On 2017/3/2 下午7:11, Stefan Bader wrote: > When adding partition support to bcache, the name assignment was not > updated, resulting in numbers jumping (bcache0, bcache16, bcache32...). > Fix this by taking BCACHE_MINORS into account when assigning the disk > name. > > BugLink: https://bugs.launchpad.net/bugs/1667078 > > Fixes: b8c0d91 (bcache: partition support: add 16 minors per bcacheN device) > Cc: <sta...@vger.kernel.org> # v4.10 > Signed-off-by: Stefan Bader <stefan.ba...@canonical.com>
Acked-by: Coly Li <col...@suse.de> > --- > drivers/md/bcache/super.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c > index 85e3f21..817e155 100644 > --- a/drivers/md/bcache/super.c > +++ b/drivers/md/bcache/super.c > @@ -793,7 +793,8 @@ static int bcache_device_init(struct bcache_device *d, > unsigned block_size, > } > > set_capacity(d->disk, sectors); > - snprintf(d->disk->disk_name, DISK_NAME_LEN, "bcache%i", minor); > + snprintf(d->disk->disk_name, DISK_NAME_LEN, "bcache%i", > + minor / BCACHE_MINORS); > > d->disk->major = bcache_major; > d->disk->first_minor = minor; >
