wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
/* read error, skip block & hope for the best */
+ ext3_error(sb, __FUNCTION__, "reading directory #%lu "
+ "offset %lu\n", dir->i_ino, block);
brelse(bh);
goto next;
}
struct buffer_head * bh;
struct ext3_dir_entry_2 * de, * de1;
struct super_block * sb;
- int err;
+ int err = 0;
sb = inode->i_sb;
if (inode->i_size < EXT3_DIR_REC_LEN(1) + EXT3_DIR_REC_LEN(2) ||
!(bh = ext3_bread (NULL, inode, 0, 0, &err))) {
- ext3_warning (inode->i_sb, "empty_dir",
- "bad directory (dir #%lu) - no data block",
- inode->i_ino);
+ if (err)
+ ext3_error(inode->i_sb, __FUNCTION__,
+ "error %d reading directory #%lu offset 0",
+ err, inode->i_ino);
+ else
+ ext3_warning(inode->i_sb, __FUNCTION__,
+ "bad directory (dir #%lu) - no data block",
+ inode->i_ino);
return 1;
}
de = (struct ext3_dir_entry_2 *) bh->b_data;
while (offset < inode->i_size ) {
if (!bh ||
(void *) de >= (void *) (bh->b_data+sb->s_blocksize)) {
+ err = 0;
brelse (bh);
bh = ext3_bread (NULL, inode,
offset >> EXT3_BLOCK_SIZE_BITS(sb), 0, &err);
if (!bh) {
-#if 0
- ext3_error (sb, "empty_dir",
- "directory #%lu contains a hole at offset %lu",
- inode->i_ino, offset);
-#endif
+ if (err)
+ ext3_error(sb, __FUNCTION__,
+ "error %d reading directory"
+ " #%lu offset %lu",
+ err, inode->i_ino, offset);
offset += sb->s_blocksize;
continue;
}
de = (struct ext3_dir_entry_2 *) bh->b_data;
}
- if (!ext3_check_dir_entry ("empty_dir", inode, de, bh,
- offset)) {
- brelse (bh);
- return 1;
+ if (!ext3_check_dir_entry("empty_dir", inode, de, bh, offset)) {
+ de = (struct ext3_dir_entry_2 *)(bh->b_data +
+ sb->s_blocksize);
+ offset = (offset | (sb->s_blocksize - 1)) + 1;
+ continue;
}
if (le32_to_cpu(de->inode)) {
brelse (bh);
goto out_brelse;
NEXT_ORPHAN(inode) = 0;
err = ext3_mark_iloc_dirty(handle, inode, &iloc);
- if (err)
- goto out_brelse;
out_err:
ext3_std_error(inode->i_sb, err);
/*
* ok, that's it
*/
- retval = ext3_delete_entry(handle, old_dir, old_de, old_bh);
- if (retval == -ENOENT) {
- /*
- * old_de could have moved out from under us.
- */
+ if (le32_to_cpu(old_de->inode) != old_inode->i_ino ||
+ old_de->name_len != old_dentry->d_name.len ||
+ strncmp(old_de->name, old_dentry->d_name.name, old_de->name_len) ||
+ (retval = ext3_delete_entry(handle, old_dir,
+ old_de, old_bh)) == -ENOENT) {
+ /* old_de could have moved from under us during htree split, so
+ * make sure that we are deleting the right entry. We might
+ * also be pointing to a stale entry in the unused part of
+ * old_bh so just checking inum and the name isn't enough. */
struct buffer_head *old_bh2;
struct ext3_dir_entry_2 *old_de2;