[PATCH 04/13] dax: Create local variable for VMA in dax_iomap_pte_fault()

[Jan Kara]

There are already two users and more are coming.

Signed-off-by: Jan Kara 
---
 fs/dax.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/dax.c b/fs/dax.c
index 1122356f8b88..75aa0d9fb39f 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1097,7 +1097,8 @@ 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;
@@ -1185,7 +1186,7 @@ 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);
-- 
2.12.3

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Re: [PATCH 04/13] dax: Create local variable for VMA in dax_iomap_pte_fault()

[Ross Zwisler]

On Thu, Aug 17, 2017 at 06:08:06PM +0200, Jan Kara wrote:
> There are already two users and more are coming.
> 
> Signed-off-by: Jan Kara 

Sure.

Reviewed-by: Ross Zwisler 
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Re: [PATCH 04/13] dax: Create local variable for VMA in dax_iomap_pte_fault()

[Christoph Hellwig]

Looks fine,

Reviewed-by: Christoph Hellwig 
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