddka9sPHz/9W7dccYu3CzZdN6llMb84YNbYk=; b=Djs0ADO355Q4p6KA o35xEROwOwP7S5AnjCpWU2gWHIOvAEnf3BkhNXx+E7DXbZ51KGVhzmIgKj4FHrju yEwkZ/+SVHq8m4RqUnKaSMp2+xjIV10kfiJ5eP12Z1N4GATwPwpadOVSOfY3LDHe iNcv8xEKuEtZIO2wa2HIViLst1IVNhHa9W4cu3bg+5BfTa2omNKy4Ycvfn5plL87 8kE6KYPNUdHezk3S2fXhhPC1MVux69fWwR5aD6oBs4XSp/39yhwZA728rMw9GmrU YfdC3JggzMclxVuh27moxKR8ZayW9kw79kELtn44BLv+y/h8e+AX8fx3rM7GGLes hYk82Q== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-fsdevel-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=Wiaq0IQG; x-ptr=pass smtp.helo=vger.kernel.org policy.ptr=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=redhat.com header.result=pass header_is_org_domain=yes; x-vs=clean score=0 state=0 Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-fsdevel-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=Wiaq0IQG; x-ptr=pass smtp.helo=vger.kernel.org policy.ptr=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=redhat.com header.result=pass header_is_org_domain=yes; x-vs=clean score=0 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfAIZPbkJCt1V2eZUqSr5pNss5CltqE2l/lsIIn6X0tEOMxIGuQt22yTBkPqTP1SkCsaasaXvMJubiiBkv+4Iq+flqBKN1dh7OKw45s/BNjnLvcq/zUt1 pSJQsfzg/oddz9gN+AKQm8IJMiz7GvqysKmfvDpvDLaZ85T4LAbUCVd/V0FGMdzlKiOeS6Ds8A8JJ/kthQZ9ZhpFSw2UkJ4GNMjqLlnKreVFYELqI3+G1qoC X-CM-Analysis: v=2.3 cv=WaUilXpX c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=VUJBJC2UJ8kA:10 a=20KFwNOVAAAA:8 a=C-zsn8Ri-qWl_ZaUxfYA:9 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935700AbeE2OoJ (ORCPT ); Tue, 29 May 2018 10:44:09 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:42025 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935557AbeE2Onw (ORCPT ); Tue, 29 May 2018 10:43:52 -0400 X-Google-Smtp-Source: ADUXVKIqam11FbUdD6rJKACZr/Ot/tjWOxKK3JO6qjr374G2jlBBsZawKwoBnh0Sm+gNuCum8WXfqQ== From: Miklos Szeredi To: linux-unionfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 08/39] vfs: export vfs_dedupe_file_range_one() to modules Date: Tue, 29 May 2018 16:43:08 +0200 Message-Id: <20180529144339.16538-9-mszeredi@redhat.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180529144339.16538-1-mszeredi@redhat.com> References: <20180529144339.16538-1-mszeredi@redhat.com> Sender: linux-fsdevel-owner@vger.kernel.org X-Mailing-List: linux-fsdevel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This is needed by the stacked dedupe implementation in overlayfs. Signed-off-by: Miklos Szeredi --- fs/read_write.c | 6 +++--- include/linux/fs.h | 4 ++++ 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/fs/read_write.c b/fs/read_write.c index 82a53c44c0aa..4d61375a0de4 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1964,9 +1964,8 @@ int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff, } EXPORT_SYMBOL(vfs_dedupe_file_range_compare); -static s64 vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, - struct file *dst_file, loff_t dst_pos, - u64 len) +s64 vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, + struct file *dst_file, loff_t dst_pos, u64 len) { s64 ret; @@ -2001,6 +2000,7 @@ static s64 vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, return ret; } +EXPORT_SYMBOL(vfs_dedupe_file_range_one); int vfs_dedupe_file_range(struct file *file, struct file_dedupe_range *same) { diff --git a/include/linux/fs.h b/include/linux/fs.h index 598c60092c11..6961feda6915 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1817,6 +1817,10 @@ extern int vfs_dedupe_file_range_compare(struct inode *src, loff_t srcoff, loff_t len, bool *is_same); extern int vfs_dedupe_file_range(struct file *file, struct file_dedupe_range *same); +extern s64 vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos, + struct file *dst_file, loff_t dst_pos, + u64 len); + struct super_operations { struct inode *(*alloc_inode)(struct super_block *sb); -- 2.14.3