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-rw-r--r--fs/ext4/extents.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 451b92a9958a..e003a1e81dc3 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5396,6 +5396,14 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
loff_t new_size, ioffset;
int ret;
+ /*
+ * We need to test this early because xfstests assumes that a
+ * collapse range of (0, 1) will return EOPNOTSUPP if the file
+ * system does not support collapse range.
+ */
+ if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
+ return -EOPNOTSUPP;
+
/* Collapse range works only on fs block size aligned offsets. */
if (offset & (EXT4_CLUSTER_SIZE(sb) - 1) ||
len & (EXT4_CLUSTER_SIZE(sb) - 1))