On Tue, Apr 26, 2016 at 09:36:23AM -0500, Serge E. Hallyn wrote: > > In the ideal world there is no mountinfo file, but /proc/self/mountinfo/<id>/ > > directory with individual files, so every subsystem and filesystem has > > absolute freedom to store there all relevant information. The result will > > be also lucky kernel that does not have to always generate entire huge > > mountinfo file for all mountpoins... etc. :-) > > Yeah mountinfo does seem like a big stick to swing around every time I want > one little piece of information. Also mght be good to have per-fstype > directories so we can just look under /proc/self/mountsdir/cgroupfs/ for > only cgroupfs <id>s. > > There we might also find open fds for source and mountdir, kinda fitting > in with previous discussions of separating bdev_open() and mountat(). > > BTW, assuming this would in fact report source and mountpoint location > with fds, these would really (through realpath) be reported relative to > the reader's namespace, as I'm doing and advocating here. So, what's the consensus here? Is everyone okay with the posted patches? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
