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-rw-r--r--include/uapi/asm-generic/fcntl.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/include/uapi/asm-generic/fcntl.h b/include/uapi/asm-generic/fcntl.h
index 95e46c8e05f9..a9b13f8b3595 100644
--- a/include/uapi/asm-generic/fcntl.h
+++ b/include/uapi/asm-generic/fcntl.h
@@ -132,6 +132,22 @@
#define F_GETOWNER_UIDS 17
#endif
+/*
+ * fd "private" POSIX locks.
+ *
+ * Usually POSIX locks held by a process are released on *any* close and are
+ * not inherited across a fork().
+ *
+ * These cmd values will set locks that conflict with normal POSIX locks, but
+ * are "owned" by the opened file, not the process. This means that they are
+ * inherited across fork() like BSD (flock) locks, and they are only released
+ * automatically when the last reference to the the open file against which
+ * they were acquired is put.
+ */
+#define F_GETLKP 36
+#define F_SETLKP 37
+#define F_SETLKPW 38
+
#define F_OWNER_TID 0
#define F_OWNER_PID 1
#define F_OWNER_PGRP 2
@@ -186,8 +202,6 @@ struct flock {
};
#endif
-#ifndef CONFIG_64BIT
-
#ifndef HAVE_ARCH_STRUCT_FLOCK64
#ifndef __ARCH_FLOCK64_PAD
#define __ARCH_FLOCK64_PAD
@@ -202,6 +216,5 @@ struct flock64 {
__ARCH_FLOCK64_PAD
};
#endif
-#endif /* !CONFIG_64BIT */
#endif /* _ASM_GENERIC_FCNTL_H */