[pnfs] [PATCH] Increase maximum buffer size for layouts to 4 KB

[Benny Halevy]

We need a bigger buffer size for our layouts.  Since we're
still using a statically sized buffer, is it ok with everybody
to increase its size to 4 KB as in the patch below?

Benny

Increase maximum buffer size for layouts to 4 KB.

Signed-off-by: Benny Halevy bhalevy at panasas.com

==== //depot/pub/pnfs/include/linux/pnfs_xdr.h#1 - 
/home/bhalevy/p4.local/pub-pnfs/include/linux/pnfs_xdr.h ====
diff -Npu /tmp/tmp.12239.0 
/home/bhalevy/p4.local/pub-pnfs/include/linux/pnfs_xdr.h -L 
a/include/linux/pnfs_xdr.h -L b/include/linux/pnfs_xdr.h
--- a/include/linux/pnfs_xdr.h
+++ b/include/linux/pnfs_xdr.h
@@ -14,7 +14,7 @@

  #include <linux/nfs4.h>

-#define PNFS_LAYOUT_MAXSIZE 1024
+#define PNFS_LAYOUT_MAXSIZE 4096
  #define PNFS_MAX_NUM_LAYOUT_TYPES 2

  enum layoutreturn_type {