[PATCH] bcache: Optimize sysfs_hprint()
From: Christophe JAILLET
Date: Sun Oct 29 2023 - 06:30:23 EST
The size of what is in 'buf' is already computed by bch_hprint(), so skip
these bytes when calling strcat().
This easily saves a few cycles. (should it matter)
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/md/bcache/sysfs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h
index 65b8bd975ab1..798bcbeab0bb 100644
--- a/drivers/md/bcache/sysfs.h
+++ b/drivers/md/bcache/sysfs.h
@@ -78,7 +78,7 @@ do { \
do { \
if (attr == &sysfs_ ## file) { \
ssize_t ret = bch_hprint(buf, val); \
- strcat(buf, "\n"); \
+ strcat(buf + ret, "\n"); \
return ret + 1; \
} \
} while (0)
--
2.34.1