On Tue, Jun 6, 2023 at 9:40 AM Christoph Hellwig <hch@xxxxxx> wrote: > > The current interface for exclusive opens is rather confusing as it > requires both the FMODE_EXCL flag and a holder. Remove the need to pass > FMODE_EXCL and just key off the exclusive open off a non-NULL holder. > > For blkdev_put this requires adding the holder argument, which provides > better debug checking that only the holder actually releases the hold, > but at the same time allows removing the now superfluous mode argument. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > --- > block/bdev.c | 37 ++++++++++++++++------------ > block/fops.c | 6 +++-- > block/genhd.c | 5 ++-- > block/ioctl.c | 5 ++-- > drivers/block/drbd/drbd_nl.c | 23 ++++++++++------- > drivers/block/pktcdvd.c | 13 +++++----- > drivers/block/rnbd/rnbd-srv.c | 4 +-- Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx> # for rnbd