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| 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/user.c | |
| parent | e152c38dc0e8f1f7f8aceccbcfb5b019ca3a4352 (diff) | |
| download | linux-rpi-296d9d1e9890830bd149105cf0193c2cf7d5bc86.tar.gz linux-rpi-296d9d1e9890830bd149105cf0193c2cf7d5bc86.tar.bz2 linux-rpi-296d9d1e9890830bd149105cf0193c2cf7d5bc86.zip | |
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/user.c')
| -rw-r--r-- | fs/dlm/user.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/dlm/user.c b/fs/dlm/user.c index 99e8f0744513..df6215c73239 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -184,7 +184,7 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, return; ls = lkb->lkb_resource->res_ls; - mutex_lock(&ls->ls_clear_proc_locks); + spin_lock(&ls->ls_clear_proc_locks); /* If ORPHAN/DEAD flag is set, it means the process is dead so an ast can't be delivered. For ORPHAN's, dlm_clear_proc_locks() freed @@ -230,7 +230,7 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, uint32_t flags, int mode, spin_unlock(&proc->locks_spin); } out: - mutex_unlock(&ls->ls_clear_proc_locks); + spin_unlock(&ls->ls_clear_proc_locks); } static int device_user_lock(struct dlm_user_proc *proc, |