linux-kernel - [PATCH 5.16 079/203] Revert "gfs2: check context in gfs2_glock

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Message-Id: <20220214092512.963476086@linuxfoundation.org>
Date:   Mon, 14 Feb 2022 10:25:23 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andreas Gruenbacher <agruenba@...hat.com>
Subject: [PATCH 5.16 079/203] Revert "gfs2: check context in gfs2_glock_put"

From: Andreas Gruenbacher <agruenba@...hat.com>

commit 356b8103d4c495d5440e3e687db9026ec2b76043 upstream.

It turns out that the might_sleep() call that commit 660a6126f8c3 adds
is triggering occasional data corruption in testing.  We're not sure
about the root cause yet, but since this commit was added as a debugging
aid only, revert it for now.

This reverts commit 660a6126f8c3208f6df8d552039cda078a8426d1.

Fixes: 660a6126f8c3 ("gfs2: check context in gfs2_glock_put")
Cc: stable@...r.kernel.org # v5.16+
Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/gfs2/glock.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -301,9 +301,6 @@ void gfs2_glock_queue_put(struct gfs2_gl
 
 void gfs2_glock_put(struct gfs2_glock *gl)
 {
-	/* last put could call sleepable dlm api */
-	might_sleep();
-
 	if (lockref_put_or_lock(&gl->gl_lockref))
 		return;