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authorChristoph Hellwig <hch@lst.de>2015-04-13 20:51:13 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2015-05-31 08:41:50 +0300
commite1750d20e69477c0d7b26d6e0ba24c3c9ec47530 (patch)
treec54f6d625cb55009c692b3d2841bd35d7c724f60 /drivers/target/target_core_tpg.c
parent55570113a955091af5fafa94cd50914d994e09ae (diff)
downloadlinux-e1750d20e69477c0d7b26d6e0ba24c3c9ec47530.tar.xz
target: make the tpg_get_default_depth method optional
All fabric drivers except for iSCSI always return 1, so implement that as default behavior. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_tpg.c')
-rw-r--r--drivers/target/target_core_tpg.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 47f064415bf6..5a9deb2b24af 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -282,7 +282,10 @@ 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);
- acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
+ if (tpg->se_tpg_tfo->tpg_get_default_depth)
+ acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
+ else
+ acl->queue_depth = 1;
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);