57 lines
1.5 KiB
Diff
57 lines
1.5 KiB
Diff
--- a/fs/jffs2/build.c
|
|
+++ b/fs/jffs2/build.c
|
|
@@ -105,6 +105,17 @@
|
|
dbg_fsbuild("scanned flash completely\n");
|
|
jffs2_dbg_dump_block_lists_nolock(c);
|
|
|
|
+ if (c->flags & (1 << 7)) {
|
|
+ printk("%s(): unlocking the mtd device... ", __func__);
|
|
+ if (c->mtd->unlock)
|
|
+ c->mtd->unlock(c->mtd, 0, c->mtd->size);
|
|
+ printk("done.\n");
|
|
+
|
|
+ printk("%s(): erasing all blocks after the end marker... ", __func__);
|
|
+ jffs2_erase_pending_blocks(c, -1);
|
|
+ printk("done.\n");
|
|
+ }
|
|
+
|
|
dbg_fsbuild("pass 1 starting\n");
|
|
c->flags |= JFFS2_SB_FLAG_BUILDING;
|
|
/* Now scan the directory tree, increasing nlink according to every dirent found. */
|
|
--- a/fs/jffs2/scan.c
|
|
+++ b/fs/jffs2/scan.c
|
|
@@ -142,9 +142,12 @@
|
|
|
|
/* reset summary info for next eraseblock scan */
|
|
jffs2_sum_reset_collected(s);
|
|
-
|
|
- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
|
|
- buf_size, s);
|
|
+
|
|
+ if (c->flags & (1 << 7))
|
|
+ ret = BLK_STATE_ALLFF;
|
|
+ else
|
|
+ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
|
|
+ buf_size, s);
|
|
|
|
if (ret < 0)
|
|
goto out;
|
|
@@ -545,6 +548,17 @@
|
|
return err;
|
|
}
|
|
|
|
+ if ((buf[0] == 0xde) &&
|
|
+ (buf[1] == 0xad) &&
|
|
+ (buf[2] == 0xc0) &&
|
|
+ (buf[3] == 0xde)) {
|
|
+ /* end of filesystem. erase everything after this point */
|
|
+ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset);
|
|
+ c->flags |= (1 << 7);
|
|
+
|
|
+ return BLK_STATE_ALLFF;
|
|
+ }
|
|
+
|
|
/* We temporarily use 'ofs' as a pointer into the buffer/jeb */
|
|
ofs = 0;
|
|
|