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authorEric W. Biederman <ebiederm@xmission.com>2018-03-22 22:37:34 -0400
committerEric W. Biederman <ebiederm@xmission.com>2018-03-24 12:25:35 -0400
commit34b56df922b10ac2876f268c522951785bf333fd (patch)
treebe3e5fe875e7f1e6a6889c4b32bf4958e064793f
parenta2e102cd3cdd8b7a14e08716510707b15802073f (diff)
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>
-rw-r--r--include/linux/msg.h18
-rw-r--r--ipc/msg.c17
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 @@
3#define _LINUX_MSG_H 3#define _LINUX_MSG_H
4 4
5#include <linux/list.h> 5#include <linux/list.h>
6#include <linux/time64.h>
7#include <uapi/linux/msg.h> 6#include <uapi/linux/msg.h>
8 7
9/* one msg_msg structure for each message */ 8/* one msg_msg structure for each message */
@@ -16,21 +15,4 @@ struct msg_msg {
16 /* the actual message follows immediately */ 15 /* the actual message follows immediately */
17}; 16};
18 17
19/* one msq_queue structure for each present queue on the system */
20struct msg_queue {
21 struct kern_ipc_perm q_perm;
22 time64_t q_stime; /* last msgsnd time */
23 time64_t q_rtime; /* last msgrcv time */
24 time64_t q_ctime; /* last change time */
25 unsigned long q_cbytes; /* current number of bytes on queue */
26 unsigned long q_qnum; /* number of messages in queue */
27 unsigned long q_qbytes; /* max number of bytes on queue */
28 pid_t q_lspid; /* pid of last msgsnd */
29 pid_t q_lrpid; /* last receive pid */
30
31 struct list_head q_messages;
32 struct list_head q_receivers;
33 struct list_head q_senders;
34} __randomize_layout;
35
36#endif /* _LINUX_MSG_H */ 18#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 @@
43#include <linux/uaccess.h> 43#include <linux/uaccess.h>
44#include "util.h" 44#include "util.h"
45 45
46/* one msq_queue structure for each present queue on the system */
47struct msg_queue {
48 struct kern_ipc_perm q_perm;
49 time64_t q_stime; /* last msgsnd time */
50 time64_t q_rtime; /* last msgrcv time */
51 time64_t q_ctime; /* last change time */
52 unsigned long q_cbytes; /* current number of bytes on queue */
53 unsigned long q_qnum; /* number of messages in queue */
54 unsigned long q_qbytes; /* max number of bytes on queue */
55 pid_t q_lspid; /* pid of last msgsnd */
56 pid_t q_lrpid; /* last receive pid */
57
58 struct list_head q_messages;
59 struct list_head q_receivers;
60 struct list_head q_senders;
61} __randomize_layout;
62
46/* one msg_receiver structure for each sleeping receiver */ 63/* one msg_receiver structure for each sleeping receiver */
47struct msg_receiver { 64struct msg_receiver {
48 struct list_head r_list; 65 struct list_head r_list;