添加pread&pwrite #528
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添加pread&pwrite #528
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fslongjin
requested changes
Feb 19, 2024
kernel/src/filesystem/vfs/file.rs
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| len: usize, | ||
| buf: &mut [u8], | ||
| ) -> Result<usize, SystemError> { | ||
| self.readable()?; |
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这里面的逻辑可以抽象成fn do_read(...., update_offset: bool)函数，然后read和pread都调用这个. write同理。这样减少冗余代码。
fslongjin
approved these changes
Feb 19, 2024
Chiichen
approved these changes
Feb 19, 2024
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SYS_FCHOWN和SYS_FSYNC我觉得暂时实现不了，就没弄