btrfs: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>

1 files changed, 8 insertions, 8 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a55fbe6252de..2862454bcdb3 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2546,10 +2546,10 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
 
                 if (zero_offset) {
                         iosize = PAGE_CACHE_SIZE - zero_offset;
-                        userpage = kmap_atomic(page, KM_USER0);
+                        userpage = kmap_atomic(page);
                         memset(userpage + zero_offset, 0, iosize);
                         flush_dcache_page(page);
-                        kunmap_atomic(userpage, KM_USER0);
+                        kunmap_atomic(userpage);
                 }
         }
         while (cur <= end) {
@@ -2558,10 +2558,10 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
                         struct extent_state *cached = NULL;
 
                         iosize = PAGE_CACHE_SIZE - pg_offset;
-                        userpage = kmap_atomic(page, KM_USER0);
+                        userpage = kmap_atomic(page);
                         memset(userpage + pg_offset, 0, iosize);
                         flush_dcache_page(page);
-                        kunmap_atomic(userpage, KM_USER0);
+                        kunmap_atomic(userpage);
                         set_extent_uptodate(tree, cur, cur + iosize - 1,
                                             &cached, GFP_NOFS);
                         unlock_extent_cached(tree, cur, cur + iosize - 1,
@@ -2607,10 +2607,10 @@ static int __extent_read_full_page(struct extent_io_tree *tree,
                         char *userpage;
                         struct extent_state *cached = NULL;
 
-                        userpage = kmap_atomic(page, KM_USER0);
+                        userpage = kmap_atomic(page);
                         memset(userpage + pg_offset, 0, iosize);
                         flush_dcache_page(page);
-                        kunmap_atomic(userpage, KM_USER0);
+                        kunmap_atomic(userpage);
 
                         set_extent_uptodate(tree, cur, cur + iosize - 1,
                                             &cached, GFP_NOFS);
@@ -2756,10 +2756,10 @@ static int __extent_writepage(struct page *page, struct writeback_control *wbc,
         if (page->index == end_index) {
                 char *userpage;
 
-                userpage = kmap_atomic(page, KM_USER0);
+                userpage = kmap_atomic(page);
                 memset(userpage + pg_offset, 0,
                        PAGE_CACHE_SIZE - pg_offset);
-                kunmap_atomic(userpage, KM_USER0);
+                kunmap_atomic(userpage);
                 flush_dcache_page(page);
         }
         pg_offset = 0;