Re: [PATCH 0/3] FF_FLAGS_NO_READ_IO

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Hi Tom,

I'm having trouble applying these patches:

Applying: nfs/flexfiles: Helper function to detect FF_FLAGS_NO_READ_IO
fatal: sha1 information is lacking or useless (fs/nfs/flexfilelayout/flexfilelayout.h).
error: could not build fake ancestor
Patch failed at 0001 nfs/flexfiles: Helper function to detect FF_FLAGS_NO_READ_IO

And attempting to apply using patch(1) has failed chunks.  Do you have an updated version of these?

Thanks,
Anna


On 05/18/2016 05:07 PM, Tom Haynes wrote:
> FF_FLAGS_NO_READ_IO is a hint the mds can use to inform the
> client that an IOMODE_RW layout segment should not be used
> for READ traffic and that the client should instead request
> an IOMODE_READ layout segment. This can be used to isolate
> only WRITE traffic onto the IOMODE_RW layout segment.
> 
> Tom Haynes (3):
>   nfs/flexfiles: Helper function to detect FF_FLAGS_NO_READ_IO
>   nfs/flexfiles: Use the layout segment for reading unless it a
>     IOMODE_RW and reading is disabled
>   pnfs: pnfs_update_layout needs to consider if strict iomode checking
>     is on
> 
>  fs/nfs/filelayout/filelayout.c            |  2 ++
>  fs/nfs/flexfilelayout/flexfilelayout.c    | 50 +++++++++++++++++++++++--------
>  fs/nfs/flexfilelayout/flexfilelayout.h    | 10 ++++++-
>  fs/nfs/flexfilelayout/flexfilelayoutdev.c |  6 ++++
>  fs/nfs/pnfs.c                             | 34 +++++++++++++--------
>  fs/nfs/pnfs.h                             |  1 +
>  6 files changed, 77 insertions(+), 26 deletions(-)
> 

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