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author	Trond Myklebust <trond.myklebust@primarydata.com>
	Thu, 31 Dec 2015 16:44:06 +0000 (11:44 -0500)
committer	Trond Myklebust <trond.myklebust@primarydata.com>
	Thu, 31 Dec 2015 18:50:42 +0000 (13:50 -0500)
commit	dc602dd706cb64036132a7903ead1c67d9a7bcb9
tree	88d632825b446b8445a0219c3ac24a00a1d2853b	tree \| snapshot (tar.gz zip)
parent	e07db907eb80525874b7707c62cc6f5e975ef130	commit \| diff

NFS/pNFS: Fix up pNFS write reschedule layering violations and bugs

The flexfiles layout in particular, seems to want to poke around in the
O_DIRECT flags when retransmitting.
This patch sets up an interface to allow it to call back into O_DIRECT
to handle retransmission correctly. It also fixes a potential bug whereby
we could change the behaviour of O_DIRECT if an error is already pending.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

fs/nfs/direct.c		diff \| blob \| blame \| history
fs/nfs/flexfilelayout/flexfilelayout.c		diff \| blob \| blame \| history
fs/nfs/internal.h		diff \| blob \| blame \| history
fs/nfs/write.c		diff \| blob \| blame \| history
include/linux/nfs_xdr.h		diff \| blob \| blame \| history

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