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md: switch personalities to use md_submodule_head

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Remove the global list 'pers_list', and switch to use md_submodule_head,
which is managed by xarry. Prepare to unify registration and unregistration
for all sub modules.

Link: https://lore.kernel.org/linux-raid/20250215092225.2427977-5-yukuai1@huaweicloud.com
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
This commit is contained in:
Yu Kuai
2025-02-15 17:22:22 +08:00
committed by Yu Kuai
parent d3beb7c9c6
commit 3d44e1d157
7 changed files with 130 additions and 106 deletions
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18
drivers/md/raid0.c
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@@ -811,9 +811,13 @@ static void raid0_quiesce(struct mddev *mddev, int quiesce)
static struct md_personality raid0_personality=
{
.name = "raid0",
.level = 0,
.owner = THIS_MODULE,
.head = {
.type = MD_PERSONALITY,
.id = ID_RAID0,
.name = "raid0",
.owner = THIS_MODULE,
},
.make_request = raid0_make_request,
.run = raid0_run,
.free = raid0_free,
@@ -824,14 +828,14 @@ static struct md_personality raid0_personality=
.error_handler = raid0_error,
};
static int __init raid0_init (void)
static int __init raid0_init(void)
{
return register_md_personality (&raid0_personality);
return register_md_submodule(&raid0_personality.head);
}
static void raid0_exit (void)
static void __exit raid0_exit(void)
{
unregister_md_personality (&raid0_personality);
unregister_md_submodule(&raid0_personality.head);
}
module_init(raid0_init);