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-rw-r--r--fs/btrfs/ioctl.h14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 78049ea208db..b320b103fa13 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -22,13 +22,20 @@
22 22
23#define BTRFS_IOCTL_MAGIC 0x94 23#define BTRFS_IOCTL_MAGIC 0x94
24#define BTRFS_VOL_NAME_MAX 255 24#define BTRFS_VOL_NAME_MAX 255
25#define BTRFS_PATH_NAME_MAX 3072 25#define BTRFS_PATH_NAME_MAX 4087
26 26
27/* this should be 4k */
27struct btrfs_ioctl_vol_args { 28struct btrfs_ioctl_vol_args {
28 __s64 fd; 29 __s64 fd;
29 char name[BTRFS_PATH_NAME_MAX + 1]; 30 char name[BTRFS_PATH_NAME_MAX + 1];
30}; 31};
31 32
33struct btrfs_ioctl_clone_range_args {
34 __s64 src_fd;
35 __u64 src_offset, src_length;
36 __u64 dest_offset;
37};
38
32#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ 39#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
33 struct btrfs_ioctl_vol_args) 40 struct btrfs_ioctl_vol_args)
34#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ 41#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
@@ -52,11 +59,6 @@ struct btrfs_ioctl_vol_args {
52 struct btrfs_ioctl_vol_args) 59 struct btrfs_ioctl_vol_args)
53#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ 60#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
54 struct btrfs_ioctl_vol_args) 61 struct btrfs_ioctl_vol_args)
55struct btrfs_ioctl_clone_range_args {
56 __s64 src_fd;
57 __u64 src_offset, src_length;
58 __u64 dest_offset;
59};
60 62
61#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ 63#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
62 struct btrfs_ioctl_clone_range_args) 64 struct btrfs_ioctl_clone_range_args)