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-rw-r--r--NEWS2
-rw-r--r--io/Makefile1
-rw-r--r--io/tst-fcntl-lock-lfs.c2
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h2
4 files changed, 6 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index c339cb444e..8156572cdf 100644
--- a/NEWS
+++ b/NEWS
@@ -133,6 +133,8 @@ The following bugs are resolved with this release:
   [30579] malloc: trim_threshold in realloc lead to high memory usage
   [30662] nscd: Group and password cache use errno in place of errval
   [30723] posix_memalign repeatedly scans long bin lists
+  [30804] F_GETLK, F_SETLK, and F_SETLKW value change for powerpc64 with
+    -D_FILE_OFFSET_BITS=64
 
 Version 2.37
 
diff --git a/io/Makefile b/io/Makefile
index 6ccc0e8691..8a3c83a3bb 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -192,6 +192,7 @@ tests := \
   tst-fchownat \
   tst-fcntl \
   tst-fcntl-lock \
+  tst-fcntl-lock-lfs \
   tst-fstatat \
   tst-fts \
   tst-fts-lfs \
diff --git a/io/tst-fcntl-lock-lfs.c b/io/tst-fcntl-lock-lfs.c
new file mode 100644
index 0000000000..f2a909fb02
--- /dev/null
+++ b/io/tst-fcntl-lock-lfs.c
@@ -0,0 +1,2 @@
+#define _FILE_OFFSET_BITS 64
+#include <io/tst-fcntl-lock.c>
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
index f7615a447e..d8a291a331 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h
@@ -33,7 +33,7 @@
 # define __O_LARGEFILE	0200000
 #endif
 
-#if __WORDSIZE == 64
+#if __WORDSIZE == 64 && !defined __USE_FILE_OFFSET64
 # define F_GETLK	5
 # define F_SETLK	6
 # define F_SETLKW	7