From 3ba0815a4b0709ef5e7b481067573d10806bbe2c Mon Sep 17 00:00:00 2001
From: Daniel Moore <dxm@sgi.com>
Date: Thu, 5 May 2005 13:31:34 -0700
Subject: [XFS] stop background sync from waiting for in-use inodes

SGI Modid: xfs-linux:xfs-kern:191586a

Signed-off-by: Daniel Moore <dxm@sgi.com>
Signed-off-by: Christoph Hellwig <hch@sgi.com>

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 76a8475..1e71a96 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -725,9 +725,12 @@ xfs_page_state_convert(
 	__uint64_t              end_offset;
 	pgoff_t                 end_index, last_index, tlast;
 	int			len, err, i, cnt = 0, uptodate = 1;
-	int			flags = startio ? 0 : BMAPI_TRYLOCK;
+	int			flags;
 	int			page_dirty, delalloc = 0;
 
+	/* wait for other IO threads? */
+	flags = (startio && wbc->sync_mode != WB_SYNC_NONE) ? 0 : BMAPI_TRYLOCK;
+
 	/* Is this page beyond the end of the file? */
 	offset = i_size_read(inode);
 	end_index = offset >> PAGE_CACHE_SHIFT;
-- 
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