From 18995bb1c6986235a3f911dbe10799b2074fcece Mon Sep 17 00:00:00 2001
From: "heikki@hundin.mysql.fi" <>
Date: Sun, 19 Oct 2003 20:28:03 +0300
Subject: [PATCH] os0file.c:   Check that writes to data files always happen in
 to addresses divisible by 16 kB, and the chunk size is also divisible by 16
 kB; a user reported 2 corrupt pages from Linux-2.4.20 where an index page
 seemed displaced

---
 innobase/os/os0file.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/innobase/os/os0file.c b/innobase/os/os0file.c
index 311937f2145..24bc0f1bdf9 100644
--- a/innobase/os/os0file.c
+++ b/innobase/os/os0file.c
@@ -2676,7 +2676,11 @@ consecutive_loop:
 	/* Do the i/o with ordinary, synchronous i/o functions: */
 	if (slot->type == OS_FILE_WRITE) {
 		if (array == os_aio_write_array) {
-
+			if ((total_len % UNIV_PAGE_SIZE != 0)
+			    || (slot->offset % UNIV_PAGE_SIZE != 0)) {
+				ut_a(0);
+			}
+			  
 			/* Do a 'last millisecond' check that the page end
 			is sensible; reported page checksum errors from
 			Linux seem to wipe over the page end */