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[COMMITTED PATCH] Get rid of unused __swblk_t type.

The type __swblk_t is not used anywhere in libc.  There isn't even a
swblk_t alias, so there is no appearance of this type in any sense in
the public API.  So I got rid of the useless type.


Thanks,
Roland


2012-10-01  Roland McGrath  <roland@hack.frob.com>

	* bits/types.h (__swblk_t): Type removed.
	* bits/typesizes.h (__SWBLK_T_TYPE): Macro removed.
	* sysdeps/mach/hurd/bits/typesizes.h (__SWBLK_T_TYPE): Likewise.
	* sysdeps/unix/bsd/bsd4.4/freebsd/bits/typesizes.h
	(__SWBLK_T_TYPE): Likewise.
	* sysdeps/unix/sysv/linux/x86/bits/typesizes.h
	(__SWBLK_T_TYPE): Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
	(__SWBLK_T_TYPE): Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/typesizes.h
	(__SWBLK_T_TYPE): Likewise.

ports/ChangeLog.alpha
2012-10-01  Roland McGrath  <roland@hack.frob.com>

	* sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
	(__SWBLK_T_TYPE): Macro removed.

ports/ChangeLog.linux-generic
2012-10-01  Roland McGrath  <roland@hack.frob.com>

	* sysdeps/unix/sysv/linux/generic/bits/typesizes.h
	(__SWBLK_T_TYPE): Macro removed.


diff --git a/bits/types.h b/bits/types.h
index 041ace6..51ef89b 100644
--- a/bits/types.h
+++ b/bits/types.h
@@ -150,7 +150,6 @@ __STD_TYPE __USECONDS_T_TYPE __useconds_t; /* Count of microseconds.  */
 __STD_TYPE __SUSECONDS_T_TYPE __suseconds_t; /* Signed count of microseconds.  */
 
 __STD_TYPE __DADDR_T_TYPE __daddr_t;	/* The type of a disk address.  */
-__STD_TYPE __SWBLK_T_TYPE __swblk_t;	/* Type of a swap block maybe?  */
 __STD_TYPE __KEY_T_TYPE __key_t;	/* Type of an IPC key.  */
 
 /* Clock ID used in clock and timer functions.  */
diff --git a/bits/typesizes.h b/bits/typesizes.h
index c3debd0..ac18c81 100644
--- a/bits/typesizes.h
+++ b/bits/typesizes.h
@@ -51,7 +51,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h b/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
index 31258e4..5ab9ac4 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
+++ b/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
@@ -50,7 +50,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__S64_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index d7d2a5c..d5799d1 100644
--- a/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -52,7 +52,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/sysdeps/mach/hurd/bits/typesizes.h b/sysdeps/mach/hurd/bits/typesizes.h
index efc1314..af13266 100644
--- a/sysdeps/mach/hurd/bits/typesizes.h
+++ b/sysdeps/mach/hurd/bits/typesizes.h
@@ -51,7 +51,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		__S32_TYPE
diff --git a/sysdeps/unix/bsd/bsd4.4/freebsd/bits/typesizes.h b/sysdeps/unix/bsd/bsd4.4/freebsd/bits/typesizes.h
index 67d82e6..0714ed0 100644
--- a/sysdeps/unix/bsd/bsd4.4/freebsd/bits/typesizes.h
+++ b/sysdeps/unix/bsd/bsd4.4/freebsd/bits/typesizes.h
@@ -51,7 +51,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__S32_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		__S32_TYPE
diff --git a/sysdeps/unix/sysv/linux/s390/bits/typesizes.h b/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
index b630488..ee7e22b 100644
--- a/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/s390/bits/typesizes.h
@@ -51,7 +51,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h b/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
index e55d642..8be55a8 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h
@@ -51,7 +51,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__S32_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/sysdeps/unix/sysv/linux/x86/bits/typesizes.h b/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
index 397e867..ebb5bbb 100644
--- a/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/x86/bits/typesizes.h
@@ -65,7 +65,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SYSCALL_SLONG_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SYSCALL_SLONG_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
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