From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 28 Oct 2013 16:06:47 +0000 (+0000)
Subject: kernel: jffs2: ignore bad blocks after the end-of-filesystem marker
X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=commitdiff_plain;h=690d011f1cea56c6046fbd947dc69387d5b142b1

kernel: jffs2: ignore bad blocks after the end-of-filesystem marker

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38568 3c298f89-4303-0410-b956-a3cf2f4a3e73
---

diff --git a/target/linux/generic/patches-3.10/532-jffs2_eofdetect.patch b/target/linux/generic/patches-3.10/532-jffs2_eofdetect.patch
index f36131e99f..269179063c 100644
--- a/target/linux/generic/patches-3.10/532-jffs2_eofdetect.patch
+++ b/target/linux/generic/patches-3.10/532-jffs2_eofdetect.patch
@@ -19,21 +19,24 @@
  	/* Now scan the directory tree, increasing nlink according to every dirent found. */
 --- a/fs/jffs2/scan.c
 +++ b/fs/jffs2/scan.c
-@@ -148,8 +148,11 @@ int jffs2_scan_medium(struct jffs2_sb_in
+@@ -148,8 +148,14 @@ int jffs2_scan_medium(struct jffs2_sb_in
  		/* 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
++		if (c->flags & (1 << 7)) {
++			if (mtd_block_isbad(c->mtd, jeb->offset))
++				ret = BLK_STATE_BADBLOCK;
++			else
++				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;
-@@ -556,6 +559,17 @@ static int jffs2_scan_eraseblock (struct
+@@ -556,6 +562,17 @@ static int jffs2_scan_eraseblock (struct
  			return err;
  	}
  
diff --git a/target/linux/generic/patches-3.12/532-jffs2_eofdetect.patch b/target/linux/generic/patches-3.12/532-jffs2_eofdetect.patch
index f36131e99f..269179063c 100644
--- a/target/linux/generic/patches-3.12/532-jffs2_eofdetect.patch
+++ b/target/linux/generic/patches-3.12/532-jffs2_eofdetect.patch
@@ -19,21 +19,24 @@
  	/* Now scan the directory tree, increasing nlink according to every dirent found. */
 --- a/fs/jffs2/scan.c
 +++ b/fs/jffs2/scan.c
-@@ -148,8 +148,11 @@ int jffs2_scan_medium(struct jffs2_sb_in
+@@ -148,8 +148,14 @@ int jffs2_scan_medium(struct jffs2_sb_in
  		/* 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
++		if (c->flags & (1 << 7)) {
++			if (mtd_block_isbad(c->mtd, jeb->offset))
++				ret = BLK_STATE_BADBLOCK;
++			else
++				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;
-@@ -556,6 +559,17 @@ static int jffs2_scan_eraseblock (struct
+@@ -556,6 +562,17 @@ static int jffs2_scan_eraseblock (struct
  			return err;
  	}