Re: [PATCH 1/4] e2fsck: Discard only unused parts of inode table

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On Mon, Mar 05, 2012 at 08:49:33AM +0100, Lukas Czerner wrote:
> @@ -435,6 +481,7 @@ static void check_inode_bitmaps(e2fsck_t ctx)
>  	int		skip_group = 0;
>  	int		redo_flag = 0;
>  	io_manager	manager = ctx->fs->io->manager;
> +	unsigned long long	first_free = fs->super->s_inodes_per_group + 1;

This doesn't need to be an unsigned long long; an "int" will do just
as well.

> +			/*
> +			 * If the last inode is free, we can discard it as well.
> +			 */
> +			if (inodes >= first_free)
> +				e2fsck_discard_inodes(ctx, group, first_free,
> +						      inodes - first_free + 1);

There's no guarantee the last inode is free here.  This needs to read:

			if (!bitmap && inodes >= first_free)

I'll fix this up in my version of the patches.

					- Ted
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