linux-ext4 - Re: [PATCH 1/4] ext4: don't bother checking for encryption key in ->mmap()

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Message-ID: <20170623234627.ok4ge3lldrieknq4@thunk.org>
Date:   Fri, 23 Jun 2017 19:46:27 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     Eric Biggers <ebiggers3@...il.com>
Cc:     linux-fscrypt@...r.kernel.org, Jaegeuk Kim <jaegeuk@...nel.org>,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-mtd@...ts.infradead.org, Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH 1/4] ext4: don't bother checking for encryption key in
 ->mmap()

On Mon, May 22, 2017 at 05:39:42PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Since only an open file can be mmap'ed, and we only allow open()ing an
> encrypted file when its key is available, there is no need to check for
> the key again before permitting each mmap().
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>

Thanks, applied.

					- Ted