[PATCH] OSS: Use ARRAY_SIZE macro when appropriate (2)

[karo-tx-linux.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index 1ad674fd348c4bfe6f130bc9a958a3c38338619c..a4b824234fb9bc510d03d69600448f9a8ab62079 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -78,6 +78,7 @@ EXPORT_SYMBOL(__lock_buffer);
 
 void fastcall unlock_buffer(struct buffer_head *bh)
 {
+       smp_mb__before_clear_bit();
        clear_buffer_locked(bh);
        smp_mb__after_clear_bit();
        wake_up_bit(&bh->b_state, BH_Lock);
@@ -345,7 +346,7 @@ void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
         * We really want to use invalidate_inode_pages2() for
         * that, but not until that's cleaned up.
         */
-       invalidate_inode_pages(mapping);
+       invalidate_mapping_pages(mapping, 0, -1);
 }
 
 /*
@@ -1439,6 +1440,7 @@ static void discard_buffer(struct buffer_head * bh)
        clear_buffer_req(bh);
        clear_buffer_new(bh);
        clear_buffer_delay(bh);
+       clear_buffer_unwritten(bh);
        unlock_buffer(bh);
 }
 
@@ -1822,6 +1824,7 @@ static int __block_prepare_write(struct inode *inode, struct page *page,
                        continue; 
                }
                if (!buffer_uptodate(bh) && !buffer_delay(bh) &&
+                   !buffer_unwritten(bh) &&
                     (block_start < from || block_end > to)) {
                        ll_rw_block(READ, 1, &bh);
                        *wait_bh++=bh;
@@ -2543,7 +2546,7 @@ int block_truncate_page(struct address_space *mapping,
        if (PageUptodate(page))
                set_buffer_uptodate(bh);
 
-       if (!buffer_uptodate(bh) && !buffer_delay(bh)) {
+       if (!buffer_uptodate(bh) && !buffer_delay(bh) && !buffer_unwritten(bh)) {
                err = -EIO;
                ll_rw_block(READ, 1, &bh);
                wait_on_buffer(bh);