Rough character driver implementation For ZVOL: Requires Testing

Signed-off-by: Ameer Hamza <[email protected]>
truenas · Aug 28, 2023 · 268a2c0 · 268a2c0
1 parent f8c61e8
commit 268a2c0
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Showing 2 changed files with 430 additions and 5 deletions.
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
@@ -1332,10 +1332,12 @@ typedef struct ddt_histogram {
 #define	ZVOL_DIR		"/dev/zvol/"
 
 #define	ZVOL_MAJOR		230
+#define	ZVOL_CDEV_MAJOR		231
 #define	ZVOL_MINOR_BITS		4
 #define	ZVOL_MINOR_MASK		((1U << ZVOL_MINOR_BITS) - 1)
 #define	ZVOL_MINORS		(1 << 4)
 #define	ZVOL_DEV_NAME		"zd"
+#define	ZVOL_CDEV_NAME		"zc"
 
 #define	ZVOL_PROP_NAME		"name"
 #define	ZVOL_DEFAULT_BLOCKSIZE	16384