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diff -ur linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c
--- linux.old/fs/jffs2/scan.c 2006-05-31 02:31:44.000000000 +0200
+++ linux.dev/fs/jffs2/scan.c 2006-06-15 02:20:32.000000000 +0200
@@ -120,8 +120,11 @@
/* 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;
@@ -222,6 +225,12 @@
}
}
+ if (c->flags & (1 << 7)) {
+ printk("jffs2_scan_medium(): erasing all blocks after the end marker...\n");
+ jffs2_erase_pending_blocks(c, -1);
+ printk("jffs2_scan_medium(): done.\n");
+ }
+
if (jffs2_sum_active() && s)
kfree(s);
@@ -389,6 +398,17 @@
return err;
}
+ if ((buf[0] == 0xde) &&
+ (buf[1] == 0xad) &&
+ (buf[2] == 0xc0) &&
+ (buf[3] == 0xde)) {
+ /* end of filesystem. erase everything after this point */
+ printk("jffs2_scan_eraseblock(): End of filesystem marker found at 0x%x\n", jeb->offset);
+ c->flags |= (1 << 7);
+
+ return BLK_STATE_ALLFF;
+ }
+
/* We temporarily use 'ofs' as a pointer into the buffer/jeb */
ofs = 0;
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