X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/fb2d2e17e3ffc4bddf944dc67a6d86fe9453bb5a..e416a48f7adc0931edfad8139671ebd8c1f089c6:/lunaix-os/kernel/fs/pcache.c

diff --git a/lunaix-os/kernel/fs/pcache.c b/lunaix-os/kernel/fs/pcache.c
index 9d883f9..c27f78b 100644
--- a/lunaix-os/kernel/fs/pcache.c
+++ b/lunaix-os/kernel/fs/pcache.c
@@ -76,7 +76,7 @@ pcache_set_dirty(struct pcache* pcache, struct pcache_pg* pg)
     }
 }
 
-struct pcache_pg*
+int
 pcache_get_page(struct pcache* pcache,
                 uint32_t index,
                 uint32_t* offset,
@@ -137,10 +137,10 @@ pcache_read(struct v_inode* inode, void* data, uint32_t len, uint32_t fpos)
             }
 
             // Filling up the page
-            errno = inode->default_fops.read(inode, pg->pg, PG_SIZE, pg->fpos);
+            errno = inode->default_fops->read(inode, pg->pg, PG_SIZE, pg->fpos);
             if (errno >= 0 && errno < PG_SIZE) {
                 // EOF
-                len = buf_off + errno;
+                len = MIN(len, buf_off + errno);
             } else if (errno < 0) {
                 break;
             }
@@ -175,7 +175,8 @@ pcache_commit(struct v_inode* inode, struct pcache_pg* page)
         return;
     }
 
-    int errno = inode->default_fops.write(inode, page->pg, PG_SIZE, page->fpos);
+    int errno =
+      inode->default_fops->write(inode, page->pg, PG_SIZE, page->fpos);
 
     if (!errno) {
         page->flags &= ~PCACHE_DIRTY;
@@ -189,6 +190,10 @@ pcache_commit(struct v_inode* inode, struct pcache_pg* page)
 void
 pcache_commit_all(struct v_inode* inode)
 {
+    if (!inode->pg_cache) {
+        return;
+    }
+
     struct pcache* cache = inode->pg_cache;
     struct pcache_pg *pos, *n;