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Emmanuel T Odeke authored
As reported in #26650 and also cautioned on the man page for fsync on OS X, fsync doesn't properly flush content to permanent storage, and might cause corruption of data if the OS crashes or if the drive loses power. Thus it is recommended to use the F_FULLFSYNC fcntl, which flushes all buffered data to permanent storage and is important for applications such as databases that require a strict ordering of writes. Also added a note in syscall_darwin.go that syscall.Fsync is not invoked for os.File.Sync. Fixes #26650. Change-Id: Idecd9adbbdd640b9c5b02e73b60ed254c98b48b6 Reviewed-on: https://go-review.googlesource.com/130676 Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by:
Ian Lance Taylor <iant@golang.org>
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