linux-ext4 - Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults

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Message-ID: <20170824122720.GA9961@infradead.org>
Date:   Thu, 24 Aug 2017 05:27:20 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-fsdevel@...r.kernel.org, linux-nvdimm@...ts.01.org,
        Andy Lutomirski <luto@...nel.org>, linux-ext4@...r.kernel.org,
        linux-xfs@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Boaz Harrosh <boazh@...app.com>
Subject: Re: [PATCH 11/13] dax, iomap: Add support for synchronous faults

Just curious:  how does IOMAP_F_NEEDDSYNC practically differ
from IOMAP_F_NEW?