unix: add BLK* Linux ioctls

These are useful for re-reading partition tables and getting device
sizes.

Fixes golang/go#19370

Change-Id: Ia8dbe3416a48dbdbceafa0fff0131d71057d97ca
Reviewed-on: https://go-review.googlesource.com/37640
Reviewed-by: Ian Lance Taylor <iant@golang.org>

unix/mkerrors.sh

@@ -353,7 +353,8 @@ ccflags="$@"
 		$2 ~ /^GRND_/ ||
 		$2 ~ /^SPLICE_/ ||
 		$2 !~ "WMESGLEN" &&
-		$2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)}
+		$2 ~ /^W[A-Z0-9]+$/ ||
+		$2 ~ /^BLK/ {printf("\t%s = C.%s\n", $2, $2)}
 		$2 ~ /^__WCOREFLAG$/ {next}
 		$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
 

unix/zerrors_linux_386.go

@@ -152,6 +152,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80041270
+	BLKBSZSET                        = 0x40041271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80041272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_amd64.go

@@ -152,6 +152,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_arm.go

@@ -148,6 +148,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_arm64.go

@@ -156,6 +156,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_mips.go

@@ -151,6 +151,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_mips64.go

@@ -159,6 +159,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20
 	BPF_ADD                          = 0x0

unix/zerrors_linux_mips64le.go

@@ -159,6 +159,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20
 	BPF_ADD                          = 0x0

unix/zerrors_linux_mipsle.go

@@ -160,6 +160,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_ppc64.go

@@ -157,6 +157,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x16
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1f
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_ppc64le.go

@@ -156,6 +156,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x16
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1f
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_s390x.go

@@ -159,6 +159,21 @@ const (
 	B75                              = 0x2
 	B921600                          = 0x1007
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20

unix/zerrors_linux_sparc64.go

@@ -163,6 +163,21 @@ const (
 	B76800                           = 0x1005
 	B921600                          = 0x1009
 	B9600                            = 0xd
+	BLKBSZGET                        = 0x80081270
+	BLKBSZSET                        = 0x40081271
+	BLKFLSBUF                        = 0x1261
+	BLKFRAGET                        = 0x1265
+	BLKFRASET                        = 0x1264
+	BLKGETSIZE                       = 0x1260
+	BLKGETSIZE64                     = 0x80081272
+	BLKRAGET                         = 0x1263
+	BLKRASET                         = 0x1262
+	BLKROGET                         = 0x125e
+	BLKROSET                         = 0x125d
+	BLKRRPART                        = 0x125f
+	BLKSECTGET                       = 0x1267
+	BLKSECTSET                       = 0x1266
+	BLKSSZGET                        = 0x1268
 	BOTHER                           = 0x1000
 	BPF_A                            = 0x10
 	BPF_ABS                          = 0x20