]> git.baikalelectronics.ru Git - kernel.git/commit
block: look up holders by bdev
authorChristoph Hellwig <hch@lst.de>
Wed, 4 Aug 2021 09:41:42 +0000 (11:41 +0200)
committerJens Axboe <axboe@kernel.dk>
Mon, 9 Aug 2021 17:50:42 +0000 (11:50 -0600)
commitb32ba156ff26a609f707d5dbe9b91898d752b095
treee0954dc2fc3a87f67214da4908f1384ab56a6e86
parentd4d4fbfa47a6af0abbbba37789a0c2e08a0bd0d5
block: look up holders by bdev

Invert they way the holder relations are tracked.  This very
slightly reduces the memory overhead for partitioned devices.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210804094147.459763-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/genhd.c
block/holder.c
fs/block_dev.c
include/linux/blk_types.h
include/linux/genhd.h