Hi Fan,
> -Original Message-
> From: Fan Li [mailto:fanofcode...@samsung.com]
> Sent: Thursday, November 12, 2015 8:43 AM
> To: 'Jaegeuk Kim'
> Cc: linux-kernel@vger.kernel.org; linux-f2fs-de...@lists.sourceforge.net
> Subject: [f2fs-dev] [PATCH] f2fs: optimiz
1. Skip __reverse_ulong if the bitmap is empty.
2. Reduce branches and codes.
According to my test, the performance of this new version is 5% higher on
an empty bitmap of 64bytes, and remains about the same in the worst scenario.
Signed-off-by: Fan li
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fs/f2fs/segment.c | 46 ++
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