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| author |   Christoph Hellwig <hch@lst.de> | 2021-08-04 11:41:42 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-08-09 11:50:42 -0600 |
| commit | 0dbcfe247f22a6d73302dfa691c48b3c14d31c4c (patch) | |
| tree | e0954dc2fc3a87f67214da4908f1384ab56a6e86 /fs/block_dev.c | |
| parent | block: remove the extra kobject reference in bd_link_disk_holder (diff) | |
| download | linux-dev-0dbcfe247f22a6d73302dfa691c48b3c14d31c4c.tar.xz linux-dev-0dbcfe247f22a6d73302dfa691c48b3c14d31c4c.zip | |
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>
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index ae9651cad923..cc801767a377 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -902,9 +902,6 @@ struct block_device *bdev_alloc(struct gendisk *disk, u8 partno) bdev->bd_disk = disk; bdev->bd_partno = partno; bdev->bd_inode = inode; -#ifdef CONFIG_BLOCK_HOLDER_DEPRECATED - INIT_LIST_HEAD(&bdev->bd_holder_disks); -#endif bdev->bd_stats = alloc_percpu(struct disk_stats); if (!bdev->bd_stats) { iput(inode); |