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>
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index cf0d5c2..808d246 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -360,7 +360,7 @@
__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 @@
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 @@
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 @@
(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);