From f7591f99b3f184a4ff3b02e67165577c4b013be0 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 23 Jun 2006 19:51:50 +0000 Subject: [PATCH] fix the jffs2 eof detect patch for linux 2.6 (unlocking required for erasing blocks) SVN-Revision: 4060 --- .../patches/204-jffs2_eofdetect.patch | 50 +++++++++++-------- 1 file changed, 30 insertions(+), 20 deletions(-) diff --git a/openwrt/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch b/openwrt/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch index b93efa68ab..9f248c93dd 100644 --- a/openwrt/target/linux/generic-2.6/patches/204-jffs2_eofdetect.patch +++ b/openwrt/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; -- 2.30.2