linux-kernel - Re: [PATCH 01/14] orangefs: don't return errno values from ->fault

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Message-ID: <20180516111851.GA20670@bombadil.infradead.org>
Date:   Wed, 16 May 2018 04:18:51 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Souptick Joarder <jrdr.linux@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, devel@...ts.orangefs.org,
        ceph-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
        linux-mtd@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        lustre-devel@...ts.lustre.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH 01/14] orangefs: don't return errno values from ->fault

On Wed, May 16, 2018 at 07:43:35AM +0200, Christoph Hellwig wrote:
> +	rc = orangefs_inode_getattr(file->f_mapping->host, 0, 1, STATX_SIZE);
>  	if (rc) {
>  		gossip_err("%s: orangefs_inode_getattr failed, "
>  		    "rc:%d:.\n", __func__, rc);
> -		return rc;
> +		return VM_FAULT_SIGBUS;

Nope.  orangefs_inode_getattr can return -ENOMEM.

>  	}
>  	return filemap_fault(vmf);
>  }
> -- 
> 2.17.0
>