From 2a58275d7035f6920ec7fa080748968bad4dac93 Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 23 Aug 2011 10:19:25 +0100
Subject: [PATCH] --- yaml --- r: 269997 b: refs/heads/master c:
 9453615a1a7ef3fa910c6464a619595556cfcd63 h: refs/heads/master i:   269995:
 29cd41f5f4ac9d599566d2a444fe0412dabc759a v: v3

---
 [refs]               |  2 +-
 trunk/fs/gfs2/file.c | 13 +++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 3b6a2fd56a26..c1474ec5118d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9a63edd12ba3c18351f00d6b77a6b2f49f2b8eb6
+refs/heads/master: 9453615a1a7ef3fa910c6464a619595556cfcd63
diff --git a/trunk/fs/gfs2/file.c b/trunk/fs/gfs2/file.c
index 4416a1cfa1fe..d717b72500a4 100644
--- a/trunk/fs/gfs2/file.c
+++ b/trunk/fs/gfs2/file.c
@@ -59,15 +59,24 @@ static loff_t gfs2_llseek(struct file *file, loff_t offset, int origin)
 	struct gfs2_holder i_gh;
 	loff_t error;
 
-	if (origin == 2) {
+	switch (origin) {
+	case SEEK_END: /* These reference inode->i_size */
+	case SEEK_DATA:
+	case SEEK_HOLE:
 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
 					   &i_gh);
 		if (!error) {
 			error = generic_file_llseek_unlocked(file, offset, origin);
 			gfs2_glock_dq_uninit(&i_gh);
 		}
-	} else
+		break;
+	case SEEK_CUR:
+	case SEEK_SET:
 		error = generic_file_llseek_unlocked(file, offset, origin);
+		break;
+	default:
+		error = -EINVAL;
+	}
 
 	return error;
 }