Pridany badblocky

diff --git a/c/mdraid-gen/mdraid.c b/c/mdraid-gen/mdraid.c
index 862237b25516207e57361eefe61a0d330998e4f5..f258b29f97c7dfb540b8faa5a39d539de97fdb37 100644 (file)
--- a/c/mdraid-gen/mdraid.c
+++ b/c/mdraid-gen/mdraid.c
@@ -59,6 +59,8 @@ static unsigned int calc_sb_1_csum(struct mdp_superblock_1 * sb)
 }
 
 int main() {
+       //printf("Superblock\n");
+
        size_t data_size = 8192; //512B sectors (should be divisible by 8 sectors to keep 4kB alignment)
 
        srand(time(NULL)); //FIXME: Seed UUID properly
@@ -68,7 +70,7 @@ int main() {
        /* constant array information - 128 bytes */
        sb.magic = 0xa92b4efc;          /* MD_SB_MAGIC: 0xa92b4efc - little endian */
        sb.major_version = 1;   /* 1 */
-       sb.feature_map = 0;     /* bit 0 set if 'bitmap_offset' is meaningful */
+       sb.feature_map = 0; //MD_FEATURE_BITMAP_OFFSET; /* bit 0 set if 'bitmap_offset' is meaningful */ //FIXME: internal bitmap bit is not seen by mdadm????
        sb.pad0 = 0;            /* always set to 0 when writing */
 
        //TODO: set these
@@ -99,6 +101,14 @@ int main() {
                //#define       WriteMostly1    1       /* mask for writemostly flag in above */
                //#define       FailFast1       2       /* Should avoid retries and fixups and just fail */
 
+               /* Bad block log.  If there are any bad blocks the feature flag is set.
+               * If offset and size are non-zero, that space is reserved and available
+               */
+       sb.bblog_shift=9;    /* shift from sectors to block size */ //FIXME: not sure with this!
+       sb.bblog_size=8; /* number of sectors reserved for list */
+       sb.bblog_offset=16;   /* sector offset from superblock to bblog,
+                       * signed - not unsigned */
+
        /* array state information - 64 bytes */
        sb.utime=0;             /* 40 bits second, 24 bits microseconds */
        sb.events=0;            /* incremented when superblock updated */
@@ -115,10 +125,9 @@ int main() {
        //__le16        dev_roles[];    /* role in array, or 0xffff for a spare, or 0xfffe for faulty */
 
 
+       //Calculate checksum
        sb.sb_csum=calc_sb_1_csum(&sb);
 
-       //printf("Superblock\n");
-
        //Empty space before metadata (sector 0 - 7)
        for(int i=0;i<(sb.super_offset*512);i++) putc(0, stdout);