There are already two users and more are coming.
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/dax.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/dax.c b/fs/dax.c
index c09465884bbe..5ea71381dba0 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1116,6 +1116,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
struct iomap iomap = { 0 };
unsigned flags = IOMAP_FAULT;
int error, major = 0;
+ bool write = vmf->flags & FAULT_FLAG_WRITE;
int vmf_ret = 0;
void *entry;
@@ -1130,7 +1131,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
goto out;
}
- if ((vmf->flags & FAULT_FLAG_WRITE) && !vmf->cow_page)
+ if (write && !vmf->cow_page)
flags |= IOMAP_WRITE;
entry = grab_mapping_entry(mapping, vmf->pgoff, 0);
@@ -1207,7 +1208,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
break;
case IOMAP_UNWRITTEN:
case IOMAP_HOLE:
- if (!(vmf->flags & FAULT_FLAG_WRITE)) {
+ if (!write) {
vmf_ret = dax_load_hole(mapping, entry, vmf);
goto finish_iomap;
}
--
2.12.3
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