linux-kernel - [PATCH 02/17] staging: lustre: remove unused ldlm_completion_ast

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Date:   Thu, 29 Mar 2018 15:26:48 +1100
From:   NeilBrown <neilb@...e.com>
To:     Oleg Drokin <oleg.drokin@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        James Simmons <jsimmons@...radead.org>,
        Andreas Dilger <andreas.dilger@...el.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>
Subject: [PATCH 02/17] staging: lustre: remove unused
 ldlm_completion_ast_async()

This function is unused.

Signed-off-by: NeilBrown <neilb@...e.com>
---
 drivers/staging/lustre/lustre/include/lustre_dlm.h |    1 -
 drivers/staging/lustre/lustre/ldlm/ldlm_request.c  |   23 --------------------
 2 files changed, 24 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h
index 239aa2b1268f..7407acf60cf8 100644
--- a/drivers/staging/lustre/lustre/include/lustre_dlm.h
+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h
@@ -1227,7 +1227,6 @@ int ldlm_lock_change_resource(struct ldlm_namespace *, struct ldlm_lock *,
  * processing.
  * @{
  */
-int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data);
 int ldlm_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data);
 /** @} ldlm_local_ast */
 
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
index c3c9186b74ce..be43958e4090 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c
@@ -191,29 +191,6 @@ static int ldlm_completion_tail(struct ldlm_lock *lock, void *data)
 	return result;
 }
 
-/**
- * Implementation of ->l_completion_ast() for a client, that doesn't wait
- * until lock is granted. Suitable for locks enqueued through ptlrpcd, of
- * other threads that cannot block for long.
- */
-int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data)
-{
-	if (flags == LDLM_FL_WAIT_NOREPROC) {
-		LDLM_DEBUG(lock, "client-side enqueue waiting on pending lock");
-		return 0;
-	}
-
-	if (!(flags & LDLM_FL_BLOCKED_MASK)) {
-		wake_up(&lock->l_waitq);
-		return ldlm_completion_tail(lock, data);
-	}
-
-	LDLM_DEBUG(lock,
-		   "client-side enqueue returned a blocked lock, going forward");
-	return 0;
-}
-EXPORT_SYMBOL(ldlm_completion_ast_async);
-
 /**
  * Generic LDLM "completion" AST. This is called in several cases:
  *