diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index ee2a8ec70056..b4672eafc5bf 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -452,7 +452,7 @@ find_timestamp(struct cifs_ses *ses)
 	unsigned char *blobptr;
 	unsigned char *blobend;
 	struct ntlmssp2_name *attrptr;
-	struct timespec ts;
+	struct timespec64 ts;
 
 	if (!ses->auth_key.len || !ses->auth_key.response)
 		return 0;
@@ -477,7 +477,7 @@ find_timestamp(struct cifs_ses *ses)
 		blobptr += attrsize; /* advance attr value */
 	}
 
-	ktime_get_real_ts(&ts);
+	ktime_get_real_ts64(&ts);
 	return cpu_to_le64(cifs_UnixTimeToNT(ts));
 }
 
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c923c7854027..b57d1e22ecb5 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1544,9 +1544,9 @@ struct cifs_fattr {
 	dev_t		cf_rdev;
 	unsigned int	cf_nlink;
 	unsigned int	cf_dtype;
-	struct timespec	cf_atime;
-	struct timespec	cf_mtime;
-	struct timespec	cf_ctime;
+	struct timespec64 cf_atime;
+	struct timespec64 cf_mtime;
+	struct timespec64 cf_ctime;
 };
 
 static inline void free_dfs_info_param(struct dfs_info3_param *param)
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 1890f534c88b..7ead1a9ac6fb 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -143,9 +143,9 @@ extern enum securityEnum select_sectype(struct TCP_Server_Info *server,
 				enum securityEnum requested);
 extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,
 			  const struct nls_table *nls_cp);
-extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
-extern u64 cifs_UnixTimeToNT(struct timespec);
-extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
+extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
+extern u64 cifs_UnixTimeToNT(struct timespec64);
+extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
 				      int offset);
 extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 extern int cifs_get_writer(struct cifsInodeInfo *cinode);
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 93408eab92e7..dc2f4cf08fe9 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -508,13 +508,13 @@ decode_lanman_negprot_rsp(struct TCP_Server_Info *server, NEGOTIATE_RSP *pSMBr)
 		 * this requirement.
 		 */
 		int val, seconds, remain, result;
-		struct timespec ts;
-		unsigned long utc = ktime_get_real_seconds();
+		struct timespec64 ts;
+		time64_t utc = ktime_get_real_seconds();
 		ts = cnvrtDosUnixTm(rsp->SrvTime.Date,
 				    rsp->SrvTime.Time, 0);
-		cifs_dbg(FYI, "SrvTime %d sec since 1970 (utc: %d) diff: %d\n",
-			 (int)ts.tv_sec, (int)utc,
-			 (int)(utc - ts.tv_sec));
+		cifs_dbg(FYI, "SrvTime %lld sec since 1970 (utc: %lld) diff: %lld\n",
+			 ts.tv_sec, utc,
+			 utc - ts.tv_sec);
 		val = (int)(utc - ts.tv_sec);
 		seconds = abs(val);
 		result = (seconds / MIN_TZ_ADJ) * MIN_TZ_ADJ;
@@ -4082,7 +4082,7 @@ QInfRetry:
 	if (rc) {
 		cifs_dbg(FYI, "Send error in QueryInfo = %d\n", rc);
 	} else if (data) {
-		struct timespec ts;
+		struct timespec64 ts;
 		__u32 time = le32_to_cpu(pSMBr->last_write_time);
 
 		/* decode response */
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index a2cfb33e85c1..f6abf18ca492 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -95,7 +95,6 @@ static void
 cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
 {
 	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
-	struct timespec ts;
 
 	cifs_dbg(FYI, "%s: revalidating inode %llu\n",
 		 __func__, cifs_i->uniqueid);
@@ -114,8 +113,7 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
 	}
 
