aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--fs/bcachefs/six.c17
-rw-r--r--fs/bcachefs/six.h1
2 files changed, 13 insertions, 5 deletions
diff --git a/fs/bcachefs/six.c b/fs/bcachefs/six.c
index 617d07e53b20..537bf049618f 100644
--- a/fs/bcachefs/six.c
+++ b/fs/bcachefs/six.c
@@ -616,8 +616,6 @@ void six_unlock_ip(struct six_lock *lock, enum six_lock_type type, unsigned long
if (type != SIX_LOCK_write)
six_release(&lock->dep_map, ip);
- else
- lock->seq++;
if (type == SIX_LOCK_intent &&
lock->intent_lock_recurse) {
@@ -625,6 +623,15 @@ void six_unlock_ip(struct six_lock *lock, enum six_lock_type type, unsigned long
return;
}
+ if (type == SIX_LOCK_write &&
+ lock->write_lock_recurse) {
+ --lock->write_lock_recurse;
+ return;
+ }
+
+ if (type == SIX_LOCK_write)
+ lock->seq++;
+
do_six_unlock_type(lock, type);
}
EXPORT_SYMBOL_GPL(six_unlock_ip);
@@ -735,13 +742,13 @@ void six_lock_increment(struct six_lock *lock, enum six_lock_type type)
atomic_add(l[type].lock_val, &lock->state);
}
break;
+ case SIX_LOCK_write:
+ lock->write_lock_recurse++;
+ fallthrough;
case SIX_LOCK_intent:
EBUG_ON(!(atomic_read(&lock->state) & SIX_LOCK_HELD_intent));
lock->intent_lock_recurse++;
break;
- case SIX_LOCK_write:
- BUG();
- break;
}
}
EXPORT_SYMBOL_GPL(six_lock_increment);
diff --git a/fs/bcachefs/six.h b/fs/bcachefs/six.h
index 68d46fd7f391..c142e06b7a3a 100644
--- a/fs/bcachefs/six.h
+++ b/fs/bcachefs/six.h
@@ -137,6 +137,7 @@ struct six_lock {
atomic_t state;
u32 seq;
unsigned intent_lock_recurse;
+ unsigned write_lock_recurse;
struct task_struct *owner;
unsigned __percpu *readers;
raw_spinlock_t wait_lock;