include/linux/ceph/debugfs.h

   1 #ifndef _FS_CEPH_DEBUGFS_H
   2 #define _FS_CEPH_DEBUGFS_H
   3
   4 #include "ceph_debug.h"
   5 #include "types.h"
   6
   7 #define CEPH_DEFINE_SHOW_FUNC(name)                                     \
   8 static int name##_open(struct inode *inode, struct file *file)          \
   9 {                                                                       \
  10         struct seq_file *sf;                                            \
  11         int ret;                                                        \
  12                                                                         \
  13         ret = single_open(file, name, NULL);                            \
  14         sf = file->private_data;                                        \
  15         sf->private = inode->i_private;                                 \
  16         return ret;                                                     \
  17 }                                                                       \
  18                                                                         \
  19 static const struct file_operations name##_fops = {                     \
  20         .open           = name##_open,                                  \
  21         .read           = seq_read,                                     \
  22         .llseek         = seq_lseek,                                    \
  23         .release        = single_release,                               \
  24 };
  25
  26 /* debugfs.c */
  27 extern int ceph_debugfs_init(void);
  28 extern void ceph_debugfs_cleanup(void);
  29 extern int ceph_debugfs_client_init(struct ceph_client *client);
  30 extern void ceph_debugfs_client_cleanup(struct ceph_client *client);
  31
  32 #endif
  33