gfs2: fix recovery during unmount

Journal recovery from lock_dlm should not be ignored
if there is an unmount in progress.  Ignoring it will
causes the recovery to get stuck.  The recovery
process will correctly handle an in-progess unmount.

Signed-off-by: David Teigland <teigland@redhat.com>

diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index d33172c..9c2592b 100644 (file)
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -368,10 +368,7 @@ int gfs2_recover_set(struct gfs2_sbd *sdp, unsigned jid)
        struct gfs2_jdesc *jd;
        int rv;
 
-       rv = -ESHUTDOWN;
        spin_lock(&sdp->sd_jindex_spin);
-       if (test_bit(SDF_NORECOVERY, &sdp->sd_flags))
-               goto out;
        rv = -EBUSY;
        if (sdp->sd_jdesc->jd_jid == jid)
                goto out;
@@ -396,8 +393,13 @@ static ssize_t recover_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
        if (rv != 1)
                return -EINVAL;
 
-       rv = gfs2_recover_set(sdp, jid);
+       if (test_bit(SDF_NORECOVERY, &sdp->sd_flags)) {
+               rv = -ESHUTDOWN;
+               goto out;
+       }
 
+       rv = gfs2_recover_set(sdp, jid);
+out:
        return rv ? rv : len;
 }