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Merge branch 'next' (accumulated 3.16 merge window patches) into master

Browse source 
Now that 3.15 is released, this merges the 'next' branch into 'master',
bringing us to the normal situation where my 'master' branch is the
merge window.

* accumulated work in next: (6809 commits)
  ufs: sb mutex merge + mutex_destroy
  powerpc: update comments for generic idle conversion
  cris: update comments for generic idle conversion
  idle: remove cpu_idle() forward declarations
  nbd: zero from and len fields in NBD_CMD_DISCONNECT.
  mm: convert some level-less printks to pr_*
  MAINTAINERS: adi-buildroot-devel is moderated
  MAINTAINERS: add linux-api for review of API/ABI changes
  mm/kmemleak-test.c: use pr_fmt for logging
  fs/dlm/debug_fs.c: replace seq_printf by seq_puts
  fs/dlm/lockspace.c: convert simple_str to kstr
  fs/dlm/config.c: convert simple_str to kstr
  mm: mark remap_file_pages() syscall as deprecated
  mm: memcontrol: remove unnecessary memcg argument from soft limit functions
  mm: memcontrol: clean up memcg zoneinfo lookup
  mm/memblock.c: call kmemleak directly from memblock_(alloc|free)
  mm/mempool.c: update the kmemleak stack trace for mempool allocations
  lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations
  mm: introduce kmemleak_update_trace()
  mm/kmemleak.c: use %u to print ->checksum
  ...
This commit is contained in:
Linus Torvalds 2014-06-08 11:31:16 -07:00
commit 3f17ea6dea
5560 changed files with 308529 additions and 157791 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/target/loopback/tcm_loop.c
View file

@ -951,7 +951,7 @@ static int tcm_loop_port_link(
struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
atomic_inc(&tl_tpg->tl_tpg_port_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
/*
* Add Linux/SCSI struct scsi_device by HCTL
*/
@ -986,7 +986,7 @@ static void tcm_loop_port_unlink(
scsi_device_put(sd);
atomic_dec(&tl_tpg->tl_tpg_port_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
pr_debug("TCM_Loop_ConfigFS: Port Unlink Successful\n");
}

26
drivers/target/target_core_alua.c
View file

@ -393,7 +393,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
continue;
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
@ -404,7 +404,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
break;
}
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
@ -999,7 +999,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
* TARGET PORT GROUPS command
*/
atomic_inc(&mem->tg_pt_gp_mem_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
spin_lock_bh(&port->sep_alua_lock);
@ -1029,7 +1029,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
atomic_dec(&mem->tg_pt_gp_mem_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
/*
@ -1063,7 +1063,7 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state));
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
if (tg_pt_gp->tg_pt_gp_transition_complete)
@ -1125,7 +1125,7 @@ static int core_alua_do_transition_tg_pt(
*/
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs) {
@ -1168,7 +1168,7 @@ int core_alua_do_port_transition(
spin_lock(&local_lu_gp_mem->lu_gp_mem_lock);
lu_gp = local_lu_gp_mem->lu_gp;
atomic_inc(&lu_gp->lu_gp_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&local_lu_gp_mem->lu_gp_mem_lock);
/*
* For storage objects that are members of the 'default_lu_gp',
@ -1185,7 +1185,7 @@ int core_alua_do_port_transition(
rc = core_alua_do_transition_tg_pt(l_tg_pt_gp,
new_state, explicit);
atomic_dec(&lu_gp->lu_gp_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
return rc;
}
/*
@ -1199,7 +1199,7 @@ int core_alua_do_port_transition(
dev = lu_gp_mem->lu_gp_mem_dev;
atomic_inc(&lu_gp_mem->lu_gp_mem_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&lu_gp->lu_gp_lock);
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
@ -1228,7 +1228,7 @@ int core_alua_do_port_transition(
tg_pt_gp->tg_pt_gp_alua_nacl = NULL;
}
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
/*
* core_alua_do_transition_tg_pt() will always return
@ -1239,7 +1239,7 @@ int core_alua_do_port_transition(
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
if (rc)
break;
}
@ -1247,7 +1247,7 @@ int core_alua_do_port_transition(
spin_lock(&lu_gp->lu_gp_lock);
atomic_dec(&lu_gp_mem->lu_gp_mem_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&lu_gp->lu_gp_lock);
@ -1261,7 +1261,7 @@ int core_alua_do_port_transition(
}
atomic_dec(&lu_gp->lu_gp_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
return rc;
}

