linux-kernel - [PATCH v2 1/3] gfs2: use lockref_init for gl

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Message-ID: <20250130135624.1899988-2-agruenba@redhat.com>
Date: Thu, 30 Jan 2025 14:56:21 +0100
From: Andreas Gruenbacher <agruenba@...hat.com>
To: Christian Brauner <brauner@...nel.org>
Cc: Andreas Gruenbacher <agruenba@...hat.com>,
	Christoph Hellwig <hch@....de>,
	gfs2@...ts.linux.dev,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] gfs2: use lockref_init for gl_lockref

Move the initialization of gl_lockref from gfs2_init_glock_once() to
gfs2_glock_get().  This allows to use lockref_init() there.

Reviewed-by: Christoph Hellwig <hch@....de>
Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com>
---
 fs/gfs2/glock.c | 2 +-
 fs/gfs2/main.c  | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 8c4c1f871a88..b29eb71e3e29 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1201,8 +1201,8 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	if (glops->go_instantiate)
 		gl->gl_flags |= BIT(GLF_INSTANTIATE_NEEDED);
 	gl->gl_name = name;
+	lockref_init(&gl->gl_lockref, 1);
 	lockdep_set_subclass(&gl->gl_lockref.lock, glops->go_subclass);
-	gl->gl_lockref.count = 1;
 	gl->gl_state = LM_ST_UNLOCKED;
 	gl->gl_target = LM_ST_UNLOCKED;
 	gl->gl_demote_state = LM_ST_EXCLUSIVE;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 04cadc02e5a6..0727f60ad028 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -51,7 +51,6 @@ static void gfs2_init_glock_once(void *foo)
 {
 	struct gfs2_glock *gl = foo;
 
-	spin_lock_init(&gl->gl_lockref.lock);
 	INIT_LIST_HEAD(&gl->gl_holders);
 	INIT_LIST_HEAD(&gl->gl_lru);
 	INIT_LIST_HEAD(&gl->gl_ail_list);
-- 
2.48.1