Changeset a2a1792 in mainline

Timestamp:

2011-02-16T17:11:51Z (14 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

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

Children:

b65cae22

Parents:

5352d72

Message:

Fixed locating of inodes

File:

• uspace/lib/ext2/libext2_filesystem.c (modified) (3 diffs)

uspace/lib/ext2/libext2_filesystem.c

@@ -186 +186 @@
         uint32_t block_group;
         uint32_t offset_in_group;
+        uint32_t byte_offset_in_group;
+        size_t offset_in_block;
         uint32_t inodes_per_group;
         uint32_t inode_table_start;
@@ -217 +219 @@
         block_size = ext2_superblock_get_block_size(fs->superblock);
         
-        block_id = inode_table_start + ((index * inode_size) / block_size);
+        byte_offset_in_group = offset_in_group * inode_size;
+        
+        block_id = inode_table_start + (byte_offset_in_group / block_size);
+        offset_in_block = byte_offset_in_group % block_size;
         
         rc = block_get(&newref->block, fs->device, block_id, 0);
@@ -225 +230 @@
         }
         
-        newref->inode = newref->block->data + (offset_in_group*inode_size);
+        newref->inode = newref->block->data + offset_in_block;
         
         *ref = newref;