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[blk] 解决块设备写入不对齐数据失败的问题 #11103

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Merged
Rbb666 merged 2 commits into from
Jan 12, 2026
+4 −2
Merged

[blk] 解决块设备写入不对齐数据失败的问题 #11103

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053f9bc
[fix][blk]解决块设备写入不对齐数据失败的问题
AngryProton Dec 29, 2025
5808b6a
[chg]删除冗余的else代码块
AngryProton Jan 6, 2026
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8 changes: 6 additions & 2 deletions components/drivers/block/blk_dfs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
}
}

/*
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