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

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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>

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Trond Myklebust 2015-12-31 11:44:06 -05:00

parent e07db907eb

commit dc602dd706

5 changed files with 23 additions and 19 deletions

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21

fs/nfs/direct.c

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13

fs/nfs/flexfilelayout/flexfilelayout.c

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1

fs/nfs/internal.h

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6

fs/nfs/write.c

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1

include/linux/nfs_xdr.h

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