4-virtual_memory.md (#24)

[lunaix-os.git] / lunaix-os / kernel / fs / pcache.c

diff --git a/lunaix-os/kernel/fs/pcache.c b/lunaix-os/kernel/fs/pcache.c
index 8283fd1f56d899a222ff0d779891ca2b22457361..4c6f69cdbe284953e3e011ebcb84a2157802aff3 100644 (file)
--- a/lunaix-os/kernel/fs/pcache.c
+++ b/lunaix-os/kernel/fs/pcache.c
@@ -23,21 +23,21 @@ static void
 pcache_free_page(void* va)
 {
     ptr_t pa = vmm_del_mapping(VMS_SELF, (ptr_t)va);
 pcache_free_page(void* va)
 {
     ptr_t pa = vmm_del_mapping(VMS_SELF, (ptr_t)va);

-    pmm_free_page(KERNEL_PID, pa);
+    pmm_free_page(pa);

 }
 
 static void*
 pcache_alloc_page()
 {
     int i = 0;
 }
 
 static void*
 pcache_alloc_page()
 {
     int i = 0;

-    ptr_t pp = pmm_alloc_page(KERNEL_PID, 0), va = 0;
+    ptr_t pp = pmm_alloc_page(0), va = 0;

 
     if (!pp) {
         return NULL;
     }
 
     if (!(va = (ptr_t)vmap(pp, PG_SIZE, PG_PREM_RW, 0))) {
 
     if (!pp) {
         return NULL;
     }
 
     if (!(va = (ptr_t)vmap(pp, PG_SIZE, PG_PREM_RW, 0))) {

-        pmm_free_page(KERNEL_PID, pp);
+        pmm_free_page(pp);

         return NULL;
     }
 
         return NULL;
     }
 


@@ -140,8 +140,7 @@ pcache_write(struct v_inode* inode, void* data, u32_t len, u32_t fpos)
 
         if (new_page) {
             // Filling up the page
 
         if (new_page) {
             // Filling up the page

-            errno =
-              inode->default_fops->read_page(inode, pg->pg, PG_SIZE, pg->fpos);
+            errno = inode->default_fops->read_page(inode, pg->pg, pg->fpos);

 
             if (errno < 0) {
                 break;
 
             if (errno < 0) {
                 break;


@@ -178,8 +177,7 @@ pcache_read(struct v_inode* inode, void* data, u32_t len, u32_t fpos)
         int new_page = pcache_get_page(pcache, fpos, &pg_off, &pg);
         if (new_page) {
             // Filling up the page
         int new_page = pcache_get_page(pcache, fpos, &pg_off, &pg);
         if (new_page) {
             // Filling up the page

-            errno =
-              inode->default_fops->read_page(inode, pg->pg, PG_SIZE, pg->fpos);
+            errno = inode->default_fops->read_page(inode, pg->pg, pg->fpos);

 
             if (errno < 0) {
                 break;
 
             if (errno < 0) {
                 break;


@@ -191,7 +189,7 @@ pcache_read(struct v_inode* inode, void* data, u32_t len, u32_t fpos)
 
             pg->len = errno;
         } else if (!pg) {
 
             pg->len = errno;
         } else if (!pg) {

-            errno = inode->default_fops->read_page(
+            errno = inode->default_fops->read(

               inode, (data + buf_off), len - buf_off, pg->fpos);
             buf_off = len;
             break;
               inode, (data + buf_off), len - buf_off, pg->fpos);
             buf_off = len;
             break;


@@ -231,8 +229,7 @@ pcache_commit(struct v_inode* inode, struct pcache_pg* page)
         return 0;
     }
 
         return 0;
     }
 

-    int errno =
-      inode->default_fops->write_page(inode, page->pg, PG_SIZE, page->fpos);
+    int errno = inode->default_fops->write_page(inode, page->pg, page->fpos);

 
     if (!errno) {
         page->flags &= ~PCACHE_DIRTY;
 
     if (!errno) {
         page->flags &= ~PCACHE_DIRTY;