diff --git a/kmod/src/data.c b/kmod/src/data.c
index 08e5fc09..1e4aa2a4 100644
--- a/kmod/src/data.c
+++ b/kmod/src/data.c
@@ -558,7 +558,7 @@ static int scoutfs_get_block(struct inode *inode, sector_t iblock,
 	u64 offset;
 	int ret;
 
-	WARN_ON_ONCE(create && !inode_is_locked(inode));
+	WARN_ON_ONCE(create && !rwsem_is_locked(&si->extent_sem));
 
 	/* make sure caller holds a cluster lock */
 	lock = scoutfs_per_task_get(&si->pt_data_lock);
@@ -1915,7 +1915,6 @@ static int scoutfs_data_page_mkwrite(struct vm_area_struct *vma,
 	int err;
 
 	sb_start_pagefault(sb);
-	inode_lock(inode);
 	down_write(&si->extent_sem);
 
 retry:
@@ -2008,7 +2007,6 @@ static int scoutfs_data_page_mkwrite(struct vm_area_struct *vma,
 	scoutfs_per_task_del(&si->pt_data_lock, &pt_ent);
 	scoutfs_unlock(sb, lock, SCOUTFS_LOCK_WRITE);
 	up_write(&si->extent_sem);
-	inode_unlock(inode);
 	if (scoutfs_data_wait_found(&dw)) {
 		ret = scoutfs_data_wait(inode, &dw);
 		if (ret == 0)