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| author | Christoph Hellwig <hch@lst.de> | 2021-05-21 07:50:53 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-01 07:42:23 -0600 |
| commit | 0d1feb72ffd8578f6f167ca15b2096c276c1f6df (patch) | |
| tree | 78d9e2e704d8f40f26aa42ebcaa34c18ab87047a /block | |
| parent | 2e3c73fa0c419f62fd588731be30fb0d1bca9ad6 (diff) | |
| download | linux-0d1feb72ffd8578f6f167ca15b2096c276c1f6df.tar.gz linux-0d1feb72ffd8578f6f167ca15b2096c276c1f6df.tar.bz2 linux-0d1feb72ffd8578f6f167ca15b2096c276c1f6df.zip | |
block: automatically enable GENHD_FL_EXT_DEVT
Automatically set the GENHD_FL_EXT_DEVT flag for all disks allocated
without an explicit number of minors. This is what all new block
drivers should do, so make sure it is the default without boilerplate
code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/genhd.c | 2 | ||||
| -rw-r--r-- | block/partitions/core.c | 4 |
2 files changed, 1 insertions, 5 deletions
diff --git a/block/genhd.c b/block/genhd.c index 8c1816d2929e..9fa734cb9cbd 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -497,7 +497,6 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk, } } else { WARN_ON(disk->minors); - WARN_ON(!(disk->flags & (GENHD_FL_EXT_DEVT | GENHD_FL_HIDDEN))); ret = blk_alloc_ext_minor(); if (ret < 0) { @@ -506,6 +505,7 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk, } disk->major = BLOCK_EXT_MAJOR; disk->first_minor = MINOR(ret); + disk->flags |= GENHD_FL_EXT_DEVT; } disk->flags |= GENHD_FL_UP; diff --git a/block/partitions/core.c b/block/partitions/core.c index 504297bdc8bf..ada3e1e66989 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -326,10 +326,6 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, const char *dname; int err; - /* - * disk_max_parts() won't be zero, either GENHD_FL_EXT_DEVT is set - * or 'minors' is passed to alloc_disk(). - */ if (partno >= disk_max_parts(disk)) return ERR_PTR(-EINVAL); |