This patch allow the unprivileged user to mount mqueuefs in
user ns.
If two userns share the same ipcns,the files in mqueue fs
should be seen in both these two userns.
If the userns has its own ipcns,it has its own mqueue fs too.
ipcns has already done this job well.
Signed-off-by: Gao feng <gaof...@cn.fujitsu.com>
---
ipc/mqueue.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 71a3ca1..023c986 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -1383,6 +1383,7 @@ static struct file_system_type mqueue_fs_type = {
.name = "mqueue",
.mount = mqueue_mount,
.kill_sb = kill_litter_super,
+ .fs_flags = FS_USERNS_MOUNT,
};
int mq_init_ns(struct ipc_namespace *ns)
--
1.7.11.7
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