[PATCH 04/13] dax: Create local variable for VMA in dax_iomap_pte_fault()
From: Jan Kara <hidden>
Date: 2017-08-17 16:08:28
Also in:
linux-fsdevel, linux-xfs, nvdimm
Subsystem:
filesystem direct access (dax), filesystems (vfs and infrastructure), the rest · Maintainers:
Dan Williams, Alexander Viro, Christian Brauner, Linus Torvalds
There are already two users and more are coming. Signed-off-by: Jan Kara <redacted> --- 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