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

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

SVN-Revision: 38568
This commit is contained in:
Felix Fietkau 2013-10-28 16:06:47 +00:00
parent 3f6a5c862b
commit 32a2f9a1c3
2 changed files with 16 additions and 10 deletions
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13
target/linux/generic/patches-3.10/532-jffs2_eofdetect.patch
View File

@ -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;
}

13
target/linux/generic/patches-3.12/532-jffs2_eofdetect.patch
View File

@ -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;
}