diff options
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 12 |
1 files changed, 5 insertions, 7 deletions
@@ -478,7 +478,7 @@ void dax_wake_mapping_entry_waiter(struct address_space *mapping, } } -static void unlock_mapping_entry(struct address_space *mapping, pgoff_t index) +void dax_unlock_mapping_entry(struct address_space *mapping, pgoff_t index) { void *ret, **slot; @@ -501,7 +501,7 @@ static void put_locked_mapping_entry(struct address_space *mapping, unlock_page(entry); put_page(entry); } else { - unlock_mapping_entry(mapping, index); + dax_unlock_mapping_entry(mapping, index); } } @@ -884,12 +884,10 @@ int __dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf, goto unlock_entry; if (!radix_tree_exceptional_entry(entry)) { vmf->page = entry; - } else { - unlock_mapping_entry(mapping, vmf->pgoff); - i_mmap_lock_read(mapping); - vmf->page = NULL; + return VM_FAULT_LOCKED; } - return VM_FAULT_LOCKED; + vmf->entry = entry; + return VM_FAULT_DAX_LOCKED; } if (!buffer_mapped(&bh)) { |