From 0695d7dc1d9f19b82ec2cae24856bddce278cfe6 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 24 Feb 2017 16:43:36 +0100 Subject: [PATCH] orangefs: Use RCU for destroy_inode freeing of inodes must be RCU-delayed on all filesystems Cc: stable@vger.kernel.org Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Al Viro --- fs/orangefs/super.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index c48859f16e7b..67c24351a67f 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb) 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(struct inode *inode) "%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); } /* -- 2.20.1