[PATCH v2] xen/blkback: use kmap_local_page()

[flyingpenghao]

From: Peng Hao <flyingp...@tencent.com>

Use kmap_local_page() instead of kmap_atomic() which has been
deprecated.

Signed-off-by: Peng Hao <flyingp...@tencent.com>
---
 drivers/block/xen-blkback/blkback.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/xen-blkback/blkback.c 
b/drivers/block/xen-blkback/blkback.c
index 4defd7f387c7..09503e269842 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -937,8 +937,8 @@ static int xen_blkbk_parse_indirect(struct blkif_request 
*req,
                if ((n % SEGS_PER_INDIRECT_FRAME) == 0) {
                        /* Map indirect segments */
                        if (segments)
-                               kunmap_atomic(segments);
-                       segments = 
kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
+                               kunmap_local(segments);
+                       segments = 
kmap_local_page(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
                }
                i = n % SEGS_PER_INDIRECT_FRAME;
 
@@ -958,7 +958,7 @@ static int xen_blkbk_parse_indirect(struct blkif_request 
*req,
 
 unmap:
        if (segments)
-               kunmap_atomic(segments);
+               kunmap_local(segments);
        xen_blkbk_unmap(ring, pages, indirect_grefs);
        return rc;
 }
-- 
2.31.1