diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index b78eceebd945e30f4c38da1c12f9ff171ae1bca0..dfcc957e460d64b9936340f27badc2ad55b59405 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -71,13 +71,15 @@ nfsd3_proc_setattr(struct svc_rqst *rqstp)
struct nfsd_attrs attrs = {
.na_iattr = &argp->attrs,
};
+ const struct timespec64 *guardtime = NULL;
dprintk("nfsd: SETATTR(3) %s\n",
SVCFH_fmt(&argp->fh));
fh_copy(&resp->fh, &argp->fh);
- resp->status = nfsd_setattr(rqstp, &resp->fh, &attrs,
- argp->check_guard, argp->guardtime);
+ if (argp->check_guard)
+ guardtime = &argp->guardtime;
+ resp->status = nfsd_setattr(rqstp, &resp->fh, &attrs, guardtime);
return rpc_success;
}
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index f32128955ec8d1dd0e2130e04155aada2f6cb6c1..a7a07470c1f846408e1b31d97bc7a55fa471bb5a 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -295,17 +295,14 @@ svcxdr_decode_sattr3(struct svc_rqst *rqstp, struct xdr_stream *xdr,
static bool
svcxdr_decode_sattrguard3(struct xdr_stream *xdr, struct nfsd3_sattrargs *args)
{
- __be32 *p;
u32 check;
if (xdr_stream_decode_bool(xdr, &check) < 0)
return false;
if (check) {
- p = xdr_inline_decode(xdr, XDR_UNIT * 2);
- if (!p)
+ if (!svcxdr_decode_nfstime3(xdr, &args->guardtime))
return false;
args->check_guard = 1;
- args->guardtime = be32_to_cpup(p);
} else
args->check_guard = 0;
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 2f524f45350824eacf99cacf0f2fdb8410148bee..2927b1263f086d8f0e64e8858d290c6a81822d36 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1171,8 +1171,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto out;
save_no_wcc = cstate->current_fh.fh_no_wcc;
cstate->current_fh.fh_no_wcc = true;
- status = nfsd_setattr(rqstp, &cstate->current_fh, &attrs,
- 0, (time64_t)0);
+ status = nfsd_setattr(rqstp, &cstate->current_fh, &attrs, NULL);
cstate->current_fh.fh_no_wcc = save_no_wcc;
if (!status)
status = nfserrno(attrs.na_labelerr);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7476726634f5318a24fb9b8d9989d604cb2286d3..aee12adf059811506a8a4c8b662b6b2b5c30a37f 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5460,7 +5460,7 @@ nfsd4_truncate(struct svc_rqst *rqstp, struct svc_fh *fh,
return 0;
if (!(open->op_share_access & NFS4_SHARE_ACCESS_WRITE))
return nfserr_inval;
- return nfsd_setattr(rqstp, fh, &attrs, 0, (time64_t)0);
+ return nfsd_setattr(rqstp, fh, &attrs, NULL);
}
static __be32 nfs4_get_vfs_file(struct svc_rqst *rqstp, struct nfs4_file *fp,
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index a7315928a760794ecb96507933629fec734651bb..36370b957b63378f023005b73d0af27363d564e0 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -103,7 +103,7 @@ nfsd_proc_setattr(struct svc_rqst *rqstp)
}
}
- resp->status = nfsd_setattr(rqstp, fhp, &attrs, 0, (time64_t)0);
+ resp->status = nfsd_setattr(rqstp, fhp, &attrs, NULL);
if (resp->status != nfs_ok)
goto out;
@@ -390,8 +390,8 @@ nfsd_proc_create(struct svc_rqst *rqstp)
*/
attr->ia_valid &= ATTR_SIZE;
if (attr->ia_valid)
- resp->status = nfsd_setattr(rqstp, newfhp, &attrs, 0,
- (time64_t)0);
+ resp->status = nfsd_setattr(rqstp, newfhp, &attrs,
+ NULL);
}
out_unlock:
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 76e89329b9f11ddc09d46630986a122a090ed201..a3a4400e75be1046f901a08ac1ca4258e46e3f87 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -476,7 +476,6 @@ static int __nfsd_setattr(struct dentry *dentry, struct iattr *iap)
* @rqstp: controlling RPC transaction
* @fhp: filehandle of target
* @attr: attributes to set
- * @check_guard: set to 1 if guardtime is a valid timestamp
* @guardtime: do not act if ctime.tv_sec does not match this timestamp
*
* This call may adjust the contents of @attr (in particular, this
@@ -488,8 +487,7 @@ static int __nfsd_setattr(struct dentry *dentry, struct iattr *iap)
*/
__be32
nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
- struct nfsd_attrs *attr,
- int check_guard, time64_t guardtime)
+ struct nfsd_attrs *attr, const struct timespec64 *guardtime)
{
struct dentry *dentry;
struct inode *inode;
@@ -538,9 +536,6 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
nfsd_sanitize_attrs(inode, iap);
- if (check_guard && guardtime != inode_get_ctime_sec(inode))
- return nfserr_notsync;
-
/*
* The size case is special, it changes the file in addition to the
* attributes, and file systems don't expect it to be mixed with
@@ -558,6 +553,16 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
err = fh_fill_pre_attrs(fhp);
if (err)
goto out_unlock;
+
+ if (guardtime) {
+ struct timespec64 ctime = inode_get_ctime(inode);
+ if ((u32)guardtime->tv_sec != (u32)ctime.tv_sec ||
+ guardtime->tv_nsec != ctime.tv_nsec) {
+ err = nfserr_notsync;
+ goto out_fill_attrs;
+ }
+ }
+
for (retries = 1;;) {
struct iattr attrs;
@@ -585,6 +590,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
attr->na_aclerr = set_posix_acl(&nop_mnt_idmap,
dentry, ACL_TYPE_DEFAULT,
attr->na_dpacl);
+out_fill_attrs:
fh_fill_post_attrs(fhp);
out_unlock:
inode_unlock(inode);
@@ -1411,7 +1417,7 @@ nfsd_create_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp,
* if the attributes have not changed.
*/
if (iap->ia_valid)
- status = nfsd_setattr(rqstp, resfhp, attrs, 0, (time64_t)0);
+ status = nfsd_setattr(rqstp, resfhp, attrs, NULL);
else
status = nfserrno(commit_metadata(resfhp));
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 1efa4e8dfb03495482caedb23ae69fedaea67398..c60fdb6200fded34c06fa46ce414991ac51a265e 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -69,7 +69,7 @@ __be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
const char *, unsigned int,
struct svc_export **, struct dentry **);
__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
- struct nfsd_attrs *, int, time64_t);
+ struct nfsd_attrs *, const struct timespec64 *);
int nfsd_mountpoint(struct dentry *, struct svc_export *);
#ifdef CONFIG_NFSD_V4
__be32 nfsd4_vfs_fallocate(struct svc_rqst *, struct svc_fh *,
diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h
index 03fe4e21306cba0a95eb91adaefeb377e08bd977..522067b7fd755930a1c2e42b826d9132ac2993be 100644
--- a/fs/nfsd/xdr3.h
+++ b/fs/nfsd/xdr3.h
@@ -14,7 +14,7 @@ struct nfsd3_sattrargs {
struct svc_fh fh;
struct iattr attrs;
int check_guard;
- time64_t guardtime;
+ struct timespec64 guardtime;
};
struct nfsd3_diropargs {