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Message-ID: <20190620040156.GB15783@mit.edu> Date: Thu, 20 Jun 2019 00:01:56 -0400 From: "Theodore Ts'o" <tytso@....edu> To: Gabriel Krisman Bertazi <krisman@...labora.com> Cc: linux-ext4@...r.kernel.org, kernel@...labora.com Subject: Re: [PATCH] ext4: Optimize case-insensitive lookups On Mon, Jun 17, 2019 at 03:02:40PM -0400, Gabriel Krisman Bertazi wrote: > Temporarily cache a casefolded version of the file name under lookup in > ext4_filename, to avoid repeatedly casefolding it. I got up to 30% > speedup on lookups of large directories (>100k entries), depending on > the length of the string under lookup. > > v2: > - Dinamically allocate space for the casefolded version. > > Signed-off-by: Gabriel Krisman Bertazi <krisman@...labora.com> Thanks, applied. - Ted
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