/* * store_aufs.h * * Internal declarations for the aufs routines */#ifndef __STORE_ASYNCUFS_H__#define __STORE_ASYNCUFS_H__/* Which operations to run async */#define ASYNC_OPEN 1#define ASYNC_CLOSE 0#define ASYNC_CREATE 1#define ASYNC_WRITE 0#define ASYNC_READ 1struct _squidaioinfo_t {    int swaplog_fd;    int l1;    int l2;    fileMap *map;    int suggest;};struct _squidaiostate_t {    int fd;    struct {	unsigned int close_request:1;	unsigned int reading:1;	unsigned int writing:1;	unsigned int opening:1;#if !ASYNC_WRITE	unsigned int write_kicking:1;#endif	unsigned int inreaddone:1;    } flags;    char *read_buf;    link_list *pending_writes;    link_list *pending_reads;};struct _queued_write {    char *buf;    size_t size;    off_t offset;    FREE *free_func;};struct _queued_read {    char *buf;    size_t size;    off_t offset;    STRCB *callback;    void *callback_data;};typedef struct _squidaioinfo_t squidaioinfo_t;typedef struct _squidaiostate_t squidaiostate_t;/* The squidaio_state memory pools */extern MemPool *squidaio_state_pool;extern MemPool *aufs_qread_pool;extern MemPool *aufs_qwrite_pool;extern void storeAufsDirMapBitReset(SwapDir *, sfileno);extern int storeAufsDirMapBitAllocate(SwapDir *);extern char *storeAufsDirFullPath(SwapDir * SD, sfileno filn, char *fullpath);extern void storeAufsDirUnlinkFile(SwapDir *, sfileno);extern void storeAufsDirReplAdd(SwapDir * SD, StoreEntry *);extern void storeAufsDirReplRemove(StoreEntry *);/* * Store IO stuff */extern STOBJCREATE storeAufsCreate;extern STOBJOPEN storeAufsOpen;extern STOBJCLOSE storeAufsClose;extern STOBJREAD storeAufsRead;extern STOBJWRITE storeAufsWrite;extern STOBJUNLINK storeAufsUnlink;extern STOBJRECYCLE storeAufsRecycle;#endif