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-rw-r--r--fs/ext4/extents.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d6bca2a1debe..01b0c208f625 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5406,6 +5406,9 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
if (!S_ISREG(inode->i_mode))
return -EINVAL;
+ if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1)
+ return -EOPNOTSUPP;
+
trace_ext4_collapse_range(inode, offset, len);
punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);