[PATCH v2] staging/lustre: lloop depends on BLOCK

Christoph Hellwig hch at infradead.org
Fri Aug 2 10:49:30 UTC 2013


On Thu, Aug 01, 2013 at 07:57:22PM +0000, Dilger, Andreas wrote:
> It provides significant performance improvement for network IO on Lustre.
> It bypasses DLM locking in Lustre and the VFS layer on the client, copying
> in the loop driver, and page-by-page IO submission in the normal IO path.

Part of being upstream is improving existing drivers instead of copy and
pasting them.  Please take a Look at Shaggys in-kernel direct I/O and
loop improvements and submit any incremental improvements ontop of that
one.



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