From ab871b903e9095772c219b512d9eae96c4663a5d Mon Sep 17 00:00:00 2001 From: Eric W. Biederman Date: Thu, 31 Jan 2013 03:40:12 -0800 Subject: ceph: Translate inode uid and gid attributes to/from kuids and kgids. - In fill_inode() transate uids and gids in the initial user namespace into kuids and kgids stored in inode->i_uid and inode->i_gid. - In ceph_setattr() if they have changed convert inode->i_uid and inode->i_gid into initial user namespace uids and gids for transmission. Cc: Sage Weil Signed-off-by: "Eric W. Biederman" --- fs/ceph/inode.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'fs/ceph/inode.c') diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 2971eaa65cdc..40e0787022e9 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -612,8 +612,8 @@ static int fill_inode(struct inode *inode, if ((issued & CEPH_CAP_AUTH_EXCL) == 0) { inode->i_mode = le32_to_cpu(info->mode); - inode->i_uid = le32_to_cpu(info->uid); - inode->i_gid = le32_to_cpu(info->gid); + inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(info->uid)); + inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(info->gid)); dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode, inode->i_uid, inode->i_gid); } @@ -1570,8 +1570,9 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr) inode->i_uid = attr->ia_uid; dirtied |= CEPH_CAP_AUTH_EXCL; } else if ((issued & CEPH_CAP_AUTH_SHARED) == 0 || - attr->ia_uid != inode->i_uid) { - req->r_args.setattr.uid = cpu_to_le32(attr->ia_uid); + !uid_eq(attr->ia_uid, inode->i_uid)) { + req->r_args.setattr.uid = cpu_to_le32( + from_kuid(&init_user_ns, attr->ia_uid)); mask |= CEPH_SETATTR_UID; release |= CEPH_CAP_AUTH_SHARED; } @@ -1583,8 +1584,9 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr) inode->i_gid = attr->ia_gid; dirtied |= CEPH_CAP_AUTH_EXCL; } else if ((issued & CEPH_CAP_AUTH_SHARED) == 0 || - attr->ia_gid != inode->i_gid) { - req->r_args.setattr.gid = cpu_to_le32(attr->ia_gid); + !gid_eq(attr->ia_gid, inode->i_gid)) { + req->r_args.setattr.gid = cpu_to_le32( + from_kgid(&init_user_ns, attr->ia_gid)); mask |= CEPH_SETATTR_GID; release |= CEPH_CAP_AUTH_SHARED; } -- cgit v1.2.3-55-g7522