diff --git a/unix/mkerrors.sh b/unix/mkerrors.sh
index d66fc84..bbc6d19 100755
--- a/unix/mkerrors.sh
+++ b/unix/mkerrors.sh
@@ -353,7 +353,8 @@
 		$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)}
 
diff --git a/unix/zerrors_linux_386.go b/unix/zerrors_linux_386.go
index 297b0b4..94c7e30 100644
--- a/unix/zerrors_linux_386.go
+++ b/unix/zerrors_linux_386.go
@@ -152,6 +152,21 @@
 	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
diff --git a/unix/zerrors_linux_amd64.go b/unix/zerrors_linux_amd64.go
index 908df5b..887210a 100644
--- a/unix/zerrors_linux_amd64.go
+++ b/unix/zerrors_linux_amd64.go
@@ -152,6 +152,21 @@
 	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
diff --git a/unix/zerrors_linux_arm.go b/unix/zerrors_linux_arm.go
index 4ce3dee..f691747 100644
--- a/unix/zerrors_linux_arm.go
+++ b/unix/zerrors_linux_arm.go
@@ -148,6 +148,21 @@
 	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
diff --git a/unix/zerrors_linux_arm64.go b/unix/zerrors_linux_arm64.go
index 10e97ed..6f6d1d9 100644
--- a/unix/zerrors_linux_arm64.go
+++ b/unix/zerrors_linux_arm64.go
@@ -156,6 +156,21 @@
 	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
diff --git a/unix/zerrors_linux_mips.go b/unix/zerrors_linux_mips.go
index a3c8261..37d16f7 100644
--- a/unix/zerrors_linux_mips.go
+++ b/unix/zerrors_linux_mips.go
@@ -151,6 +151,21 @@
 	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
diff --git a/unix/zerrors_linux_mips64.go b/unix/zerrors_linux_mips64.go
index 1fdb641..3aa557b 100644
--- a/unix/zerrors_linux_mips64.go
+++ b/unix/zerrors_linux_mips64.go
@@ -159,6 +159,21 @@
 	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
diff --git a/unix/zerrors_linux_mips64le.go b/unix/zerrors_linux_mips64le.go
index 3341d4d..3b50d85 100644
--- a/unix/zerrors_linux_mips64le.go
+++ b/unix/zerrors_linux_mips64le.go
@@ -159,6 +159,21 @@
 	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
diff --git a/unix/zerrors_linux_mipsle.go b/unix/zerrors_linux_mipsle.go
index f363c04..8a122ad 100644
--- a/unix/zerrors_linux_mipsle.go
+++ b/unix/zerrors_linux_mipsle.go
@@ -160,6 +160,21 @@
 	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
diff --git a/unix/zerrors_linux_ppc64.go b/unix/zerrors_linux_ppc64.go
index 1101fd6..e2dd7aa 100644
--- a/unix/zerrors_linux_ppc64.go
+++ b/unix/zerrors_linux_ppc64.go
@@ -157,6 +157,21 @@
 	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
diff --git a/unix/zerrors_linux_ppc64le.go b/unix/zerrors_linux_ppc64le.go
index c3e7015..090cb25 100644
--- a/unix/zerrors_linux_ppc64le.go
+++ b/unix/zerrors_linux_ppc64le.go
@@ -156,6 +156,21 @@
 	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
diff --git a/unix/zerrors_linux_s390x.go b/unix/zerrors_linux_s390x.go
index 75d2d84..509c100 100644
--- a/unix/zerrors_linux_s390x.go
+++ b/unix/zerrors_linux_s390x.go
@@ -159,6 +159,21 @@
 	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
diff --git a/unix/zerrors_linux_sparc64.go b/unix/zerrors_linux_sparc64.go
index 679008f..4fe2476 100644
--- a/unix/zerrors_linux_sparc64.go
+++ b/unix/zerrors_linux_sparc64.go
@@ -163,6 +163,21 @@
 	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