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authorJörn Engel <joern@logfs.org>2012-03-15 15:05:40 -0400
committerNicholas Bellinger <nab@linux-iscsi.org>2012-03-15 19:15:51 -0700
commitf2083241f23722207676025abbb45a301d412e69 (patch)
treec340376faf2a1eebe0983075adee2a3c8070c064 /drivers/target/target_core_pr.c
parent4a5a75f32dcbcd0b2685f74fd4ede26edf8765a9 (diff)
target: Use array_zalloc for device_list
Turns an order-8 allocation into slab-sized ones, thereby preventing allocation failures with memory fragmentation. This likely saves memory as well, as the slab allocator can pack objects more tightly than the buddy allocator. (nab: Fix lio-core patch fuzz) Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_pr.c')
-rw-r--r--drivers/target/target_core_pr.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 6beada82016..de3e4f2f60b 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -328,7 +328,7 @@ static int core_scsi3_pr_seq_non_holder(
return core_scsi2_reservation_seq_non_holder(cmd,
cdb, pr_reg_type);
- se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
/*
* Determine if the registration should be ignored due to
* non-matching ISIDs in core_scsi3_pr_reservation_check().
@@ -990,7 +990,7 @@ int core_scsi3_check_aptpl_registration(
{
struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct se_node_acl *nacl = lun_acl->se_lun_nacl;
- struct se_dev_entry *deve = &nacl->device_list[lun_acl->mapped_lun];
+ struct se_dev_entry *deve = nacl->device_list[lun_acl->mapped_lun];
if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
@@ -1499,7 +1499,7 @@ static int core_scsi3_decode_spec_i_port(
memset(dest_iport, 0, 64);
- local_se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ local_se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
/*
* Allocate a struct pr_transport_id_holder and setup the
* local_node_acl and local_se_deve pointers and add to
@@ -2116,7 +2116,7 @@ static int core_scsi3_emulate_pro_register(
return -EINVAL;
}
se_tpg = se_sess->se_tpg;
- se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
if (se_tpg->se_tpg_tfo->sess_get_initiator_sid) {
memset(&isid_buf[0], 0, PR_REG_ISID_LEN);
@@ -2432,7 +2432,7 @@ static int core_scsi3_pro_reserve(
return -EINVAL;
}
se_tpg = se_sess->se_tpg;
- se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
/*
* Locate the existing *pr_reg via struct se_node_acl pointers
*/
@@ -3005,7 +3005,7 @@ static int core_scsi3_pro_preempt(
return -EINVAL;
}
- se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
pr_reg_n = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
se_sess);
if (!pr_reg_n) {
@@ -3366,7 +3366,7 @@ static int core_scsi3_emulate_pro_register_and_move(
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
se_tpg = se_sess->se_tpg;
tf_ops = se_tpg->se_tpg_tfo;
- se_deve = &se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
+ se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
/*
* Follow logic from spc4r17 Section 5.7.8, Table 50 --
* Register behaviors for a REGISTER AND MOVE service action