do_pipe cleanup: drop its last user in arch/alpha/

The last user of do_pipe is in arch/alpha/, after replacing it with
do_pipe_flags, the do_pipe can be totally dropped.

Signed-off-by: Cheng Renquan <crquan@gmail.com>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 2 insertions, 9 deletions

diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index e4a54b615894..b45d913a51c3 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -903,8 +903,9 @@ sys_alpha_pipe:
         stq     $26, 0($sp)
         .prologue 0
 
+        mov     $31, $17
         lda     $16, 8($sp)
-        jsr     $26, do_pipe
+        jsr     $26, do_pipe_flags
 
         ldq     $26, 0($sp)
         bne     $0, 1f
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index ae41f097864b..42ee05981e71 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -46,8 +46,6 @@
 #include <asm/hwrpb.h>
 #include <asm/processor.h>
 
-extern int do_pipe(int *);
-
 /*
  * Brk needs to return an error.  Still support Linux's brk(0) query idiom,
  * which OSF programs just shouldn't be doing.  We're still not quite
diff --git a/fs/pipe.c b/fs/pipe.c
index 14f502b89cf5..df3719562fc1 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1034,11 +1034,6 @@ int do_pipe_flags(int *fd, int flags)
         return error;
 }
 
-int do_pipe(int *fd)
-{
-        return do_pipe_flags(fd, 0);
-}
-
 /*
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way Unix traditionally does this, though.
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 92734c0012e6..51de83bd8a87 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1881,7 +1881,6 @@ static inline void allow_write_access(struct file *file)
         if (file)
                 atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
 }
-extern int do_pipe(int *);
 extern int do_pipe_flags(int *, int);
 extern struct file *create_read_pipe(struct file *f, int flags);
 extern struct file *create_write_pipe(int flags);