Merge branch 'change_blocklevel_calc' into 'master'

Changed for_bytes method for BlockLevel. See merge request redox-os/redoxfs!79
2024-10-26 01:25:11 +00:00
parent ab371cff49 56e66993af
commit d8950b52c2
1 changed files with 6 additions and 5 deletions
@@ -48,12 +48,13 @@ pub struct BlockLevel(pub(crate) usize);

 impl BlockLevel {
    pub(crate) fn for_bytes(bytes: u64) -> Self {
-        //TODO: optimize
-        let mut level = BlockLevel(0);
-        while level.bytes() < bytes {
-            level.0 += 1;
+        if bytes == 0 {
+            return BlockLevel(0);
        }
-        level
+        let level = bytes.div_ceil(BLOCK_SIZE)
+            .next_power_of_two()
+            .trailing_zeros() as usize;
+        BlockLevel(level)
    }

    pub fn blocks(self) -> i64 {