Messages in this thread | | | Date | Tue, 5 Aug 2003 17:59:24 +0100 | From | viro@parcelfa ... | Subject | Re: RO --bind mount implementation ... |
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On Tue, Aug 05, 2003 at 12:16:15AM +0200, Herbert Pötzl wrote:
> anyway, I discussed this with some friends, and > they pointed out that this would be useful ... > so here is the first try ...
Umm... You know, the most obvious system call that should care about read-only is open(pathname, O_RDWR) ;-) IOW, taking care of directory modifications is not enough - you need to deal with * opening file for write * truncation (both from *truncate() and from open() with O_TRUNC) * metadata changes (timestamps, ownership, permissions)
But yes, it's not that far from where we should eventualy get. - 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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