mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 02:39:48 +00:00
![Joern Engel](/assets/img/avatar_default.png)
This is a new flash file system. See Documentation/filesystems/logfs.txt Signed-off-by: Joern Engel <joern@logfs.org>
147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
#define __BTREE_TP(pfx, type, sfx) pfx ## type ## sfx
|
|
#define _BTREE_TP(pfx, type, sfx) __BTREE_TP(pfx, type, sfx)
|
|
#define BTREE_TP(pfx) _BTREE_TP(pfx, BTREE_TYPE_SUFFIX,)
|
|
#define BTREE_FN(name) BTREE_TP(btree_ ## name)
|
|
#define BTREE_TYPE_HEAD BTREE_TP(struct btree_head)
|
|
#define VISITOR_FN BTREE_TP(visitor)
|
|
#define VISITOR_FN_T _BTREE_TP(visitor, BTREE_TYPE_SUFFIX, _t)
|
|
|
|
BTREE_TYPE_HEAD {
|
|
struct btree_head h;
|
|
};
|
|
|
|
static inline void BTREE_FN(init_mempool)(BTREE_TYPE_HEAD *head,
|
|
mempool_t *mempool)
|
|
{
|
|
btree_init_mempool(&head->h, mempool);
|
|
}
|
|
|
|
static inline int BTREE_FN(init)(BTREE_TYPE_HEAD *head)
|
|
{
|
|
return btree_init(&head->h);
|
|
}
|
|
|
|
static inline void BTREE_FN(destroy)(BTREE_TYPE_HEAD *head)
|
|
{
|
|
btree_destroy(&head->h);
|
|
}
|
|
|
|
static inline int BTREE_FN(merge)(BTREE_TYPE_HEAD *target,
|
|
BTREE_TYPE_HEAD *victim,
|
|
gfp_t gfp)
|
|
{
|
|
return btree_merge(&target->h, &victim->h, BTREE_TYPE_GEO, gfp);
|
|
}
|
|
|
|
#if (BITS_PER_LONG > BTREE_TYPE_BITS)
|
|
static inline void *BTREE_FN(lookup)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
|
|
{
|
|
unsigned long _key = key;
|
|
return btree_lookup(&head->h, BTREE_TYPE_GEO, &_key);
|
|
}
|
|
|
|
static inline int BTREE_FN(insert)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
|
|
void *val, gfp_t gfp)
|
|
{
|
|
unsigned long _key = key;
|
|
return btree_insert(&head->h, BTREE_TYPE_GEO, &_key, val, gfp);
|
|
}
|
|
|
|
static inline int BTREE_FN(update)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
|
|
void *val)
|
|
{
|
|
unsigned long _key = key;
|
|
return btree_update(&head->h, BTREE_TYPE_GEO, &_key, val);
|
|
}
|
|
|
|
static inline void *BTREE_FN(remove)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
|
|
{
|
|
unsigned long _key = key;
|
|
return btree_remove(&head->h, BTREE_TYPE_GEO, &_key);
|
|
}
|
|
|
|
static inline void *BTREE_FN(last)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
|
|
{
|
|
unsigned long _key;
|
|
void *val = btree_last(&head->h, BTREE_TYPE_GEO, &_key);
|
|
if (val)
|
|
*key = _key;
|
|
return val;
|
|
}
|
|
|
|
static inline void *BTREE_FN(get_prev)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
|
|
{
|
|
unsigned long _key = *key;
|
|
void *val = btree_get_prev(&head->h, BTREE_TYPE_GEO, &_key);
|
|
if (val)
|
|
*key = _key;
|
|
return val;
|
|
}
|
|
#else
|
|
static inline void *BTREE_FN(lookup)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
|
|
{
|
|
return btree_lookup(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key);
|
|
}
|
|
|
|
static inline int BTREE_FN(insert)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
|
|
void *val, gfp_t gfp)
|
|
{
|
|
return btree_insert(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key,
|
|
val, gfp);
|
|
}
|
|
|
|
static inline int BTREE_FN(update)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
|
|
void *val)
|
|
{
|
|
return btree_update(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key, val);
|
|
}
|
|
|
|
static inline void *BTREE_FN(remove)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
|
|
{
|
|
return btree_remove(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key);
|
|
}
|
|
|
|
static inline void *BTREE_FN(last)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
|
|
{
|
|
return btree_last(&head->h, BTREE_TYPE_GEO, (unsigned long *)key);
|
|
}
|
|
|
|
static inline void *BTREE_FN(get_prev)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
|
|
{
|
|
return btree_get_prev(&head->h, BTREE_TYPE_GEO, (unsigned long *)key);
|
|
}
|
|
#endif
|
|
|
|
void VISITOR_FN(void *elem, unsigned long opaque, unsigned long *key,
|
|
size_t index, void *__func);
|
|
|
|
typedef void (*VISITOR_FN_T)(void *elem, unsigned long opaque,
|
|
BTREE_KEYTYPE key, size_t index);
|
|
|
|
static inline size_t BTREE_FN(visitor)(BTREE_TYPE_HEAD *head,
|
|
unsigned long opaque,
|
|
VISITOR_FN_T func2)
|
|
{
|
|
return btree_visitor(&head->h, BTREE_TYPE_GEO, opaque,
|
|
visitorl, func2);
|
|
}
|
|
|
|
static inline size_t BTREE_FN(grim_visitor)(BTREE_TYPE_HEAD *head,
|
|
unsigned long opaque,
|
|
VISITOR_FN_T func2)
|
|
{
|
|
return btree_grim_visitor(&head->h, BTREE_TYPE_GEO, opaque,
|
|
visitorl, func2);
|
|
}
|
|
|
|
#undef VISITOR_FN
|
|
#undef VISITOR_FN_T
|
|
#undef __BTREE_TP
|
|
#undef _BTREE_TP
|
|
#undef BTREE_TP
|
|
#undef BTREE_FN
|
|
#undef BTREE_TYPE_HEAD
|
|
#undef BTREE_TYPE_SUFFIX
|
|
#undef BTREE_TYPE_GEO
|
|
#undef BTREE_KEYTYPE
|
|
#undef BTREE_TYPE_BITS
|