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SUNRPC: Change the default limit to the number of TCP slots 

Since the scheme of limiting the number of TCP slots to whatever will
fit in the current TCP window seems to be working well (Andy reports
getting within 20% of the 'iperf' send performance on a 10GigE link)
we should just let that be the default mode of operation.

Users may still set their own limits using the tcp_max_slot_table_entries
parameter if they need to.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-02-06 15:18:48 -05:00
parent 5753cba176
commit 883381246c
2 changed files with 2 additions and 2 deletions
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2
include/linux/nfs_fs_sb.h
View File

@ -190,7 +190,7 @@ struct nfs_server {
/* maximum number of slots to use */
#define NFS4_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE
#define NFS4_MAX_SLOT_TABLE (128U)
#if defined(CONFIG_NFS_V4)

2
include/linux/sunrpc/xprt.h
View File

@ -21,8 +21,8 @@
#define RPC_MIN_SLOT_TABLE (2U)
#define RPC_DEF_SLOT_TABLE (16U)
#define RPC_MAX_SLOT_TABLE (128U)
#define RPC_MAX_SLOT_TABLE_LIMIT (65536U)
#define RPC_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE_LIMIT
/*
* This describes a timeout strategy