Re: i_mapping and i_data question

From: Tigran Aivazian (tigran@sco.COM)
Date: Fri Feb 25 2000 - 11:05:46 EST

On Fri, 25 Feb 2000, Chris Mason wrote:
> Do you want to make sure get_block is called, or do you want to make sure
> the data in the pages isn't used anymore? If the data in the page is
> still valid, but the block locations on disk have changed, I think you
> should be able to use something similar to the unmap_buffer() call in
> fs/buffer.c.
> In reiserfs, I'm using this to force a call to get_block for writing to
> that offset, but allowing the page cache to keep the data for reads.

suppose for simplicity that I don't care if the valid data in page cache
gets invalidated (in 0th approximation). Can't I just use
invalidate_inode_pages(inode) to force get_block() called?


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