Git Repo - linux.git/commit

author	Christoph Hellwig <[email protected]>
	Mon, 4 May 2020 12:47:56 +0000 (14:47 +0200)
committer	Jens Axboe <[email protected]>
	Sat, 9 May 2020 22:07:57 +0000 (16:07 -0600)
commit	6bd87eec23cbc9ed222bed0f5b5b02bf300e9a8d
tree	27ebe54b5fbc4083760df21ddd65d6d3ecc17dbd	tree \| snapshot
parent	d51cfc53ade3189455a1b88ec7a2ff0c24597cf8	commit \| diff

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 <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

include/linux/backing-dev-defs.h		diff \| blob \| blame \| history
mm/backing-dev.c		diff \| blob \| blame \| history