From: Mark Fasheh Date: Mon, 18 Jun 2007 18:12:36 +0000 (-0700) Subject: ocfs2: harden buffer check during mapping of page blocks X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bce997682fe3121516f5a20cf7bad2e6029ba018;p=linux-beck.git ocfs2: harden buffer check during mapping of page blocks We don't want to submit buffer_new blocks for read i/o. This actually won't happen right now because those requests during an allocating write are all nicely aligned. It's probably a good idea to provide an explicit check though. Signed-off-by: Mark Fasheh --- diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index b8869fd0884f..e8d16ae12ef0 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -712,7 +712,8 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno, if (!buffer_uptodate(bh)) set_buffer_uptodate(bh); } else if (!buffer_uptodate(bh) && !buffer_delay(bh) && - (block_start < from || block_end > to)) { + !buffer_new(bh) && + (block_start < from || block_end > to)) { ll_rw_block(READ, 1, &bh); *wait_bh++=bh; }