Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[cascardo/linux.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index 1d0852f..7db24b9 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -44,7 +44,6 @@
 #include <linux/bit_spinlock.h>
 
 static int fsync_buffers_list(spinlock_t *lock, struct list_head *list);
-static void invalidate_bh_lrus(void);
 
 #define BH_ENTRY(list) list_entry((list), struct buffer_head, b_assoc_buffers)
 
@@ -333,7 +332,7 @@ out:
    we think the disk contains more recent information than the buffercache.
    The update == 1 pass marks the buffers we need to update, the update == 2
    pass does the actual I/O. */
-void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
+void invalidate_bdev(struct block_device *bdev)
 {
        struct address_space *mapping = bdev->bd_inode->i_mapping;
 
@@ -341,11 +340,6 @@ void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
                return;
 
        invalidate_bh_lrus();
-       /*
-        * FIXME: what about destroy_dirty_buffers?
-        * We really want to use invalidate_inode_pages2() for
-        * that, but not until that's cleaned up.
-        */
        invalidate_mapping_pages(mapping, 0, -1);
 }
 
@@ -1408,7 +1402,7 @@ static void invalidate_bh_lru(void *arg)
        put_cpu_var(bh_lrus);
 }
        
-static void invalidate_bh_lrus(void)
+void invalidate_bh_lrus(void)
 {
        on_each_cpu(invalidate_bh_lru, NULL, 1, 1);
 }
@@ -1700,17 +1694,8 @@ done:
                 * clean.  Someone wrote them back by hand with
                 * ll_rw_block/submit_bh.  A rare case.
                 */
-               int uptodate = 1;
-               do {
-                       if (!buffer_uptodate(bh)) {
-                               uptodate = 0;
-                               break;
-                       }
-                       bh = bh->b_this_page;
-               } while (bh != head);
-               if (uptodate)
-                       SetPageUptodate(page);
                end_page_writeback(page);
+
                /*
                 * The page and buffer_heads can be released at any time from
                 * here on.
@@ -2968,8 +2953,7 @@ EXPORT_SYMBOL(free_buffer_head);
 static void
 init_buffer_head(void *data, struct kmem_cache *cachep, unsigned long flags)
 {
-       if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
-                           SLAB_CTOR_CONSTRUCTOR) {
+       if (flags & SLAB_CTOR_CONSTRUCTOR) {
                struct buffer_head * bh = (struct buffer_head *)data;
 
                memset(bh, 0, sizeof(*bh));