On Wed, 11 Jan 2006, Kenny Simpson wrote:
--- David Lloyd <[email protected]> wrote:
Wouldn't nonblocking I/O on regular files be nice?
Yes it could be. As I understand it, regular file writes (not O_DIRECT)
are only to the page cache and only block when there is memory pressure
(so it is more of a throttle).
If you were however using O_DIRECT or O_SYNC, you would then have a
mechanism to know when your writes have made it to disk, which might be
useful for transactional systems.
- D
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