diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-01-04 08:16:47 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-02-02 07:49:58 -0700 |
| commit | fbdee71bb5d8d054e1bdb5af4c540f2cb86fe296 (patch) | |
| tree | 46cfbed71aa40374f489df96373d2b96fcf1e0f5 /block/bdev.c | |
| parent | 26291c54e111ff6ba87a164d85d4a4e134b7315c (diff) | |
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 'block/bdev.c')
| -rw-r--r-- | block/bdev.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/block/bdev.c b/block/bdev.c index 102837a37051..c68772644566 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -733,12 +733,15 @@ struct block_device *blkdev_get_no_open(dev_t dev) struct inode *inode; inode = ilookup(blockdev_superblock, dev); - if (!inode) { + if (!inode && IS_ENABLED(CONFIG_BLOCK_LEGACY_AUTOLOAD)) { blk_request_module(dev); inode = ilookup(blockdev_superblock, dev); - if (!inode) - return NULL; + if (inode) + pr_warn_ratelimited( +"block device autoloading is deprecated. It will be removed in Linux 5.19\n"); } + if (!inode) + return NULL; /* switch from the inode reference to a device mode one: */ bdev = &BDEV_I(inode)->bdev; |