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-rw-r--r--include/linux/binfmts.h1
-rw-r--r--include/linux/cgroup.h2
-rw-r--r--include/linux/cpuset.h3
-rw-r--r--include/linux/fdtable.h1
-rw-r--r--include/linux/fs.h19
-rw-r--r--include/linux/kcore.h38
-rw-r--r--include/linux/nubus.h4
-rw-r--r--include/linux/of.h10
-rw-r--r--include/linux/pid_namespace.h1
-rw-r--r--include/linux/pipe_fs_i.h11
-rw-r--r--include/linux/proc_fs.h325
-rw-r--r--include/linux/proc_ns.h74
-rw-r--r--include/linux/profile.h4
-rw-r--r--include/linux/seq_file.h1
-rw-r--r--include/linux/signal.h5
-rw-r--r--include/linux/tty.h7
16 files changed, 208 insertions, 298 deletions
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index c3a0914..70cf138 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -118,5 +118,6 @@ extern int prepare_bprm_creds(struct linux_binprm *bprm);
extern void install_exec_creds(struct linux_binprm *bprm);
extern void set_binfmt(struct linux_binfmt *new);
extern void free_bprm(struct linux_binprm *);
+extern ssize_t read_code(struct file *, unsigned long, loff_t, size_t);
#endif /* _LINUX_BINFMTS_H */
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 646ab9d..3bff9ce 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -39,7 +39,7 @@ extern int cgroupstats_build(struct cgroupstats *stats,
extern int cgroup_load_subsys(struct cgroup_subsys *ss);
extern void cgroup_unload_subsys(struct cgroup_subsys *ss);
-extern const struct file_operations proc_cgroup_operations;
+extern int proc_cgroup_show(struct seq_file *, void *);
/*
* Define the enumeration of all cgroup subsystems.
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index ccd1de8..cc1b01c 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -63,10 +63,9 @@ extern int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,
extern int cpuset_memory_pressure_enabled;
extern void __cpuset_memory_pressure_bump(void);
-extern const struct file_operations proc_cpuset_operations;
-struct seq_file;
extern void cpuset_task_status_allowed(struct seq_file *m,
struct task_struct *task);
+extern int proc_cpuset_show(struct seq_file *, void *);
extern int cpuset_mem_spread_node(void);
extern int cpuset_slab_spread_node(void);
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index fb7daca..085197b 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -27,7 +27,6 @@ struct fdtable {
unsigned long *close_on_exec;
unsigned long *open_fds;
struct rcu_head rcu;
- struct fdtable *next;
};
static inline bool close_on_exec(int fd, const struct fdtable *fdt)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 17d8b15..e8cd6b8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2082,7 +2082,6 @@ extern int sync_filesystem(struct super_block *);
extern const struct file_operations def_blk_fops;
extern const struct file_operations def_chr_fops;
extern const struct file_operations bad_sock_fops;
-extern const struct file_operations def_fifo_fops;
#ifdef CONFIG_BLOCK
extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
@@ -2154,10 +2153,6 @@ extern void init_special_inode(struct inode *, umode_t, dev_t);
extern void make_bad_inode(struct inode *);
extern int is_bad_inode(struct inode *);
-extern const struct file_operations read_pipefifo_fops;
-extern const struct file_operations write_pipefifo_fops;
-extern const struct file_operations rdwr_pipefifo_fops;
-
#ifdef CONFIG_BLOCK
/*
* return READ, READA, or WRITE
@@ -2225,6 +2220,20 @@ static inline struct inode *file_inode(struct file *f)
return f->f_inode;
}
+static inline void file_start_write(struct file *file)
+{
+ if (!S_ISREG(file_inode(file)->i_mode))
+ return;
+ __sb_start_write(file_inode(file)->i_sb, SB_FREEZE_WRITE, true);
+}
+
+static inline void file_end_write(struct file *file)
+{
+ if (!S_ISREG(file_inode(file)->i_mode))
+ return;
+ __sb_end_write(file_inode(file)->i_sb, SB_FREEZE_WRITE);
+}
+
/*
* get_write_access() gets write permission for a file.
