mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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b739c888df
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@3956 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
diff -ur linux.old/fs/jffs2/scan.c linux.dev/fs/jffs2/scan.c
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--- linux.old/fs/jffs2/scan.c 2006-05-31 02:31:44.000000000 +0200
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+++ linux.dev/fs/jffs2/scan.c 2006-06-15 02:20:32.000000000 +0200
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@@ -120,8 +120,11 @@
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/* reset summary info for next eraseblock scan */
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jffs2_sum_reset_collected(s);
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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 (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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@@ -222,6 +225,12 @@
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}
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}
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+ if (c->flags & (1 << 7)) {
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+ printk("jffs2_scan_medium(): erasing all blocks after the end marker...\n");
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+ jffs2_erase_pending_blocks(c, -1);
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+ printk("jffs2_scan_medium(): done.\n");
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+ }
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+
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if (jffs2_sum_active() && s)
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kfree(s);
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@@ -389,6 +398,17 @@
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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("jffs2_scan_eraseblock(): End of filesystem marker found at 0x%x\n", 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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