Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
55 lines
1.2 KiB
C
55 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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void 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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}
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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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