From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 7 Oct 2008 00:08:56 +0000 (-0400)
Subject: NFS: Don't use range_cyclic for data integrity syncs
X-Git-Tag: v2.6.28-rc1~266^2^2~24
X-Git-Url: http://pilppa.org/gitweb/?a=commitdiff_plain;h=d7fb120774f062ce7db439863ab5d4190d6f989c;p=linux-2.6-omap-h63xx.git

NFS: Don't use range_cyclic for data integrity syncs

It is more efficient to write linearly starting from the beginning of the
file.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 3229e217c77..9f9845859fc 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1427,8 +1427,9 @@ static int nfs_write_mapping(struct address_space *mapping, int how)
 		.bdi = mapping->backing_dev_info,
 		.sync_mode = WB_SYNC_NONE,
 		.nr_to_write = LONG_MAX,
+		.range_start = 0,
+		.range_end = LLONG_MAX,
 		.for_writepages = 1,
-		.range_cyclic = 1,
 	};
 	int ret;