diff options
Diffstat (limited to 'block/ll_rw_blk.c')
| -rw-r--r-- | block/ll_rw_blk.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index caa8fcf5474..6dc76918205 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -3477,10 +3477,12 @@ void put_io_context(struct io_context *ioc) BUG_ON(atomic_read(&ioc->refcount) == 0); if (atomic_dec_and_test(&ioc->refcount)) { + rcu_read_lock(); if (ioc->aic && ioc->aic->dtor) ioc->aic->dtor(ioc->aic); if (ioc->cic && ioc->cic->dtor) ioc->cic->dtor(ioc->cic); + rcu_read_unlock(); kmem_cache_free(iocontext_cachep, ioc); } |