* put_write_access() releases this write permission.
diff --git a/include/linux/kcore.h b/include/linux/kcore.h
new file mode 100644
index 0000000..d927622
--- /dev/null
+++ b/include/linux/kcore.h
@@ -0,0 +1,38 @@
+/*
+ * /proc/kcore definitions
+ */
+#ifndef _LINUX_KCORE_H
+#define _LINUX_KCORE_H
+
+enum kcore_type {
+ KCORE_TEXT,
+ KCORE_VMALLOC,
+ KCORE_RAM,
+ KCORE_VMEMMAP,
+ KCORE_OTHER,
+};
+
+struct kcore_list {
+ struct list_head list;
+ unsigned long addr;
+ size_t size;
+ int type;
+};
+
+struct vmcore {
+ struct list_head list;
+ unsigned long long paddr;
+ unsigned long long size;
+ loff_t offset;
+};
+
+#ifdef CONFIG_PROC_KCORE
+extern void kclist_add(struct kcore_list *, void *, size_t, int type);
+#else
+static inline
+void kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
+{
+}
+#endif
+
+#endif /* _LINUX_KCORE_H */
diff --git a/include/linux/nubus.h b/include/linux/nubus.h
index a8696bb..b374052 100644
--- a/include/linux/nubus.h
+++ b/include/linux/nubus.h
@@ -80,7 +80,11 @@ extern struct nubus_board* nubus_boards;
/* Generic NuBus interface functions, modelled after the PCI interface */
void nubus_scan_bus(void);
+#ifdef CONFIG_PROC_FS
extern void nubus_proc_init(void);
+#else
+static inline void nubus_proc_init(void) {}
+#endif
int get_nubus_list(char *buf);
int nubus_proc_attach_device(struct nubus_dev *dev);
int nubus_proc_detach_device(struct nubus_dev *dev);
diff --git a/include/linux/of.h b/include/linux/of.h
index a0f1292..2d25ff8 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -540,4 +540,14 @@ static inline int of_property_read_u32(const struct device_node *np,
return of_property_read_u32_array(np, propname, out_value, 1);
}
+#if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)
+extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
+extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
+extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
+ struct property *prop);
+extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
+ struct property *newprop,
+ struct property *oldprop);
+#endif
+
#endif /* _LINUX_OF_H */
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index 8ac3283..731e4ec 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -30,6 +30,7 @@ struct pid_namespace {
struct pid_namespace *parent;
#ifdef CONFIG_PROC_FS
struct vfsmount *proc_mnt;
+ struct dentry *proc_self;
#endif
#ifdef CONFIG_BSD_PROCESS_ACCT
struct bsd_acct_struct *bacct;
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ad1a427..b8809fe 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -27,6 +27,7 @@ struct pipe_buffer {
/**
* struct pipe_inode_info - a linux kernel pipe
+ * @mutex: mutex protecting the whole thing
* @wait: reader/writer wait point in case of empty/full pipe
* @nrbufs: the number of non-empty pipe buffers in this pipe
* @buffers: total number of buffers (should be a power of 2)
@@ -34,26 +35,27 @@ struct pipe_buffer {
* @tmp_page: cached released page
* @readers: number of current readers of this pipe
* @writers: number of current writers of this pipe
+ * @files: number of struct file refering this pipe (protected by ->i_lock)
