forked from Deuxfleurs/garage
Add comment for fsync
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@ -902,6 +902,11 @@ impl BlockManagerLocked {
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fs::remove_file(to_delete).await?;
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}
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// We want to ensure that when this function returns, data is properly persisted
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// to disk. The first step is the sync_all above that does an fsync on the data file.
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// Now, we do an fsync on the containing directory, to ensure that the rename
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// is persisted properly. See:
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// http://thedjbway.b0llix.net/qmail/syncdir.html
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let dir = fs::OpenOptions::new()
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.read(true)
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.mode(0)
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