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orangefs: Use RCU for destroy_inode

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freeing of inodes must be RCU-delayed on all filesystems

Cc: stable@vger.kernel.org
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Peter Zijlstra 2017-02-24 16:43:36 +01:00 committed by Al Viro
parent f1ef09fde1
commit 0695d7dc1d
1 changed files with 8 additions and 1 deletions
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9
fs/orangefs/super.c
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@ -115,6 +115,13 @@ static struct inode *orangefs_alloc_inode(struct super_block *sb)
return &orangefs_inode->vfs_inode; 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) static void orangefs_destroy_inode(struct inode *inode)
{ {
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(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", "%s: deallocated %p destroying inode %pU\n",
__func__, orangefs_inode, get_khandle_from_ino(inode)); __func__, orangefs_inode, get_khandle_from_ino(inode));
kmem_cache_free(orangefs_inode_cache, orangefs_inode); call_rcu(&inode->i_rcu, orangefs_i_callback);
} }
/* /*