Messages in this thread | | | Date | Fri, 10 Oct 2003 05:27:55 -0700 | From | Joel Becker <> | Subject | Re: statfs() / statvfs() syscall ballsup... |
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On Thu, Oct 09, 2003 at 03:26:47PM -0700, Linus Torvalds wrote: > User space shouldn't know or care about frsize, and it doesn't even > necessarily make any sense on a lot of filesystems, so make it easy for > the user. It's not as if the rounding errors really matter.
User space has to know about frsize for O_DIRECT alignment. Some times you just want to write the 512 B you have in hand, not have to read-modify-write the n KB around it. frsize is much nicer that hunting up the appropriate block device to BLKSSZGET on .
Joel
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"I have never let my schooling interfere with my education." - Mark Twain
Joel Becker Senior Member of Technical Staff Oracle Corporation E-mail: joel.becker@oracle.com Phone: (650) 506-8127 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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