btrfs: new ioctls for scrub

[pandora-kernel.git] / fs / btrfs / ioctl.h

diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 37ac030..1a638ce 100644 (file)
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -32,6 +32,8 @@ struct btrfs_ioctl_vol_args {
 
 #define BTRFS_SUBVOL_CREATE_ASYNC      (1ULL << 0)
 #define BTRFS_SUBVOL_RDONLY            (1ULL << 1)
+#define BTRFS_FSID_SIZE 16
+#define BTRFS_UUID_SIZE 16
 
 #define BTRFS_SUBVOL_NAME_MAX 4039
 struct btrfs_ioctl_vol_args_v2 {
@@ -79,6 +81,33 @@ struct btrfs_scrub_progress {
                                         * Intermittent error. */
 };
 
+struct btrfs_ioctl_scrub_args {
+       __u64 devid;                            /* in */
+       __u64 start;                            /* in */
+       __u64 end;                              /* in */
+       __u64 flags;                            /* in */
+       struct btrfs_scrub_progress progress;   /* out */
+       /* pad to 1k */
+       __u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];
+};
+
+#define BTRFS_DEVICE_PATH_NAME_MAX 1024
+struct btrfs_ioctl_dev_info_args {
+       __u64 devid;                            /* in/out */
+       __u8 uuid[BTRFS_UUID_SIZE];             /* in/out */
+       __u64 bytes_used;                       /* out */
+       __u64 total_bytes;                      /* out */
+       __u64 unused[379];                      /* pad to 4k */
+       __u8 path[BTRFS_DEVICE_PATH_NAME_MAX];  /* out */
+};
+
+struct btrfs_ioctl_fs_info_args {
+       __u64 max_id;                           /* out */
+       __u64 num_devices;                      /* out */
+       __u8 fsid[BTRFS_FSID_SIZE];             /* out */
+       __u64 reserved[124];                    /* pad to 1k */
+};
+
 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
 struct btrfs_ioctl_ino_lookup_args {
        __u64 treeid;
@@ -240,4 +269,13 @@ struct btrfs_ioctl_space_args {
                                   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)
+#define BTRFS_IOC_SCRUB _IOWR(BTRFS_IOCTL_MAGIC, 27, \
+                             struct btrfs_ioctl_scrub_args)
+#define BTRFS_IOC_SCRUB_CANCEL _IO(BTRFS_IOCTL_MAGIC, 28)
+#define BTRFS_IOC_SCRUB_PROGRESS _IOWR(BTRFS_IOCTL_MAGIC, 29, \
+                                      struct btrfs_ioctl_scrub_args)
+#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
+                                struct btrfs_ioctl_dev_info_args)
+#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
+                              struct btrfs_ioctl_fs_info_args)
 #endif