mtd/drivers/mtd mtdpart.c,1.42,1.43

[gleixner at infradead.org]

Update of /home/cvs/mtd/drivers/mtd
In directory phoenix.infradead.org:/tmp/cvs-serv12133

Modified Files:
	mtdpart.c 
Log Message:
add bad block management functions

Index: mtdpart.c
===================================================================
RCS file: /home/cvs/mtd/drivers/mtd/mtdpart.c,v
retrieving revision 1.42
retrieving revision 1.43
diff -u -r1.42 -r1.43
--- mtdpart.c	9 Jul 2003 11:19:01 -0000	1.42
+++ mtdpart.c	29 Mar 2004 11:25:40 -0000	1.43
@@ -281,6 +281,26 @@
 	part->master->resume(part->master);
 }
 
+static int part_block_isbad (struct mtd_info *mtd, loff_t ofs)
+{
+	struct mtd_part *part = PART(mtd);
+	if (ofs >= mtd->size)
+		return -EINVAL;
+	ofs += part->offset;
+	return part->master->block_isbad(part->master, ofs);
+}
+
+static int part_block_markbad (struct mtd_info *mtd, loff_t ofs)
+{
+	struct mtd_part *part = PART(mtd);
+	if (!(mtd->flags & MTD_WRITEABLE))
+		return -EROFS;
+	if (ofs >= mtd->size)
+		return -EINVAL;
+	ofs += part->offset;
+	return part->master->block_markbad(part->master, ofs);
+}
+
 /* 
  * This function unregisters and destroy all slave MTD objects which are 
  * attached to the given master MTD object.
@@ -391,6 +411,10 @@
 			slave->mtd.lock = part_lock;
 		if (master->unlock)
 			slave->mtd.unlock = part_unlock;
+		if (master->block_isbad)
+			slave->mtd.block_isbad = part_block_isbad;
+		if (master->block_markbad)
+			slave->mtd.block_markbad = part_block_markbad;
 		slave->mtd.erase = part_erase;
 		slave->master = master;
 		slave->offset = parts[i].offset;