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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2019-02-20 19:07:12 +0100
committerRich Felker <dalias@aerifal.cx>2019-03-13 11:37:29 -0400
commit4b125dd408d54487dc8843b9553502aa0c4167f8 (patch)
tree548fc74ef23bf3c918d7fd1e4dd9257f01774108
parent81221e13f93171508ec6f66f3c9c3ac439c6acd2 (diff)
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fix POSIX_FADV_DONTNEED/_NOREUSE on s390x
On s390x, POSIX_FADV_DONTNEED and POSIX_FADV_NOREUSE have different
values than on all other architectures that Linux supports.

Handle this difference by wrapping their definitions in
include/fcntl.h in #ifdef, so that arch/s390x/bits/fcntl.h can
override them.
-rw-r--r--arch/s390x/bits/fcntl.h3
-rw-r--r--include/fcntl.h2
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390x/bits/fcntl.h b/arch/s390x/bits/fcntl.h
index 1eca6ba5..a231efb4 100644
--- a/arch/s390x/bits/fcntl.h
+++ b/arch/s390x/bits/fcntl.h
@@ -38,3 +38,6 @@
 #define F_GETOWN_EX 16
 
 #define F_GETOWNER_UIDS 17
+
+#define POSIX_FADV_DONTNEED   6
+#define POSIX_FADV_NOREUSE    7
diff --git a/include/fcntl.h b/include/fcntl.h
index 4d91338b..f6c192f5 100644
--- a/include/fcntl.h
+++ b/include/fcntl.h
@@ -66,8 +66,10 @@ int posix_fallocate(int, off_t, off_t);
 #define POSIX_FADV_RANDOM     1
 #define POSIX_FADV_SEQUENTIAL 2
 #define POSIX_FADV_WILLNEED   3
+#ifndef POSIX_FADV_DONTNEED
 #define POSIX_FADV_DONTNEED   4
 #define POSIX_FADV_NOREUSE    5
+#endif
 
 #undef SEEK_SET
 #undef SEEK_CUR