Commit bad54831 authored by Lukas Czerner's avatar Lukas Czerner Committed by Theodore Ts'o
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reiserfs: use ->invalidatepage() length argument 



->invalidatepage() aop now accepts range to invalidate so we can make
use of it in reiserfs_invalidatepage()

Signed-off-by: default avatarLukas Czerner <lczerner@redhat.com>
Cc: reiserfs-devel@vger.kernel.org
parent 5c0bb97c

fs/reiserfs/inode.c

+7 −2
Original line number Diff line number Diff line
@@ -2976,11 +2976,13 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset, 
	struct buffer_head *head, *bh, *next;

	struct inode *inode = page->mapping->host;

	unsigned int curr_off = 0;

	unsigned int stop = offset + length;

	int partial_page = (offset || length < PAGE_CACHE_SIZE);

	int ret = 1;



	BUG_ON(!PageLocked(page));



	if (offset == 0)

	if (!partial_page)

		ClearPageChecked(page);



	if (!page_has_buffers(page))
@@ -2992,6 +2994,9 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset, 
		unsigned int next_off = curr_off + bh->b_size;

		next = bh->b_this_page;



		if (next_off > stop)

			goto out;



		/*

		 * is this block fully invalidated?

		 */
@@ -3010,7 +3015,7 @@ static void reiserfs_invalidatepage(struct page *page, unsigned int offset, 
	 * The get_block cached value has been unconditionally invalidated,

	 * so real IO is not possible anymore.

	 */

	if (!offset && ret) {

	if (!partial_page && ret) {

		ret = try_to_release_page(page, 0);

		/* maybe should BUG_ON(!ret); - neilb */

	}