From 3787d5063c52b0c38003e6293f24839508604070 Mon Sep 17 00:00:00 2001 From: Weston Andros Adamson Date: Tue, 13 Aug 2013 16:37:36 -0400 Subject: [PATCH] nfs4.1: Add SP4_MACH_CRED stateid support TEST_STATEID and FREE_STATEID can use the machine credential. Signed-off-by: Weston Andros Adamson Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 19 +++++++++++++++++-- include/linux/nfs_fs_sb.h | 1 + 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5c917c975432..4818a38f469b 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6143,7 +6143,9 @@ static const struct nfs41_state_protection nfs4_sp4_mach_cred_request = { [0] = 1 << (OP_CLOSE) | 1 << (OP_LOCKU), [1] = 1 << (OP_SECINFO - 32) | - 1 << (OP_SECINFO_NO_NAME - 32) + 1 << (OP_SECINFO_NO_NAME - 32) | + 1 << (OP_TEST_STATEID - 32) | + 1 << (OP_FREE_STATEID - 32) } }; @@ -6215,6 +6217,12 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp, dfprintk(MOUNT, " secinfo mode enabled\n"); set_bit(NFS_SP4_MACH_CRED_SECINFO, &clp->cl_sp4_flags); } + + if (test_bit(OP_TEST_STATEID, sp->allow.u.longs) && + test_bit(OP_FREE_STATEID, sp->allow.u.longs)) { + dfprintk(MOUNT, " stateid mode enabled\n"); + set_bit(NFS_SP4_MACH_CRED_STATEID, &clp->cl_sp4_flags); + } } return 0; @@ -7547,11 +7555,15 @@ static int _nfs41_test_stateid(struct nfs_server *server, .rpc_resp = &res, .rpc_cred = cred, }; + struct rpc_clnt *rpc_client = server->client; + + nfs4_state_protect(server->nfs_client, NFS_SP4_MACH_CRED_STATEID, + &rpc_client, &msg); dprintk("NFS call test_stateid %p\n", stateid); nfs4_init_sequence(&args.seq_args, &res.seq_res, 0); nfs4_set_sequence_privileged(&args.seq_args); - status = nfs4_call_sync_sequence(server->client, server, &msg, + status = nfs4_call_sync_sequence(rpc_client, server, &msg, &args.seq_args, &res.seq_res); if (status != NFS_OK) { dprintk("NFS reply test_stateid: failed, %d\n", status); @@ -7643,6 +7655,9 @@ static struct rpc_task *_nfs41_free_stateid(struct nfs_server *server, }; struct nfs_free_stateid_data *data; + nfs4_state_protect(server->nfs_client, NFS_SP4_MACH_CRED_STATEID, + &task_setup.rpc_client, &msg); + dprintk("NFS call free_stateid %p\n", stateid); data = kmalloc(sizeof(*data), GFP_NOFS); if (!data) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 800da116950b..179586555bbe 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -96,6 +96,7 @@ struct nfs_client { * 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 */ +#define NFS_SP4_MACH_CRED_STATEID 4 /* TEST_STATEID and FREE_STATEID */ #endif /* CONFIG_NFS_V4 */ #ifdef CONFIG_NFS_FSCACHE -- 2.30.2