| To: | "Bradley C. Kuszmaul" <kuszmaul@xxxxxxxxx> |
|---|---|
| Subject: | Re: hole punching performance |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Sun, 6 Jan 2013 09:54:31 +1100 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <CAKSyJXct+kRvDqGg1LtjU6q+P713bbsZDdik9LhLRvH2q5GEhw@xxxxxxxxxxxxxx> |
| References: | <CAKSyJXf66H2U-BF-aYnSr2fF24_6LJw6swOx1RhUc_3Eqayaiw@xxxxxxxxxxxxxx> <20130102232706.GD3120@dastard> <CAKSyJXd8wsH3MDOOaqo24M8DSYQjE2S2hF3QcFnEWjYTOo3s4w@xxxxxxxxxxxxxx> <20130103220717.GI3120@dastard> <CAKSyJXct+kRvDqGg1LtjU6q+P713bbsZDdik9LhLRvH2q5GEhw@xxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
On Sat, Jan 05, 2013 at 11:31:19AM -0500, Bradley C. Kuszmaul wrote: > What are the requirements for alignment of punched holes? Is 512-byte > alignment good enough? (I'll have 512-byte alignment anyway since I'll be > using direct I/O on these files.) No alignment at all - they have byte range granularity. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx |
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