linux-ext4 - Re: [PATCH 4/4][e2fsprogs] New bitmap and inode table allocation for FLEX

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Message-ID: <46B2CBB8.8070007@linux.vnet.ibm.com>
Date:	Fri, 03 Aug 2007 12:01:20 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	"Jose R. Santos" <jrs@...ibm.com>
CC:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 4/4][e2fsprogs] New bitmap and inode table allocation
 for FLEX_BG



Jose R. Santos wrote:
> From: Jose R. Santos <jrs@...ibm.com>
> 
> Ne
> +	case ALLOC_INODE_TABLES:
> +		for (i=0, blk=new_blk; i < count; i++, blk++) {

I guess you can drop the blk update in the for() loop above. 

> +			retval = ext2fs_get_free_blocks(fs, start_blk, last_blk,
> +							fs->inode_blocks_per_group,
> +							bmap, &new_blk);
> +			if (retval)
> +				return retval;
> +			for (j=0, blk = new_blk;
> +			     j < fs->inode_blocks_per_group; j++, blk++)
> +				ext2fs_mark_block_bitmap(bmap, blk);
> +			fs->group_desc[group+i].bg_inode_table = new_blk;
> +		}
> +		break;
> +
> +	}
> +	return 0;
> +}
> +
> +
> +
> +errcode_t ext2fs_allocate_flex_groups(ext2_filsys fs)
> +{
> +	errcode_t	retval;
> +	blk_t		start, last, j, blocks;
> +	dgrp_t		i, k;
> +	int		gpm;
> +
> +	gpm = GROUPS_PER_FLEXBG;
> +	blocks = 0;
> +
> +	for (i = 0; i < fs->group_desc_count; i=i+gpm) {
> +		if (i == 0 )
> +			start = ext2fs_group_first_block(fs,
> +							 FIRST_METADATA_GROUP);
> +		else
> +			start = ext2fs_group_first_block(fs, i);
> +
> +		if (i+gpm-1 > fs->group_desc_count) {
		

		if (i+gpm >= fs->group_desc_count) 


> +			last = ext2fs_group_last_block(fs, fs->group_desc_count);
> +			gpm = fs->group_desc_count - i;
> +		}


-aneesh
-
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