From 4e521c27eee33cebd618c26649e2c93803004647 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 24 Apr 2007 21:17:33 +0200 Subject: ll_rw_blk: add io_context private pointer To be used by as/cfq as they see fit. Signed-off-by: Jens Axboe --- block/ll_rw_blk.c | 1 + include/linux/blkdev.h | 1 + 2 files changed, 2 insertions(+) diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 3de06953ac3..123003a9047 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -3741,6 +3741,7 @@ static struct io_context *current_io_context(gfp_t gfp_flags, int node) ret->nr_batch_requests = 0; /* because this is 0 */ ret->aic = NULL; ret->cic_root.rb_node = NULL; + ret->ioc_data = NULL; /* make sure set_task_ioprio() sees the settings above */ smp_wmb(); tsk->io_context = ret; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 83dcd8c0e97..a686eabe22d 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -116,6 +116,7 @@ struct io_context { struct as_io_context *aic; struct rb_root cic_root; + void *ioc_data; }; void put_io_context(struct io_context *ioc); -- cgit v1.2.3