diff options
| author | Alexander Aring <aahringo@redhat.com> | 2022-08-15 15:43:23 -0400 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2022-08-23 14:54:02 -0500 |
| commit | 296d9d1e9890830bd149105cf0193c2cf7d5bc86 (patch) | |
| tree | 979e5f5a81bfe23976b571f9d9dee30d08074f64 /fs/dlm/lock.c | |
| parent | e152c38dc0e8f1f7f8aceccbcfb5b019ca3a4352 (diff) | |
| download | linux-296d9d1e9890830bd149105cf0193c2cf7d5bc86.tar.gz | |
fs: dlm: change ls_clear_proc_locks to spinlock
This patch changes the ls_clear_proc_locks to a spinlock because there
is no need to handle it as a mutex as there is no sleepable context when
ls_clear_proc_locks is held. This allows us to call those functionality
in non-sleepable contexts.
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 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index c41aa8ab32309..65a7a0631ec85 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -6215,7 +6215,7 @@ static struct dlm_lkb *del_proc_lock(struct dlm_ls *ls, { struct dlm_lkb *lkb = NULL; - mutex_lock(&ls->ls_clear_proc_locks); + spin_lock(&ls->ls_clear_proc_locks); if (list_empty(&proc->locks)) goto out; @@ -6227,7 +6227,7 @@ static struct dlm_lkb *del_proc_lock(struct dlm_ls *ls, else lkb->lkb_flags |= DLM_IFL_DEAD; out: - mutex_unlock(&ls->ls_clear_proc_locks); + spin_unlock(&ls->ls_clear_proc_locks); return lkb; } @@ -6264,7 +6264,7 @@ void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc) dlm_put_lkb(lkb); } - mutex_lock(&ls->ls_clear_proc_locks); + spin_lock(&ls->ls_clear_proc_locks); /* in-progress unlocks */ list_for_each_entry_safe(lkb, safe, &proc->unlocking, lkb_ownqueue) { @@ -6280,7 +6280,7 @@ void dlm_clear_proc_locks(struct dlm_ls *ls, struct dlm_user_proc *proc) dlm_put_lkb(lkb); } - mutex_unlock(&ls->ls_clear_proc_locks); + spin_unlock(&ls->ls_clear_proc_locks); dlm_unlock_recovery(ls); } |