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From: chenditang <chendt.fnst@cn.fujitsu.com>
To: bhalevy@tonian.com
Cc: linux-nfs@vger.kernel.org, LINE <fnst-xmlinux@cn.fujitsu.com>
Subject: pnfs: WRITE operation will not send LAYOUTCOMMI OP to MDS if use filelayout
Date: Mon, 18 Mar 2013 15:11:52 +0800	[thread overview]
Message-ID: <5146BE38.2060004@cn.fujitsu.com> (raw)

In the recent pnfs kernel versions, WRITE operation will not send
LAYOUTCOMMI OP to MDS if use filelayout.

In nfs_write_rpcsetup function, the value of the variable 'stable' will
always be NFS_FILE_SYNC(ncommit is 0). so NFS_INO_LAYOUTCOMMIT 
flag will not be set.

The value of the variable ncommit' will be ++ in the later process
(nfs_writeback_release_common function).


Thanks!


             reply	other threads:[~2013-03-18  7:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-18  7:11 chenditang [this message]
2013-03-18  9:01 ` pnfs: WRITE operation will not send LAYOUTCOMMI OP to MDS if use filelayout Benny Halevy
2013-03-18 10:47   ` chenditang
2013-03-18 12:57 ` Myklebust, Trond

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