ARM: OMAP: timer32k: fix tick count calculation when reprogramming
[safe/jmp/linux-2.6] / fs / buffer.c
index 23f1f3a..71649ef 100644 (file)
@@ -18,7 +18,6 @@
  * async buffer flushing, 1999 Andrea Arcangeli <andrea@suse.de>
  */
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/syscalls.h>
 #include <linux/fs.h>
@@ -331,7 +330,6 @@ long do_fsync(struct file *file, int datasync)
                goto out;
        }
 
-       current->flags |= PF_SYNCWRITE;
        ret = filemap_fdatawrite(mapping);
 
        /*
@@ -346,7 +344,6 @@ long do_fsync(struct file *file, int datasync)
        err = filemap_fdatawait(mapping);
        if (!ret)
                ret = err;
-       current->flags &= ~PF_SYNCWRITE;
 out:
        return ret;
 }
@@ -473,13 +470,18 @@ out:
    pass does the actual I/O. */
 void invalidate_bdev(struct block_device *bdev, int destroy_dirty_buffers)
 {
+       struct address_space *mapping = bdev->bd_inode->i_mapping;
+
+       if (mapping->nrpages == 0)
+               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_inode_pages(bdev->bd_inode->i_mapping);
+       invalidate_inode_pages(mapping);
 }
 
 /*
@@ -566,7 +568,7 @@ still_busy:
  * Completion handler for block_write_full_page() - pages which are unlocked
  * during I/O, and which have PageWriteback cleared upon I/O completion.
  */
-void end_buffer_async_write(struct buffer_head *bh, int uptodate)
+static void end_buffer_async_write(struct buffer_head *bh, int uptodate)
 {
        char b[BDEVNAME_SIZE];
        unsigned long flags;
@@ -854,7 +856,7 @@ int __set_page_dirty_buffers(struct page *page)
                write_lock_irq(&mapping->tree_lock);
                if (page->mapping) {    /* Race with truncate? */
                        if (mapping_cap_account_dirty(mapping))
-                               inc_page_state(nr_dirty);
+                               __inc_zone_page_state(page, NR_FILE_DIRTY);
                        radix_tree_tag_set(&mapping->page_tree,
                                                page_index(page),
                                                PAGECACHE_TAG_DIRTY);
@@ -2600,7 +2602,7 @@ int nobh_truncate_page(struct address_space *mapping, loff_t from)
        unsigned offset = from & (PAGE_CACHE_SIZE-1);
        unsigned to;
        struct page *page;
-       struct address_space_operations *a_ops = mapping->a_ops;
+       const struct address_space_operations *a_ops = mapping->a_ops;
        char *kaddr;
        int ret = 0;
 
@@ -3168,7 +3170,6 @@ EXPORT_SYMBOL(block_sync_page);
 EXPORT_SYMBOL(block_truncate_page);
 EXPORT_SYMBOL(block_write_full_page);
 EXPORT_SYMBOL(cont_prepare_write);
-EXPORT_SYMBOL(end_buffer_async_write);
 EXPORT_SYMBOL(end_buffer_read_sync);
 EXPORT_SYMBOL(end_buffer_write_sync);
 EXPORT_SYMBOL(file_fsync);