secret transaction system?
secret transaction system?
Posted Apr 1, 2023 5:08 UTC (Sat) by moxfyre (guest, #13847)In reply to: The curious case of O_DIRECTORY|O_CREAT by atnot
Parent article: The curious case of O_DIRECTORY|O_CREAT
> The only way you can guarantee that is to move the check into the kernel, where it can use the secret transaction system built into the filesystem to provide atomicity for your open call.
The Linux kernel contains a "secret transaction system" for filesystem operations…? By "secret", do you just mean that there's no API exposed to userspace to manage such transactions?
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