Changeset 6b8e89b0 in mainline for uspace/srv/bd/hr/raid4.c

Timestamp:

2024-10-05T13:11:11Z (10 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

dceb6e7

Parents:

dbd91da

git-author:

Miroslav Cimerman <mc@…> (2024-10-05 12:39:13)

git-committer:

Miroslav Cimerman <mc@…> (2024-10-05 13:11:11)

Message:

hr: init fuction for each RAID level

Compute total blocks, data blocks and set block size, data offset, strip
size there.

File:

• uspace/srv/bd/hr/raid4.c (modified) (2 diffs)

uspace/srv/bd/hr/raid4.c

@@ -48 +48 @@
 #include <str_error.h>
 
+#include "superblock.h"
 #include "util.h"
 #include "var.h"
@@ -281 +282 @@
 }
 
+errno_t hr_raid4_init(hr_volume_t *vol)
+{
+        errno_t rc;
+        size_t bsize;
+        uint64_t total_blkno;
+
+        assert(vol->level == hr_l_4);
+
+        rc = hr_check_devs(vol, &total_blkno, &bsize);
+        if (rc != EOK)
+                return rc;
+
+        vol->nblocks = total_blkno;
+        vol->bsize = bsize;
+        vol->data_offset = HR_DATA_OFF;
+        vol->data_blkno = vol->nblocks - (vol->data_offset * vol->dev_no) -
+            (vol->nblocks / vol->dev_no);
+        vol->strip_size = HR_STRIP_SIZE;
+
+        return EOK;
+}
+
 /** @}
  */