On Thu, Jun 29, 2017 at 03:15:33PM +0200, Didier Kryn wrote: > Le 29/06/2017 à 14:51, k...@aspodata.se a écrit : > > Hmm, something similar could be used to create thoose /dev/disk/by-*, > > for a static /dev: > > > > find /dev -type b | xargs blkid | sort | some_script_to_populate_by_xxx > > > > But if that is only a transformed /sys/class/block, wouldn't it be > > easier if there was a /sys/class/uuid or similar ?
> Everybody is using blkid to build thiese links, my script as well as Udev > and Vdev. You probably noticed that blkid has a special option for Udev > because Udev people are too lazzy to parse the response. In Vdev, Jude made > the parsing job to be compatible with Busybox's blkid which hasn't this > special format. > > So blkid authors on one hand provide a special format for Udev to create > the symlinks, and on the other hand claim that they aren't reliable! > > Also man blkid says: # It is recommended to use lsblk(8) command to get information about # block devices rather than blkid. lsblk(8) provides more information, # better control on output formatting and it does not require root per‐ # missions to get actual information. So as you're making a new tool to parse this information, it's better to use the newest and greatest source, thus avoiding that deprecated format. Using the library rather than a cmdline program is also an option. -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ A dumb species has no way to open a tuna can. ⢿⡄⠘⠷⠚⠋⠀ A smart species invents a can opener. ⠈⠳⣄⠀⠀⠀⠀ A master species delegates. _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
