nfs/flexfiles: Helper function to detect FF_FLAGS_NO_READ_IO

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The mds can inform the client not to use the IOMODE_RW layout
segment for doing READs. I.e., it is basically a
IOMODE_WRITE layout segment.

It would do this to not interfere with the WRITEs.

Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Tom Haynes 2016-05-25 07:31:12 -07:00 • committed by Anna Schumaker

parent ade8febde0

commit fb1084e332

2 changed files with 16 additions and 1 deletions

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11

fs/nfs/flexfilelayout/flexfilelayout.h

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6

fs/nfs/flexfilelayout/flexfilelayoutdev.c

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