linux-ext4 - Re: [PATCH 09/11] fs: handle FIEMAP_FLAG_SYNC in fiemap

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Date:   Tue, 5 May 2020 12:43:19 +0200
From:   Christoph Hellwig <hch@....de>
To:     Ritesh Harjani <riteshh@...ux.ibm.com>
Cc:     Christoph Hellwig <hch@....de>, linux-ext4@...r.kernel.org,
        viro@...iv.linux.org.uk, jack@...e.cz, tytso@....edu,
        adilger@...ger.ca, amir73il@...il.com,
        linux-fsdevel@...r.kernel.org, linux-unionfs@...r.kernel.org
Subject: Re: [PATCH 09/11] fs: handle FIEMAP_FLAG_SYNC in fiemap_prep

On Sat, May 02, 2020 at 04:22:31AM +0530, Ritesh Harjani wrote:
>
>
> On 4/27/20 11:49 PM, Christoph Hellwig wrote:
>> By moving FIEMAP_FLAG_SYNC handling to fiemap_prep we ensure it is
>> handled once instead of duplicated, but can still be done under fs locks,
>> like xfs/iomap intended with its duplicate handling.  Also make sure the
>> error value of filemap_write_and_wait is propagated to user space.
>
>
> Forgot to remove filemap_write_and_wait() from
> ext4_ioctl_get_es_cache() ?

Fixed.