On Tue, Mar 31, 2020 at 10:52:52PM +0100, David Howells wrote: > Christian Brauner <christian.brauner@xxxxxxxxxx> wrote: > > > querying all properties of a mount atomically all-at-once, > > I don't actually offer that, per se. > > Having an atomic all-at-once query for a single mount is actually quite a > burden on the system. There's potentially a lot of state involved, much of > which you don't necessarily need. If all means "all possible attributes" than it is unnecessary, for example ext4 timestamps or volume uuid/label are rarely necessary. We usually need together (as consistent set): source mountpoint FS type FS root (FSINFO_ATTR_MOUNT_PATH) FS options (FSINFO_ATTR_CONFIGURATION) VFS attributes VFS propagation flags mount ID parent ID devno (or maj:min) Karel -- Karel Zak <kzak@xxxxxxxxxx> http://karelzak.blogspot.com