linux-ext4 - Re: a question about ext4_fsblk

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Date:	Tue, 28 Nov 2006 17:13:35 -0800
From:	Mingming Cao <cmm@...ibm.com>
To:	guomingyang@...hpc.ac.cn
Cc:	linux-ext4 <linux-ext4@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: a question about ext4_fsblk_t


On Sun, 2006-10-22 at 16:50 +0800, guomingyang wrote:
> 
>    I also find many places where the block number type is not changed in namei.c and dir.c. Why? 

They are all file logical blocks, ext4_fsblk_t is for on disk blocks.

Takashi Sato has a patch to define all file logical blocks as
ext3_fileblk_t, it did not make to mainline before ext4 was forked.
Probably we should bring the to ext3/4 to clarify the confusions.

Mingming
>    Thank you to anyone who offer help
> >Hello everyone:
> >
> >		I am a student interesting in linux filesystem, I have a problem about the replace of block number type to ext4_fsblk_t. Is it complete? Or has it passed all the test? Because I have found a place like this in linux-2.6.19-rc2/fs/ext4/inode.c 
> >
> >
> >
> >+struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode,
> >+                               int block, int create, int *err)
> >
> >
> >the block's type is not changed. Although I think it will bring no mistake, I doubt about why not change it. Thank you !
> >


> >
> >guomingyang
> >
> >-
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> 
> guomingyang
> 
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