fs/ntfs3: Use wait_on_buffer() directly

wait_on_buffer() checks buffer_locked() internally
before calling __wait_on_buffer().

Signed-off-by: Lalit Shankar Chowdhury <lalitshankarch@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

Author: lalitshankarch

fs/ntfs3/fsntfs.c

@@ -875,9 +875,7 @@ void ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait)
 			return;
 		}
 
-		if (buffer_locked(bh2))
-			__wait_on_buffer(bh2);
-
+		wait_on_buffer(bh2);
 		lock_buffer(bh2);
 		memcpy(bh2->b_data, bh1->b_data, blocksize);
 		set_buffer_uptodate(bh2);
@@ -1069,9 +1067,7 @@ int ntfs_sb_write(struct super_block *sb, u64 lbo, size_t bytes,
 				return -ENOMEM;
 		}
 
-		if (buffer_locked(bh))
-			__wait_on_buffer(bh);
-
+		wait_on_buffer(bh);
 		lock_buffer(bh);
 		if (buf) {
 			memcpy(bh->b_data + off, buf, op);
@@ -1347,8 +1343,8 @@ int ntfs_get_bh(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo,
 					err = -ENOMEM;
 					goto out;
 				}
-				if (buffer_locked(bh))
-					__wait_on_buffer(bh);
+
+				wait_on_buffer(bh);
 
 				lock_buffer(bh);
 				if (!buffer_uptodate(bh))
@@ -1427,9 +1423,7 @@ int ntfs_write_bh(struct ntfs_sb_info *sbi, struct NTFS_RECORD_HEADER *rhdr,
 		if (op > bytes)
 			op = bytes;
 
-		if (buffer_locked(bh))
-			__wait_on_buffer(bh);
-
+		wait_on_buffer(bh);
 		lock_buffer(bh);
 
 		bh_data = bh->b_data + off;

fs/ntfs3/index.c

@@ -252,9 +252,7 @@ static int bmp_buf_get(struct ntfs_index *indx, struct ntfs_inode *ni,
 
 	bbuf->bh = bh;
 
-	if (buffer_locked(bh))
-		__wait_on_buffer(bh);
-
+	wait_on_buffer(bh);
 	lock_buffer(bh);
 
 	sb = sbi->sb;

fs/ntfs3/super.c

@@ -1652,9 +1652,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 		 */
 		struct buffer_head *bh0 = sb_getblk(sb, 0);
 		if (bh0) {
-			if (buffer_locked(bh0))
-				__wait_on_buffer(bh0);
-
+			wait_on_buffer(bh0);
 			lock_buffer(bh0);
 			memcpy(bh0->b_data, boot2, sizeof(*boot2));
 			set_buffer_uptodate(bh0);