6
drivers/target/target_core_device.c
View file

@ -225,7 +225,7 @@ struct se_dev_entry *core_get_se_deve_from_rtpi(
continue;
atomic_inc(&deve->pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock_irq(&nacl->device_list_lock);
return deve;
@ -1396,7 +1396,7 @@ int core_dev_add_initiator_node_lun_acl(
spin_lock(&lun->lun_acl_lock);
list_add_tail(&lacl->lacl_list, &lun->lun_acl_list);
atomic_inc(&lun->lun_acl_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&lun->lun_acl_lock);
pr_debug("%s_TPG[%hu]_LUN[%u->%u] - Added %s ACL for "
@ -1430,7 +1430,7 @@ int core_dev_del_initiator_node_lun_acl(
spin_lock(&lun->lun_acl_lock);
list_del(&lacl->lacl_list);
atomic_dec(&lun->lun_acl_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
spin_unlock(&lun->lun_acl_lock);
core_disable_device_list_for_node(lun, NULL, lacl->mapped_lun,

2
drivers/target/target_core_iblock.c
View file

@ -323,7 +323,7 @@ static void iblock_bio_done(struct bio *bio, int err)
* Bump the ib_bio_err_cnt and release bio.
*/
atomic_inc(&ibr->ib_bio_err_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
}
bio_put(bio);

