--- linux/fs/buffer.c.orig Wed Aug 4 15:35:51 1999
+++ linux/fs/buffer.c Wed Aug 4 15:39:13 1999
@@ -1148,11 +1148,13 @@
*/
no_grow:
if (head) {
+ spin_lock(&unused_list_lock);
do {
bh = head;
head = head->b_this_page;
- put_unused_buffer_head(bh);
+ __put_unused_buffer_head(bh);
} while (head);
+ spin_unlock(&unused_list_lock);
/* Wake up any waiters ... */
wake_up(&buffer_wait);
@@ -1201,8 +1203,8 @@
PAGE_BUG(page);
/*
* Allocate async buffer heads pointing to this page, just for I/O.
- * They show up in the buffer hash table and are registered in
- * page->buffers.
+ * They don't show up in the buffer hash table, but they *are*
+ * registered in page->buffers.
*/
head = create_buffers(page_address(page), size, 1);
if (page->buffers)
@@ -1858,7 +1860,6 @@
blocks = PAGE_SIZE >> inode->i_sb->s_blocksize_bits;
iblock = page->offset >> inode->i_sb->s_blocksize_bits;
page->owner = (void *)-1;
- head = page->buffers;
bh = head;
nr = 0;
- Chuck Lever
-- corporate: <chuckl@netscape.com> personal: <chucklever@netscape.net> or <cel@monkey.org>The Linux Scalability project: http://www.citi.umich.edu/projects/linux-scalability/
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