diff mbox

DAX: bug in COW no page fault?

Message ID 56ABDBC7.5030703@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jared Hulbert Jan. 29, 2016, 9:38 p.m. UTC 
Why isn't this required?

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diff mbox

Patch

diff --git a/fs/dax.c b/fs/dax.c
index a7f77e1..30f2abe 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -416,6 +416,7 @@  int __dax_fault(struct vm_area_struct *vma, struct vm_fault
                                error = -EIO;
                                goto out;
                        }
+                       i_mmap_unlock_read(mapping);
                }
                return VM_FAULT_LOCKED;
        }