diff options
| -rw-r--r-- | sha1_file.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/sha1_file.c b/sha1_file.c index 8264b39..c02e785 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -24,6 +24,7 @@ #include "streaming.h" #include "dir.h" #include "mru.h" +#include "list.h" #ifndef O_NOATIME #if defined(__linux__) && (defined(__i386__) || defined(__PPC__)) @@ -2077,13 +2078,10 @@ static void *unpack_compressed_entry(struct packed_git *p, static size_t delta_base_cached; -static struct delta_base_cache_lru_list { - struct delta_base_cache_lru_list *prev; - struct delta_base_cache_lru_list *next; -} delta_base_cache_lru = { &delta_base_cache_lru, &delta_base_cache_lru }; +static LIST_HEAD(delta_base_cache_lru); static struct delta_base_cache_entry { - struct delta_base_cache_lru_list lru; + struct list_head lru; void *data; struct packed_git *p; off_t base_offset; @@ -2128,8 +2126,7 @@ static int in_delta_base_cache(struct packed_git *p, off_t base_offset) static void detach_delta_base_cache_entry(struct delta_base_cache_entry *ent) { ent->data = NULL; - ent->lru.next->prev = ent->lru.prev; - ent->lru.prev->next = ent->lru.next; + list_del(&ent->lru); delta_base_cached -= ent->size; } @@ -2168,24 +2165,24 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset, { unsigned long hash = pack_entry_hash(p, base_offset); struct delta_base_cache_entry *ent = delta_base_cache + hash; - struct delta_base_cache_lru_list *lru; + struct list_head *lru; release_delta_base_cache(ent); delta_base_cached += base_size; - for (lru = delta_base_cache_lru.next; - delta_base_cached > delta_base_cache_limit - && lru != &delta_base_cache_lru; - lru = lru->next) { - struct delta_base_cache_entry *f = (void *)lru; + list_for_each(lru, &delta_base_cache_lru) { + struct delta_base_cache_entry *f = + list_entry(lru, struct delta_base_cache_entry, lru); + if (delta_base_cached <= delta_base_cache_limit) + break; if (f->type == OBJ_BLOB) release_delta_base_cache(f); } - for (lru = delta_base_cache_lru.next; - delta_base_cached > delta_base_cache_limit - && lru != &delta_base_cache_lru; - lru = lru->next) { - struct delta_base_cache_entry *f = (void *)lru; + list_for_each(lru, &delta_base_cache_lru) { + struct delta_base_cache_entry *f = + list_entry(lru, struct delta_base_cache_entry, lru); + if (delta_base_cached <= delta_base_cache_limit) + break; release_delta_base_cache(f); } @@ -2194,10 +2191,7 @@ static void add_delta_base_cache(struct packed_git *p, off_t base_offset, ent->type = type; ent->data = base; ent->size = base_size; - ent->lru.next = &delta_base_cache_lru; - ent->lru.prev = delta_base_cache_lru.prev; - delta_base_cache_lru.prev->next = &ent->lru; - delta_base_cache_lru.prev = &ent->lru; + list_add_tail(&ent->lru, &delta_base_cache_lru); } static void *read_object(const unsigned char *sha1, enum object_type *type, |