mirror of
https://github.com/SCST-project/scst.git
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Gleb Chesnokov
f52ae117b8
Support for the following changes in the Linux kernel v6.13:
- cdd30ebb1b9f ("module: Convert symbol namespace to string literal")
Fixes: https://github.com/SCST-project/scst/issues/273
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#include <linux/spinlock.h>
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#include "iscsi_trace_flag.h"
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#ifdef INSIDE_KERNEL_TREE
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#include <scst/iscsit_transport.h>
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#else
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#include "iscsit_transport.h"
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#endif
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#include "iscsi.h"
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#undef DEFAULT_SYMBOL_NAMESPACE
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#define DEFAULT_SYMBOL_NAMESPACE SCST_NAMESPACE
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static LIST_HEAD(transport_list);
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static DEFINE_MUTEX(transport_mutex);
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static struct iscsit_transport *__iscsit_get_transport(enum iscsit_transport_type type)
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{
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struct iscsit_transport *t;
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list_for_each_entry(t, &transport_list, transport_list_entry) {
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if (t->transport_type == type)
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return t;
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}
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return NULL;
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}
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struct iscsit_transport *iscsit_get_transport(enum iscsit_transport_type 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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t = __iscsit_get_transport(type);
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mutex_unlock(&transport_mutex);
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return t;
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}
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int iscsit_reg_transport(struct iscsit_transport *t)
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{
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struct iscsit_transport *tmp;
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int ret = 0;
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INIT_LIST_HEAD(&t->transport_list_entry);
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mutex_lock(&transport_mutex);
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tmp = __iscsit_get_transport(t->transport_type);
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if (tmp) {
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PRINT_ERROR("Unable to register transport type %d - Already registered",
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t->transport_type);
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ret = -EEXIST;
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} else {
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list_add_tail(&t->transport_list_entry, &transport_list);
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PRINT_INFO("Registered iSCSI transport: %s", t->name);
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}
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mutex_unlock(&transport_mutex);
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return ret;
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}
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EXPORT_SYMBOL(iscsit_reg_transport);
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void iscsit_unreg_transport(struct iscsit_transport *t)
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{
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mutex_lock(&transport_mutex);
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list_del(&t->transport_list_entry);
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mutex_unlock(&transport_mutex);
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PRINT_INFO("Unregistered iSCSI transport: %s", t->name);
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}
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EXPORT_SYMBOL(iscsit_unreg_transport);
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