Meta has some internal logging that scrapes /proc/self/mountinfo today. I'd like to convert it to use listmount()/statmount(), so we can do a better job of monitoring with containers. We're missing some fields though. This patchset adds them. Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> --- Changes in v2: - make statmount_fs_subtype - return fast if no subtype is emitted - new patch to allow statmount() to return devicename - Link to v1: https://lore.kernel.org/r/20241106-statmount-v1-1-b93bafd97621@xxxxxxxxxx --- Jeff Layton (2): fs: add the ability for statmount() to report the fs_subtype fs: add the ability for statmount() to report the mount devicename fs/namespace.c | 42 +++++++++++++++++++++++++++++++++++++++++- include/uapi/linux/mount.h | 6 +++++- 2 files changed, 46 insertions(+), 2 deletions(-) --- base-commit: 26213e1a6caa5a7f508b919059b0122b451f4dfe change-id: 20241106-statmount-3f91a7ed75fa Best regards, -- Jeff Layton <jlayton@xxxxxxxxxx>