diff options
Diffstat (limited to 'fs/lockd/clntproc.c')
| -rw-r--r-- | fs/lockd/clntproc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c index 112952037933..066ac313ae5c 100644 --- a/fs/lockd/clntproc.c +++ b/fs/lockd/clntproc.c @@ -150,17 +150,22 @@ static void nlmclnt_release_lockargs(struct nlm_rqst *req) * @host: address of a valid nlm_host context representing the NLM server * @cmd: fcntl-style file lock operation to perform * @fl: address of arguments for the lock operation + * @data: address of data to be sent to callback operations * */ -int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl) +int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *data) { struct nlm_rqst *call; int status; + const struct nlmclnt_operations *nlmclnt_ops = host->h_nlmclnt_ops; call = nlm_alloc_call(host); if (call == NULL) return -ENOMEM; + if (nlmclnt_ops && nlmclnt_ops->nlmclnt_alloc_call) + nlmclnt_ops->nlmclnt_alloc_call(data); + nlmclnt_locks_init_private(fl, host); if (!fl->fl_u.nfs_fl.owner) { /* lockowner allocation has failed */ @@ -169,6 +174,7 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl) } /* Set up the argument struct */ nlmclnt_setlockargs(call, fl); + call->a_callback_data = data; if (IS_SETLK(cmd) || IS_SETLKW(cmd)) { if (fl->fl_type != F_UNLCK) { @@ -214,8 +220,12 @@ struct nlm_rqst *nlm_alloc_call(struct nlm_host *host) void nlmclnt_release_call(struct nlm_rqst *call) { + const struct nlmclnt_operations *nlmclnt_ops = call->a_host->h_nlmclnt_ops; + if (!atomic_dec_and_test(&call->a_count)) return; + if (nlmclnt_ops && nlmclnt_ops->nlmclnt_release_call) + nlmclnt_ops->nlmclnt_release_call(call->a_callback_data); nlmclnt_release_host(call->a_host); nlmclnt_release_lockargs(call); kfree(call); @@ -687,6 +697,19 @@ out: return status; } +static void nlmclnt_unlock_prepare(struct rpc_task *task, void *data) +{ + struct nlm_rqst *req = data; + const struct nlmclnt_operations *nlmclnt_ops = req->a_host->h_nlmclnt_ops; + bool defer_call = false; + + if (nlmclnt_ops && nlmclnt_ops->nlmclnt_unlock_prepare) + defer_call = nlmclnt_ops->nlmclnt_unlock_prepare(task, req->a_callback_data); + + if (!defer_call) + rpc_call_start(task); +} + static void nlmclnt_unlock_callback(struct rpc_task *task, void *data) { struct nlm_rqst *req = data; @@ -720,6 +743,7 @@ die: } static const struct rpc_call_ops nlmclnt_unlock_ops = { + .rpc_call_prepare = nlmclnt_unlock_prepare, .rpc_call_done = nlmclnt_unlock_callback, .rpc_release = nlmclnt_rpc_release, }; |