CLOSE and LOCKU can use the machine credential.
Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 19 ++++++++++++++++++-
include/linux/nfs_fs_sb.h | 1 +
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7acf20e..76cfd0b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2511,6 +2511,9 @@ int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait)
};
int status = -ENOMEM;
+ nfs4_state_protect(server->nfs_client, NFS_SP4_MACH_CRED_CLEANUP,
+ &task_setup_data.rpc_client, &msg);
+
calldata = kzalloc(sizeof(*calldata), gfp_mask);
if (calldata == NULL)
goto out;
@@ -5091,6 +5094,9 @@ static struct rpc_task *nfs4_do_unlck(struct file_lock *fl,
.flags = RPC_TASK_ASYNC,
};
+ nfs4_state_protect(NFS_SERVER(lsp->ls_state->inode)->nfs_client,
+ NFS_SP4_MACH_CRED_CLEANUP, &task_setup_data.rpc_client, &msg);
+
/* Ensure this is an unlock - when canceling a lock, the
* canceled lock is passed in, and it won't be an unlock.
*/
@@ -5918,7 +5924,8 @@ out:
}
/*
- * Minimum set of SP4_MACH_CRED operations from RFC 5661
+ * Minimum set of SP4_MACH_CRED operations from RFC 5661 in the enforce map
+ * and operations we'd like to see to enable certain features in the allow map
*/
static const struct nfs41_state_protection nfs4_sp4_mach_cred_request = {
.how = SP4_MACH_CRED,
@@ -5928,6 +5935,10 @@ static const struct nfs41_state_protection nfs4_sp4_mach_cred_request = {
1 << (OP_CREATE_SESSION - 32) |
1 << (OP_DESTROY_SESSION - 32) |
1 << (OP_DESTROY_CLIENTID - 32)
+ },
+ .allow.u.words = {
+ [0] = 1 << (OP_CLOSE) |
+ 1 << (OP_LOCKU)
}
};
@@ -5987,6 +5998,12 @@ static int nfs4_sp4_select_mode(struct nfs_client *clp,
dfprintk(MOUNT, "sp4_mach_cred: disabled\n");
return -EINVAL;
}
+
+ if (test_bit(OP_CLOSE, sp->allow.u.longs) &&
+ test_bit(OP_LOCKU, sp->allow.u.longs)) {
+ dfprintk(MOUNT, " cleanup mode enabled\n");
+ set_bit(NFS_SP4_MACH_CRED_CLEANUP, &clp->cl_sp4_flags);
+ }
}
return 0;
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index a0af429..7da24e0 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -91,6 +91,7 @@ struct nfs_client {
unsigned long cl_sp4_flags;
#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 */
#endif /* CONFIG_NFS_V4 */
#ifdef CONFIG_NFS_FSCACHE
--
1.7.12.4 (Apple Git-37)
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
