NSM: Move NSM-related XDR data structures to lockd's xdr.h
[safe/jmp/linux-2.6] / fs / lockd / svclock.c
index 821b9ac..6063a8e 100644 (file)
@@ -360,7 +360,7 @@ nlmsvc_defer_lock_rqst(struct svc_rqst *rqstp, struct nlm_block *block)
 __be32
 nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
            struct nlm_host *host, struct nlm_lock *lock, int wait,
-           struct nlm_cookie *cookie)
+           struct nlm_cookie *cookie, int reclaim)
 {
        struct nlm_block        *block = NULL;
        int                     error;
@@ -406,6 +406,15 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
                goto out;
        }
 
+       if (locks_in_grace() && !reclaim) {
+               ret = nlm_lck_denied_grace_period;
+               goto out;
+       }
+       if (reclaim && !locks_in_grace()) {
+               ret = nlm_lck_denied_grace_period;
+               goto out;
+       }
+
        if (!wait)
                lock->fl.fl_flags &= ~FL_SLEEP;
        error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);
@@ -418,8 +427,8 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
                        goto out;
                case -EAGAIN:
                        ret = nlm_lck_denied;
-                       break;
-               case -EINPROGRESS:
+                       goto out;
+               case FILE_LOCK_DEFERRED:
                        if (wait)
                                break;
                        /* Filesystem lock operation is in progress
@@ -434,10 +443,6 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
                        goto out;
        }
 
-       ret = nlm_lck_denied;
-       if (!wait)
-               goto out;
-
        ret = nlm_lck_blocked;
 
        /* Append to list of blocked */
@@ -506,8 +511,12 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
                goto out;
        }
 
+       if (locks_in_grace()) {
+               ret = nlm_lck_denied_grace_period;
+               goto out;
+       }
        error = vfs_test_lock(file->f_file, &lock->fl);
-       if (error == -EINPROGRESS) {
+       if (error == FILE_LOCK_DEFERRED) {
                ret = nlmsvc_defer_lock_rqst(rqstp, block);
                goto out;
        }
@@ -586,6 +595,9 @@ nlmsvc_cancel_blocked(struct nlm_file *file, struct nlm_lock *lock)
                                (long long)lock->fl.fl_start,
                                (long long)lock->fl.fl_end);
 
+       if (locks_in_grace())
+               return nlm_lck_denied_grace_period;
+
        mutex_lock(&file->f_mutex);
        block = nlmsvc_lookup_block(file, lock);
        mutex_unlock(&file->f_mutex);
@@ -731,8 +743,7 @@ nlmsvc_grant_blocked(struct nlm_block *block)
        switch (error) {
        case 0:
                break;
-       case -EAGAIN:
-       case -EINPROGRESS:
+       case FILE_LOCK_DEFERRED:
                dprintk("lockd: lock still blocked error %d\n", error);
                nlmsvc_insert_block(block, NLM_NEVER);
                nlmsvc_release_block(block);