Auto merge of #2548 - Mek101:master, r=Amanieu

Add linux ioctl constansts: BLKSSZGET and BLKPBSZGET

Fixes #2500

Author: bors

libc-test/semver/linux.txt

@@ -189,6 +189,8 @@ B460800
 B500000
 B576000
 B921600
+BLKPBSZGET
+BLKSSZGET
 BOTHER
 BS0
 BS1

src/unix/linux_like/linux/arch/generic/mod.rs

@@ -135,3 +135,6 @@ pub const TIOCM_DSR: ::c_int = 0x100;
 
 pub const BOTHER: ::speed_t = 0o010000;
 pub const IBSHIFT: ::tcflag_t = 16;
+
+pub const BLKSSZGET: ::c_int = 0x1268;
+pub const BLKPBSZGET: ::c_int = 0x127B;

src/unix/linux_like/linux/arch/mips/mod.rs

@@ -131,3 +131,6 @@ pub const TIOCM_DSR: ::c_int = 0x400;
 
 pub const BOTHER: ::speed_t = 0o010000;
 pub const IBSHIFT: ::tcflag_t = 16;
+
+pub const BLKSSZGET: ::c_int = 0x20001268;
+pub const BLKPBSZGET: ::c_int = 0x2000127B;

src/unix/linux_like/linux/arch/powerpc/mod.rs

@@ -109,3 +109,6 @@ pub const TIOCM_DSR: ::c_int = 0x100;
 
 pub const BOTHER: ::speed_t = 0o0037;
 pub const IBSHIFT: ::tcflag_t = 16;
+
+pub const BLKSSZGET: ::c_int = 0x20001268;
+pub const BLKPBSZGET: ::c_int = 0x2000127B;

src/unix/linux_like/linux/arch/sparc/mod.rs

@@ -123,3 +123,6 @@ pub const TIOCM_DSR: ::c_int = 0x100;
 
 pub const BOTHER: ::speed_t = 0x1000;
 pub const IBSHIFT: ::tcflag_t = 16;
+
+pub const BLKSSZGET: ::c_int = 0x20001268;
+pub const BLKPBSZGET: ::c_int = 0x2000127B;