From 053f9bcdda2a11ccdc168e885bf4f04a034d947f Mon Sep 17 00:00:00 2001
From: AngryProton <38059101+AngryProton@users.noreply.github.com>
Date: Mon, 29 Dec 2025 14:44:01 +0800
Subject: [PATCH] =?UTF-8?q?[fix][blk]=E8=A7=A3=E5=86=B3=E5=9D=97=E8=AE=BE?=
 =?UTF-8?q?=E5=A4=87=E5=86=99=E5=85=A5=E4=B8=8D=E5=AF=B9=E9=BD=90=E6=95=B0?=
 =?UTF-8?q?=E6=8D=AE=E5=A4=B1=E8=B4=A5=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 components/drivers/block/blk_dfs.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/components/drivers/block/blk_dfs.c b/components/drivers/block/blk_dfs.c
index 96800e15643..adc6a81e466 100644
--- a/components/drivers/block/blk_dfs.c
+++ b/components/drivers/block/blk_dfs.c
@@ -175,14 +175,18 @@ static ssize_t blk_fops_write(struct dfs_file *file, const void *buf, size_t cou
     if ((count - wsize) / bytes_per_sector != 0)
     {
         res = rt_device_write(dev, blk_pos, buf + wsize, (count - wsize) / bytes_per_sector);
-        wsize += res * bytes_per_sector;
-        blk_pos += res;
 
         if (res != (count - wsize) / bytes_per_sector)
         {
+            wsize += res * bytes_per_sector;
             *pos += wsize;
             return wsize;
         }
+        else
+        {
+            wsize += res * bytes_per_sector;
+            blk_pos += res;
+        }
     }
 
     /*