Remove getinfo_super_n and do some other cleaning up.
[thirdparty/mdadm.git] / super-ddf.c
index 50fd16b..a547006 100644 (file)
@@ -401,6 +401,7 @@ struct ddf_super {
        struct virtual_disk     *virt;
        int pdsize, vdsize;
        int max_part, mppe, conf_rec_len;
+       int currentdev;
        struct vcl {
                struct vcl      *next;
                __u64           *lba_offset; /* location in 'conf' of
@@ -408,13 +409,14 @@ struct ddf_super {
                int     vcnum; /* index into ->virt */
                __u64           *block_sizes; /* NULL if all the same */
                struct vd_config conf;
-       } *conflist, *newconf;
+       } *conflist, *currentconf;
        struct dl {
                struct dl       *next;
                struct disk_data disk;
                int major, minor;
                char *devname;
                int fd;
+               unsigned long long size; /* sectors */
                int pdnum;      /* index in ->phys */
                struct spare_assign *spare;
                struct vcl *vlist[0]; /* max_part in size */
@@ -628,6 +630,7 @@ static int load_ddf_local(int fd, struct ddf_super *super,
        int i;
        int vnum;
        int max_virt_disks = __be16_to_cpu(super->active->max_vd_entries);
+       unsigned long long dsize;
 
        /* First the local disk info */
        dl = malloc(sizeof(*dl) +
@@ -644,6 +647,10 @@ static int load_ddf_local(int fd, struct ddf_super *super,
        dl->minor = minor(stb.st_rdev);
        dl->next = super->dlist;
        dl->fd = keep ? fd : -1;
+
+       dl->size = 0;
+       if (get_dev_size(fd, devname, &dsize))
+               dl->size = dsize >> 9;
        dl->spare = NULL;
        for (i=0 ; i < super->max_part ; i++)
                dl->vlist[i] = NULL;
@@ -1206,17 +1213,17 @@ static void uuid_from_super_ddf(struct supertype *st, int uuid[4])
         * The first 16 bytes of the sha1 of these is used.
         */
        struct ddf_super *ddf = st->sb;
-       struct vd_config *vd = &ddf->newconf->conf;
+       struct vcl *vcl = ddf->currentconf;
 
-       if (!vd)
+       if (!vcl)
                memset(uuid, 0, sizeof (uuid));
        else {
                char buf[20];
                struct sha1_ctx ctx;
                sha1_init_ctx(&ctx);
-               sha1_process_bytes(&vd->guid, DDF_GUID_LEN, &ctx);
-               if (vd->sec_elmnt_count > 1)
-                       sha1_process_bytes(&vd->sec_elmnt_seq, 1, &ctx);
+               sha1_process_bytes(&vcl->conf.guid, DDF_GUID_LEN, &ctx);
+               if (vcl->conf.sec_elmnt_count > 1)
+                       sha1_process_bytes(&vcl->conf.sec_elmnt_seq, 1, &ctx);
                sha1_finish_ctx(&ctx, buf);
                memcpy(uuid, buf, sizeof(uuid));
        }
@@ -1235,20 +1242,24 @@ static void getinfo_super_ddf(struct supertype *st, struct mdinfo *info)
        info->array.utime         = 0;
        info->array.chunk_size    = 0;
 
-//     info->data_offset         = ???;
-//     info->component_size      = ???;
 
        info->disk.major = 0;
        info->disk.minor = 0;
        if (ddf->dlist) {
                info->disk.number = __be32_to_cpu(ddf->dlist->disk.refnum);
                info->disk.raid_disk = find_phys(ddf, ddf->dlist->disk.refnum);
+
+               info->data_offset = __be64_to_cpu(ddf->phys->
+                                         entries[info->disk.raid_disk].
+                                         config_size);
+               info->component_size = ddf->dlist->size - info->data_offset;
        } else {
                info->disk.number = -1;
 //             info->disk.raid_disk = find refnum in the table and use index;
        }
        info->disk.state = (1 << MD_DISK_SYNC);
 
