imsm: add support for checkpointing via 'curr_migr_unit'

[thirdparty/mdadm.git] / Build.c

diff --git a/Build.c b/Build.c
index 789aca45996bf8a37796e0de34f0e5192e3268a8..7f3925864731bf63e0c1c1a10357a3476a95a2fe 100644 (file)
--- a/Build.c
+++ b/Build.c
@@ -1,7 +1,7 @@
 /*
  * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -19,12 +19,7 @@
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  *    Author: Neil Brown
- *    Email: <neilb@cse.unsw.edu.au>
- *    Paper: Neil Brown
- *           School of Computer Science and Engineering
- *           The University of New South Wales
- *           Sydney, 2052
- *           Australia
+ *    Email: <neilb@suse.de>
  */
 
 #include "mdadm.h"
@@ -36,7 +31,7 @@
 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)
+         int delay, int verbose, int autof, unsigned long long size)
 {
        /* Build a linear or raid0 arrays without superblocks
         * We cannot really do any checks, we just do it.
@@ -57,9 +52,11 @@ int Build(char *mddev, int chunk, int level, int layout,
        int subdevs = 0, missing_disks = 0;
        mddev_dev_t dv;
        int bitmap_fd;
-       unsigned long long size = ~0ULL;
        unsigned long long bitmapsize;
        int mdfd;
+       char chosen_name[1024];
+       int uuid[4] = {0,0,0,0};
+       struct map_ent *map = NULL;
 
        /* scan all devices, make sure they really are block devices */
        for (dv = devlist; dv; dv=dv->next) {
@@ -114,9 +111,17 @@ int Build(char *mddev, int chunk, int level, int layout,
                }
 
        /* We need to create the device.  It can have no name. */
-       mdfd = create_mddev(mddev, NULL, autof, LOCAL, NULL);
-       if (mdfd < 0)
+       map_lock(&map);
+       mdfd = create_mddev(mddev, NULL, autof, LOCAL,
+                           chosen_name);
+       if (mdfd < 0) {
+               map_unlock(&map);
                return 1;
+       }
+       mddev = chosen_name;
+
+       map_update(&map, fd2devnum(mdfd), "none", uuid, chosen_name);
+       map_unlock(&map);
 
        vers = md_get_version(mdfd);
 
@@ -124,7 +129,7 @@ int Build(char *mddev, int chunk, int level, int layout,
        if (vers >= 9000) {
                mdu_array_info_t array;
                array.level = level;
-               array.size = 0;
+               array.size = size;
                array.nr_disks = raiddisks;
                array.raid_disks = raiddisks;
                array.md_minor = 0;
@@ -183,7 +188,7 @@ int Build(char *mddev, int chunk, int level, int layout,
                    (size == 0 || dsize < size))
                                size = dsize;
                close(fd);
-               if (vers>= 9000) {
+               if (vers >= 9000) {
                        mdu_disk_info_t disk;
                        disk.number = i;
                        disk.raid_disk = i;
@@ -270,6 +275,7 @@ int Build(char *mddev, int chunk, int level, int layout,
        if (verbose >= 0)
                fprintf(stderr, Name ": array %s built and started.\n",
                        mddev);
+       wait_for(mddev, mdfd);
        close(mdfd);
        return 0;