diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-05-04 14:47:56 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-05-09 16:07:57 -0600 |
| commit | 6bd87eec23cbc9ed222bed0f5b5b02bf300e9a8d (patch) | |
| tree | 27ebe54b5fbc4083760df21ddd65d6d3ecc17dbd /drivers/nvme/host/pci.c | |
| parent | bdi: use bdi_dev_name() to get device name (diff) | |
| download | wireguard-linux-6bd87eec23cbc9ed222bed0f5b5b02bf300e9a8d.tar.xz wireguard-linux-6bd87eec23cbc9ed222bed0f5b5b02bf300e9a8d.zip | |
bdi: add a ->dev_name field to struct backing_dev_info
Cache a copy of the name for the life time of the backing_dev_info
structure so that we can reference it even after unregistering.
Fixes: 68f23b89067f ("memcg: fix a crash in wb_workfn when a device disappears")
Reported-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions