Messages in this thread Patch in this message | | | From | Dmitry Voytik <> | Subject | [PATCH] fs: seq_file: optimize seq_pad() | Date | Wed, 10 Sep 2014 13:20:19 +0400 |
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Use seq_putc() instead of seq_printf() in seq_pad() because the former is faster.
Signed-off-by: Dmitry Voytik <voytikd@gmail.com> --- fs/seq_file.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/seq_file.c b/fs/seq_file.c index 3857b72..fef338e 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -787,8 +787,10 @@ EXPORT_SYMBOL(seq_write); void seq_pad(struct seq_file *m, char c) { int size = m->pad_until - m->count; - if (size > 0) - seq_printf(m, "%*s", size, ""); + + while (size-- > 0) + if (unlikely(seq_putc(m, ' '))) + return; if (c) seq_putc(m, c); } -- 1.9.1
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