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Diffstat (limited to 'include/linux/proc_fs.h')
-rw-r--r--include/linux/proc_fs.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 45c05fd9c99d..1b98a41fdd8a 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -42,6 +42,26 @@ struct proc_ops {
unsigned long (*proc_get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
} __randomize_layout;
+/* definitions for hide_pid field */
+enum {
+ HIDEPID_OFF = 0,
+ HIDEPID_NO_ACCESS = 1,
+ HIDEPID_INVISIBLE = 2,
+};
+
+struct proc_fs_info {
+ struct pid_namespace *pid_ns;
+ struct dentry *proc_self; /* For /proc/self */
+ struct dentry *proc_thread_self; /* For /proc/thread-self */
+ kgid_t pid_gid;
+ int hide_pid;
+};
+
+static inline struct proc_fs_info *proc_sb_info(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
#ifdef CONFIG_PROC_FS
typedef int (*proc_write_t)(struct file *, char *, size_t);
@@ -176,7 +196,7 @@ int open_related_ns(struct ns_common *ns,
/* get the associated pid namespace for a file in procfs */
static inline struct pid_namespace *proc_pid_ns(const struct inode *inode)
{
- return inode->i_sb->s_fs_info;
+ return proc_sb_info(inode->i_sb)->pid_ns;
}
#endif /* _LINUX_PROC_FS_H */