diff options
| author | Noctis Ackerman <noctis.akm@gmail.com> | 2018-12-06 23:04:05 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-02 14:30:26 +0200 |
| commit | 6b97f43fee3117f8f49c79830c0771399dba75e1 (patch) | |
| tree | 7db5a0672db7e46d36752af928b0ab115c717829 /fs | |
| parent | e74405332aadff45a0b1df198810fe6d55d58482 (diff) | |
fs: sdfat: Fix frag_ratio formula
When there is no full au in AMAP, if we use the number of non-clean au
divides fsi->used_clusters * CLUS_PER_AU(sb), the frag_ratio is always
smaller than (or equal with) 100%, which is not right.
Actually, frag_ratio should be the the ratio that non-clean aus divides
the number of aus if all used_clusters are contiguous.
Change-Id: I7c26422f5145c3bd97b9dbfcde133972ce51f1d4
Signed-off-by: Noctis Ackerman <noctis.akm@gmail.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/sdfat/dfr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/sdfat/dfr.c b/fs/sdfat/dfr.c index 2853fe425..abb4710b4 100644 --- a/fs/sdfat/dfr.c +++ b/fs/sdfat/dfr.c @@ -1248,7 +1248,7 @@ defrag_check_defrag_required( frag_ratio = ((amap->n_au - amap->n_clean_au) * 100) / amap->n_full_au; else frag_ratio = ((amap->n_au - amap->n_clean_au) * 100) / - (fsi->used_clusters * CLUS_PER_AU(sb)); + (fsi->used_clusters / CLUS_PER_AU(sb) + 1); /* * Wake-up defrag_daemon: |