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-rw-r--r--fs/ocfs2/ioctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 4de6a2af592f..8ca3c29accbf 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -980,6 +980,8 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (copy_from_user(&range, argp, sizeof(range)))
return -EFAULT;
+ range.minlen = max_t(u64, q->limits.discard_granularity,
+ range.minlen);
ret = ocfs2_trim_fs(sb, &range);
if (ret < 0)
return ret;