lockd: move grace period checks to common code

Do all the grace period checks in svclock.c.  This simplifies the code a
bit, and will ease some later changes.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 13 insertions, 1 deletions

diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index cf0d5c2c318d..808d246ada4d 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -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 +406,11 @@ 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 (!wait)
                 lock->fl.fl_flags &= ~FL_SLEEP;
         error = vfs_lock_file(file->f_file, F_SETLK, &lock->fl, NULL);
@@ -502,6 +507,10 @@ 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 == FILE_LOCK_DEFERRED) {
                 ret = nlmsvc_defer_lock_rqst(rqstp, block);
@@ -582,6 +591,9 @@ 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);