Treat feature as experimental

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index f9a53fe47c7b2aa89cad9083d0ffc926f8048e5e..bfeddd0a0e46ac8e3ec9a12b20c75e8c774ab062 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -794,7 +794,7 @@ static inline struct supertype *guess_super(int fd) {
 extern struct supertype *dup_super(struct supertype *st);
 extern int get_dev_size(int fd, char *dname, unsigned long long *sizep);
 extern int must_be_container(int fd);
-extern int dev_size_from_id(unsigned id, unsigned long long *size);
+extern int dev_size_from_id(dev_t id, unsigned long long *size);
 extern void get_one_disk(int mdfd, mdu_array_info_t *ainf,
                         mdu_disk_info_t *disk);
 void wait_for(char *dev, int fd);
@@ -1040,6 +1040,7 @@ extern char *conf_word(FILE *file, int allow_key);
 extern int conf_name_is_free(char *name);
 extern int devname_matches(char *name, char *match);
 extern struct mddev_ident *conf_match(struct mdinfo *info, struct supertype *st);
+extern int experimental(void);
 
 extern void free_line(char *line);
 extern int match_oneof(char *devices, char *devname);
@@ -1136,7 +1137,9 @@ static inline int is_subarray(char *vers)
        /* The version string for a 'subarray' (an array in a container)
         * is 
         *    /containername/componentname    for normal read-write arrays
-        *    -containername/componentname    for read-only arrays.
+        *    -containername/componentname    for arrays which mdmon must not
+        *                                    reconfigure.  They might be read-only
+        *                                    or might be undergoing reshape etc.
         * containername is e.g. md0, md_d1
         * componentname is dependant on the metadata. e.g. '1' 'S1' ...
         */