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[Cluster-devel] [PATCH 5/5] GFS2: Check for glock already held in gfs2_getxattr



Since the introduction of atomic_open, gfs2_getxattr can be
called with the glock already held, so we need to allow for
this.

Signed-off-by: Steven Whitehouse <swhiteho redhat com>
Reported-by: David Teigland <teigland redhat com>
Tested-by: David Teigland <teigland redhat com>

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index a01b8fd..64915ee 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1750,6 +1750,10 @@ static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
 	struct gfs2_holder gh;
 	int ret;
 
+	/* For selinux during lookup */
+	if (gfs2_glock_is_locked_by_me(ip->i_gl))
+		return generic_getxattr(dentry, name, data, size);
+
 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
 	ret = gfs2_glock_nq(&gh);
 	if (ret == 0) {
-- 
1.7.4


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