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Date: Sat, 23 Dec 2000 08:09:57 +0100 (CET)
From: Mike Galbraith <mikeg@wen-online.de>
To: Linus Torvalds <torvalds@transmeta.com>
cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [patchlet] move kstat.pgpgin/out into submit_bh()
Message-ID: <Pine.Linu.4.10.10012230757470.1434-100000@mikeg.weiden.de>
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Merry Xmas All,

read/write-page() I/O isn't visible in kstat.

--- linux-2.4.0-test13-pre4/drivers/block/ll_rw_blk.c.org	Sat Dec 23 07:08:28 2000
+++ linux-2.4.0-test13-pre4/drivers/block/ll_rw_blk.c	Sat Dec 23 07:28:38 2000
@@ -964,6 +964,14 @@
 	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++;
+	}
 }
 
 /*
@@ -1057,7 +1065,6 @@
 				/* Hmmph! Nothing to write */
 				goto end_io;
 			__mark_buffer_clean(bh);
-			kstat.pgpgout++;
 			break;
 
 		case READA:
@@ -1065,7 +1072,6 @@
 			if (buffer_uptodate(bh))
 				/* Hmmph! Already have it */
 				goto end_io;
-			kstat.pgpgin++;
 			break;
 		default:
 			BUG();

-
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