util: make env checking more generic

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index 5bc41e81d3bbd8fc6b3ef46d3a7b4d13028a74a4..69afe7cc674127391b0fba7d3613a18e682c523d 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -259,6 +259,12 @@ typedef struct mddev_ident_s {
        char    *bitmap_file;
        int     bitmap_fd;
 
+       char    *container;     /* /dev/whatever name of container.  You
+                                * would expect this to be the 'devname'
+                                * of some other entry.
+                                */
+       char    *member;        /* subarray within a container */
+
        struct mddev_ident_s *next;
 } *mddev_ident_t;
 
@@ -268,7 +274,7 @@ typedef struct mddev_dev_s {
        char disposition;       /* 'a' for add, 'r' for remove, 'f' for fail.
                                 * Not set for names read from .config
                                 */
-       char writemostly;
+       char writemostly;       /* 1 for 'set writemostly', 2 for 'clear writemostly' */
        char re_add;
        char used;              /* set when used */
        struct mddev_dev_s *next;
@@ -446,8 +452,7 @@ extern struct superswitch {
        void (*getinfo_super)(struct supertype *st, struct mdinfo *info);
 
        /* Check if the given metadata is flagged as belonging to "this"
-        * host.  For arrays that don't determine a minor-number, this
-        * can always be true (??)
+        * host.  0 for 'no', 1 for 'yes', -1 for "Don't record homehost"
         */
        int (*match_home)(struct supertype *st, char *homehost);
 
@@ -687,25 +692,25 @@ extern int Grow_restart(struct supertype *st, struct mdinfo *info,
                        int *fdlist, int cnt, char *backup_file);
 
 
-extern int Assemble(struct supertype *st, char *mddev, int mdfd,
+extern int Assemble(struct supertype *st, char *mddev,
                    mddev_ident_t ident,
                    mddev_dev_t devlist, char *backup_file,
                    int readonly, int runstop,
                    char *update, char *homehost,
                    int verbose, int force);
 
-extern int Build(char *mddev, int mdfd, int chunk, int level, int layout,
-                int raiddisks,
-                mddev_dev_t devlist, int assume_clean,
-                char *bitmap_file, int bitmap_chunk, int write_behind, int delay, int verbose);
+extern int Build(char *mddev, int chunk, int level, int layout,
+                int raiddisks, mddev_dev_t devlist, int assume_clean,
+                char *bitmap_file, int bitmap_chunk, int write_behind,
+                int delay, int verbose, int autof);
 
 
-extern int Create(struct supertype *st, char *mddev, int mdfd,
+extern int Create(struct supertype *st, char *mddev,
                  int chunk, int level, int layout, unsigned long long size, int raiddisks, int sparedisks,
                  char *name, char *homehost, int *uuid,
                  int subdevs, mddev_dev_t devlist,
                  int runstop, int verbose, int force, int assume_clean,
-                 char *bitmap_file, int bitmap_chunk, int write_behind, int delay);
+                 char *bitmap_file, int bitmap_chunk, int write_behind, int delay, int autof);
 
 extern int Detail(char *dev, int brief, int export, int test, char *homehost);
 extern int Query(char *dev);
@@ -718,7 +723,7 @@ extern int Monitor(mddev_dev_t devlist,
 
 extern int Kill(char *dev, int force, int quiet, int noexcl);
 extern int Wait(char *dev);
-extern int WaitClean(char *dev);
+extern int WaitClean(char *dev, int verbose);
 
 extern int Incremental(char *devname, int verbose, int runstop,
                       struct supertype *st, char *homehost, int autof);
@@ -734,6 +739,7 @@ extern int CreateBitmap(char *filename, int force, char uuid[16],
                        int major);
 extern int ExamineBitmap(char *filename, int brief, struct supertype *st);
 extern int bitmap_update_uuid(int fd, int *uuid, int swap);
+extern unsigned long bitmap_sectors(struct bitmap_super_s *bsb);
 
 extern int md_get_version(int fd);
 extern int get_linux_version(void);
@@ -762,8 +768,11 @@ extern char *conf_word(FILE *file, int allow_key);
 extern void free_line(char *line);
 extern int match_oneof(char *devices, char *devname);
 extern void uuid_from_super(int uuid[4], mdp_super_t *super);
+extern const int uuid_match_any[4];
 extern int same_uuid(int a[4], int b[4], int swapuuid);
 extern void copy_uuid(void *a, int b[4], int swapuuid);
+extern char *fname_from_uuid(struct supertype *st,
+                            struct mdinfo *info, char *buf, char sep);
 extern unsigned long calc_csum(void *super, int bytes);
 extern int enough(int level, int raid_disks, int layout, int clean,
                   char *avail, int avail_disks);
@@ -774,13 +783,15 @@ extern unsigned long long calc_array_size(int level, int raid_disks, int layout,
                                   int chunksize, unsigned long long devsize);
 extern int flush_metadata_updates(struct supertype *st);
 extern void append_metadata_update(struct supertype *st, void *buf, int len);
+extern struct superswitch *find_metadata_methods(char *vers);
 
 extern int add_disk(int mdfd, struct supertype *st,
                    struct mdinfo *sra, struct mdinfo *info);
 extern int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info);
 
 extern char *human_size(long long bytes);
-char *human_size_brief(long long bytes);
+extern char *human_size_brief(long long bytes);
+extern void print_r10_layout(int layout);
 
 #define NoMdDev (1<<23)
 extern int find_free_devnum(int use_partitions);
@@ -790,14 +801,15 @@ extern char *get_md_name(int dev);
 
 extern char DefaultConfFile[];
 
-extern int open_mddev(char *dev, int autof);
-extern int open_mddev_devnum(char *devname, int devnum, char *name,
+extern int create_mddev(char *dev, int autof);
+extern int open_mddev(char *dev, int report_errors);
+extern int create_mddev_devnum(char *devname, int devnum, char *name,
                             char *chosen_name, int parts);
 extern int open_container(int fd);
 
 extern int mdmon_running(int devnum);
 extern int signal_mdmon(int devnum);
-extern int env_no_mdmon(void);
+extern int check_env(char *name);
 extern int start_mdmon(int devnum);
 
 extern char *devnum2devname(int num);
@@ -837,6 +849,14 @@ static inline int is_subarray(char *vers)
        return (*vers == '/' || *vers == '-');
 }
 
+#ifdef DEBUG
+#define dprintf(fmt, arg...) \
+       fprintf(stderr, fmt, ##arg)
+#else
+#define dprintf(fmt, arg...) \
+        ({ if (0) fprintf(stderr, fmt, ##arg); 0; })
+#endif
+
 #define        LEVEL_MULTIPATH         (-4)
 #define        LEVEL_LINEAR            (-1)
 #define        LEVEL_FAULTY            (-5)