56
drivers/target/target_core_pr.c
View file

@ -675,7 +675,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
spin_lock(&dev->se_port_lock);
list_for_each_entry_safe(port, port_tmp, &dev->dev_sep_list, sep_list) {
atomic_inc(&port->sep_tg_pt_ref_cnt);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->se_port_lock);
spin_lock_bh(&port->sep_alua_lock);
@ -710,7 +710,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
continue;
atomic_inc(&deve_tmp->pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock_bh(&port->sep_alua_lock);
/*
* Grab a configfs group dependency that is released
@ -723,9 +723,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
pr_err("core_scsi3_lunacl_depend"
"_item() failed\n");
atomic_dec(&port->sep_tg_pt_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
atomic_dec(&deve_tmp->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
goto out;
}
/*
@ -740,9 +740,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
sa_res_key, all_tg_pt, aptpl);
if (!pr_reg_atp) {
atomic_dec(&port->sep_tg_pt_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
atomic_dec(&deve_tmp->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
core_scsi3_lunacl_undepend_item(deve_tmp);
goto out;
}
@ -755,7 +755,7 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
spin_lock(&dev->se_port_lock);
atomic_dec(&port->sep_tg_pt_ref_cnt);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&dev->se_port_lock);
@ -1110,7 +1110,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg(
continue;
}
atomic_inc(&pr_reg->pr_res_holders);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&pr_tmpl->registration_lock);
return pr_reg;
}
@ -1125,7 +1125,7 @@ static struct t10_pr_registration *__core_scsi3_locate_pr_reg(
continue;
atomic_inc(&pr_reg->pr_res_holders);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&pr_tmpl->registration_lock);
return pr_reg;
}
@ -1155,7 +1155,7 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg(
static void core_scsi3_put_pr_reg(struct t10_pr_registration *pr_reg)
{
atomic_dec(&pr_reg->pr_res_holders);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
static int core_scsi3_check_implicit_release(
@ -1349,7 +1349,7 @@ static void core_scsi3_tpg_undepend_item(struct se_portal_group *tpg)
&tpg->tpg_group.cg_item);
atomic_dec(&tpg->tpg_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
static int core_scsi3_nodeacl_depend_item(struct se_node_acl *nacl)
@ -1369,7 +1369,7 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl)
if (nacl->dynamic_node_acl) {
atomic_dec(&nacl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
return;
}
@ -1377,7 +1377,7 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl)
&nacl->acl_group.cg_item);
atomic_dec(&nacl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve)
@ -1408,7 +1408,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve)
*/
if (!lun_acl) {
atomic_dec(&se_deve->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
return;
}
nacl = lun_acl->se_lun_nacl;
@ -1418,7 +1418,7 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve)
&lun_acl->se_lun_group.cg_item);
atomic_dec(&se_deve->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
static sense_reason_t
@ -1552,14 +1552,14 @@ core_scsi3_decode_spec_i_port(
continue;
atomic_inc(&tmp_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->se_port_lock);
if (core_scsi3_tpg_depend_item(tmp_tpg)) {
pr_err(" core_scsi3_tpg_depend_item()"
" for tmp_tpg\n");
atomic_dec(&tmp_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto out_unmap;
}
@ -1573,7 +1573,7 @@ core_scsi3_decode_spec_i_port(
tmp_tpg, i_str);
if (dest_node_acl) {
atomic_inc(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
}
spin_unlock_irq(&tmp_tpg->acl_node_lock);
@ -1587,7 +1587,7 @@ core_scsi3_decode_spec_i_port(
pr_err("configfs_depend_item() failed"
" for dest_node_acl->acl_group\n");
atomic_dec(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
core_scsi3_tpg_undepend_item(tmp_tpg);
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto out_unmap;
@ -1647,7 +1647,7 @@ core_scsi3_decode_spec_i_port(
pr_err("core_scsi3_lunacl_depend_item()"
" failed\n");
atomic_dec(&dest_se_deve->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
@ -3168,14 +3168,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
continue;
atomic_inc(&dest_se_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&dev->se_port_lock);
if (core_scsi3_tpg_depend_item(dest_se_tpg)) {
pr_err("core_scsi3_tpg_depend_item() failed"
" for dest_se_tpg\n");
atomic_dec(&dest_se_tpg->tpg_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto out_put_pr_reg;
}
@ -3273,7 +3273,7 @@ after_iport_check:
initiator_str);
if (dest_node_acl) {
atomic_inc(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
}
spin_unlock_irq(&dest_se_tpg->acl_node_lock);
@ -3289,7 +3289,7 @@ after_iport_check:
pr_err("core_scsi3_nodeacl_depend_item() for"
" dest_node_acl\n");
atomic_dec(&dest_node_acl->acl_pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
dest_node_acl = NULL;
ret = TCM_INVALID_PARAMETER_LIST;
goto out;
@ -3314,7 +3314,7 @@ after_iport_check:
if (core_scsi3_lunacl_depend_item(dest_se_deve)) {
pr_err("core_scsi3_lunacl_depend_item() failed\n");
atomic_dec(&dest_se_deve->pr_ref_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
dest_se_deve = NULL;
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto out;
@ -3880,7 +3880,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
add_desc_len = 0;
atomic_inc(&pr_reg->pr_res_holders);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock(&pr_tmpl->registration_lock);
/*
* Determine expected length of $FABRIC_MOD specific
@ -3894,7 +3894,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
" out of buffer: %d\n", cmd->data_length);
spin_lock(&pr_tmpl->registration_lock);
atomic_dec(&pr_reg->pr_res_holders);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
break;
}
/*
@ -3956,7 +3956,7 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
spin_lock(&pr_tmpl->registration_lock);
atomic_dec(&pr_reg->pr_res_holders);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
/*
* Set the ADDITIONAL DESCRIPTOR LENGTH
*/

