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-rw-r--r--block/cfq-iosched.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 521c56d4fdbc..7102bafc98b3 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1211,6 +1211,13 @@ static void cfq_free_io_context(struct cfq_io_context *cic)
kmem_cache_free(cfq_ioc_pool, cic);
}
+static void cfq_trim(struct io_context *ioc)
+{
+ ioc->set_ioprio = NULL;
+ if (ioc->cic)
+ cfq_free_io_context(ioc->cic);
+}
+
/*
* Called with interrupts disabled
*/
@@ -2472,6 +2479,7 @@ static struct elevator_type iosched_cfq = {
.elevator_may_queue_fn = cfq_may_queue,
.elevator_init_fn = cfq_init_queue,
.elevator_exit_fn = cfq_exit_queue,
+ .trim = cfq_trim,
},
.elevator_ktype = &cfq_ktype,
.elevator_name = "cfq",