Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __COW_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __COW_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) extern int init_cow_file(int fd, char *cow_file, char *backing_file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 			 int sectorsize, int alignment, int *bitmap_offset_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 			 unsigned long *bitmap_len_out, int *data_offset_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) extern int file_reader(__u64 offset, char *buf, int len, void *arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) extern int read_cow_header(int (*reader)(__u64, char *, int, void *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 			   void *arg, __u32 *version_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 			   char **backing_file_out, long long *mtime_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 			   unsigned long long *size_out, int *sectorsize_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 			   __u32 *align_out, int *bitmap_offset_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern int write_cow_header(char *cow_file, int fd, char *backing_file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 			    int sectorsize, int alignment,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 			    unsigned long long *size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) extern void cow_sizes(int version, __u64 size, int sectorsize, int align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		      int bitmap_offset, unsigned long *bitmap_len_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		      int *data_offset_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  * ---------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  * Local variables:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  * c-file-style: "linux"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  * End:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  */