From: Lukas Czerner Date: Wed, 22 May 2013 03:58:51 +0000 (-0400) Subject: reiserfs: use ->invalidatepage() length argument X-Git-Tag: v4.0~3627^2~89 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bad54831968a8429b08e34faf33178c21ac6bba0;p=platform%2Fkernel%2Flinux-amlogic.git 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: Lukas Czerner Cc: reiserfs-devel@vger.kernel.org --- diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 278c86e..76c8fad 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -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 */ }