--- sles/fs/mpage.c.~1~	2004-07-09 23:48:33.233205496 +0200
+++ sles/fs/mpage.c	2004-07-10 06:32:24.784449776 +0200
@@ -404,6 +404,7 @@ mpage_writepage(struct bio *bio, struct 
 	struct block_device *boundary_bdev = NULL;
 	int length;
 	struct buffer_head map_bh;
+	loff_t i_size = i_size_read(inode);
 
 	if (page_has_buffers(page)) {
 		struct buffer_head *head = page_buffers(page);
@@ -460,7 +461,7 @@ mpage_writepage(struct bio *bio, struct 
 	 */
 	BUG_ON(!PageUptodate(page));
 	block_in_file = page->index << (PAGE_CACHE_SHIFT - blkbits);
-	last_block = (i_size_read(inode) - 1) >> blkbits;
+	last_block = (i_size - 1) >> blkbits;
 	map_bh.b_page = page;
 	for (page_block = 0; page_block < blocks_per_page; ) {
 
@@ -490,9 +491,11 @@ mpage_writepage(struct bio *bio, struct 
 
 	first_unmapped = page_block;
 
-	end_index = i_size_read(inode) >> PAGE_CACHE_SHIFT;
+page_is_mapped:
+
+	end_index = i_size >> PAGE_CACHE_SHIFT;
 	if (page->index >= end_index) {
-		unsigned offset = i_size_read(inode) & (PAGE_CACHE_SIZE - 1);
+		unsigned offset = i_size & (PAGE_CACHE_SIZE - 1);
 		char *kaddr;
 
 		if (page->index > end_index || !offset)
@@ -503,8 +506,6 @@ mpage_writepage(struct bio *bio, struct 
 		kunmap_atomic(kaddr, KM_USER0);
 	}
 
-page_is_mapped:
-
 	/*
 	 * This page will go to BIO.  Do we need to send this BIO off first?
 	 */
@@ -519,6 +520,12 @@ alloc_new:
 			goto confused;
 	}
 
+	length = first_unmapped << blkbits;
+	if (bio_add_page(bio, page, length, 0) < length) {
+		bio = mpage_bio_submit(WRITE, bio);
+		goto alloc_new;
+	}
+
 	/*
 	 * OK, we have our BIO, so we can now mark the buffers clean.  Make
 	 * sure to only clean buffers which we know we'll be writing.
@@ -539,12 +546,6 @@ alloc_new:
 			try_to_free_buffers(page);
 	}
 
-	length = first_unmapped << blkbits;
-	if (bio_add_page(bio, page, length, 0) < length) {
-		bio = mpage_bio_submit(WRITE, bio);
-		goto alloc_new;
-	}
-
 	BUG_ON(PageWriteback(page));
 	set_page_writeback(page);
 	unlock_page(page);
--- sles/fs/buffer.c.~1~	2004-07-05 03:08:09.000000000 +0200
+++ sles/fs/buffer.c	2004-07-09 05:16:47.544011656 +0200
@@ -1586,10 +1586,9 @@ __bread(struct block_device *bdev, secto
 EXPORT_SYMBOL(__bread);
 
 /*
- * invalidate_bh_lrus() is called rarely - at unmount.  Because it is only for
- * unmount it only needs to ensure that all buffers from the target device are
- * invalidated on return and it doesn't need to worry about new buffers from
- * that device being added - the unmount code has to prevent that.
+ * invalidate_bh_lrus() is called rarely - but not only at unmount.
+ * This doesn't race because it runs in each cpu either in irq
+ * or with preempt disabled.
  */
 static void invalidate_bh_lru(void *arg)
 {