X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=fs%2Fext4%2Fextents.c;h=01b0c208f62507e12f50ddd4fd3669972797f823;hb=0a04b248532b358b27a8da050642da6f5f304b03;hp=d6bca2a1debed87bd0bcb278937310a2e5393241;hpb=a8680e0d5efd46aa54d7085e5b4a268f726922c7;p=linux-2.6-microblaze.git

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);