On Fri, Aug 25, 2023 at 03:44:57AM +0100, Al Viro wrote:
> That got me curious about the ->bd_openers - do we need it atomic?
> Most of the users (and all places that do modifications) are
> under ->open_mutex; the only exceptions are
> * early sync logics in blkdev_put(); it's explicitly rac
On Thu, Jun 08, 2023 at 01:02:29PM +0200, Christoph Hellwig wrote:
> --- a/block/bdev.c
> +++ b/block/bdev.c
> @@ -683,9 +683,6 @@ static int blkdev_get_part(struct block_device *part,
> fmode_t mode)
> struct gendisk *disk = part->bd_disk;
> int ret;
>
> - if (atomic_read(&part
Hello:
This series was applied to jaegeuk/f2fs.git (dev)
by Jens Axboe :
On Thu, 8 Jun 2023 13:02:29 +0200 you wrote:
> For whole devices ->open is called for each open, but for partitions it
> is only called on the first open of a partition, e.g.:
>
> open("/dev/vdb", ...)
> open("/dev/vdb
For whole devices ->open is called for each open, but for partitions it
is only called on the first open of a partition, e.g.:
open("/dev/vdb", ...)
open("/dev/vdb", ...)
- 2 call to ->open
open("/dev/vdb1", ...)
open("/dev/vdb", ...)
- 2 call to ->open
open("/dev/vdb", ...)
