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authorChristoph Hellwig <hch@lst.de>2023-05-31 14:55:27 +0200
committerJens Axboe <axboe@kernel.dk>2023-06-05 10:57:40 -0600
commit7cadcaf1d82618852745e7206fffa2c72c17ce4b (patch)
tree2d6fc480677c71ce91bb495f863f561f9239624c /block/genhd.c
parent702f3189e454b3c3c2f3c99dbf30acf41aab707c (diff)
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block: move more code to early-lookup.c
blk_lookup_devt is only used by code in early-lookup.c, so move it there. printk_all_partitions and it's helper bdevt_str are only used by the early init code in init/do_mounts.c, so they should go there as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230531125535.676098-17-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/genhd.c')
-rw-r--r--block/genhd.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/block/genhd.c b/block/genhd.c
index a07c4d6a1476..4e5fd6aaa883 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -318,18 +318,6 @@ void blk_free_ext_minor(unsigned int minor)
ida_free(&ext_devt_ida, minor);
}
-static char *bdevt_str(dev_t devt, char *buf)
-{
- if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) {
- char tbuf[BDEVT_SIZE];
- snprintf(tbuf, BDEVT_SIZE, "%02x%02x", MAJOR(devt), MINOR(devt));
- snprintf(buf, BDEVT_SIZE, "%-9s", tbuf);
- } else
- snprintf(buf, BDEVT_SIZE, "%03x:%05x", MAJOR(devt), MINOR(devt));
-
- return buf;
-}
-
void disk_uevent(struct gendisk *disk, enum kobject_action action)
{
struct block_device *part;
@@ -795,57 +783,6 @@ void blk_request_module(dev_t devt)
}
#endif /* CONFIG_BLOCK_LEGACY_AUTOLOAD */
-/*
- * print a full list of all partitions - intended for places where the root
- * filesystem can't be mounted and thus to give the victim some idea of what
- * went wrong
- */
-void __init printk_all_partitions(void)
-{
- struct class_dev_iter iter;
- struct device *dev;
-
- class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
- while ((dev = class_dev_iter_next(&iter))) {
- struct gendisk *disk = dev_to_disk(dev);
- struct block_device *part;
- char devt_buf[BDEVT_SIZE];
- unsigned long idx;
-
- /*
- * Don't show empty devices or things that have been
- * suppressed
- */
- if (get_capacity(disk) == 0 || (disk->flags & GENHD_FL_HIDDEN))
- continue;
-
- /*
- * Note, unlike /proc/partitions, I am showing the numbers in
- * hex - the same format as the root= option takes.
- */
- rcu_read_lock();
- xa_for_each(&disk->part_tbl, idx, part) {
- if (!bdev_nr_sectors(part))
- continue;
- printk("%s%s %10llu %pg %s",
- bdev_is_partition(part) ? " " : "",
- bdevt_str(part->bd_dev, devt_buf),
- bdev_nr_sectors(part) >> 1, part,
- part->bd_meta_info ?
- part->bd_meta_info->uuid : "");
- if (bdev_is_partition(part))
- printk("\n");
- else if (dev->parent && dev->parent->driver)
- printk(" driver: %s\n",
- dev->parent->driver->name);
- else
- printk(" (driver?)\n");
- }
- rcu_read_unlock();
- }
- class_dev_iter_exit(&iter);
-}
-
#ifdef CONFIG_PROC_FS
/* iterator */
static void *disk_seqf_start(struct seq_file *seqf, loff_t *pos)
@@ -1379,35 +1316,6 @@ dev_t part_devt(struct gendisk *disk, u8 partno)
return devt;
}
-dev_t blk_lookup_devt(const char *name, int partno)
-{
- dev_t devt = MKDEV(0, 0);
- struct class_dev_iter iter;
- struct device *dev;
-
- class_dev_iter_init(&iter, &block_class, NULL, &disk_type);
- while ((dev = class_dev_iter_next(&iter))) {
- struct gendisk *disk = dev_to_disk(dev);
-
- if (strcmp(dev_name(dev), name))
- continue;
-
- if (partno < disk->minors) {
- /* We need to return the right devno, even
- * if the partition doesn't exist yet.
- */
- devt = MKDEV(MAJOR(dev->devt),
- MINOR(dev->devt) + partno);
- } else {
- devt = part_devt(disk, partno);
- if (devt)
- break;
- }
- }
- class_dev_iter_exit(&iter);
- return devt;
-}
-
struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id,
struct lock_class_key *lkclass)
{