diff options
| -rw-r--r-- | fs/ext3/balloc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c index db1906b4e39c..153242187fce 100644 --- a/fs/ext3/balloc.c +++ b/fs/ext3/balloc.c @@ -2127,10 +2127,15 @@ int ext3_trim_fs(struct super_block *sb, struct fstrim_range *range) if (free_blocks < minlen) continue; - if (len >= EXT3_BLOCKS_PER_GROUP(sb)) - len -= (EXT3_BLOCKS_PER_GROUP(sb) - first_block); - else + /* + * For all the groups except the last one, last block will + * always be EXT3_BLOCKS_PER_GROUP(sb), so we only need to + * change it for the last group in which case first_block + + * len < EXT3_BLOCKS_PER_GROUP(sb). + */ + if (first_block + len < EXT3_BLOCKS_PER_GROUP(sb)) last_block = first_block + len; + len -= last_block - first_block; ret = ext3_trim_all_free(sb, group, first_block, last_block, minlen); |