f2fs: use __set{__clear}_bit_le

This patch uses __set{__clear}_bit_le for highter speed.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 4650c9b..8d5c62b 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -750,7 +750,7 @@
 	dentry_blk = page_address(page);
 	bit_pos = dentry - dentry_blk->dentry;
 	for (i = 0; i < slots; i++)
-		clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
+		__clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap);
 
 	/* Let's check and deallocate this dentry page */
 	bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap,
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index a0a060c..8c81ff6 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -339,7 +339,7 @@
 	__set_nat_cache_dirty(nm_i, e);
 
 	if (enabled_nat_bits(sbi, NULL) && new_blkaddr == NEW_ADDR)
-		clear_bit_le(NAT_BLOCK_OFFSET(ni->nid), nm_i->empty_nat_bits);
+		__clear_bit_le(NAT_BLOCK_OFFSET(ni->nid), nm_i->empty_nat_bits);
 
 	/* update fsync_mark if its inode nat entry is still alive */
 	if (ni->nid != ni->ino)
@@ -1834,9 +1834,9 @@
 		return;
 
 	if (set)
-		set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
+		__set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
 	else
-		clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
+		__clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);
 }
 
 static void scan_nat_page(struct f2fs_sb_info *sbi,
@@ -1848,7 +1848,7 @@
 	unsigned int nat_ofs = NAT_BLOCK_OFFSET(start_nid);
 	int i;
 
-	set_bit_le(nat_ofs, nm_i->nat_block_bitmap);
+	__set_bit_le(nat_ofs, nm_i->nat_block_bitmap);
 
 	i = start_nid % NAT_ENTRY_PER_BLOCK;
 
@@ -2403,16 +2403,16 @@
 			valid++;
 	}
 	if (valid == 0) {
-		set_bit_le(nat_index, nm_i->empty_nat_bits);
-		clear_bit_le(nat_index, nm_i->full_nat_bits);
+		__set_bit_le(nat_index, nm_i->empty_nat_bits);
+		__clear_bit_le(nat_index, nm_i->full_nat_bits);
 		return;
 	}
 
-	clear_bit_le(nat_index, nm_i->empty_nat_bits);
+	__clear_bit_le(nat_index, nm_i->empty_nat_bits);
 	if (valid == NAT_ENTRY_PER_BLOCK)
-		set_bit_le(nat_index, nm_i->full_nat_bits);
+		__set_bit_le(nat_index, nm_i->full_nat_bits);
 	else
-		clear_bit_le(nat_index, nm_i->full_nat_bits);
+		__clear_bit_le(nat_index, nm_i->full_nat_bits);
 }
 
 static void __flush_nat_entry_set(struct f2fs_sb_info *sbi,