diff options
| -rw-r--r-- | fs/gfs2/glock.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index faa88bd594e2..b7123de7c180 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -558,7 +558,14 @@ __acquires(&gl->gl_lockref.lock) GLOCK_BUG_ON(gl, gl->gl_state == gl->gl_target); if ((target == LM_ST_UNLOCKED || target == LM_ST_DEFERRED) && glops->go_inval) { - set_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags); + /* + * If another process is already doing the invalidate, let that + * finish first. The glock state machine will get back to this + * holder again later. + */ + if (test_and_set_bit(GLF_INVALIDATE_IN_PROGRESS, + &gl->gl_flags)) + return; do_error(gl, 0); /* Fail queued try locks */ } gl->gl_req = target; |