nilfs_bmap Struct Reference

#include <bmap.h>

Data Fields
union {
__u8   u_flags
__le64   u_data [NILFS_BMAP_SIZE/sizeof(__le64)]
}	b_u
struct rw_semaphore	b_sem
struct inode *	b_inode
struct nilfs_bmap_operations *	b_ops
__u64	b_last_allocated_key
__u64	b_last_allocated_ptr
int	b_ptr_type
int	b_state
__u16	b_nchildren_per_block

Detailed Description

struct nilfs_bmap - bmap structure : raw data : semaphore : owner of bmap : bmap operation table : last allocated key for data block : last allocated ptr for data block : pointer type : state : maximum number of child nodes for non-root nodes

Definition at line 110 of file bmap.h.

Field Documentation

struct inode* b_inode

Definition at line 116 of file bmap.h.

__u64 b_last_allocated_key

Definition at line 118 of file bmap.h.

__u64 b_last_allocated_ptr

Definition at line 119 of file bmap.h.

__u16 b_nchildren_per_block

Definition at line 122 of file bmap.h.

struct nilfs_bmap_operations* b_ops

Definition at line 117 of file bmap.h.

int b_ptr_type

Definition at line 120 of file bmap.h.

struct rw_semaphore b_sem

Definition at line 115 of file bmap.h.

int b_state

Definition at line 121 of file bmap.h.

union { ... } b_u

__le64 u_data[NILFS_BMAP_SIZE/sizeof(__le64)]

Definition at line 113 of file bmap.h.

__u8 u_flags

Definition at line 112 of file bmap.h.

---

The documentation for this struct was generated from the following file:

• fs/nilfs2/bmap.h