Support bitmaps with raid10

[thirdparty/mdadm.git] / mdadm.h

diff --git a/mdadm.h b/mdadm.h
index fa8ea69bcd7fa3692566bd993da11511c9a4ac6f..2abb0f0c1297ecac79dd4394a415dcf45c5375cc 100644 (file)
--- a/mdadm.h
+++ b/mdadm.h
@@ -64,6 +64,7 @@ char *strncpy(char *dest, const char *src, size_t n) __THROW;
 
 #define DEFAULT_BITMAP_CHUNK 4096
 #define DEFAULT_BITMAP_DELAY 5
+#define DEFAULT_MAX_WRITE_BEHIND 256
 
 #include       "md_u.h"
 #include       "md_p.h"
@@ -111,6 +112,7 @@ typedef struct mddev_ident_s {
        
        int     uuid_set;
        int     uuid[4];
+       char    name[33];
 
        unsigned int super_minor;
 
@@ -134,6 +136,8 @@ 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 re_add;
        struct mddev_dev_s *next;
 } *mddev_dev_t;
 
@@ -175,19 +179,20 @@ extern struct superswitch {
        void (*detail_super)(void *sbv);
        void (*brief_detail_super)(void *sbv);
        void (*uuid_from_super)(int uuid[4], void *sbv);
-       void (*getinfo_super)(struct mdinfo *info, void *sbv);
+       void (*getinfo_super)(struct mdinfo *info, mddev_ident_t ident, void *sbv);
        int (*update_super)(struct mdinfo *info, void *sbv, char *update, char *devname, int verbose);
        __u64 (*event_super)(void *sbv);
-       int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info);
+       int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info, char *name);
        void (*add_to_super)(void *sbv, mdu_disk_info_t *dinfo);
        int (*store_super)(struct supertype *st, int fd, void *sbv);
        int (*write_init_super)(struct supertype *st, void *sbv, mdu_disk_info_t *dinfo, char *devname);
        int (*compare_super)(void **firstp, void *secondv);
        int (*load_super)(struct supertype *st, int fd, void **sbp, char *devname);
        struct supertype * (*match_metadata_desc)(char *arg);
-       __u64 (*avail_size)(__u64 size);
-       int (*add_internal_bitmap)(void *sbv, int chunk, int delay, unsigned long long size);
-       void (*locate_bitmap)(struct supertype *st, int fd);
+       __u64 (*avail_size)(struct supertype *st, __u64 size);
+       int (*add_internal_bitmap)(struct supertype *st, void *sbv, int chunk, int delay, int write_behind,
+                                  unsigned long long size, int may_change, int major);
+       void (*locate_bitmap)(struct supertype *st, int fd, void *sbv);
        int (*write_bitmap)(struct supertype *st, int fd, void *sbv);
        int major;
        int swapuuid; /* true if uuid is bigending rather than hostendian */
@@ -221,9 +226,9 @@ extern int Manage_runstop(char *devname, int fd, int runstop, int quiet);
 extern int Manage_resize(char *devname, int fd, long long size, int raid_disks);
 extern int Manage_reconfig(char *devname, int fd, int layout);
 extern int Manage_subdevs(char *devname, int fd,
-                         mddev_dev_t devlist);
+                         mddev_dev_t devlist, int verbose);
 extern int Grow_Add_device(char *devname, int fd, char *newdev);
-extern int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay);
+extern int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int write_behind);
 
 
 extern int Assemble(struct supertype *st, char *mddev, int mdfd,
@@ -237,14 +242,15 @@ extern int Assemble(struct supertype *st, char *mddev, int mdfd,
 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 delay);
+                char *bitmap_file, int bitmap_chunk, int write_behind, int delay, int verbose);
 
 
 extern int Create(struct supertype *st, char *mddev, int mdfd,
                  int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks,
+                 char *name,
                  int subdevs, mddev_dev_t devlist,
                  int runstop, int verbose, int force,
-                 char *bitmap_file, int bitmap_chunk, int delay);
+                 char *bitmap_file, int bitmap_chunk, int write_behind, int delay);
 
 extern int Detail(char *dev, int brief, int test);
 extern int Query(char *dev);
@@ -259,7 +265,9 @@ extern int Kill(char *dev, int force);
 
 extern int CreateBitmap(char *filename, int force, char uuid[16],
                        unsigned long chunksize, unsigned long daemon_sleep,
-                       unsigned long long array_size);
+                       unsigned long write_behind,
+                       unsigned long long array_size,
+                       int major);
 extern int ExamineBitmap(char *filename, int brief, struct supertype *st);
 
 extern int md_get_version(int fd);
@@ -285,7 +293,8 @@ extern void uuid_from_super(int uuid[4], mdp_super_t *super);
 extern int same_uuid(int a[4], int b[4], int swapuuid);
 /* extern int compare_super(mdp_super_t *first, mdp_super_t *second);*/
 extern unsigned long calc_csum(void *super, int bytes);
-extern int enough(int level, int raid_disks, int avail_disks);
+extern int enough(int level, int raid_disks, int layout,
+                  char *avail, int avail_disks);
 extern int ask(char *mesg);