Commit 61cc74fb authored Dec 04, 2009 by Louis Rilling Committed by Jens Axboe Dec 04, 2009

block: Fix io_context leak after clone with CLONE_IO



With CLONE_IO, copy_io() increments both ioc->refcount and ioc->nr_tasks.
However exit_io_context() only decrements ioc->refcount if ioc->nr_tasks
reaches 0.

Always call put_io_context() in exit_io_context().

Signed-off-by: Louis Rilling <louis.rilling@kerlabs.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent 3c764b7a

block/blk-ioc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -80,8 +80,8 @@ void exit_io_context(void)
		ioc->aic->exit(ioc->aic);
		cfq_exit(ioc);

		put_io_context(ioc);
		}
		put_io_context(ioc);
		}

		struct io_context *alloc_io_context(gfp_t gfp_flags, int node)