mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-24 05:11:46 +02:00
8f3d3ea218
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10865 3c298f89-4303-0410-b956-a3cf2f4a3e73
61 lines
1.9 KiB
Diff
61 lines
1.9 KiB
Diff
Index: linux-2.6.23-rc6/fs/jffs2/build.c
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===================================================================
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--- linux-2.6.23-rc6.orig/fs/jffs2/build.c 2007-09-21 16:23:53.000000000 +0800
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+++ linux-2.6.23-rc6/fs/jffs2/build.c 2007-09-21 16:24:05.000000000 +0800
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@@ -105,6 +105,17 @@
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dbg_fsbuild("scanned flash completely\n");
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jffs2_dbg_dump_block_lists_nolock(c);
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+ if (c->flags & (1 << 7)) {
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+ printk("%s(): unlocking the mtd device... ", __func__);
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+ if (c->mtd->unlock)
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+ c->mtd->unlock(c->mtd, 0, c->mtd->size);
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+ printk("done.\n");
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+
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+ printk("%s(): erasing all blocks after the end marker... ", __func__);
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+ jffs2_erase_pending_blocks(c, -1);
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+ printk("done.\n");
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+ }
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+
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dbg_fsbuild("pass 1 starting\n");
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c->flags |= JFFS2_SB_FLAG_BUILDING;
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/* Now scan the directory tree, increasing nlink according to every dirent found. */
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Index: linux-2.6.23-rc6/fs/jffs2/scan.c
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===================================================================
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--- linux-2.6.23-rc6.orig/fs/jffs2/scan.c 2007-09-21 16:23:52.000000000 +0800
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+++ linux-2.6.23-rc6/fs/jffs2/scan.c 2007-09-21 16:24:05.000000000 +0800
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@@ -142,9 +142,12 @@
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/* reset summary info for next eraseblock scan */
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jffs2_sum_reset_collected(s);
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-
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- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
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- buf_size, s);
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+
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+ if (c->flags & (1 << 7))
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+ ret = BLK_STATE_ALLFF;
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+ else
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+ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
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+ buf_size, s);
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if (ret < 0)
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goto out;
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@@ -545,6 +548,17 @@
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return err;
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}
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+ if ((buf[0] == 0xde) &&
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+ (buf[1] == 0xad) &&
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+ (buf[2] == 0xc0) &&
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+ (buf[3] == 0xde)) {
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+ /* end of filesystem. erase everything after this point */
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+ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset);
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+ c->flags |= (1 << 7);
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+
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+ return BLK_STATE_ALLFF;
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+ }
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+
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/* We temporarily use 'ofs' as a pointer into the buffer/jeb */
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ofs = 0;
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