diff options
| author | David Teigland <teigland@redhat.com> | 2007-12-06 09:35:25 -0600 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2008-01-25 08:08:23 +0000 |
| commit | 2066b58b0a038d7aedd24133677efb8856cac3a1 (patch) | |
| tree | 0afb8a5ee7a9c1a0e4f618b818f8bd05ccd8c3a9 /fs/gfs2/locking/dlm/plock.c | |
| parent | dbee2199c37336e89060fbe9abdfd1ca8454372a (diff) | |
| download | lwn-2066b58b0a038d7aedd24133677efb8856cac3a1.tar.gz lwn-2066b58b0a038d7aedd24133677efb8856cac3a1.zip | |
[GFS2] use pid for plock owner for nfs clients
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 <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/locking/dlm/plock.c')
| -rw-r--r-- | fs/gfs2/locking/dlm/plock.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c index 1f7b038530b4..2ebd374b3143 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)); |