x/sys/unix: add fallocate constants

Add FALLOC_* constants from /usr/include/linux/falloc.h to use with
Fallocate (golang.org/x/sys/unix package).

Fix golang/go#10599

Change-Id: Ie001e554250bb12472c612adcb4b79c6f72cac34
Reviewed-on: https://go-review.googlesource.com/36336
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

unix/mkerrors.sh

@@ -119,6 +119,7 @@ includes_Linux='
 #include <linux/if_tun.h>
 #include <linux/if_packet.h>
 #include <linux/if_addr.h>
+#include <linux/falloc.h>
 #include <linux/filter.h>
 #include <linux/netlink.h>
 #include <linux/reboot.h>
@@ -312,6 +313,7 @@ ccflags="$@"
 		$2 ~ /^IN_/ ||
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
 		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
+		$2 ~ /^FALLOC_/ ||
 		$2 == "ICMPV6_FILTER" ||
 		$2 == "SOMAXCONN" ||
 		$2 == "NAME_MAX" ||

unix/zerrors_linux_386.go

@@ -385,6 +385,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_amd64.go

@@ -385,6 +385,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_arm.go

@@ -370,6 +370,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_arm64.go

@@ -399,6 +399,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_mips.go

@@ -375,6 +375,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_mips64.go

@@ -374,6 +374,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FLUSHO                           = 0x2000

unix/zerrors_linux_mips64le.go

@@ -374,6 +374,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FLUSHO                           = 0x2000

unix/zerrors_linux_mipsle.go

@@ -411,6 +411,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_ppc64.go

@@ -401,6 +401,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_ppc64le.go

@@ -397,6 +397,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_s390x.go

@@ -407,6 +407,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0

unix/zerrors_linux_sparc64.go

@@ -415,6 +415,12 @@ const (
 	EXTA                             = 0xe
 	EXTB                             = 0xf
 	EXTPROC                          = 0x10000
+	FALLOC_FL_COLLAPSE_RANGE         = 0x8
+	FALLOC_FL_INSERT_RANGE           = 0x20
+	FALLOC_FL_KEEP_SIZE              = 0x1
+	FALLOC_FL_NO_HIDE_STALE          = 0x4
+	FALLOC_FL_PUNCH_HOLE             = 0x2
+	FALLOC_FL_ZERO_RANGE             = 0x10
 	FD_CLOEXEC                       = 0x1
 	FD_SETSIZE                       = 0x400
 	FF0                              = 0x0