Messages in this thread | | | Date | Tue, 22 Oct 2002 18:14:26 +0200 | From | Jan Kasprzak <> | Subject | Re: 2.4.20-pre11 /proc/partitions read |
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Richard B. Johnson wrote: : : > # dd if=/proc/partitions bs=512|wc -l : > 1+1 records in : > 1+1 records out : > 12 : > : > # dd if=/proc/partitions bs=128k|wc -l : > 0+1 records in : > 0+1 records out : > 32 : : Well yes, sorta. The proc file-system is a compromise. You can : `cat` it and `more` it, but anything that uses `lseek` will : fail in strange ways.
I hope dd(1) does not use lseek() :-) The question is whether the application should supply a big enough buffer to read(2) or whether it is possible to read(2) in more smaller chunks.
-Y.
-- | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> | | GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E | | http://www.fi.muni.cz/~kas/ Czech Linux Homepage: http://www.linux.cz/ | |-- If you start doing things because you hate others and want to screw --| |-- them over the end result is bad. --Linus Torvalds to the BBC News --| - 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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