* @waiting_writers: number of writers blocked waiting for room
* @r_counter: reader counter
* @w_counter: writer counter
* @fasync_readers: reader side fasync
* @fasync_writers: writer side fasync
- * @inode: inode this pipe is attached to
* @bufs: the circular array of pipe buffers
**/
struct pipe_inode_info {
+ struct mutex mutex;
wait_queue_head_t wait;
unsigned int nrbufs, curbuf, buffers;
unsigned int readers;
unsigned int writers;
+ unsigned int files;
unsigned int waiting_writers;
unsigned int r_counter;
unsigned int w_counter;
struct page *tmp_page;
struct fasync_struct *fasync_readers;
struct fasync_struct *fasync_writers;
- struct inode *inode;
struct pipe_buffer *bufs;
};
@@ -144,9 +146,8 @@ int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *);
/* Drop the inode semaphore and wait for a pipe event, atomically */
void pipe_wait(struct pipe_inode_info *pipe);
-struct pipe_inode_info * alloc_pipe_info(struct inode * inode);
-void free_pipe_info(struct inode * inode);
-void __free_pipe_info(struct pipe_inode_info *);
+struct pipe_inode_info *alloc_pipe_info(void);
+void free_pipe_info(struct pipe_inode_info *);
/* Generic pipe buffer ops functions */
void *generic_pipe_buf_map(struct pipe_inode_info *, struct pipe_buffer *, int);
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 94dfb2a..608e60a 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -1,318 +1,79 @@
-#ifndef _LINUX_PROC_FS_H
-#define _LINUX_PROC_FS_H
-
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/spinlock.h>
-#include <linux/magic.h>
-#include <linux/atomic.h>
-
-struct net;
-struct completion;
-struct mm_struct;
-
/*
* The proc filesystem constants/structures
*/
+#ifndef _LINUX_PROC_FS_H
+#define _LINUX_PROC_FS_H
-/*
- * Offset of the first process in the /proc root directory..
- */
-#define FIRST_PROCESS_ENTRY 256
-
-/* Worst case buffer size needed for holding an integer. */
-#define PROC_NUMBUF 13
-
-/*
- * We always define these enumerators
- */
-
-enum {
- PROC_ROOT_INO = 1,
- PROC_IPC_INIT_INO = 0xEFFFFFFFU,
- PROC_UTS_INIT_INO = 0xEFFFFFFEU,
- PROC_USER_INIT_INO = 0xEFFFFFFDU,
- PROC_PID_INIT_INO = 0xEFFFFFFCU,
-};
-
-/*
- * This is not completely implemented yet. The idea is to
- * create an in-memory tree (like the actual /proc filesystem
- * tree) of these proc_dir_entries, so that we can dynamically
- * add new files to /proc.
- *
- * The "next" pointer creates a linked list of one /proc directory,
- * while parent/subdir create the directory structure (every
- * /proc file has a parent, but "subdir" is NULL for all
- * non-directory entries).
- */
-
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-typedef int (write_proc_t)(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
-
-struct proc_dir_entry {
- unsigned int low_ino;
- umode_t mode;
- nlink_t nlink;
- kuid_t uid;
- kgid_t gid;
- loff_t size;
- const struct inode_operations *proc_iops;
- /*
- * NULL ->proc_fops means "PDE is going away RSN" or
- * "PDE is just created". In either case, e.g. ->read_proc won't be
- * called because it's too late or too early, respectively.
- *
- * If you're allocating ->proc_fops dynamically, save a pointer
- * somewhere.
