kernel/3.10: move squashfs check from rootfs split code into a separate file
[openwrt.git] / target / linux / generic / files / drivers / mtd / mtdsplit.h
1 /*
2  * Copyright (C) 2009-2013 Felix Fietkau <nbd@openwrt.org>
3  * Copyright (C) 2009-2013 Gabor Juhos <juhosg@openwrt.org>
4  * Copyright (C) 2012 Jonas Gorski <jogo@openwrt.org>
5  * Copyright (C) 2013 Hauke Mehrtens <hauke@hauke-m.de>
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License version 2 as published
9  * by the Free Software Foundation.
10  *
11  */
12
13 #ifndef _MTDSPLIT_H
14 #define _MTDSPLIT_H
15
16 #define ROOTFS_SPLIT_NAME       "rootfs_data"
17
18 #ifdef CONFIG_MTD_SPLIT
19 int mtd_get_squashfs_len(struct mtd_info *master,
20                          size_t offset,
21                          size_t *squashfs_len);
22 #else
23 static inline int mtd_get_squashfs_len(struct mtd_info *master,
24                                        size_t offset,
25                                        size_t *squashfs_len)
26 {
27         return -ENODEV;
28 }
29 #endif
30
31 #endif /* _MTDSPLIT_H */