X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b60166b327a9108b07e3069fa6568a451529ffd9..c166bd62fbb907f95f79f621e2a2fb4fdde08e01:/lunaix-os/kernel/fs/pcache.c diff --git a/lunaix-os/kernel/fs/pcache.c b/lunaix-os/kernel/fs/pcache.c index 4c6f69c..26e7ac4 100644 --- a/lunaix-os/kernel/fs/pcache.c +++ b/lunaix-os/kernel/fs/pcache.c @@ -2,9 +2,7 @@ #include #include #include -#include #include -#include #include #define PCACHE_DIRTY 0x1 @@ -22,22 +20,24 @@ __pcache_try_evict(struct lru_node* obj) static void pcache_free_page(void* va) { - ptr_t pa = vmm_del_mapping(VMS_SELF, (ptr_t)va); - pmm_free_page(pa); + pte_t* ptep = mkptep_va(VMS_SELF, (ptr_t)va); + pte_t pte = pte_at(ptep); + leaflet_return(pte_leaflet(pte)); } static void* pcache_alloc_page() { int i = 0; - ptr_t pp = pmm_alloc_page(0), va = 0; + ptr_t va = 0; + struct leaflet* leaflet = alloc_leaflet(0); - if (!pp) { + if (!leaflet) { return NULL; } - if (!(va = (ptr_t)vmap(pp, PG_SIZE, PG_PREM_RW, 0))) { - pmm_free_page(pp); + if (!(va = (ptr_t)vmap(leaflet, KERNEL_DATA))) { + leaflet_return(leaflet); return NULL; } @@ -47,7 +47,7 @@ pcache_alloc_page() void pcache_init(struct pcache* pcache) { - btrie_init(&pcache->tree, PG_SIZE_BITS); + btrie_init(&pcache->tree, PAGE_SHIFT); llist_init_head(&pcache->dirty); llist_init_head(&pcache->pages); @@ -134,7 +134,7 @@ pcache_write(struct v_inode* inode, void* data, u32_t len, u32_t fpos) struct pcache_pg* pg; while (buf_off < len && errno >= 0) { - u32_t wr_bytes = MIN(PG_SIZE - pg_off, len - buf_off); + u32_t wr_bytes = MIN(PAGE_SIZE - pg_off, len - buf_off); int new_page = pcache_get_page(pcache, fpos, &pg_off, &pg); @@ -145,7 +145,7 @@ pcache_write(struct v_inode* inode, void* data, u32_t len, u32_t fpos) if (errno < 0) { break; } - if (errno < PG_SIZE) { + if (errno < (int)PAGE_SIZE) { // EOF len = MIN(len, buf_off + errno); } @@ -182,7 +182,7 @@ pcache_read(struct v_inode* inode, void* data, u32_t len, u32_t fpos) if (errno < 0) { break; } - if (errno < PG_SIZE) { + if (errno < (int)PAGE_SIZE) { // EOF len = MIN(len, buf_off + errno); }