btrfs: sink gfp parameter to clear_extent_dirty

Callers pass GFP_NOFS. No need to pass the flags around.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3bc88b4..263823f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4392,7 +4392,7 @@
 		if (ret)
 			break;
 
-		clear_extent_dirty(unpin, start, end, GFP_NOFS);
+		clear_extent_dirty(unpin, start, end);
 		btrfs_error_unpin_extent_range(root, start, end);
 		cond_resched();
 	}
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b1c6d76..61b3dd2 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6408,7 +6408,7 @@
 			ret = btrfs_discard_extent(root, start,
 						   end + 1 - start, NULL);
 
-		clear_extent_dirty(unpin, start, end, GFP_NOFS);
+		clear_extent_dirty(unpin, start, end);
 		unpin_extent_range(root, start, end, true);
 		mutex_unlock(&fs_info->unused_bg_unpin_mutex);
 		cond_resched();
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index b7c258c..9e987ee 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -279,11 +279,11 @@
 }
 
 static inline int clear_extent_dirty(struct extent_io_tree *tree, u64 start,
-		u64 end, gfp_t mask)
+		u64 end)
 {
 	return clear_extent_bit(tree, start, end,
 				EXTENT_DIRTY | EXTENT_DELALLOC |
-				EXTENT_DO_ACCOUNTING, 0, 0, NULL, mask);
+				EXTENT_DO_ACCOUNTING, 0, 0, NULL, GFP_NOFS);
 }
 
 int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,