Re: [PATCH 3/8] block: move bd_mutex to struct gendisk

Hannes Reinecke
2021-05-25T08:08:14Z

On 5/25/21 8:12 AM, Christoph Hellwig wrote:
> Replace the per-block device bd_mutex with a per-gendisk open_mutex,
> thus simplifying locking wherever we deal with partitions.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> Documentation/filesystems/locking.rst | 2 +-
> block/genhd.c | 7 ++---
> block/partitions/core.c | 24 ++++++++---------
> drivers/block/loop.c | 14 +++++-----
> drivers/block/xen-blkfront.c | 8 +++---
> drivers/block/zram/zram_drv.c | 18 ++++++-------
> drivers/block/zram/zram_drv.h | 2 +-
> drivers/md/md.h | 6 ++---
> drivers/s390/block/dasd_genhd.c | 8 +++---
> drivers/scsi/sd.c | 4 +--
> fs/block_dev.c | 37 +++++++++++----------------
> fs/btrfs/volumes.c | 2 +-
> fs/super.c | 8 +++---
> include/linux/blk_types.h | 1 -
> include/linux/genhd.h | 3 +++
> 15 files changed, 68 insertions(+), 76 deletions(-)
> Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
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