ext4 has its own handling for DAX faults. Add the pre-content fsnotify
hook for this case.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext4/file.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index f14aed14b9cf..07946bf67944 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -737,6 +737,9 @@ static vm_fault_t ext4_dax_huge_fault(struct vm_fault *vmf, unsigned int order)
return VM_FAULT_SIGBUS;
}
} else {
+ result = filemap_fsnotify_fault(vmf);
+ if (unlikely(result))
+ return result;
filemap_invalidate_lock_shared(mapping);
}
result = dax_iomap_fault(vmf, order, &pfn, &error, &ext4_iomap_ops);
--
2.35.3
