Changeset cdab59e in mainline for uspace/srv/fs/minixfs/mfs_inode.c

Timestamp:

2011-04-03T12:45:11Z (14 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

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

Children:

77bb55b

Parents:

586f123

Message:

Add mfs2_write_inode_raw() function to write back a dirty inode to disk

File:

• uspace/srv/fs/minixfs/mfs_inode.c (modified) (3 diffs)

uspace/srv/fs/minixfs/mfs_inode.c

@@ -41 +41 @@
 mfs_write_inode_raw(struct mfs_node *mnode);
 
+static int
+mfs2_write_inode_raw(struct mfs_node *mnode);
+
 struct mfs_ino_info *
 mfs_read_inode_raw(const struct mfs_instance *instance, uint16_t inum)
@@ -174 +177 @@
         if (sbi->fs_version == MFS_VERSION_V1)
                 rc = mfs_write_inode_raw(mnode);
-        else {
-                /*rc = mfs2_write_inode_raw(mnode);*/
-        }
+        else
+                rc = mfs2_write_inode_raw(mnode);
 
 out:
@@ -224 +226 @@
 }
 
+static int
+mfs2_write_inode_raw(struct mfs_node *mnode)
+{
+        struct mfs_ino_info *ino_i = mnode->ino_i;
+        struct mfs_sb_info *sbi = mnode->instance->sbi;
+        block_t *b;
+        int i, r;
+
+        const int itable_off = sbi->itable_off;
+        const int ino_off = ino_i->index % sbi->ino_per_block;
+        const bool native = sbi->native;
+        
+        r = block_get(&b, mnode->instance->handle,
+                                itable_off + ino_i->index / sbi->ino_per_block,
+                                BLOCK_FLAGS_NONE);
+
+        if (r != EOK)
+                goto out;
+
+        struct mfs2_inode *ino2 = b->data;
+        ino2 += ino_off;
+
+        ino2->i_mode = conv16(native, ino_i->i_mode);
+        ino2->i_nlinks = conv16(native, ino_i->i_mode);
+        ino2->i_uid = conv16(native, ino_i->i_uid);
+        ino2->i_gid = conv16(native, ino_i->i_gid);
+        ino2->i_size = conv32(native, ino_i->i_size);   
+        ino2->i_atime = conv32(native, ino_i->i_atime);
+        ino2->i_mtime = conv32(native, ino_i->i_mtime);
+        ino2->i_ctime = conv32(native, ino_i->i_ctime);
+
+        for (i = 0; i < V2_NR_DIRECT_ZONES; ++i)
+                ino2->i_dzone[i] = conv32(native, ino_i->i_dzone[i]);
+
+        for (i = 0; i < V2_NR_INDIRECT_ZONES; ++i)
+                ino2->i_izone[i] = conv32(native, ino_i->i_izone[i]);
+
+        b->dirty = true;
+        block_put(b);
+        ino_i->dirty = false;
+
+out:
+        return r;
+}
+
 /**
  * @}