diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index a85201b6..bb902257 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -1279,6 +1279,7 @@ func Setgid(uid int) (err error) {
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sys	Setxattr(path string, attr string, data []byte, flags int) (err error)
 //sys	Sync()
+//sys	Syncfs(fd int) (err error)
 //sysnb	Sysinfo(info *Sysinfo_t) (err error)
 //sys	Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
 //sysnb	Tgkill(tgid int, tid int, sig syscall.Signal) (err error)
diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go
index 8b8325a8..38c1bbdf 100644
--- a/unix/zsyscall_linux_386.go
+++ b/unix/zsyscall_linux_386.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go
index 417cb98c..dc8fe0a8 100644
--- a/unix/zsyscall_linux_amd64.go
+++ b/unix/zsyscall_linux_amd64.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go
index db7156bc..4d280427 100644
--- a/unix/zsyscall_linux_arm.go
+++ b/unix/zsyscall_linux_arm.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go
index fbc7e2c0..20ad4b6c 100644
--- a/unix/zsyscall_linux_arm64.go
+++ b/unix/zsyscall_linux_arm64.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go
index de3f8599..9f194dc4 100644
--- a/unix/zsyscall_linux_mips.go
+++ b/unix/zsyscall_linux_mips.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go
index 6bedc3dc..4fde3ef0 100644
--- a/unix/zsyscall_linux_mips64.go
+++ b/unix/zsyscall_linux_mips64.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go
index 8029e22f..f6463423 100644
--- a/unix/zsyscall_linux_mips64le.go
+++ b/unix/zsyscall_linux_mips64le.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go
index 7866a151..964591e5 100644
--- a/unix/zsyscall_linux_mipsle.go
+++ b/unix/zsyscall_linux_mipsle.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go
index 06f18ed1..204ab1ae 100644
--- a/unix/zsyscall_linux_ppc64.go
+++ b/unix/zsyscall_linux_ppc64.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go
index 80802bc3..a8a2b0b0 100644
--- a/unix/zsyscall_linux_ppc64le.go
+++ b/unix/zsyscall_linux_ppc64le.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {
diff --git a/unix/zsyscall_linux_s390x.go b/unix/zsyscall_linux_s390x.go
index 887dfcc3..b6ff9e39 100644
--- a/unix/zsyscall_linux_s390x.go
+++ b/unix/zsyscall_linux_s390x.go
@@ -1234,6 +1234,16 @@ func Sync() {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Syncfs(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_SYNCFS, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sysinfo(info *Sysinfo_t) (err error) {
 	_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
 	if e1 != 0 {