Changeset a5ec426 in mainline for uspace/srv/bd/hr/superblock.h

Timestamp:

2025-03-31T17:08:27Z (4 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

0277ec2

Parents:

baa4929

Message:

hr: superblock: move to last block

File:

• uspace/srv/bd/hr/superblock.h (modified) (2 diffs)

uspace/srv/bd/hr/superblock.h

@@ -39 +39 @@
 #include "var.h"
 
+/*
+ * Metadata is stored on the last block of an extent.
+ */
 #define HR_META_SIZE            1       /* in blocks */
-#define HR_META_OFF             7       /* in blocks */
-#define HR_DATA_OFF             (HR_META_OFF + HR_META_SIZE)
+#define HR_DATA_OFF             0
 
 #define HR_MAGIC_STR            "HelenRAID"
@@ -75 +77 @@
 
         char            devname[HR_DEVNAME_LEN];
-};
+} __attribute__((packed));
 
 extern errno_t  hr_write_meta_to_vol(hr_volume_t *);