diff options
| author | Alexander Aring <aahringo@redhat.com> | 2021-11-02 15:17:23 -0400 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2021-11-02 14:39:20 -0500 |
| commit | 63eab2b00bcff620682e8570367458c9619a9970 (patch) | |
| tree | dad15a9f20972da5929364405c074f53f08b14f3 /fs/dlm/lock.c | |
| parent | 5054e79de99984b4f39a073534526bc7c827b1e0 (diff) | |
| download | linux-63eab2b00bcff620682e8570367458c9619a9970.tar.gz | |
fs: dlm: add lkb waiters debugfs functionality
This patch adds functionality to put a lkb to the waiters state. It can
be useful to combine this feature with the "rawmsg" debugfs
functionality. It will bring the DLM lkb into a state that a message
will be parsed by the kernel.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/lock.c')
| -rw-r--r-- | fs/dlm/lock.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index aeb793693d8c5..0dbe273566c0b 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -6363,3 +6363,18 @@ int dlm_debug_add_lkb(struct dlm_ls *ls, uint32_t lkb_id, char *name, int len, return 0; } +int dlm_debug_add_lkb_to_waiters(struct dlm_ls *ls, uint32_t lkb_id, + int mstype, int to_nodeid) +{ + struct dlm_lkb *lkb; + int error; + + error = find_lkb(ls, lkb_id, &lkb); + if (error) + return error; + + error = add_to_waiters(lkb, mstype, to_nodeid); + dlm_put_lkb(lkb); + return error; +} + |