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Subject[REVIEW][PATCH 06/11] msg: Move struct msg_queue into ipc/msg.c
All of the users are now in ipc/msg.c so make the definition local to
that file to make code maintenance easier. AKA to prevent rebuilding
the entire kernel when struct msg_queue changes.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
include/linux/msg.h | 18 ------------------
ipc/msg.c | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/include/linux/msg.h b/include/linux/msg.h
index 0a7eefeee0d1..9a972a296b95 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h
@@ -3,7 +3,6 @@
#define _LINUX_MSG_H

#include <linux/list.h>
-#include <linux/time64.h>
#include <uapi/linux/msg.h>

/* one msg_msg structure for each message */
@@ -16,21 +15,4 @@ struct msg_msg {
/* the actual message follows immediately */
};

-/* one msq_queue structure for each present queue on the system */
-struct msg_queue {
- struct kern_ipc_perm q_perm;
- time64_t q_stime; /* last msgsnd time */
- time64_t q_rtime; /* last msgrcv time */
- time64_t q_ctime; /* last change time */
- unsigned long q_cbytes; /* current number of bytes on queue */
- unsigned long q_qnum; /* number of messages in queue */
- unsigned long q_qbytes; /* max number of bytes on queue */
- pid_t q_lspid; /* pid of last msgsnd */
- pid_t q_lrpid; /* last receive pid */
-
- struct list_head q_messages;
- struct list_head q_receivers;
- struct list_head q_senders;
-} __randomize_layout;
-
#endif /* _LINUX_MSG_H */
diff --git a/ipc/msg.c b/ipc/msg.c
index cdfab0825fce..af5a963306c4 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -43,6 +43,23 @@
#include <linux/uaccess.h>
#include "util.h"

+/* one msq_queue structure for each present queue on the system */
+struct msg_queue {
+ struct kern_ipc_perm q_perm;
+ time64_t q_stime; /* last msgsnd time */
+ time64_t q_rtime; /* last msgrcv time */
+ time64_t q_ctime; /* last change time */
+ unsigned long q_cbytes; /* current number of bytes on queue */
+ unsigned long q_qnum; /* number of messages in queue */
+ unsigned long q_qbytes; /* max number of bytes on queue */
+ pid_t q_lspid; /* pid of last msgsnd */
+ pid_t q_lrpid; /* last receive pid */
+
+ struct list_head q_messages;
+ struct list_head q_receivers;
+ struct list_head q_senders;
+} __randomize_layout;
+
/* one msg_receiver structure for each sleeping receiver */
struct msg_receiver {
struct list_head r_list;
--
2.14.1
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