btrfs: new ioctls to do logical->inode and inode->path resolving
these ioctls make use of the new functions initially added for scrub. they
return all inodes belonging to a logical address (BTRFS_IOC_LOGICAL_INO) and
all paths belonging to an inode (BTRFS_IOC_INO_PATHS).
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 1857e38..2da30d4 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -204,6 +204,20 @@
};
};
+struct btrfs_ioctl_ino_path_args {
+ __u64 inum; /* in */
+ __u32 size; /* in */
+ __u64 reserved[4];
+ struct btrfs_data_container *fspath; /* out */
+};
+
+struct btrfs_ioctl_logical_ino_args {
+ __u64 logical; /* in */
+ __u32 size; /* in */
+ __u64 reserved[4];
+ struct btrfs_data_container *inodes; /* out */
+};
+
#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
struct btrfs_ioctl_vol_args)
#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
@@ -259,4 +273,9 @@
struct btrfs_ioctl_dev_info_args)
#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
struct btrfs_ioctl_fs_info_args)
+#define BTRFS_IOC_INO_PATHS _IOWR(BTRFS_IOCTL_MAGIC, 35, \
+ struct btrfs_ioctl_ino_path_args)
+#define BTRFS_IOC_LOGICAL_INO _IOWR(BTRFS_IOCTL_MAGIC, 36, \
+ struct btrfs_ioctl_ino_path_args)
+
#endif