 	 /* revalidate if mtime or size have changed */
-	ts = timespec64_to_timespec(inode->i_mtime);
-	if (timespec_equal(&ts, &fattr->cf_mtime) &&
+	if (timespec64_equal(&inode->i_mtime, &fattr->cf_mtime) &&
 	    cifs_i->server_eof == fattr->cf_eof) {
 		cifs_dbg(FYI, "%s: inode %llu is unchanged\n",
 			 __func__, cifs_i->uniqueid);
@@ -164,9 +162,9 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 	cifs_revalidate_cache(inode, fattr);
 
 	spin_lock(&inode->i_lock);
-	inode->i_atime = timespec_to_timespec64(fattr->cf_atime);
-	inode->i_mtime = timespec_to_timespec64(fattr->cf_mtime);
-	inode->i_ctime = timespec_to_timespec64(fattr->cf_ctime);
+	inode->i_atime = fattr->cf_atime;
+	inode->i_mtime = fattr->cf_mtime;
+	inode->i_ctime = fattr->cf_ctime;
 	inode->i_rdev = fattr->cf_rdev;
 	cifs_nlink_fattr_to_inode(inode, fattr);
 	inode->i_uid = fattr->cf_uid;
@@ -327,8 +325,8 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
 	fattr->cf_mode = S_IFDIR | S_IXUGO | S_IRWXU;
 	fattr->cf_uid = cifs_sb->mnt_uid;
 	fattr->cf_gid = cifs_sb->mnt_gid;
-	ktime_get_real_ts(&fattr->cf_mtime);
-	fattr->cf_mtime = timespec_trunc(fattr->cf_mtime, sb->s_time_gran);
+	ktime_get_real_ts64(&fattr->cf_mtime);
+	fattr->cf_mtime = timespec64_trunc(fattr->cf_mtime, sb->s_time_gran);
 	fattr->cf_atime = fattr->cf_ctime = fattr->cf_mtime;
 	fattr->cf_nlink = 2;
 	fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL;
@@ -604,8 +602,8 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
 	if (info->LastAccessTime)
 		fattr->cf_atime = cifs_NTtimeToUnix(info->LastAccessTime);
 	else {
-		ktime_get_real_ts(&fattr->cf_atime);
-		fattr->cf_atime = timespec_trunc(fattr->cf_atime, sb->s_time_gran);
+		ktime_get_real_ts64(&fattr->cf_atime);
+		fattr->cf_atime = timespec64_trunc(fattr->cf_atime, sb->s_time_gran);
 	}
 
 	fattr->cf_ctime = cifs_NTtimeToUnix(info->ChangeTime);
@@ -1125,14 +1123,14 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
 	if (attrs->ia_valid & ATTR_ATIME) {
 		set_time = true;
 		info_buf.LastAccessTime =
-			cpu_to_le64(cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_atime)));
+			cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_atime));
 	} else
 		info_buf.LastAccessTime = 0;
 
 	if (attrs->ia_valid & ATTR_MTIME) {
 		set_time = true;
 		info_buf.LastWriteTime =
-		    cpu_to_le64(cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_mtime)));
+		    cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_mtime));
 	} else
 		info_buf.LastWriteTime = 0;
 
@@ -1145,7 +1143,7 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
 	if (set_time && (attrs->ia_valid & ATTR_CTIME)) {
 		cifs_dbg(FYI, "CIFS - CTIME changed\n");
 		info_buf.ChangeTime =
-		    cpu_to_le64(cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_ctime)));
+		    cpu_to_le64(cifs_UnixTimeToNT(attrs->ia_ctime));
 	} else
 		info_buf.ChangeTime = 0;
 
