diff options
Diffstat (limited to 'include/linux/proc_fs.h')
-rw-r--r-- | include/linux/proc_fs.h | 22 |
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 */ |