diff options
Diffstat (limited to 'fs/gfs2/locking/dlm')
-rw-r--r-- | fs/gfs2/locking/dlm/mount.c | 5 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/plock.c | 18 | ||||
-rw-r--r-- | fs/gfs2/locking/dlm/thread.c | 9 |
3 files changed, 21 insertions, 11 deletions
diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c index 41c5b04caab..f2efff42422 100644 --- a/fs/gfs2/locking/dlm/mount.c +++ b/fs/gfs2/locking/dlm/mount.c @@ -67,6 +67,11 @@ static int make_args(struct gdlm_ls *ls, char *data_arg, int *nodir) memset(data, 0, 256); strncpy(data, data_arg, 255); + if (!strlen(data)) { + log_error("no mount options, (u)mount helpers not installed"); + return -EINVAL; + } + for (options = data; (x = strsep(&options, ":")); ) { if (!*x) continue; diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c index 1f7b038530b..2ebd374b314 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)); diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c index bd938f06481..521694fc19d 100644 --- a/fs/gfs2/locking/dlm/thread.c +++ b/fs/gfs2/locking/dlm/thread.c @@ -273,18 +273,13 @@ static int gdlm_thread(void *data, int blist) struct gdlm_ls *ls = (struct gdlm_ls *) data; struct gdlm_lock *lp = NULL; uint8_t complete, blocking, submit, drop; - DECLARE_WAITQUEUE(wait, current); /* Only thread1 is allowed to do blocking callbacks since gfs may wait for a completion callback within a blocking cb. */ while (!kthread_should_stop()) { - set_current_state(TASK_INTERRUPTIBLE); - add_wait_queue(&ls->thread_wait, &wait); - if (no_work(ls, blist)) - schedule(); - remove_wait_queue(&ls->thread_wait, &wait); - set_current_state(TASK_RUNNING); + wait_event_interruptible(ls->thread_wait, + !no_work(ls, blist) || kthread_should_stop()); complete = blocking = submit = drop = 0; |