msdos_fs_i.h

来自「Axis 221 camera embedded programing inte」· C头文件 代码 · 共 30 行

#ifndef _MSDOS_FS_I
#define _MSDOS_FS_I

#include <linux/fs.h>

/*
 * MS-DOS file system inode data in memory
 */

#define FAT_CACHE_VALID	0	/* special case for valid cache */

struct msdos_inode_info {
	spinlock_t cache_lru_lock;
	struct list_head cache_lru;
	int nr_caches;
	/* for avoiding the race between fat_free() and fat_get_cluster() */
	unsigned int cache_valid_id;

	loff_t mmu_private;
	int i_start;	/* first cluster or 0 */
	int i_logstart;	/* logical first cluster */
	int i_attrs;	/* unused attribute bits */
	int i_ctime_ms;	/* unused change time in milliseconds */
	loff_t i_pos;	/* on-disk position of directory entry or 0 */
	struct hlist_node i_fat_hash;	/* hash by i_location */
	struct inode vfs_inode;
};

#endif