From: Christoph Hellwig <hch@infradead.org>
To: Anna Schumaker <Anna.Schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org, Trond.Myklebust@primarydata.com,
bfields@fieldses.org, hch@infradead.org
Subject: Re: [PATCH v2 3/3] NFS: Add COPY nfs operation
Date: Sun, 20 Dec 2015 07:53:21 -0800 [thread overview]
Message-ID: <20151220155321.GC18236@infradead.org> (raw)
In-Reply-To: <1450472727-19893-4-git-send-email-Anna.Schumaker@Netapp.com>
> + if (res.write_res.committed != NFS_FILE_SYNC) {
> + status = nfs42_proc_commit(dst, pos_dst, res.write_res.count);
> + if (status)
> + return status;
> + }
Do we really expect data to be stabe on disk after a copy_file_range?
Seems like the page cache variant doesn't guarantee that, and it would
also be different from all other I/O syscalls.
Either way we will probably need to document the assumptions in the man
page.
next prev parent reply other threads:[~2015-12-20 15:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-18 21:05 [PATCH v2 0/3] NFSv4.2: Add support for the COPY operation Anna Schumaker
2015-12-18 21:05 ` [PATCH v2 1/3] NFSD: Don't pass filehandle to nfs4_preprocess_stateid_op() Anna Schumaker
2015-12-20 15:45 ` Christoph Hellwig
2016-01-04 19:01 ` Anna Schumaker
2015-12-18 21:05 ` [PATCH v2 2/3] NFSD: Implement the COPY call Anna Schumaker
2015-12-20 15:50 ` Christoph Hellwig
2016-01-04 19:39 ` Anna Schumaker
2015-12-18 21:05 ` [PATCH v2 3/3] NFS: Add COPY nfs operation Anna Schumaker
2015-12-20 15:53 ` Christoph Hellwig [this message]
2016-01-04 20:05 ` Anna Schumaker
2015-12-18 21:05 ` [RFC v2 4/3] vfs_copy_range() test program Anna Schumaker
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