From 54dbc15172375641ef03399e8f911d7165eb90fb Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Sat, 19 Dec 2015 00:55:59 -0800 Subject: vfs: hoist the btrfs deduplication ioctl to the vfs Hoist the btrfs EXTENT_SAME ioctl up to the VFS and make the name more systematic (FIDEDUPERANGE). Signed-off-by: Darrick J. Wong Signed-off-by: Al Viro --- include/linux/fs.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux') diff --git a/include/linux/fs.h b/include/linux/fs.h index 5d987aefcf1e..d71814b81a3c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1633,6 +1633,8 @@ struct file_operations { loff_t, size_t, unsigned int); int (*clone_file_range)(struct file *, loff_t, struct file *, loff_t, u64); + ssize_t (*dedupe_file_range)(struct file *, u64, u64, struct file *, + u64); }; struct inode_operations { @@ -1688,6 +1690,8 @@ extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, loff_t, size_t, unsigned int); extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, u64 len); +extern int vfs_dedupe_file_range(struct file *file, + struct file_dedupe_range *same); struct super_operations { struct inode *(*alloc_inode)(struct super_block *sb); -- cgit