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author | Paul Mundt <lethal@linux-sh.org> | 2011-03-17 07:44:08 (GMT) |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-17 07:44:08 (GMT) |
commit | 1d2a1959fe534279cf37aba20b08c24c20840e52 (patch) | |
tree | 67c0b9aa7fe22a44bf0b4af88947799203eb8f67 /drivers/target/target_core_tpg.c | |
parent | 5a79ce76e9bb8f4b2cd8106ee36d15ee05013bcf (diff) | |
parent | 054cfaacf88865bff1dd58d305443d5d6c068a08 (diff) | |
download | linux-1d2a1959fe534279cf37aba20b08c24c20840e52.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest
Diffstat (limited to 'drivers/target/target_core_tpg.c')
-rw-r--r-- | drivers/target/target_core_tpg.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index abfa81a..5ec745f 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -31,7 +31,6 @@ #include <linux/timer.h> #include <linux/slab.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/in.h> #include <net/sock.h> #include <net/tcp.h> @@ -275,7 +274,6 @@ struct se_node_acl *core_tpg_check_initiator_node_acl( spin_lock_init(&acl->device_list_lock); spin_lock_init(&acl->nacl_sess_lock); atomic_set(&acl->acl_pr_ref_count, 0); - atomic_set(&acl->mib_ref_count, 0); acl->queue_depth = TPG_TFO(tpg)->tpg_get_default_depth(tpg); snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname); acl->se_tpg = tpg; @@ -318,12 +316,6 @@ void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *nacl) cpu_relax(); } -void core_tpg_wait_for_mib_ref(struct se_node_acl *nacl) -{ - while (atomic_read(&nacl->mib_ref_count) != 0) - cpu_relax(); -} - void core_tpg_clear_object_luns(struct se_portal_group *tpg) { int i, ret; @@ -480,7 +472,6 @@ int core_tpg_del_initiator_node_acl( spin_unlock_bh(&tpg->session_lock); core_tpg_wait_for_nacl_pr_ref(acl); - core_tpg_wait_for_mib_ref(acl); core_clear_initiator_node_from_tpg(acl, tpg); core_free_device_list_for_node(acl, tpg); @@ -701,6 +692,8 @@ EXPORT_SYMBOL(core_tpg_register); int core_tpg_deregister(struct se_portal_group *se_tpg) { + struct se_node_acl *nacl, *nacl_tmp; + printk(KERN_INFO "TARGET_CORE[%s]: Deallocating %s struct se_portal_group" " for endpoint: %s Portal Tag %u\n", (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ? @@ -714,6 +707,25 @@ int core_tpg_deregister(struct se_portal_group *se_tpg) while (atomic_read(&se_tpg->tpg_pr_ref_count) != 0) cpu_relax(); + /* + * Release any remaining demo-mode generated se_node_acl that have + * not been released because of TFO->tpg_check_demo_mode_cache() == 1 + * in transport_deregister_session(). + */ + spin_lock_bh(&se_tpg->acl_node_lock); + list_for_each_entry_safe(nacl, nacl_tmp, &se_tpg->acl_node_list, + acl_list) { + list_del(&nacl->acl_list); + se_tpg->num_node_acls--; + spin_unlock_bh(&se_tpg->acl_node_lock); + + core_tpg_wait_for_nacl_pr_ref(nacl); + core_free_device_list_for_node(nacl, se_tpg); + TPG_TFO(se_tpg)->tpg_release_fabric_acl(se_tpg, nacl); + + spin_lock_bh(&se_tpg->acl_node_lock); + } + spin_unlock_bh(&se_tpg->acl_node_lock); if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) core_tpg_release_virtual_lun0(se_tpg); |