- */
- const struct file_operations *proc_fops;
- struct proc_dir_entry *next, *parent, *subdir;
- void *data;
- read_proc_t *read_proc;
- write_proc_t *write_proc;
- atomic_t count; /* use count */
- int pde_users; /* number of callers into module in progress */
- struct completion *pde_unload_completion;
- struct list_head pde_openers; /* who did ->open, but not ->release */
- spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
- u8 namelen;
- char name[];
-};
-
-enum kcore_type {
- KCORE_TEXT,
- KCORE_VMALLOC,
- KCORE_RAM,
- KCORE_VMEMMAP,
- KCORE_OTHER,
-};
-
-struct kcore_list {
- struct list_head list;
- unsigned long addr;
- size_t size;
- int type;
-};
+#include <linux/types.h>
+#include <linux/fs.h>
-struct vmcore {
- struct list_head list;
- unsigned long long paddr;
- unsigned long long size;
- loff_t offset;
-};
+struct proc_dir_entry;
#ifdef CONFIG_PROC_FS
extern void proc_root_init(void);
-
-void proc_flush_task(struct task_struct *task);
-
-extern struct proc_dir_entry *create_proc_entry(const char *name, umode_t mode,
- struct proc_dir_entry *parent);
-struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
- struct proc_dir_entry *parent,
- const struct file_operations *proc_fops,
- void *data);
-extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
-extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
-
-struct pid_namespace;
-
-extern int pid_ns_prepare_proc(struct pid_namespace *ns);
-extern void pid_ns_release_proc(struct pid_namespace *ns);
-
-/*
- * proc_tty.c
- */
-struct tty_driver;
-#ifdef CONFIG_TTY
-extern void proc_tty_init(void);
-#else
-static inline void proc_tty_init(void)
-{ }
-#endif
-extern void proc_tty_register_driver(struct tty_driver *driver);
-extern void proc_tty_unregister_driver(struct tty_driver *driver);
-
-/*
- * proc_devtree.c
- */
-#ifdef CONFIG_PROC_DEVICETREE
-struct device_node;
-struct property;
-extern void proc_device_tree_init(void);
-extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
-extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
-extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
- struct property *prop);
-extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
- struct property *newprop,
- struct property *oldprop);
-#endif /* CONFIG_PROC_DEVICETREE */
+extern void proc_flush_task(struct task_struct *);
extern struct proc_dir_entry *proc_symlink(const char *,
struct proc_dir_entry *, const char *);
-extern struct proc_dir_entry *proc_mkdir(const char *,struct proc_dir_entry *);
-extern struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
- struct proc_dir_entry *parent);
-
-static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
- struct proc_dir_entry *parent, const struct file_operations *proc_fops)
+extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
+extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
+ struct proc_dir_entry *, void *);
+extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
+ struct proc_dir_entry *);
+
+extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
+ struct proc_dir_entry *,
+ const struct file_operations *,
+ void *);
+
+static inline struct proc_dir_entry *proc_create(
+ const char *name, umode_t mode, struct proc_dir_entry *parent,
+ const struct file_operations *proc_fops)
{
return proc_create_data(name, mode, parent, proc_fops, NULL);
}
-static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
- umode_t mode, struct proc_dir_entry *base,
- read_proc_t *read_proc, void * data)
-{
- struct proc_dir_entry *res=create_proc_entry(name,mode,base);
- if (res) {
- res->read_proc=read_proc;
- res->data=data;
- }
- return res;
-}
-
-extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
- struct proc_dir_entry *parent);
-
-extern struct file *proc_ns_fget(int fd);
-extern bool proc_ns_inode(struct inode *inode);
+extern void proc_set_size(struct proc_dir_entry *, loff_t);
+extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
+extern void *PDE_DATA(const struct inode *);
+extern void *proc_get_parent_data(const struct inode *);
+extern void proc_remove(struct proc_dir_entry *);
+extern void remove_proc_entry(const char *, struct proc_dir_entry *);
+extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
-extern int proc_alloc_inum(unsigned int *pino);
-extern void proc_free_inum(unsigned int inum);
