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path: root/fs/nfsd/nfs4xdr.c
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Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
-rw-r--r--fs/nfsd/nfs4xdr.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 8fae53ce21d1..382c1fd05b4c 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -58,7 +58,7 @@
#define NFSDDBG_FACILITY NFSDDBG_XDR
-u32 nfsd_suppattrs[3][3] = {
+const u32 nfsd_suppattrs[3][3] = {
{NFSD4_SUPPORTED_ATTRS_WORD0,
NFSD4_SUPPORTED_ATTRS_WORD1,
NFSD4_SUPPORTED_ATTRS_WORD2},
@@ -1250,7 +1250,7 @@ nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write)
READ_BUF(16);
p = xdr_decode_hyper(p, &write->wr_offset);
write->wr_stable_how = be32_to_cpup(p++);
- if (write->wr_stable_how > 2)
+ if (write->wr_stable_how > NFS_FILE_SYNC)
goto xdr_error;
write->wr_buflen = be32_to_cpup(p++);
@@ -1941,12 +1941,12 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
} else
max_reply += nfsd4_max_reply(argp->rqstp, op);
/*
- * OP_LOCK may return a conflicting lock. (Special case
- * because it will just skip encoding this if it runs
- * out of xdr buffer space, and it is the only operation
- * that behaves this way.)
+ * OP_LOCK and OP_LOCKT may return a conflicting lock.
+ * (Special case because it will just skip encoding this
+ * if it runs out of xdr buffer space, and it is the only
+ * operation that behaves this way.)
*/
- if (op->opnum == OP_LOCK)
+ if (op->opnum == OP_LOCK || op->opnum == OP_LOCKT)
max_reply += NFS4_OPAQUE_LIMIT;
if (op->status) {
@@ -1966,9 +1966,13 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
DECODE_TAIL;
}
-static __be32 *encode_change(__be32 *p, struct kstat *stat, struct inode *inode)
+static __be32 *encode_change(__be32 *p, struct kstat *stat, struct inode *inode,
+ struct svc_export *exp)
{
- if (IS_I_VERSION(inode)) {
+ if (exp->ex_flags & NFSEXP_V4ROOT) {
+ *p++ = cpu_to_be32(convert_to_wallclock(exp->cd->flush_time));
+ *p++ = 0;
+ } else if (IS_I_VERSION(inode)) {
p = xdr_encode_hyper(p, inode->i_version);
} else {
*p++ = cpu_to_be32(stat->ctime.tv_sec);
@@ -2417,8 +2421,11 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
if ((bmval2 & FATTR4_WORD2_SECURITY_LABEL) ||
bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) {
- err = security_inode_getsecctx(d_inode(dentry),
+ if (exp->ex_flags & NFSEXP_SECURITY_LABEL)
+ err = security_inode_getsecctx(d_inode(dentry),
&context, &contextlen);
+ else
+ err = -EOPNOTSUPP;
contextsupport = (err == 0);
if (bmval2 & FATTR4_WORD2_SECURITY_LABEL) {
if (err == -EOPNOTSUPP)
@@ -2490,7 +2497,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
p = xdr_reserve_space(xdr, 8);
if (!p)
goto out_resource;
- p = encode_change(p, &stat, d_inode(dentry));
+ p = encode_change(p, &stat, d_inode(dentry), exp);
}
if (bmval0 & FATTR4_WORD0_SIZE) {
p = xdr_reserve_space(xdr, 8);