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

Browse Source 
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
parent 115b1cc2ef 79e62fc382
commit 5bd665f28d
49 changed files with 2859 additions and 4003 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/target/iscsi/iscsi_target_parameters.c
View File

@@ -154,22 +154,18 @@ static struct iscsi_param *iscsi_set_default_param(struct iscsi_param_list *para
}
INIT_LIST_HEAD(&param->p_list);
param->name = kzalloc(strlen(name) + 1, GFP_KERNEL);
param->name = kstrdup(name, GFP_KERNEL);
if (!param->name) {
pr_err("Unable to allocate memory for parameter name.\n");
goto out;
}
param->value = kzalloc(strlen(value) + 1, GFP_KERNEL);
param->value = kstrdup(value, GFP_KERNEL);
if (!param->value) {
pr_err("Unable to allocate memory for parameter value.\n");
goto out;
}
memcpy(param->name, name, strlen(name));
param->name[strlen(name)] = '\0';
memcpy(param->value, value, strlen(value));
param->value[strlen(value)] = '\0';
param->phase = phase;
param->scope = scope;
param->sender = sender;
@@ -635,11 +631,8 @@ void iscsi_release_param_list(struct iscsi_param_list *param_list)
list_del(&param->p_list);
kfree(param->name);
param->name = NULL;
kfree(param->value);
param->value = NULL;
kfree(param);
param = NULL;
}
iscsi_release_extra_responses(param_list);
@@ -687,15 +680,12 @@ int iscsi_update_param_value(struct iscsi_param *param, char *value)
{
kfree(param->value);
param->value = kzalloc(strlen(value) + 1, GFP_KERNEL);
param->value = kstrdup(value, GFP_KERNEL);
if (!param->value) {
pr_err("Unable to allocate memory for value.\n");
return -ENOMEM;
}
memcpy(param->value, value, strlen(value));
param->value[strlen(value)] = '\0';
pr_debug("iSCSI Parameter updated to %s=%s\n",
param->name, param->value);
return 0;