diff options
| author | Alessandro Rubini <rubini-list@gnudd.com> | 2009-08-07 13:59:16 +0200 |
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2009-08-25 13:35:54 -0700 |
| commit | bd931ca61c84039241d438ade4a9755ae0e5372f (patch) | |
| tree | c1ce4b80189ccb3208f842f4d83edd0e9b59ab44 | |
| parent | 89ba81d1079a07b8430a98c1746c6d411312eb0d (diff) | |
nfs: accept CONFIG_NFS_READ_SIZE from config file
To take advantage of defragmented packets, the config file
can define CONFIG_NFS_READ_SIZE to override the 1kB default.
No support is there for an environment variable by now.
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
| -rw-r--r-- | net/nfs.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/nfs.h b/net/nfs.h index 712afa089aa..de8a0c64c07 100644 --- a/net/nfs.h +++ b/net/nfs.h @@ -38,8 +38,14 @@ /* Block size used for NFS read accesses. A RPC reply packet (including all * headers) must fit within a single Ethernet frame to avoid fragmentation. - * Chosen to be a power of two, as most NFS servers are optimized for this. */ -#define NFS_READ_SIZE 1024 + * However, if CONFIG_IP_DEFRAG is set, the config file may want to use a + * bigger value. In any case, most NFS servers are optimized for a power of 2. + */ +#ifdef CONFIG_NFS_READ_SIZE +#define NFS_READ_SIZE CONFIG_NFS_READ_SIZE +#else +#define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */ +#endif #define NFS_MAXLINKDEPTH 16 |