From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752072AbeEGIta (ORCPT ); Mon, 7 May 2018 04:49:30 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:38990 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752079AbeEGIiT (ORCPT ); Mon, 7 May 2018 04:38:19 -0400 X-Google-Smtp-Source: AB8JxZqfc2o/pN7Yxp1O6lFxIGTok2gRDr5YBo2ZJ4zaCeSJUO6nwfBTjDa454XDB3O6F9Rqjx3T4w== From: Miklos Szeredi To: linux-unionfs@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro Subject: [PATCH v2 05/35] vfs: export vfs_dedupe_file_range_one() to modules Date: Mon, 7 May 2018 10:37:37 +0200 Message-Id: <20180507083807.28792-6-mszeredi@redhat.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180507083807.28792-1-mszeredi@redhat.com> References: <20180507083807.28792-1-mszeredi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 023df230e2a0..08708f903fc5 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 26685011c4bd..c85a8059f038 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