-#else
+#else /* CONFIG_PROC_FS */
static inline void proc_flush_task(struct task_struct *task)
{
}
-static inline struct proc_dir_entry *create_proc_entry(const char *name,
- umode_t mode, struct proc_dir_entry *parent) { return NULL; }
-
-#define proc_create(name, mode, parent, fops) ({ (void)(mode), NULL; })
-
-static inline struct proc_dir_entry *proc_create_data(const char *name,
- umode_t mode, struct proc_dir_entry *parent,
- const struct file_operations *proc_fops, void *data)
-{
- return NULL;
-}
-#define remove_proc_entry(name, parent) do {} while (0)
-#define remove_proc_subtree(name, parent) do {} while (0)
-
static inline struct proc_dir_entry *proc_symlink(const char *name,
- struct proc_dir_entry *parent,const char *dest) {return NULL;}
+ struct proc_dir_entry *parent,const char *dest) { return NULL;}
static inline struct proc_dir_entry *proc_mkdir(const char *name,
struct proc_dir_entry *parent) {return NULL;}
+static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
+ umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
umode_t mode, struct proc_dir_entry *parent) { return NULL; }
+#define proc_create(name, mode, parent, proc_fops) ({NULL;})
+#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
-static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
- umode_t mode, struct proc_dir_entry *base,
- read_proc_t *read_proc, void * data) { return NULL; }
-
-struct tty_driver;
-static inline void proc_tty_register_driver(struct tty_driver *driver) {};
-static inline void proc_tty_unregister_driver(struct tty_driver *driver) {};
+static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
+static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
+static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
+static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
-static inline int pid_ns_prepare_proc(struct pid_namespace *ns)
-{
- return 0;
-}
-
-static inline void pid_ns_release_proc(struct pid_namespace *ns)
-{
-}
-
-static inline struct file *proc_ns_fget(int fd)
-{
- return ERR_PTR(-EINVAL);
-}
-
-static inline bool proc_ns_inode(struct inode *inode)
-{
- return false;
-}
+static inline void proc_remove(struct proc_dir_entry *de) {}
+#define remove_proc_entry(name, parent) do {} while (0)
+static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
-static inline int proc_alloc_inum(unsigned int *inum)
-{
- *inum = 1;
- return 0;
-}
-static inline void proc_free_inum(unsigned int inum)
-{
-}
#endif /* CONFIG_PROC_FS */
-#if !defined(CONFIG_PROC_KCORE)
-static inline void
-kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
+static inline struct proc_dir_entry *proc_net_mkdir(
+ struct net *net, const char *name, struct proc_dir_entry *parent)
{
+ return proc_mkdir_data(name, 0, parent, net);
}
-#else
-extern void kclist_add(struct kcore_list *, void *, size_t, int type);
-#endif
-
-struct nsproxy;
-struct proc_ns_operations {
- const char *name;
- int type;
- void *(*get)(struct task_struct *task);
- void (*put)(void *ns);
- int (*install)(struct nsproxy *nsproxy, void *ns);
- unsigned int (*inum)(void *ns);
-};
-extern const struct proc_ns_operations netns_operations;
-extern const struct proc_ns_operations utsns_operations;
-extern const struct proc_ns_operations ipcns_operations;
-extern const struct proc_ns_operations pidns_operations;
-extern const struct proc_ns_operations userns_operations;
-extern const struct proc_ns_operations mntns_operations;
-
-union proc_op {
- int (*proc_get_link)(struct dentry *, struct path *);
- int (*proc_read)(struct task_struct *task, char *page);
- int (*proc_show)(struct seq_file *m,
- struct pid_namespace *ns, struct pid *pid,
- struct task_struct *task);
-};
-
-struct ctl_table_header;
-struct ctl_table;
-
-struct proc_inode {
- struct pid *pid;
- int fd;
- union proc_op op;
- struct proc_dir_entry *pde;
- struct ctl_table_header *sysctl;
- struct ctl_table *sysctl_entry;
- void *ns;
- const struct proc_ns_operations *ns_ops;
- struct inode vfs_inode;
-};
-
-static inline struct proc_inode *PROC_I(const struct inode *inode)
-{
- return container_of(inode, struct proc_inode, vfs_inode);
-}
-
-static inline struct proc_dir_entry *PDE(const struct inode *inode)
-{
- return PROC_I(inode)->pde;
-}
-
-static inline struct net *PDE_NET(struct proc_dir_entry *pde)
-{
