From mboxrd@z Thu Jan 1 00:00:00 1970 From: swhiteho@redhat.com Date: Mon, 21 Jan 2008 09:21:51 +0000 Subject: [Cluster-devel] [PATCH 33/58] [GFS2] use pid for plock owner for nfs clients In-Reply-To: <1200907397123-git-send-email-swhiteho@redhat.com> References: <1200907336293-git-send-email-swhiteho@redhat.com> <12009073443813-git-send-email-swhiteho@redhat.com> <12009073453549-git-send-email-swhiteho@redhat.com> <1200907348435-git-send-email-swhiteho@redhat.com> <12009073492811-git-send-email-swhiteho@redhat.com> <12009073512300-git-send-email-swhiteho@redhat.com> <12009073531216-git-send-email-swhiteho@redhat.com> <12009073542596-git-send-email-swhiteho@redhat.com> <1200907356883-git-send-email-swhiteho@redhat.com> <12009073571991-git-send-email-swhiteho@redhat.com> <12009073591688-git-send-email-swhiteho@redhat.com> <12009073611695-git-send-email-swhiteho@redhat.com> <1200907362266-git-send-email-swhiteho@redhat.com> <12009073642512-git-send-email-swhiteho@redhat.com> <12009073662309-git-send-email-swhiteho@redhat.com> <12009073671755-git-send-email-swhiteho@redhat.com> <12009073698-git-send-email-swhiteho@redhat.com> <12009073701982-git-send-email-swhiteho@redhat.com> <12009073722253-git-send-email-swhiteho@redhat.com> <1200907374616-git-send-email-swhiteho@redhat.com> <12009073753723-git-send-email-swhiteho@redhat.com> <12009073771883-git-send-email-swhiteho@redhat.com> <1200907378664-git-send-email-swhiteho@redhat.com> <12009073803732-git-send-email-swhiteho@redhat.com> <12009073823161-git-send-email-swhiteho@redhat.com> <12009073841692-git-send-email-swhiteho@redhat.com> <12009073862261-git-send-email-swhiteho@redhat.com> <12009073883125-git-send-email-swhiteho@redhat.com> <12009073891848-git-send-email-swhiteho@redhat.com> <12009073913676-git-send-email-swhiteho@redhat.com> <12009073933630-git-send-email-swhiteho@redhat.com> <12009073953412-git-send-email-swhiteho@redhat.com> <1200907397123-git-send-email-swhiteho@redhat.com> Message-ID: <12009073981159-git-send-email-swhiteho@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: David Teigland The fl_owner is that of lockd when posix locks arrive from nfs clients, so it can't be used to distinguish between lock holders. Use fl_pid as owner instead; it's the pid of the process on the nfs client. Signed-off-by: David Teigland Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c index 1f7b038..2ebd374 100644 --- a/fs/gfs2/locking/dlm/plock.c +++ b/fs/gfs2/locking/dlm/plock.c @@ -89,15 +89,19 @@ int gdlm_plock(void *lockspace, struct lm_lockname *name, op->info.number = name->ln_number; op->info.start = fl->fl_start; op->info.end = fl->fl_end; - op->info.owner = (__u64)(long) fl->fl_owner; if (fl->fl_lmops && fl->fl_lmops->fl_grant) { + /* fl_owner is lockd which doesn't distinguish + processes on the nfs client */ + op->info.owner = (__u64) fl->fl_pid; xop->callback = fl->fl_lmops->fl_grant; locks_init_lock(&xop->flc); locks_copy_lock(&xop->flc, fl); xop->fl = fl; xop->file = file; - } else + } else { + op->info.owner = (__u64)(long) fl->fl_owner; xop->callback = NULL; + } send_op(op); @@ -203,7 +207,10 @@ int gdlm_punlock(void *lockspace, struct lm_lockname *name, op->info.number = name->ln_number; op->info.start = fl->fl_start; op->info.end = fl->fl_end; - op->info.owner = (__u64)(long) fl->fl_owner; + if (fl->fl_lmops && fl->fl_lmops->fl_grant) + op->info.owner = (__u64) fl->fl_pid; + else + op->info.owner = (__u64)(long) fl->fl_owner; send_op(op); wait_event(recv_wq, (op->done != 0)); @@ -242,7 +249,10 @@ int gdlm_plock_get(void *lockspace, struct lm_lockname *name, op->info.number = name->ln_number; op->info.start = fl->fl_start; op->info.end = fl->fl_end; - op->info.owner = (__u64)(long) fl->fl_owner; + if (fl->fl_lmops && fl->fl_lmops->fl_grant) + op->info.owner = (__u64) fl->fl_pid; + else + op->info.owner = (__u64)(long) fl->fl_owner; send_op(op); wait_event(recv_wq, (op->done != 0)); -- 1.5.1.2