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kernel: use circular lists in various places

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wnstngs
2026-10-07 10:32:08 +03:00
parent 513faa92c7
commit 9cffe521f3
6 changed files with 23 additions and 13 deletions
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kernel-src/fs/abc.c
+5 -4
View File
@@ -39,7 +39,7 @@ static list_node_t *try_stealing_from_dirty(abc_t *abc, uint64_t block) {
if ((__atomic_load_n(&blk->flags, __ATOMIC_RELAXED) & ABC_BLOCK_FLAGS_DIRTY) == 0)
return NULL;
list_remove(&abc->dirty_list, &blk->dirty_list_node);
list_remove(&blk->dirty_list_node);
__atomic_exchange_n(&blk->flags, ABC_BLOCK_FLAGS_BUSY, __ATOMIC_ACQUIRE);
return &blk->dirty_list_node;
}
@@ -50,7 +50,7 @@ void abc_sync(abc_t *abc) {
EVENT_ATTACH(&listener, &abc->dirty_list_empty_event);
pushlock_acquire_exclusive(&abc->dirty_list_lock);
if (abc->dirty_list.head == NULL && !abc->syncing) {
if (list_is_empty(&abc->dirty_list) && !abc->syncing) {
pushlock_release_exclusive(&abc->dirty_list_lock);
EVENT_DETACHALL(&listener);
return;
@@ -133,7 +133,7 @@ static void writer_thread(void) {
pushlock_release_shared(&abc->lock);
pushlock_release_exclusive(&abc->dirty_list_lock);
abc_block_t *front_block = (abc_block_t *)internal_list.head;
abc_block_t *front_block = (abc_block_t *)list_get_first(&internal_list);
size_t blocks_per_page = PAGE_SIZE / abc->block_size;
size_t iovec_count = (block_count + front_block->block % blocks_per_page + blocks_per_page - 1) / blocks_per_page;
iovec_t iovec[iovec_count];
@@ -164,7 +164,8 @@ static void writer_thread(void) {
__assert(written == block_count * abc->block_size);
}
list_for_each_safe(&internal_list, list_node) {
list_node_t *list_node;
while ((list_node = list_pop_front(&internal_list)) != NULL) {
abc_block_t *blk = (abc_block_t *)list_node;
if (__atomic_and_fetch(&blk->flags, ~ABC_BLOCK_FLAGS_BUSY, __ATOMIC_ACQUIRE) & ABC_BLOCK_FLAGS_DIRTY) {
pushlock_acquire_exclusive(&abc->dirty_list_lock);
kernel-src/fs/vfs.c
+2 -1
View File
@@ -59,7 +59,8 @@ void vfs_root_event_signal(void) {
root_mounted = true;
MUTEX_RELEASE(&root_event_mutex);
list_for_each_safe (&root_event_list, node) {
list_node_t *node;
while ((node = list_pop_front(&root_event_list)) != NULL) {
root_event_waiter_t *rew = (root_event_waiter_t *)node;
rew->fn(rew->ctx);
free(rew);