Commit bb480760 authored by Jan Kara's avatar Jan Kara
Browse files

ext4: add pre-content fsnotify hook for DAX faults 



ext4 has its own handling for DAX faults. Add the pre-content fsnotify
hook for this case.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent b722e40b

fs/ext4/file.c

+3 −0
Original line number Diff line number Diff line
@@ -756,6 +756,9 @@ 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);