fs: icache RCU free inodes

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

diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 6b9be90dae7dd7affc1ccba35c02bd9fac193570..2c61ac5d4e48874eb7fb6cb1a5f03ca68453d45c 100644 (file)
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1412,11 +1412,18 @@ static struct inode *ufs_alloc_inode(struct super_block *sb)
        return &ei->vfs_inode;
 }
 
-static void ufs_destroy_inode(struct inode *inode)
+static void ufs_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(ufs_inode_cachep, UFS_I(inode));
 }
 
+static void ufs_destroy_inode(struct inode *inode)
+{
+       call_rcu(&inode->i_rcu, ufs_i_callback);
+}
+
 static void init_once(void *foo)
 {
        struct ufs_inode_info *ei = (struct ufs_inode_info *) foo;
@@ -1454,16 +1461,16 @@ static const struct super_operations ufs_super_ops = {
        .show_options   = ufs_show_options,
 };
 
-static int ufs_get_sb(struct file_system_type *fs_type,
-       int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *ufs_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, ufs_fill_super, mnt);
+       return mount_bdev(fs_type, flags, dev_name, data, ufs_fill_super);
 }
 
 static struct file_system_type ufs_fs_type = {
        .owner          = THIS_MODULE,
        .name           = "ufs",
-       .get_sb         = ufs_get_sb,
+       .mount          = ufs_mount,
        .kill_sb        = kill_block_super,
        .fs_flags       = FS_REQUIRES_DEV,
 };