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| author | Jan Kara <jack@suse.cz> | 2017-02-02 15:56:51 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-02 08:20:50 -0700 |
| commit | d03f6cdc1fc422accb734c7c07a661a0018d8631 (patch) | |
| tree | fe3500795df51b8ad11a0f76dddfa27d60fecf13 /block/blk-sysfs.c | |
| parent | dc3b17cc8bf21307c7e076e7c778d5db756f7871 (diff) | |
| download | linux-d03f6cdc1fc422accb734c7c07a661a0018d8631.tar.gz linux-d03f6cdc1fc422accb734c7c07a661a0018d8631.tar.bz2 linux-d03f6cdc1fc422accb734c7c07a661a0018d8631.zip | |
block: Dynamically allocate and refcount backing_dev_info
Instead of storing backing_dev_info inside struct request_queue,
allocate it dynamically, reference count it, and free it when the last
reference is dropped. Currently only request_queue holds the reference
but in the following patch we add other users referencing
backing_dev_info.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-sysfs.c')
| -rw-r--r-- | block/blk-sysfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 05841be1f30f..3e204789b8d3 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -799,7 +799,7 @@ static void blk_release_queue(struct kobject *kobj) container_of(kobj, struct request_queue, kobj); wbt_exit(q); - bdi_exit(q->backing_dev_info); + bdi_put(q->backing_dev_info); blkcg_exit_queue(q); if (q->elevator) { |