From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751512AbdBXSpX (ORCPT ); Fri, 24 Feb 2017 13:45:23 -0500 Received: from merlin.infradead.org ([205.233.59.134]:59440 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751356AbdBXSoY (ORCPT ); Fri, 24 Feb 2017 13:44:24 -0500 Message-Id: <20170224162044.333662852@infradead.org> User-Agent: quilt/0.63-1 Date: Fri, 24 Feb 2017 16:43:36 +0100 From: Peter Zijlstra To: Al Viro , Linus Torvalds , Chris Mason Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, David Howells , elena.reshetova@intel.com, ishkamiel@gmail.com, dwindsor@gmail.com, gregkh@linuxfoundation.org, peterz@infradead.org Subject: [RFC][PATCH 07/10] orangefs: Use RCU for destroy_inode References: <20170224154329.478276481@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=peterz-fs-inode-6.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Peter Zijlstra (Intel) --- fs/orangefs/super.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inod return &orangefs_inode->vfs_inode; } +static void orangefs_i_callback(struct rcu_head *head) +{ + struct inode *inode = container_of(head, struct inode, i_rcu); + struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); + kmem_cache_free(orangefs_inode_cache, orangefs_inode); +} + static void orangefs_destroy_inode(struct inode *inode) { struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode); @@ -123,7 +130,7 @@ static void orangefs_destroy_inode(struc "%s: deallocated %p destroying inode %pU\n", __func__, orangefs_inode, get_khandle_from_ino(inode)); - kmem_cache_free(orangefs_inode_cache, orangefs_inode); + call_rcu(&inode->i_rcu, orangefs_i_callback); } /*