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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>
master
Alexander Block 2012-06-20 18:42:19 +02:00 committed by Chris Mason
parent e998a46d26
commit 9cc8f76129
1 changed files with 9 additions and 1 deletions
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10
ioctl.h
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@ -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, \