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-rw-r--r--fs/btrfs/ioctl.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 2d64a65842f3..81eac0a59ea3 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -1,4 +1,3 @@
-
/*
* Copyright (C) 2007 Oracle. All rights reserved.
*
@@ -127,6 +126,17 @@ struct btrfs_ioctl_defrag_range_args {
__u32 unused[5];
};
+struct btrfs_ioctl_space_info {
+ u64 flags;
+ u64 total_bytes;
+ u64 used_bytes;
+};
+
+struct btrfs_ioctl_space_args {
+ u64 space_slots;
+ u64 total_spaces;
+ struct btrfs_ioctl_space_info spaces[0];
+};
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
struct btrfs_ioctl_vol_args)
@@ -166,4 +176,6 @@ struct btrfs_ioctl_defrag_range_args {
#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
struct btrfs_ioctl_ino_lookup_args)
#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
+#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
+ struct btrfs_ioctl_space_args)
#endif