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Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c24
1 files changed, 4 insertions, 20 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 1d0852fa728..7db24b9e544 100644
--- 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));