fs: icache RCU free inodes

[firefly-linux-kernel-4.4.55.git] / fs / affs / super.c

diff --git a/fs/affs/super.c b/fs/affs/super.c
index fa4fbe1e238a344bbe35207e635461f07ac81691..4c18fcfb0a1974d52d65678b34b77d9d72e950e9 100644 (file)
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -95,11 +95,18 @@ static struct inode *affs_alloc_inode(struct super_block *sb)
        return &i->vfs_inode;
 }
 
-static void affs_destroy_inode(struct inode *inode)
+static void affs_i_callback(struct rcu_head *head)
 {
+       struct inode *inode = container_of(head, struct inode, i_rcu);
+       INIT_LIST_HEAD(&inode->i_dentry);
        kmem_cache_free(affs_inode_cachep, AFFS_I(inode));
 }
 
+static void affs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, affs_i_callback);
+}
+
 static void init_once(void *foo)
 {
        struct affs_inode_info *ei = (struct affs_inode_info *) foo;
@@ -573,17 +580,16 @@ affs_statfs(struct dentry *dentry, struct kstatfs *buf)
        return 0;
 }
 
-static int affs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *affs_mount(struct file_system_type *fs_type,
+       int flags, const char *dev_name, void *data)
 {
-       return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super,
-                          mnt);
+       return mount_bdev(fs_type, flags, dev_name, data, affs_fill_super);
 }
 
 static struct file_system_type affs_fs_type = {
        .owner          = THIS_MODULE,
        .name           = "affs",
-       .get_sb         = affs_get_sb,
+       .mount          = affs_mount,
        .kill_sb        = kill_block_super,
        .fs_flags       = FS_REQUIRES_DEV,
 };