16
drivers/target/target_core_transport.c
View file

@ -736,7 +736,7 @@ void target_qf_do_work(struct work_struct *work)
list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) {
list_del(&cmd->se_qf_node);
atomic_dec(&dev->dev_qf_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue"
" context: %s\n", cmd->se_tfo->get_fabric_name(), cmd,
@ -1149,7 +1149,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd)
* Dormant to Active status.
*/
cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n",
cmd->se_ordered_id, cmd->sam_task_attr,
dev->transport->name);
@ -1706,7 +1706,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd)
return false;
case MSG_ORDERED_TAG:
atomic_inc(&dev->dev_ordered_sync);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
pr_debug("Added ORDERED for CDB: 0x%02x to ordered list, "
" se_ordered_id: %u\n",
@ -1724,7 +1724,7 @@ static bool target_handle_task_attr(struct se_cmd *cmd)
* For SIMPLE and UNTAGGED Task Attribute commands
*/
atomic_inc(&dev->simple_cmds);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
break;
}
@ -1829,7 +1829,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
if (cmd->sam_task_attr == MSG_SIMPLE_TAG) {
atomic_dec(&dev->simple_cmds);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
dev->dev_cur_ordered_id++;
pr_debug("Incremented dev->dev_cur_ordered_id: %u for"
" SIMPLE: %u\n", dev->dev_cur_ordered_id,
@ -1841,7 +1841,7 @@ static void transport_complete_task_attr(struct se_cmd *cmd)
cmd->se_ordered_id);
} else if (cmd->sam_task_attr == MSG_ORDERED_TAG) {
atomic_dec(&dev->dev_ordered_sync);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
dev->dev_cur_ordered_id++;
pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED:"
@ -1900,7 +1900,7 @@ static void transport_handle_queue_full(
spin_lock_irq(&dev->qf_cmd_lock);
list_add_tail(&cmd->se_qf_node, &cmd->se_dev->qf_cmd_list);
atomic_inc(&dev->dev_qf_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
spin_unlock_irq(&cmd->se_dev->qf_cmd_lock);
schedule_work(&cmd->se_dev->qf_work_queue);
@ -2875,7 +2875,7 @@ void transport_send_task_abort(struct se_cmd *cmd)
if (cmd->se_tfo->write_pending_status(cmd) != 0) {
cmd->transport_state |= CMD_T_ABORTED;
cmd->se_cmd_flags |= SCF_SEND_DELAYED_TAS;
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
return;
}
}

10
drivers/target/target_core_ua.c
View file

@ -162,7 +162,7 @@ int core_scsi3_ua_allocate(
spin_unlock_irq(&nacl->device_list_lock);
atomic_inc(&deve->ua_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
return 0;
}
list_add_tail(&ua->ua_nacl_list, &deve->ua_list);
@ -175,7 +175,7 @@ int core_scsi3_ua_allocate(
asc, ascq);
atomic_inc(&deve->ua_count);
smp_mb__after_atomic_inc();
smp_mb__after_atomic();
return 0;
}
@ -190,7 +190,7 @@ void core_scsi3_ua_release_all(
kmem_cache_free(se_ua_cache, ua);
atomic_dec(&deve->ua_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&deve->ua_lock);
}
@ -251,7 +251,7 @@ void core_scsi3_ua_for_check_condition(
kmem_cache_free(se_ua_cache, ua);
atomic_dec(&deve->ua_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&deve->ua_lock);
spin_unlock_irq(&nacl->device_list_lock);
@ -310,7 +310,7 @@ int core_scsi3_ua_clear_for_request_sense(
kmem_cache_free(se_ua_cache, ua);
atomic_dec(&deve->ua_count);
smp_mb__after_atomic_dec();
smp_mb__after_atomic();
}
spin_unlock(&deve->ua_lock);
spin_unlock_irq(&nacl->device_list_lock);