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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-06-23 19:51:50 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-06-23 19:51:50 +0000
commite325df1263a6bc33e1801681a5daddb448f0e090 (patch)
tree27a645ac01c350f07e798aa6e6e35b5a4c7f853b /target/linux
parent09ff4beb065de4690bea29404fb3216c7356ea6c (diff)
fix the jffs2 eof detect patch for linux 2.6 (unlocking required for erasing blocks)
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4060 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch50
1 files changed, 30 insertions, 20 deletions
diff --git a/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch b/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch
index b93efa68a..9f248c93d 100644
--- a/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch
+++ b/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch
@@ -1,12 +1,35 @@
-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 @@
+diff -urN linux.old/fs/jffs2/build.c linux.dev/fs/jffs2/build.c
+--- linux.old/fs/jffs2/build.c 2006-06-18 03:49:35.000000000 +0200
++++ linux.dev/fs/jffs2/build.c 2006-06-23 21:46:48.000000000 +0200
+@@ -107,6 +107,17 @@
+ 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. */
+diff -urN linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c
+--- linux.old/fs/jffs2/scan.c 2006-06-23 21:39:38.000000000 +0200
++++ linux.dev/fs/jffs2/scan.c 2006-06-23 21:42:18.000000000 +0200
+@@ -119,9 +119,12 @@
+
/* 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
@@ -15,20 +38,7 @@ diff -ur linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c
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 @@
+@@ -389,6 +392,17 @@
return err;
}
@@ -37,7 +47,7 @@ diff -ur linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c
+ (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);
++ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset);
+ c->flags |= (1 << 7);
+
+ return BLK_STATE_ALLFF;