From d4a28d7defe79006e59293a4b43d518ba8483fb0 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 31 May 2023 14:55:30 +0200 Subject: dm: remove dm_get_dev_t Open code dm_get_dev_t in the only remaining caller, and propagate the exact error code from lookup_bdev and early_lookup_bdev. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/r/20230531125535.676098-20-hch@lst.de Signed-off-by: Jens Axboe --- drivers/md/dm-table.c | 22 +++++----------------- include/linux/device-mapper.h | 2 -- 2 files changed, 5 insertions(+), 19 deletions(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 05aa16da43b0..1576b408768d 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -323,20 +323,6 @@ static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode, return 0; } -/* - * Convert the path to a device - */ -dev_t dm_get_dev_t(const char *path) -{ - dev_t dev; - - if (lookup_bdev(path, &dev) && - early_lookup_bdev(path, &dev)) - return 0; - return dev; -} -EXPORT_SYMBOL_GPL(dm_get_dev_t); - /* * Add a device to the list, or just increment the usage count if * it's already present. @@ -359,9 +345,11 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, if (MAJOR(dev) != major || MINOR(dev) != minor) return -EOVERFLOW; } else { - dev = dm_get_dev_t(path); - if (!dev) - return -ENODEV; + r = lookup_bdev(path, &dev); + if (r) + r = early_lookup_bdev(path, &dev); + if (r) + return r; } if (dev == disk_devt(t->md->disk)) return -EINVAL; diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index a52d2b9a6846..c27b84002d83 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -170,8 +170,6 @@ struct dm_dev { char name[16]; }; -dev_t dm_get_dev_t(const char *path); - /* * Constructors should call these functions to ensure destination devices * are opened/closed correctly. -- cgit v1.2.3-59-g8ed1b