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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-04-24 21:17:33 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@nelson.home.kernel.dk> | 2007-04-30 09:01:23 +0200 |
| commit | 4e521c27eee33cebd618c26649e2c93803004647 (patch) | |
| tree | 0ad4b1e5df66da0848074cda47a79f7d7dae75f5 | |
| parent | 91fac317a34859986a2359a5a5c0e37dc17a9c3d (diff) | |
| download | linux-4e521c27eee33cebd618c26649e2c93803004647.tar.bz2 | |
ll_rw_blk: add io_context private pointer
To be used by as/cfq as they see fit.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | block/ll_rw_blk.c | 1 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 3de06953ac33..123003a90477 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 83dcd8c0e974..a686eabe22d6 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); |