Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / fs / btrfs / ioctl.h

diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index c344d12c646bf7d1cbb953f8c4aba6257b6db8b9..8fb382167b13b55670e6411785f006defccc9d0d 100644 (file)
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -31,6 +31,7 @@ struct btrfs_ioctl_vol_args {
 };
 
 #define BTRFS_SUBVOL_CREATE_ASYNC      (1ULL << 0)
+#define BTRFS_SUBVOL_RDONLY            (1ULL << 1)
 
 #define BTRFS_SUBVOL_NAME_MAX 4039
 struct btrfs_ioctl_vol_args_v2 {
@@ -133,8 +134,15 @@ struct btrfs_ioctl_defrag_range_args {
         */
        __u32 extent_thresh;
 
+       /*
+        * which compression method to use if turning on compression
+        * for this defrag operation.  If unspecified, zlib will
+        * be used
+        */
+       __u32 compress_type;
+
        /* spare for later */
-       __u32 unused[5];
+       __u32 unused[4];
 };
 
 struct btrfs_ioctl_space_info {
@@ -193,4 +201,6 @@ struct btrfs_ioctl_space_args {
 #define BTRFS_IOC_WAIT_SYNC  _IOW(BTRFS_IOCTL_MAGIC, 22, __u64)
 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
                                   struct btrfs_ioctl_vol_args_v2)
+#define BTRFS_IOC_SUBVOL_GETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 25, __u64)
+#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
 #endif