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slab: rewrite slab allocator

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Matheus
2025-09-04 22:40:10 -03:00
parent 8cba07f65c
commit 2fa040096c
11 changed files with 500 additions and 261 deletions
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kernel-src/fs/pipefs.c
+10 -2
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@@ -342,6 +342,13 @@ int pipefs_inactive(vnode_t *node) {
pipenode_t *pipenode = (pipenode_t *)node;
INTERNAL_LOCK(node);
ringbuffer_destroy(&pipenode->data);
// TODO write this properly using cache ctor and dtor
memset(node, 0, sizeof(pipenode_t));
VOP_INIT(node, &vnops, 0, V_TYPE_FIFO, NULL);
pipenode->attr.inode = ++currentinode;
POLL_INITHEADER(&pipenode->pollheader);
EVENT_INITHEADER(&pipenode->writeopenevent);
EVENT_INITHEADER(&pipenode->readopenevent);
slab_free(nodecache, node);
return 0;
}
@@ -389,7 +396,7 @@ static vops_t vnops = {
.unlock = pipefs_unlock
};
static void ctor(scache_t *cache, void *obj) {
static bool ctor(scache_t *cache, void *obj) {
pipenode_t *node = obj;
memset(node, 0, sizeof(pipenode_t));
VOP_INIT(&node->vnode, &vnops, 0, V_TYPE_FIFO, NULL);
@@ -397,10 +404,11 @@ static void ctor(scache_t *cache, void *obj) {
POLL_INITHEADER(&node->pollheader);
EVENT_INITHEADER(&node->writeopenevent);
EVENT_INITHEADER(&node->readopenevent);
return true;
}
void pipefs_init() {
nodecache = slab_newcache(sizeof(pipenode_t), 0, ctor, ctor);
nodecache = slab_newcache(sizeof(pipenode_t), 0, ctor, NULL);
__assert(nodecache);
}