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dax: Create local variable for VMA in dax_iomap_pte_fault()

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Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Ross Zwisler <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Jan Kara 2017-11-01 16:36:34 +01:00 • committed by Dan Williams
commit a0987ad5c5
1 changed files with 3 additions and 2 deletions
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5
fs/dax.c
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@ -1108,7 +1108,8 @@ static int dax_fault_return(int error)
static int dax_iomap_pte_fault(struct vm_fault *vmf,
const struct iomap_ops *ops)
{
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
struct vm_area_struct *vma = vmf->vma;
struct address_space *mapping = vma->vm_file->f_mapping;
struct inode *inode = mapping->host;
unsigned long vaddr = vmf->address;
loff_t pos = (loff_t)vmf->pgoff << PAGE_SHIFT;
@ -1196,7 +1197,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
case IOMAP_MAPPED:
if (iomap.flags & IOMAP_F_NEW) {
count_vm_event(PGMAJFAULT);
count_memcg_event_mm(vmf->vma->vm_mm, PGMAJFAULT);
count_memcg_event_mm(vma->vm_mm, PGMAJFAULT);
major = VM_FAULT_MAJOR;
}
error = dax_insert_mapping(vmf, &iomap, pos, entry);