This change went into drivers/block/rd.c in 2.5 recently:
diff -urN old/drivers/block/rd.c linux-2.5/drivers/block/rd.c
--- old/drivers/block/rd.c 2002-10-10 16:12:54.000000000 +1000
+++ linux-2.5/drivers/block/rd.c 2002-10-10 08:46:28.000000000 +1000
@@ -213,7 +213,7 @@
kunmap(vec->bv_page);
if (rw == READ) {
- flush_dcache_page(page);
+ flush_dcache_page(sbh->b_page);
} else {
SetPageDirty(page);
}
The trouble with that is that there is no variable called sbh defined
in this function, rd_blkdev_pagecache_IO. Thus we get a compile error
on PPC. The problem wouldn't show up on x86 since flush_dcache_page
is a no-op (i.e. do { } while (0)) there.
What was the change trying to achieve? What was wrong with
flush_dcache_page(page)?
Thanks,
Paul.
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This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:36 EST