From 8b5bee2e1b60a611b15b1862f55e60cc9f668324 Mon Sep 17 00:00:00 2001 From: Weston Andros Adamson Date: Tue, 13 Aug 2013 16:37:35 -0400 Subject: [PATCH] nfs4.1: Add SP4_MACH_CRED secinfo support SECINFO and SECINFO_NONAME can use the machine credential. Signed-off-by: Weston Andros Adamson Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 14 +++++++++++++- include/linux/nfs_fs_sb.h | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index cba486a18f1e..5c917c975432 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5998,6 +5998,10 @@ static int _nfs4_proc_secinfo(struct inode *dir, const struct qstr *name, struct } dprintk("NFS call secinfo %s\n", name->name); + + nfs4_state_protect(NFS_SERVER(dir)->nfs_client, + NFS_SP4_MACH_CRED_SECINFO, &clnt, &msg); + status = nfs4_call_sync(clnt, NFS_SERVER(dir), &msg, &args.seq_args, &res.seq_res, 0); dprintk("NFS reply secinfo: %d\n", status); @@ -6137,7 +6141,9 @@ static const struct nfs41_state_protection nfs4_sp4_mach_cred_request = { }, .allow.u.words = { [0] = 1 << (OP_CLOSE) | - 1 << (OP_LOCKU) + 1 << (OP_LOCKU), + [1] = 1 << (OP_SECINFO - 32) | + 1 << (OP_SECINFO_NO_NAME - 32) } }; @@ -6203,6 +6209,12 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp, dfprintk(MOUNT, " cleanup mode enabled\n"); set_bit(NFS_SP4_MACH_CRED_CLEANUP, &clp->cl_sp4_flags); } + + if (test_bit(OP_SECINFO, sp->allow.u.longs) && + test_bit(OP_SECINFO_NO_NAME, sp->allow.u.longs)) { + dfprintk(MOUNT, " secinfo mode enabled\n"); + set_bit(NFS_SP4_MACH_CRED_SECINFO, &clp->cl_sp4_flags); + } } return 0; diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index c0ba33874a85..800da116950b 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -95,6 +95,7 @@ struct nfs_client { #define NFS_SP4_MACH_CRED_MINIMAL 1 /* Minimal sp4_mach_cred - state ops * must use machine cred */ #define NFS_SP4_MACH_CRED_CLEANUP 2 /* CLOSE and LOCKU */ +#define NFS_SP4_MACH_CRED_SECINFO 3 /* SECINFO and SECINFO_NO_NAME */ #endif /* CONFIG_NFS_V4 */ #ifdef CONFIG_NFS_FSCACHE