inferno-os tree was separated from the inferno-os-android (separated from the Android driver)

1 files changed, 57 insertions, 0 deletions

diff --git a/libnandfs/formatblock.c b/libnandfs/formatblock.c
new file mode 100644
index 0000000..146449b
--- /dev/null
+++ b/libnandfs/formatblock.c
@@ -0,0 +1,57 @@
+#include "logfsos.h"
+#include "logfs.h"
+#include "nandfs.h"
+#include "local.h"
+
+char *
+nandfsformatblock(Nandfs *nandfs, long absblock, uchar tag, ulong path, long baseblock, long sizeinblocks, int xcount, long *xdata, void *llsave, int *markedbad)
+{
+	int page;
+	char *rv;
+	NandfsTags t;
+	int ppb;
+
+	if (markedbad)
+		*markedbad = 0;
+
+	t.tag = tag;
+	t.magic = LogfsMagic;
+	t.nerase = *(ulong *)llsave < NandfsNeraseMask ? *(ulong *)llsave + 1 : 1;
+
+	ppb = 1 << nandfs->ll.l2pagesperblock;
+	for (page = 0, rv = nil; rv == nil && page < ppb; page++) {
+		if (tag == LogfsTboot && page > 0 && page < xcount + 3) {
+			switch (page) {
+			case 1:
+				t.path = baseblock;
+				break;
+			case 2:
+				t.path = sizeinblocks;
+				break;
+			default:
+				t.path = xdata[page - 3];
+				break;
+			}
+		}
+		else
+			t.path = path;
+		rv = nandfswritepageauxiliary(nandfs, &t, absblock, page);
+		if (rv)
+			break;
+	}
+
+	if (rv) {
+		if (strcmp(rv, Eio) != 0)
+			return rv;
+		if (markedbad) {
+			*markedbad = 1;
+			rv = nandfsmarkabsblockbad(nandfs, absblock);
+			if (strcmp(rv, Eio) != 0)
+				return rv;
+			return nil;
+		}
+		return rv;
+	}
+		
+	return nil;
+}