Commit 2ddee844 authored Mar 22, 2006 by David Chinner Committed by Nathan Scott Mar 22, 2006

[XFS] Check that a page has dirty buffers before finding it acceptable for


rewrite clustering. This prevents writing excessive amounts of clean data
when doing random rewrites of a cached file.

SGI-PV: 951193
SGI-Modid: xfs-linux-melb:xfs-kern:25531a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

parent 3758dee9

fs/xfs/linux-2.6/xfs_aops.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -647,7 +647,7 @@ xfs_is_delayed_page(
		acceptable = (type == IOMAP_UNWRITTEN);
		else if (buffer_delay(bh))
		acceptable = (type == IOMAP_DELAY);
		else if (buffer_mapped(bh))
		else if (buffer_dirty(bh) && buffer_mapped(bh))
		acceptable = (type == 0);
		else
		break;