Messages in this thread | | | Date | Thu, 28 Jun 2007 11:36:16 -0400 | From | "H. Peter Anvin" <> | Subject | Re: Adding subroot information to /proc/mounts, or obtaining that through other means |
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Pavel Machek wrote: > Hi! > >>> ... or, alternatively, add a subfield to the first field (which would >>> entail escaping whatever separator we choose): >>> >>> /dev/md6 /export ext3 rw,data=ordered 0 0 >>> /dev/md6:/users/foo /home/foo ext3 rw,data=ordered 0 0 >>> /dev/md6:/users/bar /home/bar ext3 rw,data=ordered 0 0 >> Hell, no. The first field is in principle impossible to parse unless >> you know the fs type. >> >> How about making a new file with sane format? From the very > > Well, what about /sysfs, with its one value per file rule? >
There are two reasons not to do it that way:
- atomicity - backwards compatibility
Of these, I would argue the former is the most important.
Additionally, I don't think sysfs has the ability to present different structures on a per-process basis; keep in mind this isn't really /proc/mounts, but really /proc/<pid>/mounts.
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