Impl syscalls and change some interfaces for pass os comp’s final online tests #48
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…t4's truncate's temporary implement
… comp's all tests
Fix page cache's bug, add size check in read function. Add page cache's base operations for ext4, but the cachepage will not be dropped until kernel stop, so we need to call fsync function manually, consider use some strategy such as LRU.
temporary write back by timer, when write function is called, check if the time since the last write back is greater than 10 seconds. If it is, then write back.
SMS-Derfflinger
requested review from
greatbridf and
joey-shao
and removed request for
greatbridf
joey-shao
approved these changes
Aug 17, 2025
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Impl syscalls and change some interfaces for pass os comp’s final online tests, this is done based on #42.