From: Alexander Block <ablock84@googlemail.com>
Date: Wed, 20 Jun 2012 16:42:19 +0000 (+0200)
Subject: Btrfs-progs: update ioctl.h to support clone range ioctl
X-Git-Tag: upstream/0.20.rc1~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9cc8f761297647427641cdb1ad0ae84895812c4b;p=platform%2Fupstream%2Fbtrfs-progs.git

Btrfs-progs: update ioctl.h to support clone range ioctl

Added missing btrfs_ioctl_clone_range_args and BTRFS_IOC_CLONE_RANGE
to ioctl.h

Signed-off-by: Alexander Block <ablock84@googlemail.com>
---

diff --git a/ioctl.h b/ioctl.h
index 6670e08..023ca4c 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -281,6 +281,13 @@ struct btrfs_ioctl_logical_ino_args {
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
 				   struct btrfs_ioctl_vol_args)
+
+struct btrfs_ioctl_clone_range_args {
+	__s64 src_fd;
+	__u64 src_offset, src_length;
+	__u64 dest_offset;
+};
+
 /* trans start and trans end are dangerous, and only for
  * use by applications that know how to avoid the
  * resulting deadlocks
@@ -296,7 +303,8 @@ struct btrfs_ioctl_logical_ino_args {
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
 				   struct btrfs_ioctl_vol_args)
-/* 13 is for CLONE_RANGE */
+#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
+				   struct btrfs_ioctl_clone_range_args)
 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \