On Fri, 2022-11-18 at 21:06 -0500, Jeff Layton wrote: > On Fri, 2022-11-18 at 15:43 -0800, Andi Kleen wrote: > > It's fairly useless to complain about using an obsolete feature without > > telling the user which process used it. My Fedora desktop randomly drops > > this message, but I would really need this patch to figure out what > > triggers is. > > > > Interesting. The only program I know of that tried to use these was > samba, but we patched that out a few years ago (about the time this > patch went in). Are you running an older version of samba? > > > Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> > > --- > > fs/locks.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/fs/locks.c b/fs/locks.c > > index 607f94a0e789..2e45232dbeb1 100644 > > --- a/fs/locks.c > > +++ b/fs/locks.c > > @@ -2096,7 +2096,7 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd) > > * throw a warning to let people know that they don't actually work. > > */ > > if (cmd & LOCK_MAND) { > > - pr_warn_once("Attempt to set a LOCK_MAND lock via flock(2). This support has been removed and the request ignored.\n"); > > + pr_warn_once("%s: Attempt to set a LOCK_MAND lock via flock(2). This support has been removed and the request ignored.\n", current->comm); > > return 0; > > } > > > > Looks reasonable. Would it help to print the pid or tgid as well? Merged into my locks-next branch, along with a small change to print current->pid in addition to current->comm. This should make v6.2. Thanks! -- Jeff Layton <jlayton@xxxxxxxxxx>