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Open Source and information security mailing list archives
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Date: Mon, 13 Jan 2020 14:31:09 -0500 From: "Theodore Y. Ts'o" <tytso@....edu> To: Eric Biggers <ebiggers@...nel.org> Cc: linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org Subject: Re: [PATCH] fscrypt: optimize fscrypt_zeroout_range() On Thu, Dec 26, 2019 at 10:08:13AM -0600, Eric Biggers wrote: > From: Eric Biggers <ebiggers@...gle.com> > > Currently fscrypt_zeroout_range() issues and waits on a bio for each > block it writes, which makes it very slow. > > Optimize it to write up to 16 pages at a time instead. > > Also add a function comment, and improve reliability by allowing the > allocations of the bio and the first ciphertext page to wait on the > corresponding mempools. > > Signed-off-by: Eric Biggers <ebiggers@...gle.com> Looks good, feel free to add: Reviewed-by: Theodore Ts'o <tytso@....edu>
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