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Re: Re: Re: Re: Re: Access content of file via inodes

> A buffer head (struct buffer_head) contains pointer to data block in memory (char * b_data). A page has number of buffers mapped to it. So its like :
> 
> list
>  |     _________________        _______________
>  ---> |                 | ---> |               | --->
>       |  Buffer Head 0  |      | Buffer Head 0 |  NULL
>       |_________________|      |_______________|
>       |                 |      |               |
>       |  Buffer Head 1  |      | Buffer Head 1 |
>       |_________________|      |_______________|
>       |                 |      |               |
>       |     ...         |      |    ...        |
>       |_________________|      |_______________|
>       |                 |      |               |
>       |  Buffer Head n  |      | Buffer Head m |
>       |_________________|      |_______________|
> 
>            Page 0                  Page 1
> 
> Actual data is pointed to by buffer heads.
> So just marking the buffer dirty and syncing it will do your job.

Ah, I understood that immediately. Thank you so much.

Kathy

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