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Subject: Re: JFFS2 file address space  operation
From: Richard Purdie <rpurdie@rpsys.net>
To: Amit Kumar Sharma <sharma.amit@samsung.com>
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Date: Tue, 08 Aug 2006 17:38:28 +0100
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On Tue, 2006-08-08 at 19:08 +0900, Amit Kumar Sharma wrote:
> I find mmap operation for file failed in JFFS2, I find Jffs2 does not
> support writepage in JFFS2 file address operation .I would like to know
> reason for not supporting writepage operation for file address operation.

JFFS2 supports compression so there often isn't anything you can mmap
directly.

Richard