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net: nfs: Drop CONFIG_NFS_READ_SIZE

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In the general case, CONFIG_NFS_READ_SIZE is unchanged from the default
of 1024.  There are in fact no in-tree users that increase this size.
Adjust the comment to reflect what could be done in the future in
conjunction with CONFIG_IP_DEFRAG.

Cc: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Tom Rini 2017-08-20 22:40:01 -04:00 • committed by Joe Hershberger
parent 05b29aa0cb
commit 0b1e580672
1 changed files with 5 additions and 8 deletions
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11
net/nfs.h
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@ -36,16 +36,13 @@
#define NFSERR_ISDIR 21 #define NFSERR_ISDIR 21
#define NFSERR_INVAL 22 #define NFSERR_INVAL 22
/* Block size used for NFS read accesses. A RPC reply packet (including all /*
* Block size used for NFS read accesses. A RPC reply packet (including all
* headers) must fit within a single Ethernet frame to avoid fragmentation. * headers) must fit within a single Ethernet frame to avoid fragmentation.
* However, if CONFIG_IP_DEFRAG is set, the config file may want to use a * However, if CONFIG_IP_DEFRAG is set, a bigger value could be used. In any
* bigger value. In any case, most NFS servers are optimized for a power of 2. * 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 */ #define NFS_READ_SIZE 1024 /* biggest power of two that fits Ether frame */
#endif
/* Values for Accept State flag on RPC answers (See: rfc1831) */ /* Values for Accept State flag on RPC answers (See: rfc1831) */
enum rpc_accept_stat { enum rpc_accept_stat {