linux-kernel - Re: [PATCH 2/4] fs: factor inode disposal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 27 Oct 2010 03:55:20 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	viro@...IV.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] fs: factor inode disposal

>  /*
> + * Free the inode passed in, removing it from the lists it is still connected
> + * to but avoiding unnecessary lock round-trips for the lists it is no longer
> + * on.
> + *
> + * An inode must already be marked I_FREEING so that we avoid the inode being
> + * moved back onto lists if we race with other code that manipulates the lists
> + * (e.g. writeback_single_inode_inode). The caller is responsisble for setting this.

Too long line.

> + */
> +static void dispose_one_inode(struct inode *inode)
> +{
> +	BUG_ON(!(inode->i_state & I_FREEING));
> +
> +	spin_lock(&inode_lock);
> +	list_del_init(&inode->i_wb_list);
> +	__remove_inode_hash(inode);
> +	__inode_sb_list_del(inode);
> +	spin_unlock(&inode_lock);
> +
> +	evict(inode);
> +
> +	wake_up_inode(inode);
> +	BUG_ON(inode->i_state != (I_FREEING | I_CLEAR));
> +	destroy_inode(inode);
> +}

As this is the only caller of evict left I think the code should just
be added to evict instead of a new function.  Also the hash removal
should happen after evict, so that __wait_on_freeing_inode still works.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/