diff options
Diffstat (limited to 'fs/proc/internal.h')
| -rw-r--r-- | fs/proc/internal.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 0f1692e..da3dbfa 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -44,7 +44,13 @@ struct proc_dir_entry { struct completion *pde_unload_completion; const struct inode_operations *proc_iops; const struct file_operations *proc_fops; + union { + const struct seq_operations *seq_ops; + int (*single_show)(struct seq_file *, void *); + }; + proc_write_t write; void *data; + unsigned int state_size; unsigned int low_ino; nlink_t nlink; kuid_t uid; @@ -56,14 +62,20 @@ struct proc_dir_entry { char *name; umode_t mode; u8 namelen; -#ifdef CONFIG_64BIT -#define SIZEOF_PDE_INLINE_NAME (192-139) -#else -#define SIZEOF_PDE_INLINE_NAME (128-87) -#endif - char inline_name[SIZEOF_PDE_INLINE_NAME]; + char inline_name[]; } __randomize_layout; +#define OFFSETOF_PDE_NAME offsetof(struct proc_dir_entry, inline_name) +#define SIZEOF_PDE_SLOT \ + (OFFSETOF_PDE_NAME + 34 <= 64 ? 64 : \ + OFFSETOF_PDE_NAME + 34 <= 128 ? 128 : \ + OFFSETOF_PDE_NAME + 34 <= 192 ? 192 : \ + OFFSETOF_PDE_NAME + 34 <= 256 ? 256 : \ + OFFSETOF_PDE_NAME + 34 <= 512 ? 512 : \ + 0) + +#define SIZEOF_PDE_INLINE_NAME (SIZEOF_PDE_SLOT - OFFSETOF_PDE_NAME) + extern struct kmem_cache *proc_dir_entry_cache; void pde_free(struct proc_dir_entry *pde); @@ -131,6 +143,8 @@ unsigned name_to_int(const struct qstr *qstr); */ extern const struct file_operations proc_tid_children_operations; +extern void proc_task_name(struct seq_file *m, struct task_struct *p, + bool escape); extern int proc_tid_stat(struct seq_file *, struct pid_namespace *, struct pid *, struct task_struct *); extern int proc_tgid_stat(struct seq_file *, struct pid_namespace *, @@ -147,21 +161,25 @@ extern const struct dentry_operations pid_dentry_operations; extern int pid_getattr(const struct path *, struct kstat *, u32, unsigned int); extern int proc_setattr(struct dentry *, struct iattr *); extern struct inode *proc_pid_make_inode(struct super_block *, struct task_struct *, umode_t); -extern int pid_revalidate(struct dentry *, unsigned int); +extern void pid_update_inode(struct task_struct *, struct inode *); extern int pid_delete_dentry(const struct dentry *); extern int proc_pid_readdir(struct file *, struct dir_context *); extern struct dentry *proc_pid_lookup(struct inode *, struct dentry *, unsigned int); extern loff_t mem_lseek(struct file *, loff_t, int); /* Lookups */ -typedef int instantiate_t(struct inode *, struct dentry *, +typedef struct dentry *instantiate_t(struct dentry *, struct task_struct *, const void *); -extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, int, +bool proc_fill_cache(struct file *, struct dir_context *, const char *, unsigned int, instantiate_t, struct task_struct *, const void *); /* * generic.c */ +struct proc_dir_entry *proc_create_reg(const char *name, umode_t mode, + struct proc_dir_entry **parent, void *data); +struct proc_dir_entry *proc_register(struct proc_dir_entry *dir, + struct proc_dir_entry *dp); extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int); struct dentry *proc_lookup_de(struct inode *, struct dentry *, struct proc_dir_entry *); extern int proc_readdir(struct file *, struct dir_context *); @@ -178,6 +196,7 @@ static inline bool is_empty_pde(const struct proc_dir_entry *pde) { return S_ISDIR(pde->mode) && !pde->proc_iops; } +extern ssize_t proc_simple_write(struct file *, const char __user *, size_t, loff_t *); /* * inode.c |
