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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

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Pull target updates from Nicholas Bellinger:
 "It has been a very busy development cycle this time around in target
  land, with the highlights including:

   - Kill struct se_subsystem_dev, in favor of direct se_device usage
     (hch)
   - Simplify reservations code by combining SPC-3 + SCSI-2 support for
     virtual backends only (hch)
   - Simplify ALUA code for virtual only backends, and remove left over
     abstractions (hch)
   - Pass sense_reason_t as return value for I/O submission path (hch)
   - Refactor MODE_SENSE emulation to allow for easier addition of new
     mode pages.  (roland)
   - Add emulation of MODE_SELECT (roland)
   - Fix bug in handling of ExpStatSN wrap-around (steve)
   - Fix bug in TMR ABORT_TASK lookup in qla2xxx target (steve)
   - Add WRITE_SAME w/ UNMAP=0 support for IBLOCK backends (nab)
   - Convert ib_srpt to use modern target_submit_cmd caller + drop
     legacy ioctx->kref usage (nab)
   - Convert ib_srpt to use modern target_submit_tmr caller (nab)
   - Add link_magic for fabric allow_link destination target_items for
     symlinks within target_core_fabric_configfs.c code (nab)
   - Allocate pointers in instead of full structs for
     config_group->default_groups (sebastian)
   - Fix 32-bit highmem breakage for FILEIO (sebastian)

  All told, hch was able to shave off another ~1K LOC by killing the
  se_subsystem_dev abstraction, along with a number of PR + ALUA
  simplifications.  Also, a nice patch by Roland is the refactoring of
  MODE_SENSE handling, along with the addition of initial MODE_SELECT
  emulation support for virtual backends.

  Sebastian found a long-standing issue wrt to allocation of full
  config_group instead of pointers for config_group->default_group[]
  setup in a number of areas, which ends up saving memory with big
  configurations.  He also managed to fix another long-standing BUG wrt
  to broken 32-bit highmem support within the FILEIO backend driver.

  Thank you again to everyone who contributed this round!"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (50 commits)
  target/iscsi_target: Add NodeACL tags for initiator group support
  target/tcm_fc: fix the lockdep warning due to inconsistent lock state
  sbp-target: fix error path in sbp_make_tpg()
  sbp-target: use simple assignment in tgt_agent_rw_agent_state()
  iscsi-target: use kstrdup() for iscsi_param
  target/file: merge fd_do_readv() and fd_do_writev()
  target/file: Fix 32-bit highmem breakage for SGL -> iovec mapping
  target: Add link_magic for fabric allow_link destination target_items
  ib_srpt: Convert TMR path to target_submit_tmr
  ib_srpt: Convert I/O path to target_submit_cmd + drop legacy ioctx->kref
  target: Make spc_get_write_same_sectors return sector_t
  target/configfs: use kmalloc() instead of kzalloc() for default groups
  target/configfs: allocate only 6 slots for dev_cg->default_groups
  target/configfs: allocate pointers instead of full struct for default_groups
  target: update error handling for sbc_setup_write_same()
  iscsit: use GFP_ATOMIC under spin lock
  iscsi_target: Remove redundant null check before kfree
  target/iblock: Forward declare bio helpers
  target: Clean up flow in transport_check_aborted_status()
  target: Clean up logic in transport_put_cmd()
  ...
This commit is contained in:
Linus Torvalds 2012-12-15 14:25:10 -08:00
commit 5bd665f28d
49 changed files with 2845 additions and 3989 deletions
Download patch file Download diff file Expand all files Collapse all files

21
drivers/scsi/qla2xxx/qla_target.c
View file

@ -1264,8 +1264,27 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess)
{
struct qla_hw_data *ha = vha->hw;
struct se_session *se_sess = sess->se_sess;
struct qla_tgt_mgmt_cmd *mcmd;
struct se_cmd *se_cmd;
u32 lun = 0;
int rc;
bool found_lun = false;
spin_lock(&se_sess->sess_cmd_lock);
list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
struct qla_tgt_cmd *cmd =
container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
if (cmd->tag == abts->exchange_addr_to_abort) {
lun = cmd->unpacked_lun;
found_lun = true;
break;
}
}
spin_unlock(&se_sess->sess_cmd_lock);
if (!found_lun)
return -ENOENT;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f,
"qla_target(%d): task abort (tag=%d)\n",
@ -1283,7 +1302,7 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
mcmd->sess = sess;
memcpy(&mcmd->orig_iocb.abts, abts, sizeof(mcmd->orig_iocb.abts));
rc = ha->tgt.tgt_ops->handle_tmr(mcmd, 0, TMR_ABORT_TASK,
rc = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, TMR_ABORT_TASK,
abts->exchange_addr_to_abort);
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,

4
drivers/scsi/qla2xxx/tcm_qla2xxx.c
View file

@ -620,8 +620,8 @@ static void tcm_qla2xxx_handle_data_work(struct work_struct *work)
return;
}
cmd->se_cmd.scsi_sense_reason = TCM_CHECK_CONDITION_ABORT_CMD;
transport_generic_request_failure(&cmd->se_cmd);
transport_generic_request_failure(&cmd->se_cmd,
TCM_CHECK_CONDITION_ABORT_CMD);
return;
}