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fs: dlm: return positive pid value for F_GETLK 

commit 92655fbda5 upstream.

The GETLK pid values have all been negated since commit 9d5b86ac13
("fs/locks: Remove fl_nspid and use fs-specific l_pid for remote locks").
Revert this for local pids, and leave in place negative pids for remote
owners.

Cc: stable@vger.kernel.org
Fixes: 9d5b86ac13 ("fs/locks: Remove fl_nspid and use fs-specific l_pid for remote locks")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Aring 2023-05-19 11:21:24 -04:00 committed by Greg Kroah-Hartman
parent 7bf29ed9c8
commit 370a763ca0
1 changed files with 3 additions and 1 deletions
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4
fs/dlm/plock.c
View File

@ -366,7 +366,9 @@ int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
locks_init_lock(fl);
fl->fl_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
fl->fl_flags = FL_POSIX;
fl->fl_pid = -op->info.pid;
fl->fl_pid = op->info.pid;
if (op->info.nodeid != dlm_our_nodeid())
fl->fl_pid = -fl->fl_pid;
fl->fl_start = op->info.start;
fl->fl_end = op->info.end;
rv = 0;