- return pde->parent->data;
-}
-
-#include <linux/signal.h>
-void render_sigset_t(struct seq_file *m, const char *header, sigset_t *set);
#endif /* _LINUX_PROC_FS_H */
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
new file mode 100644
index 0000000..34a1e10
--- /dev/null
+++ b/include/linux/proc_ns.h
@@ -0,0 +1,74 @@
+/*
+ * procfs namespace bits
+ */
+#ifndef _LINUX_PROC_NS_H
+#define _LINUX_PROC_NS_H
+
+struct pid_namespace;
+struct nsproxy;
+
+struct proc_ns_operations {
+ const char *name;
+ int type;
+ void *(*get)(struct task_struct *task);
+ void (*put)(void *ns);
+ int (*install)(struct nsproxy *nsproxy, void *ns);
+ unsigned int (*inum)(void *ns);
+};
+
+struct proc_ns {
+ void *ns;
+ const struct proc_ns_operations *ns_ops;
+};
+
+extern const struct proc_ns_operations netns_operations;
+extern const struct proc_ns_operations utsns_operations;
+extern const struct proc_ns_operations ipcns_operations;
+extern const struct proc_ns_operations pidns_operations;
+extern const struct proc_ns_operations userns_operations;
+extern const struct proc_ns_operations mntns_operations;
+
+/*
+ * We always define these enumerators
+ */
+enum {
+ PROC_ROOT_INO = 1,
+ PROC_IPC_INIT_INO = 0xEFFFFFFFU,
+ PROC_UTS_INIT_INO = 0xEFFFFFFEU,
+ PROC_USER_INIT_INO = 0xEFFFFFFDU,
+ PROC_PID_INIT_INO = 0xEFFFFFFCU,
+};
+
+#ifdef CONFIG_PROC_FS
+
+extern int pid_ns_prepare_proc(struct pid_namespace *ns);
+extern void pid_ns_release_proc(struct pid_namespace *ns);
+extern struct file *proc_ns_fget(int fd);
+extern struct proc_ns *get_proc_ns(struct inode *);
+extern int proc_alloc_inum(unsigned int *pino);
+extern void proc_free_inum(unsigned int inum);
+extern bool proc_ns_inode(struct inode *inode);
+
+#else /* CONFIG_PROC_FS */
+
+static inline int pid_ns_prepare_proc(struct pid_namespace *ns) { return 0; }
+static inline void pid_ns_release_proc(struct pid_namespace *ns) {}
+
+static inline struct file *proc_ns_fget(int fd)
+{
+ return ERR_PTR(-EINVAL);
+}
+
+static inline struct proc_ns *get_proc_ns(struct inode *inode) { return NULL; }
+
+static inline int proc_alloc_inum(unsigned int *inum)
+{
+ *inum = 1;
+ return 0;
+}
+static inline void proc_free_inum(unsigned int inum) {}
+static inline bool proc_ns_inode(struct inode *inode) { return false; }
+
+#endif /* CONFIG_PROC_FS */
+
+#endif /* _LINUX_PROC_NS_H */
diff --git a/include/linux/profile.h b/include/linux/profile.h
index 2112390..aaad386 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -18,10 +18,10 @@ struct pt_regs;
struct notifier_block;
#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
-void create_prof_cpu_mask(struct proc_dir_entry *de);
+void create_prof_cpu_mask(void);
int create_proc_profile(void);
#else
-static inline void create_prof_cpu_mask(struct proc_dir_entry *de)
+static inline void create_prof_cpu_mask(void)
{
}
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index 68a04a3..2da29ac 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -123,6 +123,7 @@ static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
}
int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
+int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t);
int single_release(struct inode *, struct file *);
void *__seq_open_private(struct file *, const struct seq_operations *, int);
int seq_open_private(struct file *, const struct seq_operations *, int);
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 9475c5c..d897484 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -434,4 +434,9 @@ void signals_init(void);
int restore_altstack(const stack_t __user *);
int __save_altstack(stack_t __user *, unsigned long);
+#ifdef CONFIG_PROC_FS
+struct seq_file;
+extern void render_sigset_t(struct seq_file *, const char *, sigset_t *);
+#endif
+
#endif /* _LINUX_SIGNAL_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 367a9df..7e92bd8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -691,5 +691,12 @@ do { \
finish_wait(&wq, &__wait); \
} while (0)
+#ifdef CONFIG_PROC_FS
+extern void proc_tty_register_driver(struct tty_driver *);
+extern void proc_tty_unregister_driver(struct tty_driver *);
+#else
+static inline void proc_tty_register_driver(struct tty_driver *d) {}
+static inline void proc_tty_unregister_driver(struct tty_driver *d) {}
+#endif
#endif
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