Milos Nikic, le jeu. 19 févr. 2026 20:41:19 -0800, a ecrit: > Unlike /dev/null, /dev/random calls trivfs_set_atime and trivfs_set_mtime with > every read/update which underneath calls file_utimens, spams and > completely ignores relatime. > > If one wants to see this behavious "in action" one can just repeatedly call: > > stat /dev/random > > inside Hurd and every time one does that all three timestamps will come back > updated. > > Worse if one instruments file_utimens one will see that just during the login > process > we get hundreds of ATIME updates for /dev/random due to background entropy.
Indeed, /dev/urandom is now read by glibc for various uses, so that'd spam indeed. > With this patch, extraneous updates are removed and spam is drastically > reduced. Applied, thanks! > --- > trans/random.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/trans/random.c b/trans/random.c > index 5142cb15..74874c9f 100644 > --- a/trans/random.c > +++ b/trans/random.c > @@ -357,7 +357,6 @@ trivfs_S_io_read (struct trivfs_protid *cred, > } > > *data_len = amount; > - trivfs_set_atime (fsys); > return 0; > > errout: > @@ -390,7 +389,6 @@ trivfs_S_io_write (struct trivfs_protid *cred, > > pool_add_entropy (data, datalen); > *amount = datalen; > - trivfs_set_mtime (fsys); > return 0; > } > > -- > 2.51.0 >
