#include <errno.h>
#include <string.h>
#include <syslog.h>
+#include <stdbool.h>
+#include <signal.h>
/* Newer glibc requires sys/sysmacros.h directly for makedev() */
#include <sys/sysmacros.h>
#ifdef __dietlibc__
int gid;
int autof;
int mode;
- int symlinks;
int names;
int bblist;
struct supertype *supertype;
};
extern char short_options[];
+extern char short_monitor_options[];
extern char short_bitmap_options[];
extern char short_bitmap_auto_options[];
extern struct option long_options[];
BackupFile,
HomeHost,
AutoHomeHost,
- Symlinks,
AutoDetect,
Waitclean,
DetailPlatform,
int assume_clean;
int write_behind;
unsigned long long size;
+ unsigned long long data_offset;
int consistency_policy;
};
#endif
#define SYSLOG_FACILITY LOG_DAEMON
-
+extern char *map_num_s(mapping_t *map, int num);
extern char *map_num(mapping_t *map, int num);
extern int map_name(mapping_t *map, char *name);
extern mapping_t r0layout[], r5layout[], r6layout[],
return map_dev_preferred(major, minor, create, NULL);
}
+/**
+ * is_fd_valid() - check file descriptor.
+ * @fd: file descriptor.
+ *
+ * The function checks if @fd is nonnegative integer and shall be used only
+ * to verify open() result.
+ */
+static inline int is_fd_valid(int fd)
+{
+ return (fd > -1);
+}
+
+/**
+ * is_level456() - check whether given level is between inclusive 4 and 6.
+ * @level: level to check.
+ *
+ * Return: true if condition is met, false otherwise
+ */
+static inline bool is_level456(int level)
+{
+ return (level >= 4 && level <= 6);
+}
+
+/**
+ * close_fd() - verify, close and unset file descriptor.
+ * @fd: pointer to file descriptor.
+ *
+ * The function closes and invalidates file descriptor if appropriative. It
+ * ignores incorrect file descriptor quitely to simplify error handling.
+ */
+static inline void close_fd(int *fd)
+{
+ if (is_fd_valid(*fd) && close(*fd) == 0)
+ *fd = -1;
+}
+
struct active_array;
struct metadata_update;
int (*add_internal_bitmap)(struct supertype *st, int *chunkp,
int delay, int write_behind,
unsigned long long size, int may_change, int major);
+ /* Perform additional setup required to activate a bitmap.
+ */
+ int (*set_bitmap)(struct supertype *st, struct mdinfo *info);
/* Seek 'fd' to start of write-intent-bitmap. Must be an
* md-native format bitmap
*/
/* for mdmon */
int (*open_new)(struct supertype *c, struct active_array *a,
- char *inst);
+ int inst);
/* Tell the metadata handler the current state of the array.
* This covers whether it is known to be consistent (no pending writes)
struct context *c, struct shape *s);
extern int Grow_reshape(char *devname, int fd,
struct mddev_dev *devlist,
- unsigned long long data_offset,
struct context *c, struct shape *s);
extern int Grow_restart(struct supertype *st, struct mdinfo *info,
int *fdlist, int cnt, char *backup_file, int verbose);
char *name, int *uuid,
int subdevs, struct mddev_dev *devlist,
struct shape *s,
- struct context *c,
- unsigned long long data_offset);
+ struct context *c);
extern int Detail(char *dev, struct context *c);
extern int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path);
extern int mdadm_version(char *version);
extern unsigned long long parse_size(char *size);
extern int parse_uuid(char *str, int uuid[4]);
+int default_layout(struct supertype *st, int level, int verbose);
extern int is_near_layout_10(int layout);
extern int parse_layout_10(char *layout);
extern int parse_layout_faulty(char *layout);
-extern long parse_num(char *num);
+extern int parse_num(int *dest, char *num);
extern int parse_cluster_confirm_arg(char *inp, char **devname, int *slot);
extern int check_ext2(int fd, char *name);
extern int check_reiser(int fd, char *name);
extern int fstat_is_blkdev(int fd, char *devname, dev_t *rdev);
extern int stat_is_blkdev(char *devname, dev_t *rdev);
+extern bool is_dev_alive(char *path);
extern int get_mdp_major(void);
extern int get_maj_min(char *dev, int *major, int *minor);
+extern bool is_bit_set(int *val, unsigned char index);
extern int dev_open(char *dev, int flags);
extern int open_dev(char *devnm);
extern void reopen_mddev(int mdfd);
extern char *conf_get_program(void);
extern char *conf_get_homehost(int *require_homehostp);
extern char *conf_get_homecluster(void);
+extern int conf_get_monitor_delay(void);
extern char *conf_line(FILE *file);
extern char *conf_word(FILE *file, int allow_key);
extern void print_quoted(char *str);
#define FOREIGN 2
#define METADATA 3
extern int open_mddev(char *dev, int report_errors);
+extern int is_mddev(char *dev);
extern int open_container(int fd);
extern int metadata_container_matches(char *metadata, char *devnm);
extern int metadata_subdev_matches(char *metadata, char *devnm);
extern char *stat2kname(struct stat *st);
extern char *fd2kname(int fd);
extern char *stat2devnm(struct stat *st);
+bool stat_is_md_dev(struct stat *st);
extern char *fd2devnm(int fd);
extern void udev_block(char *devnm);
extern void udev_unblock(void);
extern int cluster_release_dlmlock(void);
extern void set_dlm_hooks(void);
+#define MSEC_TO_NSEC(msec) ((msec) * 1000000)
+#define USEC_TO_NSEC(usec) ((usec) * 1000)
+extern void sleep_for(unsigned int sec, long nsec, bool wake_after_interrupt);
+
#define _ROUND_UP(val, base) (((val) + (base) - 1) & ~(base - 1))
#define ROUND_UP(val, base) _ROUND_UP(val, (typeof(val))(base))
#define ROUND_UP_PTR(ptr, base) ((typeof(ptr)) \
return &ent->metadata_version[10+strlen(container)+1];
}
+/**
+ * signal_s() - Wrapper for sigaction() with signal()-like interface.
+ * @sig: The signal to set the signal handler to.
+ * @handler: The signal handler.
+ *
+ * Return: previous handler or SIG_ERR on failure.
+ */
+static inline sighandler_t signal_s(int sig, sighandler_t handler)
+{
+ struct sigaction new_act;
+ struct sigaction old_act;
+
+ new_act.sa_handler = handler;
+ new_act.sa_flags = 0;
+
+ if (sigaction(sig, &new_act, &old_act) == 0)
+ return old_act.sa_handler;
+
+ return SIG_ERR;
+}
+
#ifdef DEBUG
#define dprintf(fmt, arg...) \
fprintf(stderr, "%s: %s: "fmt, Name, __func__, ##arg)
#define INVALID_SECTORS 1
/* And another special number needed for --data_offset=variable */
#define VARIABLE_OFFSET 3
+
+/**
+ * This is true for native and DDF, IMSM allows 16.
+ */
+#define MD_NAME_MAX 32
+
+/**
+ * is_container() - check if @level is &LEVEL_CONTAINER
+ * @level: level value
+ *
+ * return:
+ * 1 if level is equal to &LEVEL_CONTAINER, 0 otherwise.
+ */
+static inline int is_container(const int level)
+{
+ if (level == LEVEL_CONTAINER)
+ return 1;
+ return 0;
+}
projects / thirdparty / mdadm.git / blobdiff