On Tue, May 03, 2022 at 02:23:23PM +0200, Miklos Szeredi wrote: > Examples: > > $ getfattr -etext -n ":" . > # file: . > :="mnt:\000mntns:" > > $ getfattr -etext -n ":mnt:" . > # file: . > :mnt:="info" > > $ getfattr -etext -n ":mnt:info" . > # file: . > :mnt:info="21 1 254:0 / / rw,relatime - ext4 /dev/root rw\012" Is there a way how to get mountinfo-like entry by mount ID for some sub-tree? Something like: getfattr -etext -n ":mnt:info:21" / The interface has to be consistent with some notification system (I see your question about fsnotify/fanotify at linux-fsdevel) and mount ID seems better than paths due to over-mounts, etc. > $ getfattr -etext -n ":mntns:" . > # file: . > :mntns:="21:\00022:\00024:\00025:\00023:\00026:\00027:\00028:\00029:\00030:\00031:" > > $ getfattr -etext -n ":mntns:28:" . > # file: . > :mntns:28:="info" Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com
