[PATCH] cleanup hugelbfs_forget_inode (0b1533f6) · Commits · 戴 / test

fs/hugetlbfs/inode.c

+20 −18

Original line number	Diff line number	Diff line
		@@ -231,25 +231,28 @@ static void hugetlbfs_delete_inode(struct inode *inode)

		static void hugetlbfs_forget_inode(struct inode *inode)
		{
		struct super_block *super_block = inode->i_sb;
		struct super_block *sb = inode->i_sb;

		if (hlist_unhashed(&inode->i_hash))
		goto out_truncate;

		if (!(inode->i_state & (I_DIRTY\|I_LOCK))) {
		list_del(&inode->i_list);
		list_add(&inode->i_list, &inode_unused);
		}
		if (!hlist_unhashed(&inode->i_hash)) {
		if (!(inode->i_state & (I_DIRTY\|I_LOCK)))
		list_move(&inode->i_list, &inode_unused);
		inodes_stat.nr_unused++;
		if (!super_block \|\| (super_block->s_flags & MS_ACTIVE)) {
		if (!sb \|\| (sb->s_flags & MS_ACTIVE)) {
		spin_unlock(&inode_lock);
		return;
		}

		/* write_inode_now() ? */
		inode->i_state \|= I_WILL_FREE;
		spin_unlock(&inode_lock);
		/*
		* write_inode_now is a noop as we set BDI_CAP_NO_WRITEBACK
		* in our backing_dev_info.
		*/
		write_inode_now(inode, 1);
		spin_lock(&inode_lock);
		inode->i_state &= ~I_WILL_FREE;
		inodes_stat.nr_unused--;
		hlist_del_init(&inode->i_hash);
		out_truncate:
		}
		list_del_init(&inode->i_list);
		list_del_init(&inode->i_sb_list);
		inode->i_state \|= I_FREEING;
		@@ -257,7 +260,6 @@ out_truncate:
		spin_unlock(&inode_lock);
		if (inode->i_data.nrpages)
		truncate_hugepages(&inode->i_data, 0);

		clear_inode(inode);
		destroy_inode(inode);
		}