diff options
| author | Jan Kara <jack@suse.cz> | 2017-02-02 15:56:50 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-02 16:20:48 +0100 |
| commit | dc3b17cc8bf21307c7e076e7c778d5db756f7871 (patch) | |
| tree | 63a1e6c9b6c70579e9cdabf60147484c0b2f0add /block/blk-cgroup.c | |
| parent | block: Unhash block device inodes on gendisk destruction (diff) | |
| download | linux-dc3b17cc8bf21307c7e076e7c778d5db756f7871.tar.xz linux-dc3b17cc8bf21307c7e076e7c778d5db756f7871.zip | |
block: Use pointer to backing_dev_info from request_queue
We will want to have struct backing_dev_info allocated separately from
struct request_queue. As the first step add pointer to backing_dev_info
to request_queue and convert all users touching it. No functional
changes in this patch.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index fb59a3edc778..37fe595cfd70 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -184,7 +184,7 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg, goto err_free_blkg; } - wb_congested = wb_congested_get_create(&q->backing_dev_info, + wb_congested = wb_congested_get_create(q->backing_dev_info, blkcg->css.id, GFP_NOWAIT | __GFP_NOWARN); if (!wb_congested) { @@ -469,8 +469,8 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, const char *blkg_dev_name(struct blkcg_gq *blkg) { /* some drivers (floppy) instantiate a queue w/o disk registered */ - if (blkg->q->backing_dev_info.dev) - return dev_name(blkg->q->backing_dev_info.dev); + if (blkg->q->backing_dev_info->dev) + return dev_name(blkg->q->backing_dev_info->dev); return NULL; } EXPORT_SYMBOL_GPL(blkg_dev_name); |