+
        info->reshape_active = 0;
 
        strcpy(info->text_version, "ddf");
@@ -1258,36 +1269,33 @@ static void getinfo_super_ddf(struct supertype *st, struct mdinfo *info)
 //     info->name[] ?? ;
 }
 
-static void getinfo_super_n_container(struct supertype *st, struct mdinfo *info)
-{
-       /* just need offset and size */
-       struct ddf_super *ddf = st->sb;
-       int n = info->disk.number;
-
-       info->data_offset = __be64_to_cpu(ddf->phys->entries[n].config_size);
-       info->component_size = 32*1024*1024 / 512;
-}
-
 static int rlq_to_layout(int rlq, int prl, int raiddisks);
 
 static void getinfo_super_ddf_bvd(struct supertype *st, struct mdinfo *info)
 {
        struct ddf_super *ddf = st->sb;
-       struct vd_config *vd = find_vdcr(ddf, info->container_member);
+       struct vcl *vc = ddf->currentconf;
+       int cd = ddf->currentdev;
 
        /* FIXME this returns BVD info - what if we want SVD ?? */
 
-       info->array.raid_disks    = __be16_to_cpu(vd->prim_elmnt_count);
-       info->array.level         = map_num1(ddf_level_num, vd->prl);
-       info->array.layout        = rlq_to_layout(vd->rlq, vd->prl,
+       info->array.raid_disks    = __be16_to_cpu(vc->conf.prim_elmnt_count);
+       info->array.level         = map_num1(ddf_level_num, vc->conf.prl);
+       info->array.layout        = rlq_to_layout(vc->conf.rlq, vc->conf.prl,
                                                  info->array.raid_disks);
        info->array.md_minor      = -1;
-       info->array.ctime         = DECADE + __be32_to_cpu(*(__u32*)(vd->guid+16));
-       info->array.utime         = DECADE + __be32_to_cpu(vd->timestamp);
-       info->array.chunk_size    = 512 << vd->chunk_shift;
-
-//     info->data_offset         = ???;
-//     info->component_size      = ???;
+       info->array.ctime         = DECADE +
+               __be32_to_cpu(*(__u32*)(vc->conf.guid+16));
+       info->array.utime         = DECADE + __be32_to_cpu(vc->conf.timestamp);
+       info->array.chunk_size    = 512 << vc->conf.chunk_shift;
+
+       if (cd >= 0 && cd < ddf->mppe) {
+               info->data_offset         = __be64_to_cpu(vc->lba_offset[cd]);
+               if (vc->block_sizes)
+                       info->component_size = vc->block_sizes[cd];
+               else
+                       info->component_size = __be64_to_cpu(vc->conf.blocks);
+       }
 
        info->disk.major = 0;
        info->disk.minor = 0;
@@ -1312,17 +1320,6 @@ static void getinfo_super_ddf_bvd(struct supertype *st, struct mdinfo *info)
 //     info->name[] ?? ;
 }
 
-static void getinfo_super_n_bvd(struct supertype *st, struct mdinfo *info)
-{
-       /* Find the particular details for info->disk.raid_disk.
-        * This includes data_offset, component_size,
-        */
-       struct ddf_super *ddf = st->sb;
-       __u64 *lba_offset = ddf->newconf->lba_offset;
-       struct vd_config *conf = &ddf->newconf->conf;
-       info->data_offset = __be64_to_cpu(lba_offset[info->disk.raid_disk]);
-       info->component_size = __be64_to_cpu(conf->blocks);
-}
 
 static int update_super_ddf(struct supertype *st, struct mdinfo *info,
                            char *update,
@@ -1868,7 +1865,7 @@ static int init_super_ddf_bvd(struct supertype *st,
 
        vcl->next = ddf->conflist;
        ddf->conflist = vcl;
-       ddf->newconf = vcl;
+       ddf->currentconf = vcl;
        return 1;
 }
 
@@ -1898,8 +1895,8 @@ static void add_to_super_ddf_bvd(struct supertype *st,
        if (!dl || ! (dk->state & (1<<MD_DISK_SYNC)))
                return;
 
