nfs41: add NFS_LAYOUT_RETRY_LAYOUTGET to layout header flags

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Use it to indicate that LD wants to retry layoutget. LD can set
it whenever it wants the common pnfs code to return and retry
pnfs path through a new layout.

The bit gets cleared when client does a new layoutget, when client
closes the file (ROC case), or when kernel needs to evict the inode
(non-ROC case).

Signed-off-by: Peng Tao <tao.peng@primarydata.com>

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Peng Tao 2014-12-01 08:22:18 +08:00 • committed by Tom Haynes

parent 27b6f53987

commit c829013dca

2 changed files with 21 additions and 0 deletions

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3

fs/nfs/pnfs.c

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18

fs/nfs/pnfs.h

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