diff options
| author | Alexander Aring <aahringo@redhat.com> | 2024-04-02 22:18:05 +0300 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2024-04-09 19:44:49 +0300 |
| commit | cc396e2355b5ca6e1aee005f3ce99bab8f37f5ff (patch) | |
| tree | d1a5e2c16c95a0ee30e1575ce8f264d2a101d191 /fs/dlm | |
| parent | 097691dbadcdcaa6428adf0417cd227602eb60a4 (diff) | |
| download | linux-cc396e2355b5ca6e1aee005f3ce99bab8f37f5ff.tar.xz | |
dlm: convert res_lock to spinlock
Convert the rsb struct res_lock from a mutex to a spinlock
in preparation for processing messages in softirq context.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/dlm_internal.h | 2 | ||||
| -rw-r--r-- | fs/dlm/lock.c | 2 | ||||
| -rw-r--r-- | fs/dlm/lock.h | 4 |
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 98029fd5cd2b..9f98a815f935 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -320,7 +320,7 @@ struct dlm_lkb { struct dlm_rsb { struct dlm_ls *res_ls; /* the lockspace */ struct kref res_ref; - struct mutex res_mutex; + spinlock_t res_lock; unsigned long res_flags; int res_length; /* length of rsb name */ int res_nodeid; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index af677add4f5f..7b309231eebd 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -415,7 +415,7 @@ static int get_rsb_struct(struct dlm_ls *ls, const void *name, int len, r->res_ls = ls; r->res_length = len; memcpy(r->res_name, name, len); - mutex_init(&r->res_mutex); + spin_lock_init(&r->res_lock); INIT_LIST_HEAD(&r->res_lookup); INIT_LIST_HEAD(&r->res_grantqueue); diff --git a/fs/dlm/lock.h b/fs/dlm/lock.h index b2fd74a2f8eb..0f6b2700c0da 100644 --- a/fs/dlm/lock.h +++ b/fs/dlm/lock.h @@ -69,12 +69,12 @@ static inline int is_master(struct dlm_rsb *r) static inline void lock_rsb(struct dlm_rsb *r) { - mutex_lock(&r->res_mutex); + spin_lock(&r->res_lock); } static inline void unlock_rsb(struct dlm_rsb *r) { - mutex_unlock(&r->res_mutex); + spin_unlock(&r->res_lock); } #endif |