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Kernel: Update atime/ctime/mtime timestamps atomically

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Instead of having three separate APIs (one for each timestamp),
there's now only Inode::update_timestamps() and it takes 3x optional
timestamps. The non-empty timestamps are updated while holding the inode
mutex, and the outside world no longer has to look at intermediate
timestamp states.
This commit is contained in:
Andreas Kling 2022-08-22 13:34:22 +02:00
parent 35b2e9c663
commit 280694bb46
18 changed files with 34 additions and 109 deletions
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Kernel/FileSystem/SysFS/Subsystems/Firmware/PowerStateSwitch.h
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@ -27,7 +27,6 @@ public:
virtual mode_t permissions() const override;
virtual ErrorOr<size_t> write_bytes(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*) override;
virtual ErrorOr<void> truncate(u64) override;
virtual ErrorOr<void> set_mtime(time_t) override { return {}; }
private:
PowerStateSwitchNode(FirmwareSysFSDirectory&);