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-rw-r--r--drivers/md/bcache/sysfs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 482b128b3e9d..557a8a3270a1 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -267,7 +267,8 @@ STORE(__cached_dev)
d_strtoul(writeback_running);
d_strtoul(writeback_delay);
- sysfs_strtoul_clamp(writeback_percent, dc->writeback_percent, 0, 40);
+ sysfs_strtoul_clamp(writeback_percent, dc->writeback_percent,
+ 0, bch_cutoff_writeback);
if (attr == &sysfs_writeback_rate) {
ssize_t ret;