From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 8D25729DFB for ; Thu, 1 Aug 2013 10:30:13 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 6FCA43040DD for ; Thu, 1 Aug 2013 08:30:13 -0700 (PDT) Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by cuda.sgi.com with ESMTP id g97mFZcRvSukDSFX (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 01 Aug 2013 08:30:12 -0700 (PDT) Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id r71FUBBu001470 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 1 Aug 2013 15:30:11 GMT Received: from userz7021.oracle.com (userz7021.oracle.com [156.151.31.85]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r71FUAhx028326 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 1 Aug 2013 15:30:11 GMT Received: from abhmt106.oracle.com (abhmt106.oracle.com [141.146.116.58]) by userz7021.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id r71FUAMU028300 for ; Thu, 1 Aug 2013 15:30:10 GMT Date: Thu, 1 Aug 2013 11:29:58 -0400 From: Dwight Engen Subject: [PATCH v8 1/7] xfs: create wrappers for converting kuid_t to/from uid_t Message-ID: <20130801112958.497c5fe6@oracle.com> Mime-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Reviewed-by: Dave Chinner Reviewed-by: Gao feng Signed-off-by: Dwight Engen --- fs/xfs/xfs_linux.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index 800f896..761e4c0 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -159,6 +159,32 @@ #define MAX(a,b) (max(a,b)) #define howmany(x, y) (((x)+((y)-1))/(y)) +/* Kernel uid/gid conversion. These are used to convert to/from the on disk + * uid_t/gid_t types to the kuid_t/kgid_t types that the kernel uses internally. + * The conversion here is type only, the value will remain the same since we + * are converting to the init_user_ns. The uid is later mapped to a particular + * user namespace value when crossing the kernel/user boundary. + */ +static inline __uint32_t xfs_kuid_to_uid(kuid_t uid) +{ + return from_kuid(&init_user_ns, uid); +} + +static inline kuid_t xfs_uid_to_kuid(__uint32_t uid) +{ + return make_kuid(&init_user_ns, uid); +} + +static inline __uint32_t xfs_kgid_to_gid(kgid_t gid) +{ + return from_kgid(&init_user_ns, gid); +} + +static inline kgid_t xfs_gid_to_kgid(__uint32_t gid) +{ + return make_kgid(&init_user_ns, gid); +} + /* * Various platform dependent calls that don't fit anywhere else */ -- 1.8.1.4 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs