erofs: expand clear_and_wake_up_bit

Signed-off-by: wulan17 <wulan17@nusantararom.org>
xiaomi-mt6765-devs · Feb 2, 2024 · 1607b24 · 1607b24
1 parent db56f1e
commit 1607b24
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
@@ -147,7 +147,10 @@ static int init_inode_xattrs(struct inode *inode)
 	set_bit(EROFS_I_EA_INITED_BIT, &vi->flags);
 
 out_unlock:
-	clear_and_wake_up_bit(EROFS_I_BL_XATTR_BIT, &vi->flags);
+	clear_bit_unlock(EROFS_I_BL_XATTR_BIT, &vi->flags);
+	/* See wake_up_bit() for which memory barrier you need to use. */
+	smp_mb__after_atomic();
+	wake_up_bit(&vi->flags, EROFS_I_BL_XATTR_BIT);
 	return ret;
 }