From a7a2ff8a951ab373732116e7c31e2e1fe025d5e0 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Fri, 8 Jun 2007 17:01:40 -0500 Subject: [PATCH] [GFS2] return conflicts for GETLK We weren't returning the correct result when GETLK found a conflict, which is indicated by userspace passing back a 1. Signed-off-by: Abhijith Das Signed-off-by: David Teigland Signed-off-by: Steven Whitehouse --- fs/gfs2/locking/dlm/plock.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c index 1dc76805dd45..fba1f1d87e4f 100644 --- a/fs/gfs2/locking/dlm/plock.c +++ b/fs/gfs2/locking/dlm/plock.c @@ -254,16 +254,20 @@ int gdlm_plock_get(void *lockspace, struct lm_lockname *name, } spin_unlock(&ops_lock); + /* info.rv from userspace is 1 for conflict, 0 for no-conflict, + -ENOENT if there are no locks on the file */ + rv = op->info.rv; fl->fl_type = F_UNLCK; if (rv == -ENOENT) rv = 0; - else if (rv == 0 && op->info.pid != fl->fl_pid) { + else if (rv > 0) { fl->fl_type = (op->info.ex) ? F_WRLCK : F_RDLCK; fl->fl_pid = op->info.pid; fl->fl_start = op->info.start; fl->fl_end = op->info.end; + rv = 0; } kfree(op); -- 2.39.5