linux-kernel - Re: [PATCH V2 11/16] Squashfs: block operations

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Date:	Mon, 3 Nov 2008 17:11:56 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	Phillip Lougher <phillip@...gher.demon.co.uk>
Cc:	akpm@...ux-foundation.org, linux-embedded@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	tim.bird@...sony.com
Subject: Re: [PATCH V2 11/16] Squashfs: block operations

Hi.

On Wed, Oct 29, 2008 at 01:49:56AM +0000, Phillip Lougher (phillip@...gher.demon.co.uk) wrote:
> +int squashfs_read_data(struct super_block *sb, void *buffer,
> +			long long index, int length, long long *next_index,
> +			int srclength)
> +{
> +	struct squashfs_sb_info *msblk = sb->s_fs_info;
> +	struct buffer_head **bh;
> +	int offset = index & ((1 << msblk->devblksize_log2) - 1);
> +	long long cur_index = index >> msblk->devblksize_log2;
> +	int avail, bytes, compressed, b = 0, k = 0;
> +	int c_byte = length;
> +
> +	bh = kcalloc((msblk->block_size >> msblk->devblksize_log2) + 1,
> +				sizeof(*bh), GFP_KERNEL);

Could be great to have a memory pool though...

-- 
	Evgeniy Polyakov
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