1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * BTRFS filesystem implementation for U-Boot 4 * 5 * 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz 6 */ 7 8 #ifndef __BTRFS_BTRFS_H__ 9 #define __BTRFS_BTRFS_H__ 10 11 #include <linux/rbtree.h> 12 #include "conv-funcs.h" 13 14 extern struct btrfs_info btrfs_info; 15 extern struct btrfs_fs_info *current_fs_info; 16 17 /* compression.c */ 18 u32 btrfs_decompress(u8 type, const char *, u32, char *, u32); 19 20 /* inode.c */ 21 int btrfs_readlink(struct btrfs_root *root, u64 ino, char *target); 22 int btrfs_file_read(struct btrfs_root *root, u64 ino, u64 file_offset, u64 len, 23 char *dest); 24 25 /* subvolume.c */ 26 u64 btrfs_get_default_subvol_objectid(void); 27 28 #endif /* !__BTRFS_BTRFS_H__ */ 29