/*
* Begin functions to handle an inode's extent information
*/
-extern void ext2fs_extent_free(ext2_extent_handle_t handle)
+void ext2fs_extent_free(ext2_extent_handle_t handle)
{
int i;
ext2fs_free_mem(&handle);
}
-extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino,
+errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino,
ext2_extent_handle_t *ret_handle)
{
return ext2fs_extent_open2(fs, ino, NULL, ret_handle);
}
-extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino,
+errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino,
struct ext2_inode *inode,
ext2_extent_handle_t *ret_handle)
{
return retval;
}
+ if (!(handle->fs->flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) &&
+ !ext2fs_extent_block_csum_verify(handle->fs, handle->ino,
+ eh)) {
+ handle->level--;
+ return EXT2_ET_EXTENT_CSUM_INVALID;
+ }
+
newpath->left = newpath->entries =
ext2fs_le16_to_cpu(eh->eh_entries);
newpath->max_entries = ext2fs_le16_to_cpu(eh->eh_max);
blk64_t blk;
errcode_t retval;
struct ext3_extent_idx *ix;
+ struct ext3_extent_header *eh;
if (handle->level == 0) {
retval = ext2fs_write_inode(handle->fs, handle->ino,
blk = ext2fs_le32_to_cpu(ix->ei_leaf) +
((__u64) ext2fs_le16_to_cpu(ix->ei_leaf_hi) << 32);
+ /* then update the checksum */
+ eh = (struct ext3_extent_header *)
+ handle->path[handle->level].buf;
+ retval = ext2fs_extent_block_csum_set(handle->fs, handle->ino,
+ eh);
+ if (retval)
+ return retval;
+
retval = io_channel_write_blk64(handle->fs->io,
blk, 1, handle->path[handle->level].buf);
}
new_node_start = ext2fs_le32_to_cpu(EXT_FIRST_INDEX(neweh)->ei_block);
+ /* then update the checksum */
+ retval = ext2fs_extent_block_csum_set(handle->fs, handle->ino, neweh);
+ if (retval)
+ goto done;
+
/* ...and write the new node block out to disk. */
retval = io_channel_write_blk64(handle->fs->io, new_node_pblk, 1,
block_buf);