linux-ext4 - Re: [PATCH 08/11] fs: move fiemap range validation into the file systems instances

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Message-ID: <CAOQ4uxhY28otTkkkN7=2QQaONu6GwLcePE=q6J+po9Fv=HXFSw@mail.gmail.com>
Date:   Tue, 28 Apr 2020 05:35:10 +0300
From:   Amir Goldstein <amir73il@...il.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Ext4 <linux-ext4@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        Theodore Tso <tytso@....edu>,
        Andreas Dilger <adilger@...ger.ca>,
        Ritesh Harjani <riteshh@...ux.ibm.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        overlayfs <linux-unionfs@...r.kernel.org>
Subject: Re: [PATCH 08/11] fs: move fiemap range validation into the file
 systems instances

On Mon, Apr 27, 2020 at 9:20 PM Christoph Hellwig <hch@....de> wrote:
>
> Replace fiemap_check_flags with a fiemap_validate helpers that also takes

Leftover fiemap_validate

> the inode and mapped range, and performs the sanity check and truncation
> previously done in fiemap_check_range.  This way the validation is inside
> the file system itself and thus properly works for the stacked overlayfs
> case as well.
>
> Signed-off-by: Christoph Hellwig <hch@....de>


Reviewed-by: Amir Goldstein <amir73il@...il.com>

Thanks for fixing this,
Amir.