gfs2: Rename GLF_FROZEN to GLF_HAVE_FROZEN_REPLY

The GLF_FROZEN flag indicates that a reply to a DLM locking request has
been received, but should not be processed at this time.  To clarify
that meaning, rename the flag to GLF_HAVE_FROZEN_REPLY.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

fs/gfs2/glock.c

@@ -1641,7 +1641,7 @@ int gfs2_glock_nq(struct gfs2_holder *gh)
 	spin_lock(&gl->gl_lockref.lock);
 	add_to_queue(gh);
 	if (unlikely((LM_FLAG_NOEXP & gh->gh_flags) &&
-		     test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))) {
+		     test_and_clear_bit(GLF_HAVE_FROZEN_REPLY, &gl->gl_flags))) {
 		set_bit(GLF_HAVE_REPLY, &gl->gl_flags);
 		gl->gl_lockref.count++;
 		gfs2_glock_queue_work(gl, 0);
@@ -1986,7 +1986,7 @@ void gfs2_glock_complete(struct gfs2_glock *gl, int ret)
 
 	if (unlikely(test_bit(DFL_BLOCK_LOCKS, &ls->ls_recover_flags))) {
 		if (gfs2_should_freeze(gl)) {
-			set_bit(GLF_FROZEN, &gl->gl_flags);
+			set_bit(GLF_HAVE_FROZEN_REPLY, &gl->gl_flags);
 			spin_unlock(&gl->gl_lockref.lock);
 			return;
 		}
@@ -2180,7 +2180,7 @@ void gfs2_flush_delete_work(struct gfs2_sbd *sdp)
 
 static void thaw_glock(struct gfs2_glock *gl)
 {
-	if (!test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))
+	if (!test_and_clear_bit(GLF_HAVE_FROZEN_REPLY, &gl->gl_flags))
 		return;
 	if (!lockref_get_not_dead(&gl->gl_lockref))
 		return;
@@ -2368,7 +2368,7 @@ static const char *gflags2str(char *buf, const struct gfs2_glock *gl)
 		*p++ = 'r';
 	if (test_bit(GLF_INITIAL, gflags))
 		*p++ = 'I';
-	if (test_bit(GLF_FROZEN, gflags))
+	if (test_bit(GLF_HAVE_FROZEN_REPLY, gflags))
 		*p++ = 'F';
 	if (!list_empty(&gl->gl_holders))
 		*p++ = 'q';

fs/gfs2/incore.h

@@ -324,7 +324,7 @@ enum {
 	GLF_INVALIDATE_IN_PROGRESS	= 8,
 	GLF_HAVE_REPLY			= 9,
 	GLF_INITIAL			= 10,
-	GLF_FROZEN			= 11,
+	GLF_HAVE_FROZEN_REPLY		= 11,
 	GLF_INSTANTIATE_IN_PROG		= 12, /* instantiate happening now */
 	GLF_LRU				= 13,
 	GLF_OBJECT			= 14, /* Used only for tracing */

fs/gfs2/trace_gfs2.h

@@ -55,7 +55,7 @@
 	{(1UL << GLF_INVALIDATE_IN_PROGRESS),	"i" },		\
 	{(1UL << GLF_HAVE_REPLY),		"r" },		\
 	{(1UL << GLF_INITIAL),			"I" },		\
-	{(1UL << GLF_FROZEN),			"F" },		\
+	{(1UL << GLF_HAVE_FROZEN_REPLY),	"F" },		\
 	{(1UL << GLF_LRU),			"L" },		\
 	{(1UL << GLF_OBJECT),			"o" },		\
 	{(1UL << GLF_BLOCKING),			"b" })