diff options
| -rw-r--r-- | fs/ext4/file.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index f8a631047379..953d519e799c 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -211,6 +211,13 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) /* Is this the right get_block? */ } +static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr, + pmd_t *pmd, unsigned int flags) +{ + return dax_pmd_fault(vma, addr, pmd, flags, ext4_get_block_write, + ext4_end_io_unwritten); +} + static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) { return dax_mkwrite(vma, vmf, ext4_get_block, ext4_end_io_unwritten); @@ -218,6 +225,7 @@ static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) static const struct vm_operations_struct ext4_dax_vm_ops = { .fault = ext4_dax_fault, + .pmd_fault = ext4_dax_pmd_fault, .page_mkwrite = ext4_dax_mkwrite, .pfn_mkwrite = dax_pfn_mkwrite, }; @@ -245,7 +253,7 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma) file_accessed(file); if (IS_DAX(file_inode(file))) { vma->vm_ops = &ext4_dax_vm_ops; - vma->vm_flags |= VM_MIXEDMAP; + vma->vm_flags |= VM_MIXEDMAP | VM_HUGEPAGE; } else { vma->vm_ops = &ext4_file_vm_ops; } |