@@ -2071,8 +2069,8 @@ int cifs_getattr(const struct path *path, struct kstat *stat,
 	/* old CIFS Unix Extensions doesn't return create time */
 	if (CIFS_I(inode)->createtime) {
 		stat->result_mask |= STATX_BTIME;
-		stat->btime = timespec_to_timespec64(
-		      cifs_NTtimeToUnix(cpu_to_le64(CIFS_I(inode)->createtime)));
+		stat->btime =
+		      cifs_NTtimeToUnix(cpu_to_le64(CIFS_I(inode)->createtime));
 	}
 
 	stat->attributes_mask |= (STATX_ATTR_COMPRESSED | STATX_ATTR_ENCRYPTED);
@@ -2278,17 +2276,17 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
 		args->gid = INVALID_GID; /* no change */
 
 	if (attrs->ia_valid & ATTR_ATIME)
-		args->atime = cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_atime));
+		args->atime = cifs_UnixTimeToNT(attrs->ia_atime);
 	else
 		args->atime = NO_CHANGE_64;
 
 	if (attrs->ia_valid & ATTR_MTIME)
-		args->mtime = cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_mtime));
+		args->mtime = cifs_UnixTimeToNT(attrs->ia_mtime);
 	else
 		args->mtime = NO_CHANGE_64;
 
 	if (attrs->ia_valid & ATTR_CTIME)
-		args->ctime = cifs_UnixTimeToNT(timespec64_to_timespec(attrs->ia_ctime));
+		args->ctime = cifs_UnixTimeToNT(attrs->ia_ctime);
 	else
 		args->ctime = NO_CHANGE_64;
 
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index d7ad0dfe4e68..fdd908e4a26b 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -918,10 +918,10 @@ smbCalcSize(void *buf, struct TCP_Server_Info *server)
  * Convert the NT UTC (based 1601-01-01, in hundred nanosecond units)
  * into Unix UTC (based 1970-01-01, in seconds).
  */
-struct timespec
+struct timespec64
 cifs_NTtimeToUnix(__le64 ntutc)
 {
-	struct timespec ts;
+	struct timespec64 ts;
 	/* BB what about the timezone? BB */
 
 	/* Subtract the NTFS time offset, then convert to 1s intervals. */
@@ -935,12 +935,12 @@ cifs_NTtimeToUnix(__le64 ntutc)
 	 */
 	if (t < 0) {
 		abs_t = -t;
-		ts.tv_nsec = (long)(do_div(abs_t, 10000000) * 100);
+		ts.tv_nsec = (time64_t)(do_div(abs_t, 10000000) * 100);
 		ts.tv_nsec = -ts.tv_nsec;
 		ts.tv_sec = -abs_t;
 	} else {
 		abs_t = t;
-		ts.tv_nsec = (long)do_div(abs_t, 10000000) * 100;
+		ts.tv_nsec = (time64_t)do_div(abs_t, 10000000) * 100;
 		ts.tv_sec = abs_t;
 	}
 
@@ -949,7 +949,7 @@ cifs_NTtimeToUnix(__le64 ntutc)
 
 /* Convert the Unix UTC into NT UTC. */
 u64
-cifs_UnixTimeToNT(struct timespec t)
+cifs_UnixTimeToNT(struct timespec64 t)
 {
 	/* Convert to 100ns intervals and then add the NTFS time offset. */
 	return (u64) t.tv_sec * 10000000 + t.tv_nsec/100 + NTFS_TIME_OFFSET;
@@ -959,10 +959,11 @@ static const int total_days_of_prev_months[] = {
 	0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
 };
 
-struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
+struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
 {
-	struct timespec ts;
-	int sec, min, days, month, year;
+	struct timespec64 ts;
+	time64_t sec;
+	int min, days, month, year;
 	u16 date = le16_to_cpu(le_date);
 	u16 time = le16_to_cpu(le_time);
 	SMB_TIME *st = (SMB_TIME *)&time;
@@ -973,7 +974,7 @@ struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, int offset)
 	sec = 2 * st->TwoSeconds;
 	min = st->Minutes;
 	if ((sec > 59) || (min > 59))
-		cifs_dbg(VFS, "illegal time min %d sec %d\n", min, sec);
+		cifs_dbg(VFS, "illegal time min %d sec %lld\n", min, sec);
 	sec += (min * 60);
 	sec += 60 * 60 * st->Hours;
 	if (st->Hours > 24)