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Subjectvmstat
Hi,

Nobody watches vmstat any more? ;-)

--- linux-2.4.0-test13-pre7/drivers/block/ll_rw_blk.c.org Sun Dec 31 08:41:47 2000
+++ linux-2.4.0-test13-pre7/drivers/block/ll_rw_blk.c Sun Dec 31 08:49:21 2000
@@ -964,6 +964,15 @@
bh->b_rsector = bh->b_blocknr * (bh->b_size>>9);

generic_make_request(rw, bh);
+
+ switch (rw) {
+ case WRITE:
+ kstat.pgpgout++;
+ break;
+ default:
+ kstat.pgpgin++;
+ break;
+ }
}

/*
@@ -1057,7 +1066,6 @@
/* Hmmph! Nothing to write */
goto end_io;
__mark_buffer_clean(bh);
- kstat.pgpgout++;
break;

case READA:
@@ -1065,7 +1073,6 @@
if (buffer_uptodate(bh))
/* Hmmph! Already have it */
goto end_io;
- kstat.pgpgin++;
break;
default:
BUG();
-
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