Re: 2.5.46 ext3 errors

Maciej Babinski (maciej@imsa.edu)
Wed, 6 Nov 2002 21:12:56 -0600


Since I've applied this patch, I can't reproduce the problem. Thanks!

Maciej

>
> Looks like we had some overeager cut-n-paste in the Orlov
> conversion.
>
> The per-blockgroup inode and directory accounting is being
> double-accounted for, and we're not journalling the updates...
>
> This should fix it up, but it is untested.
>
>
> --- 25/fs/ext3/ialloc.c~ext3-inodes-count-fix Wed Nov 6 16:16:55 2002
> +++ 25-akpm/fs/ext3/ialloc.c Wed Nov 6 16:24:20 2002
> @@ -227,11 +227,6 @@ static int find_group_dir(struct super_b
> }
> if (!best_desc)
> return -1;
> - best_desc->bg_free_inodes_count =
> - cpu_to_le16(le16_to_cpu(best_desc->bg_free_inodes_count) - 1);
> - best_desc->bg_used_dirs_count =
> - cpu_to_le16(le16_to_cpu(best_desc->bg_used_dirs_count) + 1);
> - mark_buffer_dirty(best_bh);
> return best_group;
> }
>
> @@ -355,14 +350,7 @@ fallback:
> }
>
> return -1;
> -
> found:
> - desc->bg_free_inodes_count =
> - cpu_to_le16(le16_to_cpu(desc->bg_free_inodes_count) - 1);
> - desc->bg_used_dirs_count =
> - cpu_to_le16(le16_to_cpu(desc->bg_used_dirs_count) + 1);
> - sbi->s_dir_count++;
> - mark_buffer_dirty(bh);
> return group;
> }
>
> @@ -410,9 +398,6 @@ static int find_group_other(struct super
> return -1;
>
> found:
> - desc->bg_free_inodes_count =
> - cpu_to_le16(le16_to_cpu(desc->bg_free_inodes_count) - 1);
> - mark_buffer_dirty(bh);
> return group;
> }
>
> @@ -521,9 +506,11 @@ repeat:
> if (err) goto fail;
> gdp->bg_free_inodes_count =
> cpu_to_le16(le16_to_cpu(gdp->bg_free_inodes_count) - 1);
> - if (S_ISDIR(mode))
> + if (S_ISDIR(mode)) {
> gdp->bg_used_dirs_count =
> cpu_to_le16(le16_to_cpu(gdp->bg_used_dirs_count) + 1);
> + EXT3_SB(sb)->s_dir_count++;
> + }
> BUFFER_TRACE(bh2, "call ext3_journal_dirty_metadata");
> err = ext3_journal_dirty_metadata(handle, bh2);
> if (err) goto fail;
>
> _
> -
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