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kernel add
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#ifndef _FS_CEPH_DEBUGFS_H
#define _FS_CEPH_DEBUGFS_H
#include <linux/ceph/ceph_debug.h>
#include <linux/ceph/types.h>
#define CEPH_DEFINE_SHOW_FUNC(name) \
static int name##_open(struct inode *inode, struct file *file) \
{ \
return single_open(file, name, inode->i_private); \
} \
\
static const struct file_operations name##_fops = { \
.open = name##_open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
};
/* debugfs.c */
extern int ceph_debugfs_init(void);
extern void ceph_debugfs_cleanup(void);
extern int ceph_debugfs_client_init(struct ceph_client *client);
extern void ceph_debugfs_client_cleanup(struct ceph_client *client);
#endif
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