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author | Dmitry Bogdanov <d.bogdanov@yadro.com> | 2022-05-23 12:59:03 +0300 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-06-07 21:55:11 -0400 |
commit | a11b80692be5c408a33ea89e3fe1a240bef8c820 (patch) | |
tree | 75392d8ec55032080d99c6f5fe5c36bedfde749f /drivers | |
parent | 4dc48a107a146cade61097958ff2366c13da1f60 (diff) | |
download | linux-stable-a11b80692be5c408a33ea89e3fe1a240bef8c820.tar.gz linux-stable-a11b80692be5c408a33ea89e3fe1a240bef8c820.tar.bz2 linux-stable-a11b80692be5c408a33ea89e3fe1a240bef8c820.zip |
scsi: target: iscsi: Add upcast helpers
iSCSI target is cluttered with open-coded container_of() conversions from
se_nacl to iscsi_node_acl. The code could be cleaned by introducing a
helper - to_iscsi_nacl() (similar to other helpers in target core).
While at it, make another iSCSI conversion helper consistent and rename
iscsi_tpg() helper to to_iscsi_tpg().
Link: https://lore.kernel.org/r/20220523095905.26070-2-d.bogdanov@yadro.com
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Konstantin Shelekhin <k.shelekhin@yadro.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/target/iscsi/iscsi_target_configfs.c | 82 | ||||
-rw-r--r-- | drivers/target/iscsi/iscsi_target_nego.c | 14 | ||||
-rw-r--r-- | drivers/target/iscsi/iscsi_target_tpg.c | 3 |
3 files changed, 37 insertions, 62 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index ce14540ba650..b01b6701c144 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -210,7 +210,7 @@ static struct se_tpg_np *lio_target_call_addnptotpg( return ERR_PTR(ret); } - tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); + tpg = to_iscsi_tpg(se_tpg); ret = iscsit_get_tpg(tpg); if (ret < 0) return ERR_PTR(-EINVAL); @@ -281,9 +281,7 @@ static ssize_t iscsi_nacl_attrib_##name##_show(struct config_item *item,\ char *page) \ { \ struct se_node_acl *se_nacl = attrib_to_nacl(item); \ - struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ - se_node_acl); \ - \ + struct iscsi_node_acl *nacl = to_iscsi_nacl(se_nacl); \ return sprintf(page, "%u\n", nacl->node_attrib.name); \ } \ \ @@ -291,8 +289,7 @@ static ssize_t iscsi_nacl_attrib_##name##_store(struct config_item *item,\ const char *page, size_t count) \ { \ struct se_node_acl *se_nacl = attrib_to_nacl(item); \ - struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ - se_node_acl); \ + struct iscsi_node_acl *nacl = to_iscsi_nacl(se_nacl); \ u32 val; \ int ret; \ \ @@ -377,15 +374,14 @@ static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ char *page) \ { \ struct se_node_acl *nacl = auth_to_nacl(item); \ - return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ - struct iscsi_node_acl, se_node_acl), page); \ + return __iscsi_nacl_auth_##name##_show(to_iscsi_nacl(nacl), page); \ } \ static ssize_t iscsi_nacl_auth_##name##_store(struct config_item *item, \ const char *page, size_t count) \ { \ struct se_node_acl *nacl = auth_to_nacl(item); \ - return __iscsi_nacl_auth_##name##_store(container_of(nacl, \ - struct iscsi_node_acl, se_node_acl), page, count); \ + return __iscsi_nacl_auth_##name##_store(to_iscsi_nacl(nacl), \ + page, count); \ } \ \ CONFIGFS_ATTR(iscsi_nacl_auth_, name) @@ -417,8 +413,7 @@ static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ char *page) \ { \ struct se_node_acl *nacl = auth_to_nacl(item); \ - return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ - struct iscsi_node_acl, se_node_acl), page); \ + return __iscsi_nacl_auth_##name##_show(to_iscsi_nacl(nacl), page); \ } \ \ CONFIGFS_ATTR_RO(iscsi_nacl_auth_, name) @@ -623,8 +618,7 @@ static ssize_t lio_target_nacl_cmdsn_depth_store(struct config_item *item, { struct se_node_acl *se_nacl = acl_to_nacl(item); struct se_portal_group *se_tpg = se_nacl->se_tpg; - struct iscsi_portal_group *tpg = container_of(se_tpg, - struct iscsi_portal_group, tpg_se_tpg); + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); struct config_item *acl_ci, *tpg_ci, *wwn_ci; u32 cmdsn_depth = 0; int ret; @@ -700,8 +694,7 @@ static struct configfs_attribute *lio_target_initiator_attrs[] = { static int lio_target_init_nodeacl(struct se_node_acl *se_nacl, const char *name) { - struct iscsi_node_acl *acl = - container_of(se_nacl, struct iscsi_node_acl, se_node_acl); + struct iscsi_node_acl *acl = to_iscsi_nacl(se_nacl); config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, "iscsi_sess_stats", &iscsi_stat_sess_cit); @@ -720,8 +713,7 @@ static ssize_t iscsi_tpg_attrib_##name##_show(struct config_item *item, \ char *page) \ { \ struct se_portal_group *se_tpg = attrib_to_tpg(item); \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ ssize_t rb; \ \ if (iscsit_get_tpg(tpg) < 0) \ @@ -736,8 +728,7 @@ static ssize_t iscsi_tpg_attrib_##name##_store(struct config_item *item,\ const char *page, size_t count) \ { \ struct se_portal_group *se_tpg = attrib_to_tpg(item); \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ u32 val; \ int ret; \ \ @@ -800,8 +791,7 @@ static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ char *page) \ { \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ \ if (!capable(CAP_SYS_ADMIN)) \ @@ -813,8 +803,7 @@ static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, static ssize_t __iscsi_##prefix##_##name##_store(struct se_portal_group *se_tpg,\ const char *page, size_t count) \ { \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ \ if (!capable(CAP_SYS_ADMIN)) \ @@ -861,8 +850,7 @@ DEF_TPG_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ char *page) \ { \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ \ if (!capable(CAP_SYS_ADMIN)) \ @@ -900,8 +888,7 @@ static ssize_t iscsi_tpg_param_##name##_show(struct config_item *item, \ char *page) \ { \ struct se_portal_group *se_tpg = param_to_tpg(item); \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ struct iscsi_param *param; \ ssize_t rb; \ \ @@ -923,8 +910,7 @@ static ssize_t iscsi_tpg_param_##name##_store(struct config_item *item, \ const char *page, size_t count) \ { \ struct se_portal_group *se_tpg = param_to_tpg(item); \ - struct iscsi_portal_group *tpg = container_of(se_tpg, \ - struct iscsi_portal_group, tpg_se_tpg); \ + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); \ char *buf; \ int ret, len; \ \ @@ -1073,8 +1059,7 @@ free_out: static int lio_target_tiqn_enabletpg(struct se_portal_group *se_tpg, bool enable) { - struct iscsi_portal_group *tpg = container_of(se_tpg, - struct iscsi_portal_group, tpg_se_tpg); + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); int ret; ret = iscsit_get_tpg(tpg); @@ -1106,7 +1091,7 @@ static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) struct iscsi_portal_group *tpg; struct iscsi_tiqn *tiqn; - tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); + tpg = to_iscsi_tpg(se_tpg); tiqn = tpg->tpg_tiqn; /* * iscsit_tpg_del_portal_group() assumes force=1 @@ -1416,46 +1401,41 @@ static void lio_aborted_task(struct se_cmd *se_cmd) cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd); } -static inline struct iscsi_portal_group *iscsi_tpg(struct se_portal_group *se_tpg) -{ - return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); -} - static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn; + return to_iscsi_tpg(se_tpg)->tpg_tiqn->tiqn; } static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpgt; + return to_iscsi_tpg(se_tpg)->tpgt; } static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth; + return to_iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth; } static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls; + return to_iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls; } static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls; + return to_iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls; } static int lio_tpg_check_demo_mode_write_protect( struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect; + return to_iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect; } static int lio_tpg_check_prod_mode_write_protect( struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect; + return to_iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect; } static int lio_tpg_check_prot_fabric_only( @@ -1465,9 +1445,9 @@ static int lio_tpg_check_prot_fabric_only( * Only report fabric_prot_type if t10_pi has also been enabled * for incoming ib_isert sessions. */ - if (!iscsi_tpg(se_tpg)->tpg_attrib.t10_pi) + if (!to_iscsi_tpg(se_tpg)->tpg_attrib.t10_pi) return 0; - return iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type; + return to_iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type; } /* @@ -1504,16 +1484,14 @@ static void lio_tpg_close_session(struct se_session *se_sess) static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) { - return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index; + return to_iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index; } static void lio_set_default_node_attributes(struct se_node_acl *se_acl) { - struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, - se_node_acl); + struct iscsi_node_acl *acl = to_iscsi_nacl(se_acl); struct se_portal_group *se_tpg = se_acl->se_tpg; - struct iscsi_portal_group *tpg = container_of(se_tpg, - struct iscsi_portal_group, tpg_se_tpg); + struct iscsi_portal_group *tpg = to_iscsi_tpg(se_tpg); acl->node_attrib.nacl = acl; iscsit_set_default_node_attribues(acl, tpg); diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index b34ac9ecac31..d853bacf1cfc 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -104,8 +104,8 @@ static u32 iscsi_handle_authentication( { struct iscsit_session *sess = conn->sess; struct iscsi_node_auth *auth; - struct iscsi_node_acl *iscsi_nacl; - struct iscsi_portal_group *iscsi_tpg; + struct iscsi_node_acl *nacl; + struct iscsi_portal_group *tpg; struct se_node_acl *se_nacl; if (!sess->sess_ops->SessionType) { @@ -120,15 +120,13 @@ static u32 iscsi_handle_authentication( } if (se_nacl->dynamic_node_acl) { - iscsi_tpg = container_of(se_nacl->se_tpg, - struct iscsi_portal_group, tpg_se_tpg); + tpg = to_iscsi_tpg(se_nacl->se_tpg); - auth = &iscsi_tpg->tpg_demo_auth; + auth = &tpg->tpg_demo_auth; } else { - iscsi_nacl = container_of(se_nacl, struct iscsi_node_acl, - se_node_acl); + nacl = to_iscsi_nacl(se_nacl); - auth = &iscsi_nacl->node_auth; + auth = &nacl->node_auth; } } else { /* diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 4339ee517434..3cac1aafef68 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -394,8 +394,7 @@ struct iscsi_node_attrib *iscsit_tpg_get_node_attrib( { struct se_session *se_sess = sess->se_sess; struct se_node_acl *se_nacl = se_sess->se_node_acl; - struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl, - se_node_acl); + struct iscsi_node_acl *acl = to_iscsi_nacl(se_nacl); return &acl->node_attrib; } |