diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 719404e0d03d..e74ef596dc27 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -692,14 +692,10 @@ int bdi_set_min_ratio(struct backing_dev_info *bdi, unsigned int min_ratio) return ret; } -int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned max_ratio) +static int __bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio) { int ret = 0; - if (max_ratio > 100) - return -EINVAL; - max_ratio *= BDI_RATIO_SCALE; - spin_lock_bh(&bdi_lock); if (bdi->min_ratio > max_ratio) { ret = -EINVAL; @@ -711,6 +707,14 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned max_ratio) return ret; } + +int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio) +{ + if (max_ratio > 100) + return -EINVAL; + + return __bdi_set_max_ratio(bdi, max_ratio * BDI_RATIO_SCALE); +} EXPORT_SYMBOL(bdi_set_max_ratio); u64 bdi_get_max_bytes(struct backing_dev_info *bdi) |