diff options
Diffstat (limited to 'fs/dlm/ast.c')
| -rw-r--r-- | fs/dlm/ast.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 19ef136f9e4f..d60a8d8f109d 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -200,13 +200,13 @@ void dlm_add_cb(struct dlm_lkb *lkb, uint32_t flags, int mode, int status, if (!prev_seq) { kref_get(&lkb->lkb_ref); + mutex_lock(&ls->ls_cb_mutex); if (test_bit(LSFL_CB_DELAY, &ls->ls_flags)) { - mutex_lock(&ls->ls_cb_mutex); list_add(&lkb->lkb_cb_list, &ls->ls_cb_delay); - mutex_unlock(&ls->ls_cb_mutex); } else { queue_work(ls->ls_callback_wq, &lkb->lkb_cb_work); } + mutex_unlock(&ls->ls_cb_mutex); } out: mutex_unlock(&lkb->lkb_cb_mutex); @@ -288,10 +288,13 @@ void dlm_callback_stop(struct dlm_ls *ls) void dlm_callback_suspend(struct dlm_ls *ls) { - set_bit(LSFL_CB_DELAY, &ls->ls_flags); + if (ls->ls_callback_wq) { + mutex_lock(&ls->ls_cb_mutex); + set_bit(LSFL_CB_DELAY, &ls->ls_flags); + mutex_unlock(&ls->ls_cb_mutex); - if (ls->ls_callback_wq) flush_workqueue(ls->ls_callback_wq); + } } #define MAX_CB_QUEUE 25 @@ -302,11 +305,11 @@ void dlm_callback_resume(struct dlm_ls *ls) int count = 0, sum = 0; bool empty; - clear_bit(LSFL_CB_DELAY, &ls->ls_flags); - if (!ls->ls_callback_wq) return; + clear_bit(LSFL_CB_DELAY, &ls->ls_flags); + more: mutex_lock(&ls->ls_cb_mutex); list_for_each_entry_safe(lkb, safe, &ls->ls_cb_delay, lkb_cb_list) { |