4 ms·

You think you can, but you can't! Linux always sync's the whole file; see https://lwn.net/Articles/502612/ https://lwn.net/Articles/502612/ for a discussion of

You think you can, but you can't! Linux always sync's the whole file; see https://lwn.net/Articles/502612/ https://lwn.net/Articles/502612/ for a discussion of why fixing this horrible bug is too dangerous.

mcguire 9y ago
"You think you can, but you can't!" Welcome to systems programming....
neoflame 9y ago
This is not true after Linux 3.16, commit 7fc34a62ca44 ("mm/msync.c: sync only the requested range in msync()").