diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-01-04 08:16:47 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-02-02 15:49:58 +0100 |
| commit | fbdee71bb5d8d054e1bdb5af4c540f2cb86fe296 (patch) | |
| tree | 46cfbed71aa40374f489df96373d2b96fcf1e0f5 /block/genhd.c | |
| parent | Linux 5.17-rc2 (diff) | |
| download | linux-fbdee71bb5d8d054e1bdb5af4c540f2cb86fe296.tar.xz linux-fbdee71bb5d8d054e1bdb5af4c540f2cb86fe296.zip | |
block: deprecate autoloading based on dev_t
Make the legacy dev_t based autoloading optional and add a deprecation
warning. This kind of autoloading has ceased to be useful about 20 years
ago.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220104071647.164918-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
| -rw-r--r-- | block/genhd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/genhd.c b/block/genhd.c index 626c8406f21a..6ae990ff0266 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -185,7 +185,9 @@ static struct blk_major_name { struct blk_major_name *next; int major; char name[16]; +#ifdef CONFIG_BLOCK_LEGACY_AUTOLOAD void (*probe)(dev_t devt); +#endif } *major_names[BLKDEV_MAJOR_HASH_SIZE]; static DEFINE_MUTEX(major_names_lock); static DEFINE_SPINLOCK(major_names_spinlock); @@ -275,7 +277,9 @@ int __register_blkdev(unsigned int major, const char *name, } p->major = major; +#ifdef CONFIG_BLOCK_LEGACY_AUTOLOAD p->probe = probe; +#endif strlcpy(p->name, name, sizeof(p->name)); p->next = NULL; index = major_to_index(major); @@ -679,6 +683,7 @@ static ssize_t disk_badblocks_store(struct device *dev, return badblocks_store(disk->bb, page, len, 0); } +#ifdef CONFIG_BLOCK_LEGACY_AUTOLOAD void blk_request_module(dev_t devt) { unsigned int major = MAJOR(devt); @@ -698,6 +703,7 @@ void blk_request_module(dev_t devt) /* Make old-style 2.4 aliases work */ request_module("block-major-%d", MAJOR(devt)); } +#endif /* CONFIG_BLOCK_LEGACY_AUTOLOAD */ /* * print a full list of all partitions - intended for places where the root |