[PATCH 1/2] BLOCK: Revert patch to hack around undeclared sigset_t in linux/compat.h

[David Howells <dhowells@redhat.com>]

From: David Howells <dhowells@redhat.com>

Revert Andrew Morton's patch to temporarily hack around the lack of a
declaration of sigset_t in linux/compat.h to make the block-disablement patches
build on IA64.  This got accidentally pushed to Linus and should be fixed in a
different manner.

Signed-Off-By: David Howells <dhowells@redhat.com>
---

 arch/mips/kernel/signal_n32.c |    4 ++--
 fs/compat.c                   |    2 --
 include/linux/compat.h        |    1 +
 kernel/compat.c               |    2 --
 4 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index 50c17ea..477c533 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -42,8 +42,6 @@ #include <asm/war.h>
 
 #include "signal-common.h"
 
-extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
-
 /*
  * Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
  */
@@ -83,6 +81,8 @@ #if ICACHE_REFILLS_WORKAROUND_WAR
 #endif
 };
 
+extern void sigset_from_compat (sigset_t *set, compat_sigset_t *compat);
+
 save_static_function(sysn32_rt_sigsuspend);
 __attribute_used__ noinline static int
 _sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
diff --git a/fs/compat.c b/fs/compat.c
index 13fb08d..d98c96f 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -56,8 +56,6 @@ #include "internal.h"
 
 int compat_log = 1;
 
-extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
-
 int compat_printk(const char *fmt, ...)
 {
 	va_list ap;
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 9760753..967e748 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -227,6 +227,7 @@ static inline int compat_timespec_compar
 asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
 
 extern int compat_printk(const char *fmt, ...);
+extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
 
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */
diff --git a/kernel/compat.c b/kernel/compat.c
index b4fbd83..75573e5 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -26,8 +26,6 @@ #include <linux/posix-timers.h>
 
 #include <asm/uaccess.h>
 
-extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
-
 int get_compat_timespec(struct timespec *ts, const struct compat_timespec __user *cts)
 {
 	return (!access_ok(VERIFY_READ, cts, sizeof(*cts)) ||
-
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