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A comment on Linux's fsync() woes are getting some attention. Parent comment
It's per file, but also, it's (necessarily) the in-core state of that file, as a Linux man page says.
So if you do a write on one thread, wait for that write to complete, and then signal another thread to do an fsync, I don't really know what happens.
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It's per file, but also, it's (necessarily) the in-core state of that file, as a Linux man page says.
So if you do a write on one thread, wait for that write to complete, and then signal another thread to do an fsync, I don't really know what happens.