vfs: relay mmap() to appropriate file system driver

lux-operating-system · Nov 30, 2024 · 7673683 · 7673683
1 parent 6890731
commit 7673683
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/fs/vfs/src/dispatch.c b/fs/vfs/src/dispatch.c
@@ -113,6 +113,18 @@ void vfsDispatchReaddir(SyscallHeader *hdr) {
     }
 }
 
+void vfsDispatchMmap(SyscallHeader *hdr) {
+    MmapCommand *cmd = (MmapCommand *) hdr;
+    char type[32];
+    if(resolve(cmd->path, type, cmd->device, cmd->path)) {
+        int sd = findFSServer(type);
+        if(sd <= 0) luxLogf(KPRINT_LEVEL_WARNING, "no file system driver loaded for '%s'\n", type);
+        else luxSend(sd, cmd);
+    } else {
+        luxLogf(KPRINT_LEVEL_WARNING, "could not resolve path '%s'\n", cmd->path);
+    }
+}
+
 void (*vfsDispatchTable[])(SyscallHeader *) = {
     vfsDispatchStat,    // 0 - stat()
     NULL,               // 1 - flush()
@@ -132,6 +144,6 @@ void (*vfsDispatchTable[])(SyscallHeader *) = {
 
     NULL, NULL, NULL,   // 15, 16, 17 - irrelevant to vfs
 
-    NULL,               // 18 - mmap()
+    vfsDispatchMmap,    // 18 - mmap()
     NULL,               // 19 - msync()
 };