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authorPeter Zijlstra <peterz@infradead.org>2017-02-24 16:43:36 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-02 06:40:36 -0500
commit0695d7dc1d9f19b82ec2cae24856bddce278cfe6 (patch)
tree7878aadb0635e4b2c5711d722c1acdacc1b3abfd /fs/orangefs
parentf1ef09fde17f9b77ca1435a5b53a28b203afb81c (diff)
downloadlinux-0695d7dc1d9f19b82ec2cae24856bddce278cfe6.tar.bz2
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) <peterz@infradead.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/orangefs')
-rw-r--r--fs/orangefs/super.c9
1 files changed, 8 insertions, 1 deletions
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);
}
/*