erofs: shouldn't churn the mapping page for duplicated copies

[linux-block.git] / fs / erofs / zdata.h

diff --git a/fs/erofs/zdata.h b/fs/erofs/zdata.h
index e7f04c4fbb81c5742915f5120d5e198efce62218..d98c952129852a95759cfca43e2b0ac3340f3fe6 100644 (file)
--- a/fs/erofs/zdata.h
+++ b/fs/erofs/zdata.h
@@ -126,10 +126,10 @@ static inline unsigned int z_erofs_pclusterpages(struct z_erofs_pcluster *pcl)
 }
 
 /*
- * bit 31: I/O error occurred on this page
- * bit 0 - 30: remaining parts to complete this page
+ * bit 30: I/O error occurred on this page
+ * bit 0 - 29: remaining parts to complete this page
  */
-#define Z_EROFS_PAGE_EIO                       (1 << 31)
+#define Z_EROFS_PAGE_EIO                       (1 << 30)
 
 static inline void z_erofs_onlinepage_init(struct page *page)
 {