Theodore Tso wrote:
So we can create a more finer-grained controlled system call ---
although I would suggest that we just add some extra flags to
sync_file_range() --- but it's doubtful that many application
programmers will use it.
sync_file_range() seems the obvious avenue for new fsync flags.
I even explored what it would take to add a "flush storage dev writeback
cache, for this file" flag to sync_file_range(), rather unfortunately
non-trivial given the current implementation's close ties to MM.
But yeah... how many people will use these fancy new flags and features?
Jeff
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