1#ifndef _AFFS_FS_I 2#define _AFFS_FS_I 3 4#include <linux/a.out.h> 5 6// move this to linux/coda.h!!! 7#include <linux/time.h> 8 9#define AFFS_CACHE_SIZE PAGE_SIZE 10//#define AFFS_CACHE_SIZE (4*4) 11 12#define AFFS_MAX_PREALLOC 32 13#define AFFS_LC_SIZE (AFFS_CACHE_SIZE/sizeof(u32)/2) 14#define AFFS_AC_SIZE (AFFS_CACHE_SIZE/sizeof(struct affs_ext_key)/2) 15#define AFFS_AC_MASK (AFFS_AC_SIZE-1) 16 17struct affs_ext_key { 18 u32 ext; /* idx of the extended block */ 19 u32 key; /* block number */ 20}; 21 22/* 23 * affs fs inode data in memory 24 */ 25struct affs_inode_info { 26 u32 i_opencnt; 27 struct semaphore i_link_lock; /* Protects internal inode access. */ 28 struct semaphore i_ext_lock; /* Protects internal inode access. */ 29#define i_hash_lock i_ext_lock 30 u32 i_blkcnt; /* block count */ 31 u32 i_extcnt; /* extended block count */ 32 u32 *i_lc; /* linear cache of extended blocks */ 33 u32 i_lc_size; 34 u32 i_lc_shift; 35 u32 i_lc_mask; 36 struct affs_ext_key *i_ac; /* associative cache of extended blocks */ 37 u32 i_ext_last; /* last accessed extended block */ 38 struct buffer_head *i_ext_bh; /* bh of last extended block */ 39 unsigned long mmu_private; 40 u32 i_protect; /* unused attribute bits */ 41 u32 i_lastalloc; /* last allocated block */ 42 int i_pa_cnt; /* number of preallocated blocks */ 43}; 44 45/* short cut to get to the affs specific inode data */ 46#define AFFS_INODE (&inode->u.affs_i) 47#define AFFS_DIR (&dir->u.affs_i) 48 49#endif 50