Changeset b14d9f9 in mainline for uspace/srv/vfs/vfs_ipc.c

Timestamp:

2017-05-05T17:37:36Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

951f6b9e

Parents:

75b24cd

Message:

Mount should be able to print the list of available file system types.

File:

• uspace/srv/vfs/vfs_ipc.c (modified) (3 diffs)

uspace/srv/vfs/vfs_ipc.c

@@ -27 +27 @@
  */
 
+#include <vfs/vfs.h>
 #include "vfs.h"
 
@@ -42 +43 @@
         int ret = vfs_op_clone(oldfd, newfd, desc);
         async_answer_0(rid, ret);
+}
+
+static void vfs_in_fstypes(ipc_callid_t rid, ipc_call_t *request)
+{
+        ipc_callid_t callid;
+        size_t len;
+        vfs_fstypes_t fstypes;
+        int rc;
+
+        rc = vfs_get_fstypes(&fstypes);
+        if (rc != EOK) {
+                async_answer_0(rid, ENOMEM);
+                return;
+        }
+
+        /* Send size of the data */
+        async_answer_1(rid, EOK, fstypes.size);
+
+        /* Now we should get a read request */
+        if (!async_data_read_receive(&callid, &len))
+                goto out;
+
+        if (len > fstypes.size)
+                len = fstypes.size;
+        (void) async_data_read_finalize(callid, fstypes.buf, len);
+
+out:
+        vfs_fstypes_free(&fstypes);
 }
 
@@ -268 +297 @@
                         vfs_in_clone(callid, &call);
                         break;
+                case VFS_IN_FSTYPES:
+                        vfs_in_fstypes(callid, &call);
+                        break;
                 case VFS_IN_MOUNT:
                         vfs_in_mount(callid, &call);