diff options
Diffstat (limited to 'fs/ocfs2/alloc.c')
| -rw-r--r-- | fs/ocfs2/alloc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index dc7411fe185d..8750ae1b8636 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -7260,14 +7260,8 @@ int ocfs2_trim_fs(struct super_block *sb, struct fstrim_range *range) start = range->start >> osb->s_clustersize_bits; len = range->len >> osb->s_clustersize_bits; minlen = range->minlen >> osb->s_clustersize_bits; - trimmed = 0; - - if (!len) { - range->len = 0; - return 0; - } - if (minlen >= osb->bitmap_cpg) + if (minlen >= osb->bitmap_cpg || range->len < sb->s_blocksize) return -EINVAL; main_bm_inode = ocfs2_get_system_file_inode(osb, @@ -7293,6 +7287,7 @@ int ocfs2_trim_fs(struct super_block *sb, struct fstrim_range *range) goto out_unlock; } + len = range->len >> osb->s_clustersize_bits; if (start + len > le32_to_cpu(main_bm->i_clusters)) len = le32_to_cpu(main_bm->i_clusters) - start; @@ -7307,6 +7302,7 @@ int ocfs2_trim_fs(struct super_block *sb, struct fstrim_range *range) last_group = ocfs2_which_cluster_group(main_bm_inode, start + len - 1); last_bit = osb->bitmap_cpg; + trimmed = 0; for (group = first_group; group <= last_group;) { if (first_bit + len >= osb->bitmap_cpg) last_bit = osb->bitmap_cpg; |