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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2016-09-05 18:20:21 -0800 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2016-09-05 18:20:21 -0800 |
| commit | 837a476cc139167fc483016f0a2635a048f7709e (patch) | |
| tree | 660c4b01cbc48665445a8a2e9e3bda8815bfc5eb | |
| parent | 580ec0497a545bb52de204023928d4939dd14eb4 (diff) | |
bucket size must be a power of two
| -rw-r--r-- | libbcache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libbcache.c b/libbcache.c index c278277..f17bd4a 100644 --- a/libbcache.c +++ b/libbcache.c @@ -90,6 +90,8 @@ void bcache_format(struct dev_opts *devs, size_t nr_devs, unsigned scale = max(1U, ilog2(i->size / min_size(i->bucket_size)) / 4); + scale = rounddown_pow_of_two(scale); + /* max bucket size 1 mb */ i->bucket_size = min(i->bucket_size * scale, 1U << 11); } else { |