Changeset 0d6ab10 in mainline

Timestamp:

2011-03-18T20:39:48Z (14 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

930baca

Parents:

fe4ac35

Message:

Add mfs_stat() function and link mfs_size_get() function to the libfs_ops structure.

Location:

uspace/srv/fs/minixfs

Files:

• mfs.c (modified) (1 diff)
• mfs.h (modified) (2 diffs)
• mfs_ops.c (modified) (3 diffs)

uspace/srv/fs/minixfs/mfs.c

@@ -104 +104 @@
                         mfs_mount(callid, &call);
                         break;
+                case VFS_OUT_STAT:
+                        mfs_stat(callid, &call);
+                        break;
                 default:
                         async_answer_0(callid, ENOTSUP);

uspace/srv/fs/minixfs/mfs.h

@@ -101 +101 @@
 extern void mfs_mounted(ipc_callid_t rid, ipc_call_t *request);
 extern void mfs_mount(ipc_callid_t rid, ipc_call_t *request);
+extern aoff64_t mfs_size_get(fs_node_t *node);
 extern bool mfs_is_directory(fs_node_t *fsnode);
 extern bool mfs_is_file(fs_node_t *fsnode);
@@ -109 +110 @@
 int mfs_node_get(fs_node_t **rfn, devmap_handle_t devmap_handle,
                         fs_index_t index);
+
+extern void mfs_stat(ipc_callid_t rid, ipc_call_t *request);
 
 /*mfs_inode.c*/

uspace/srv/fs/minixfs/mfs_ops.c

@@ -33 +33 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <assert.h>
 #include <fibril_synch.h>
 #include <errno.h>
@@ -47 +48 @@
 
 libfs_ops_t mfs_libfs_ops = {
+        .size_get = mfs_size_get,
         .root_get = mfs_root_get,
         .device_get = mfs_device_get,
@@ -206 +208 @@
         struct mfs_node *node = fsnode->data;
         return node->instance->handle;
+}
+
+aoff64_t mfs_size_get(fs_node_t *node)
+{
+        aoff64_t size;
+
+        mfsdebug("request for inode size\n");
+        assert(node);
+
+        const struct mfs_node *mnode = node->data;
+        assert(mnode);
+
+        const struct mfs_instance *inst = mnode->instance;
+        assert(inst);
+
+        const struct mfs_sb_info *sbi = inst->sbi;
+        assert(sbi);
+
+        if (sbi->fs_version == MFS_VERSION_V1) {
+                struct mfs_inode *ino;
+                ino = mnode->ino;
+                size = ino->i_size;
+        } else {
+                struct mfs2_inode *ino2;
+                ino2 = mnode->ino2;
+                size = ino2->i_size;
+        }
+
+        return size;
+}
+
+void mfs_stat(ipc_callid_t rid, ipc_call_t *request)
+{
+        mfsdebug("mfs_stat called\n");
+        libfs_stat(&mfs_libfs_ops, mfs_reg.fs_handle, rid, request);
 }