From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:60827 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934871Ab0KQRoG (ORCPT ); Wed, 17 Nov 2010 12:44:06 -0500 Received: by ywg8 with SMTP id 8so1254693ywg.19 for ; Wed, 17 Nov 2010 09:44:06 -0800 (PST) From: Chuck Lever Subject: [PATCH 03/17] NFS: Update xdr_encode_foo() functions that we're keeping To: trond.myklebust@netapp.com Cc: linux-nfs@vger.kernel.org Date: Wed, 17 Nov 2010 12:44:02 -0500 Message-ID: <20101117174402.29177.20391.stgit@matisse.1015granger.net> In-Reply-To: <20101117174112.29177.69734.stgit@matisse.1015granger.net> References: <20101117174112.29177.69734.stgit@matisse.1015granger.net> Content-Type: text/plain; charset="utf-8" Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Clean up. The new helper functions are kept in order by section of RFC 1094. Move the two timestamp encoders we're keeping, update their coding style, and refresh their documenting comments. Signed-off-by: Chuck Lever Tested-by: J. Bruce Fields --- fs/nfs/nfs2xdr.c | 59 ++++++++++++++++++++++++++++++------------------------ 1 files changed, 33 insertions(+), 26 deletions(-) diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 0110108..53db70e 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -91,32 +91,6 @@ xdr_decode_fhandle(__be32 *p, struct nfs_fh *fhandle) } static inline __be32* -xdr_encode_time(__be32 *p, const struct timespec *timep) -{ - *p++ = htonl(timep->tv_sec); - /* Convert nanoseconds into microseconds */ - *p++ = htonl(timep->tv_nsec ? timep->tv_nsec / 1000 : 0); - return p; -} - -static inline __be32* -xdr_encode_current_server_time(__be32 *p, const struct timespec *timep) -{ - /* - * Passing the invalid value useconds=1000000 is a - * Sun convention for "set to current server time". - * It's needed to make permissions checks for the - * "touch" program across v2 mounts to Solaris and - * Irix boxes work correctly. See description of - * sattr in section 6.1 of "NFS Illustrated" by - * Brent Callaghan, Addison-Wesley, ISBN 0-201-32750-5 - */ - *p++ = htonl(timep->tv_sec); - *p++ = htonl(1000000); - return p; -} - -static inline __be32* xdr_decode_time(__be32 *p, struct timespec *timep) { timep->tv_sec = ntohl(*p++); @@ -179,6 +153,39 @@ static void encode_fhandle(struct xdr_stream *xdr, const struct nfs_fh *fh) } /* + * 2.3.4. timeval + * + * struct timeval { + * unsigned int seconds; + * unsigned int useconds; + * }; + */ +static __be32 *xdr_encode_time(__be32 *p, const struct timespec *timep) +{ + *p++ = cpu_to_be32(timep->tv_sec); + if (timep->tv_nsec != 0) + *p++ = cpu_to_be32(timep->tv_nsec / NSEC_PER_USEC); + else + *p++ = cpu_to_be32(0); + return p; +} + +/* + * Passing the invalid value useconds=1000000 is a Sun convention for + * "set to current server time". It's needed to make permissions checks + * for the "touch" program across v2 mounts to Solaris and Irix servers + * work correctly. See description of sattr in section 6.1 of "NFS + * Illustrated" by Brent Callaghan, Addison-Wesley, ISBN 0-201-32750-5. + */ +static __be32 *xdr_encode_current_server_time(__be32 *p, + const struct timespec *timep) +{ + *p++ = cpu_to_be32(timep->tv_sec); + *p++ = cpu_to_be32(1000000); + return p; +} + +/* * 2.3.6. sattr * * struct sattr {