bcache in userspace; userspace fsck

1 files changed, 64 insertions, 0 deletions

diff --git a/tools-util.h b/tools-util.h
new file mode 100644
index 0000000..5c8ea13
--- /dev/null
+++ b/tools-util.h
@@ -0,0 +1,64 @@
+#ifndef _TOOLS_UTIL_H
+#define _TOOLS_UTIL_H
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#include <linux/byteorder.h>
+#include <linux/kernel.h>
+#include <linux/log2.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#define die(arg, ...)					\
+do {							\
+	fprintf(stderr, arg "\n", ##__VA_ARGS__);	\
+	exit(EXIT_FAILURE);				\
+} while (0)
+
+enum units {
+	BYTES,
+	SECTORS,
+	HUMAN_READABLE,
+};
+
+struct units_buf pr_units(u64, enum units);
+
+struct units_buf {
+	char	b[20];
+};
+
+long strtoul_or_die(const char *, size_t, const char *);
+
+u64 hatoi(const char *);
+unsigned hatoi_validate(const char *, const char *);
+unsigned nr_args(char * const *);
+
+char *read_file_str(int, const char *);
+u64 read_file_u64(int, const char *);
+
+ssize_t read_string_list(const char *, const char * const[]);
+ssize_t read_string_list_or_die(const char *, const char * const[],
+				const char *);
+void print_string_list(const char * const[], size_t);
+
+u64 get_size(const char *, int);
+unsigned get_blocksize(const char *, int);
+
+#include "linux/bcache.h"
+#include "linux/bcache-ioctl.h"
+
+int bcachectl_open(void);
+
+struct bcache_handle {
+	int	ioctl_fd;
+	int	sysfs_fd;
+};
+
+struct bcache_handle bcache_fs_open(const char *);
+
+bool ask_proceed(void);
+
+#endif /* _TOOLS_UTIL_H */