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

Browse source 
Pull SCSI target updates from Nicholas Bellinger:
 "Lots of activity in target land the last months.

  The highlights include:

   - Convert fabric drivers tree-wide to target_register_template() (hch
     + bart)

   - iser-target hardening fixes + v1.0 improvements (sagi)

   - Convert iscsi_thread_set usage to kthread.h + kill
     iscsi_target_tq.c (sagi + nab)

   - Add support for T10-PI WRITE_STRIP + READ_INSERT operation (mkp +
     sagi + nab)

   - DIF fixes for CONFIG_DEBUG_SG=y + UNMAP file emulation (akinobu +
     sagi + mkp)

   - Extended TCMU ABI v2 for future BIDI + DIF support (andy + ilias)

   - Fix COMPARE_AND_WRITE handling for NO_ALLLOC drivers (hch + nab)

  Thanks to everyone who contributed this round with new features,
  bug-reports, fixes, cleanups and improvements.

  Looking forward, it's currently shaping up to be a busy v4.2 as well"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (69 commits)
  target: Put TCMU under a new config option
  target: Version 2 of TCMU ABI
  target: fix tcm_mod_builder.py
  target/file: Fix UNMAP with DIF protection support
  target/file: Fix SG table for prot_buf initialization
  target/file: Fix BUG() when CONFIG_DEBUG_SG=y and DIF protection enabled
  target: Make core_tmr_abort_task() skip TMFs
  target/sbc: Update sbc_dif_generate pr_debug output
  target/sbc: Make internal DIF emulation honor ->prot_checks
  target/sbc: Return INVALID_CDB_FIELD if DIF + sess_prot_type disabled
  target: Ensure sess_prot_type is saved across session restart
  target/rd: Don't pass incomplete scatterlist entries to sbc_dif_verify_*
  target: Remove the unused flag SCF_ACK_KREF
  target: Fix two sparse warnings
  target: Fix COMPARE_AND_WRITE with SG_TO_MEM_NOALLOC handling
  target: simplify the target template registration API
  target: simplify target_xcopy_init_pt_lun
  target: remove the unused SCF_CMD_XCOPY_PASSTHROUGH flag
  target/rd: reduce code duplication in rd_execute_rw()
  tcm_loop: fixup tpgt string to integer conversion
  ...
This commit is contained in:
Linus Torvalds 2015-04-24 10:22:09 -07:00
commit c6668726d2
50 changed files with 1687 additions and 2273 deletions
Download patch file Download diff file Expand all files Collapse all files

74
drivers/xen/xen-scsiback.c
View file

@ -204,8 +204,7 @@ static LIST_HEAD(scsiback_free_pages);
static DEFINE_MUTEX(scsiback_mutex);
static LIST_HEAD(scsiback_list);
/* Local pointer to allocated TCM configfs fabric module */
static struct target_fabric_configfs *scsiback_fabric_configfs;
static const struct target_core_fabric_ops scsiback_ops;
static void scsiback_get(struct vscsibk_info *info)
{
@ -1902,7 +1901,7 @@ scsiback_make_tpg(struct se_wwn *wwn,
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
ret = core_tpg_register(&scsiback_fabric_configfs->tf_ops, wwn,
ret = core_tpg_register(&scsiback_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0) {
kfree(tpg);
@ -1944,7 +1943,9 @@ static int scsiback_check_false(struct se_portal_group *se_tpg)
return 0;
}
static struct target_core_fabric_ops scsiback_ops = {
static const struct target_core_fabric_ops scsiback_ops = {
.module = THIS_MODULE,
.name = "xen-pvscsi",
.get_fabric_name = scsiback_get_fabric_name,
.get_fabric_proto_ident = scsiback_get_fabric_proto_ident,
.tpg_get_wwn = scsiback_get_fabric_wwn,
@ -1991,62 +1992,10 @@ static struct target_core_fabric_ops scsiback_ops = {
.fabric_make_nodeacl = scsiback_make_nodeacl,
.fabric_drop_nodeacl = scsiback_drop_nodeacl,
#endif
};
static int scsiback_register_configfs(void)
{
struct target_fabric_configfs *fabric;
int ret;
pr_debug("fabric module %s on %s/%s on "UTS_RELEASE"\n",
VSCSI_VERSION, utsname()->sysname, utsname()->machine);
/*
* Register the top level struct config_item_type with TCM core
*/
fabric = target_fabric_configfs_init(THIS_MODULE, "xen-pvscsi");
if (IS_ERR(fabric))
return PTR_ERR(fabric);
/*
* Setup fabric->tf_ops from our local scsiback_ops
*/
fabric->tf_ops = scsiback_ops;
/*
* Setup default attribute lists for various fabric->tf_cit_tmpl
*/
fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = scsiback_wwn_attrs;
fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = scsiback_tpg_attrs;
fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = scsiback_param_attrs;
fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = NULL;
/*
* Register the fabric for use within TCM
*/
ret = target_fabric_configfs_register(fabric);
if (ret < 0) {
target_fabric_configfs_free(fabric);
return ret;
}
/*
* Setup our local pointer to *fabric
*/
scsiback_fabric_configfs = fabric;
pr_debug("Set fabric -> scsiback_fabric_configfs\n");
return 0;
};
static void scsiback_deregister_configfs(void)
{
if (!scsiback_fabric_configfs)
return;
target_fabric_configfs_deregister(scsiback_fabric_configfs);
scsiback_fabric_configfs = NULL;
pr_debug("Cleared scsiback_fabric_configfs\n");
.tfc_wwn_attrs = scsiback_wwn_attrs,
.tfc_tpg_base_attrs = scsiback_tpg_attrs,
.tfc_tpg_param_attrs = scsiback_param_attrs,
};
static const struct xenbus_device_id scsiback_ids[] = {
@ -2078,6 +2027,9 @@ static int __init scsiback_init(void)
if (!xen_domain())
return -ENODEV;
pr_debug("xen-pvscsi: fabric module %s on %s/%s on "UTS_RELEASE"\n",
VSCSI_VERSION, utsname()->sysname, utsname()->machine);
scsiback_cachep = kmem_cache_create("vscsiif_cache",
sizeof(struct vscsibk_pend), 0, 0, scsiback_init_pend);
if (!scsiback_cachep)
@ -2087,7 +2039,7 @@ static int __init scsiback_init(void)
if (ret)
goto out_cache_destroy;
ret = scsiback_register_configfs();
ret = target_register_template(&scsiback_ops);
if (ret)
goto out_unregister_xenbus;
@ -2110,7 +2062,7 @@ static void __exit scsiback_exit(void)
BUG();
gnttab_free_pages(1, &page);
}
scsiback_deregister_configfs();
target_unregister_template(&scsiback_ops);
xenbus_unregister_driver(&scsiback_driver);
kmem_cache_destroy(scsiback_cachep);
}