linux-kernel - Re: [rfc] rework aio migrate pages to use aio fs

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Message-ID: <20131003025007.GC13318@ZenIV.linux.org.uk>
Date:	Thu, 3 Oct 2013 03:50:07 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Benjamin LaHaise <bcrl@...ck.org>
Cc:	Linus Torvalds <torvalds@...l.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, linux-aio@...ck.org
Subject: Re: [rfc] rework aio migrate pages to use aio fs

On Thu, Oct 03, 2013 at 03:22:51AM +0100, Al Viro wrote:
> > +	/*
> > +	 * Link the inode to a directory entry by creating a unique name
> > +	 * using the inode sequence number.
> > +	 */
> > +	file = ERR_PTR(-ENOMEM);
> > +	this.name = name;
> > +	this.len = strlen(name);
> > +	this.hash = 0;
> 
> Umm...  ITYM
> 	struct qstr this = QSTR_INIT("[aio]", 5);
> , if not
> 	path.dentry = d_alloc_pseudo(aio_mnt->mnt_sb,
> 				     &(struct qstr)QSTR_INIT("[aio]", 5));
> > +	if (!path.dentry)
> > +		goto err_module;

and you've leaked that inode, BTW.

Another thing: I'd rather pull everything about setting the inode
up (aops, size, etc.) in there.

Anyway, could you take a look at the last couple of commits in
vfs.git#for-bcrl?  Commit message on the last one is an atrocity,
of course...
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