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- /*
- * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #ifndef _FS_STATE_H__
- #define _FS_STATE_H__
- #include <libubox/list.h>
- #include <libubox/blob.h>
- #include <libubox/ulog.h>
- #include <libubox/utils.h>
- struct volume;
- enum {
- FS_NONE,
- FS_SNAPSHOT,
- FS_JFFS2,
- FS_DEADCODE,
- FS_UBIFS,
- FS_F2FS,
- FS_EXT4,
- };
- enum fs_state {
- FS_STATE_UNKNOWN,
- FS_STATE_PENDING,
- FS_STATE_READY,
- __FS_STATE_LAST = FS_STATE_READY,
- };
- extern char const *extroot_prefix;
- extern int mount_extroot(void);
- extern int mount_snapshot(struct volume *v);
- extern int mount_overlay(struct volume *v);
- extern int mount_move(char *oldroot, char *newroot, char *dir);
- extern int pivot(char *new, char *old);
- extern int fopivot(char *rw_root, char *ro_root);
- extern int ramoverlay(void);
- extern int find_overlay_mount(char *overlay);
- extern char* find_mount(char *mp);
- extern char* find_mount_point(char *block, int root_only);
- extern int find_filesystem(char *fs);
- extern int jffs2_switch(struct volume *v);
- extern int handle_whiteout(const char *dir);
- extern void foreachdir(const char *dir, int (*cb)(const char*));
- extern void overlay_delete(const char *dir, bool keep_sysupgrade);
- enum fs_state fs_state_get(const char *dir);
- int fs_state_set(const char *dir, enum fs_state state);
- #endif
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