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-rw-r--r--fs/btrfs/ioctl.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 24d0f4628240..8fb382167b13 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -31,6 +31,7 @@ struct btrfs_ioctl_vol_args {
31}; 31};
32 32
33#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0) 33#define BTRFS_SUBVOL_CREATE_ASYNC (1ULL << 0)
34#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
34 35
35#define BTRFS_SUBVOL_NAME_MAX 4039 36#define BTRFS_SUBVOL_NAME_MAX 4039
36struct btrfs_ioctl_vol_args_v2 { 37struct btrfs_ioctl_vol_args_v2 {
@@ -200,4 +201,6 @@ struct btrfs_ioctl_space_args {
200#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64) 201#define BTRFS_IOC_WAIT_SYNC _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
201#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \ 202#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
202 struct btrfs_ioctl_vol_args_v2) 203 struct btrfs_ioctl_vol_args_v2)
204#define BTRFS_IOC_SUBVOL_GETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 25, __u64)
205#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
203#endif 206#endif