-       vc = &ddf->newconf->conf;
-       lba_offset = ddf->newconf->lba_offset;
+       vc = &ddf->currentconf->conf;
+       lba_offset = ddf->currentconf->lba_offset;
 
        ex = get_extents(ddf, dl);
        if (!ex)
@@ -1907,8 +1904,8 @@ static void add_to_super_ddf_bvd(struct supertype *st,
 
        i = 0; pos = 0;
        blocks = __be64_to_cpu(vc->blocks);
-       if (ddf->newconf->block_sizes)
-               blocks = ddf->newconf->block_sizes[dk->raid_disk];
+       if (ddf->currentconf->block_sizes)
+               blocks = ddf->currentconf->block_sizes[dk->raid_disk];
 
        do {
                esize = ex[i].start - pos;
@@ -1922,6 +1919,7 @@ static void add_to_super_ddf_bvd(struct supertype *st,
        if (esize < blocks)
                return;
 
+       ddf->currentdev = dk->raid_disk;
        vc->phys_refnum[dk->raid_disk] = dl->disk.refnum;
        lba_offset[dk->raid_disk] = __cpu_to_be64(pos);
 
@@ -1930,7 +1928,7 @@ static void add_to_super_ddf_bvd(struct supertype *st,
                        break;
        if (i == ddf->max_part)
                return;
-       dl->vlist[i] = ddf->newconf;
+       dl->vlist[i] = ddf->currentconf;
 
        dl->fd = fd;
        dl->devname = devname;
@@ -1945,7 +1943,7 @@ static void add_to_super_ddf_bvd(struct supertype *st,
                        working++;
 
        /* Find which virtual_entry */
-       i = ddf->newconf->vcnum;
+       i = ddf->currentconf->vcnum;
        if (working == __be16_to_cpu(vc->prim_elmnt_count))
                ddf->virt->entries[i].state =
                        (ddf->virt->entries[i].state & ~DDF_state_mask)
@@ -2030,6 +2028,7 @@ static void add_to_super_ddf(struct supertype *st,
        sprintf(pde->path, "%17.17s","Information: nil") ;
        memset(pde->pad, 0xff, 6);
 
+       dd->size = size >> 9;
        ddf->dlist = dd;
 }
 
@@ -2451,8 +2450,8 @@ static int load_super_ddf_all(struct supertype *st, int fd,
 
                for (v = super->conflist; v; v = v->next)
                        if (v->vcnum == atoi(st->subarray))
-                               super->newconf = v;
-               if (!super->newconf)
+                               super->currentconf = v;
+               if (!super->currentconf)
                        return 1;
        }
        *sbp = super;
@@ -3120,9 +3119,7 @@ struct superswitch super_ddf = {
        .store_super    = store_zero_ddf,
        .free_super     = free_super_ddf,
        .match_metadata_desc = match_metadata_desc_ddf,
-       .getinfo_super_n  = getinfo_super_n_container,
 
-       .swapuuid       = 0,
        .external       = 1,
 
 /* for mdmon */
@@ -3152,9 +3149,7 @@ static struct superswitch super_ddf_container = {
        .free_super     = free_super_ddf,
 
        .container_content = container_content_ddf,
-       .getinfo_super_n  = getinfo_super_n_container,
 
-       .swapuuid       = 0,
        .external       = 1,
 };
 
@@ -3169,13 +3164,11 @@ static struct superswitch super_ddf_bvd = {
        .init_super     = init_super_ddf_bvd,
        .add_to_super   = add_to_super_ddf_bvd,
        .getinfo_super  = getinfo_super_ddf_bvd,
-       .getinfo_super_n  = getinfo_super_n_bvd,
 
        .load_super     = load_super_ddf,
        .free_super     = free_super_ddf,
        .match_metadata_desc = match_metadata_desc_ddf_bvd,
 
-       .swapuuid       = 0,
        .external       = 2,
 };
 
@@ -3192,6 +3185,5 @@ static struct superswitch super_ddf_svd = {
        .free_super     = free_super_ddf,
        .match_metadata_desc = match_metadata_desc_ddf_svd,
 
-       .swapuuid       = 0,
        .external       = 2,
 };