提交 7bd9ee58 编写于 作者: S Steven Whitehouse

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: NSteven Whitehouse <swhiteho@redhat.com>
Reported-by: NDavid Teigland <teigland@redhat.com>
Tested-by: NDavid Teigland <teigland@redhat.com>
上级 dfc4616d
......@@ -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) {
......
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