threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/spinlock.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <target/iscsi/iscsi_transport.h>
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static LIST_HEAD(g_transport_list);
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static DEFINE_MUTEX(transport_mutex);
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struct iscsit_transport *iscsit_get_transport(int type)
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{
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struct iscsit_transport *t;
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mutex_lock(&transport_mutex);
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list_for_each_entry(t, &g_transport_list, t_node) {
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if (t->transport_type == type) {
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if (t->owner && !try_module_get(t->owner)) {
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t = NULL;
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}
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mutex_unlock(&transport_mutex);
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return t;
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}
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}
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mutex_unlock(&transport_mutex);
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return NULL;
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}
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void iscsit_put_transport(struct iscsit_transport *t)
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{
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module_put(t->owner);
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}
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int iscsit_register_transport(struct iscsit_transport *t)
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{
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INIT_LIST_HEAD(&t->t_node);
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mutex_lock(&transport_mutex);
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list_add_tail(&t->t_node, &g_transport_list);
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mutex_unlock(&transport_mutex);
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pr_debug("Registered iSCSI transport: %s\n", t->name);
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return 0;
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}
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EXPORT_SYMBOL(iscsit_register_transport);
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void iscsit_unregister_transport(struct iscsit_transport *t)
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{
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mutex_lock(&transport_mutex);
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list_del(&t->t_node);
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mutex_unlock(&transport_mutex);
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pr_debug("Unregistered iSCSI transport: %s\n", t->name);
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}
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EXPORT_SYMBOL(iscsit_unregister_transport);
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