Initial bitmap support

[thirdparty/mdadm.git] / Create.c

diff --git a/Create.c b/Create.c
index 1717240bcf3deeeec377b79cc76b3ff47e4882a5..e1b173738dac11228b748320acc2cf3095f8bfbe 100644 (file)
--- a/Create.c
+++ b/Create.c
@@ -34,7 +34,8 @@
 int Create(struct supertype *st, char *mddev, int mdfd,
           int chunk, int level, int layout, unsigned long size, int raiddisks, int sparedisks,
           int subdevs, mddev_dev_t devlist,
-          int runstop, int verbose, int force)
+          int runstop, int verbose, int force,
+          char *bitmap_file, int bitmap_chunk, int delay)
 {
        /*
         * Create a new raid array.
@@ -66,6 +67,7 @@ int Create(struct supertype *st, char *mddev, int mdfd,
        int pass;
        int vers;
        int rv;
+       int bitmap_fd;
 
        mdu_array_info_t array;
        
@@ -358,6 +360,26 @@ int Create(struct supertype *st, char *mddev, int mdfd,
                return 1;
        }
 
+       if (bitmap_file) {
+               int uuid[4];
+               st->ss->uuid_from_super(uuid, super);
+               if (CreateBitmap(bitmap_file, force, (char*)uuid, bitmap_chunk, delay,
+                                array.size*2ULL /* FIXME wrong for raid10 */)) {
+                       return 1;
+               }
+               bitmap_fd = open(bitmap_file, O_RDWR);
+               if (bitmap_fd < 0) {
+                       fprintf(stderr, Name ": weird: %s cannot be openned\n",
+                              bitmap_file);
+                       return 1;
+               }
+               if (ioctl(mdfd, SET_BITMAP_FILE, bitmap_fd) < 0) {
+                       fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n",
+                               mddev, strerror(errno));
+                       return 1;
+               }
+       }
+
 
 
        for (pass=1; pass <=2 ; pass++) {