Changeset d2c8533 in mainline for uspace/lib/fs/libfs.c

Timestamp:

2017-05-08T20:38:47Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f066a87

Parents:

582a0b8

Message:

File system probing groundwork. Only MFS can do it for now.

File:

• uspace/lib/fs/libfs.c (modified) (2 diffs)

uspace/lib/fs/libfs.c

@@ -81 +81 @@
     ipc_call_t *);
 
+static void vfs_out_fsprobe(ipc_callid_t rid, ipc_call_t *req)
+{
+        service_id_t service_id = (service_id_t) IPC_GET_ARG1(*req);
+        int rc;
+        vfs_fs_probe_info_t info;
+        
+        ipc_callid_t callid;
+        size_t size;
+        if ((!async_data_read_receive(&callid, &size)) ||
+            (size != sizeof(info))) {
+                async_answer_0(callid, EIO);
+                async_answer_0(rid, EIO);
+                return;
+        }
+        
+        memset(&info, 0, sizeof(info));
+        rc = vfs_out_ops->fsprobe(service_id, &info);
+        if (rc != EOK) {
+                async_answer_0(callid, EIO);
+                async_answer_0(rid, rc);
+                return;
+        }
+        
+        async_data_read_finalize(callid, &info, sizeof(info));
+        async_answer_0(rid, EOK);
+}
+
 static void vfs_out_mounted(ipc_callid_t rid, ipc_call_t *req)
 {
@@ -272 +299 @@
                 
                 switch (IPC_GET_IMETHOD(call)) {
+                case VFS_OUT_FSPROBE:
+                        vfs_out_fsprobe(callid, &call);
+                        break;
                 case VFS_OUT_MOUNTED:
                         vfs_out_mounted(callid, &call);