Merge branch '3.3-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

This series contains pending target bug-fixes and cleanups for v3.3-rc3
that have been addressed the past weeks in lio-core.git.

Some of the highlights include:

 - Fix handling for control CDBs with data greater than PAGE_SIZE (andy)
 - Use IP_FREEBIND for iscsi-target to address network portal creation
   issues with systemd (dax)
 - Allow PERSISTENT RESERVE IN for non-reservation holder (marco)
 - Fix iblock se_dev_attrib.unmap_granularity (marco)
 - Fix unsupported WRITE_SAME sense payload handling (martin)
 - Add workaround for zero-length control CDB handling (nab)
 - Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT (nab)
 - Fix target_submit_cmd() exception handling (nab)
 - Return correct ASC for unimplemented VPD pages (roland)
 - Don't zero pages used for data buffers (roland)
 - Fix return code of core_tpg_.*_lun (sebastian)

* '3.3-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (26 commits)
  target: Fix unsupported WRITE_SAME sense payload
  iscsi: use IP_FREEBIND socket option
  iblock: fix handling of large requests
  target: handle empty string writes in sysfs
  iscsi_target: in_aton needs linux/inet.h
  target: Fix iblock se_dev_attrib.unmap_granularity
  target: Fix target_submit_cmd() exception handling
  target: Change target_submit_cmd() to return void
  target: accept REQUEST_SENSE with 18bytes
  target: Fail INQUIRY commands with EVPD==0 but PAGE CODE!=0
  target: Return correct ASC for unimplemented VPD pages
  iscsi-target: Fix discovery with INADDR_ANY and IN6ADDR_ANY_INIT
  target: Allow control CDBs with data > 1 page
  iscsi-target: Fix up a few assignments
  iscsi-target: make one-bit bitfields unsigned
  iscsi-target: Fix double list_add with iscsit_alloc_buffs reject
  iscsi-target: Fix reject release handling in iscsit_free_cmd()
  target: fix return code of core_tpg_.*_lun
  target: use save/restore lock primitive in core_dec_lacl_count()
  target: avoid multiple outputs in scsi_dump_inquiry()
  ...

3 files changed, 4 insertions, 3 deletions

diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 4866499bdee..e5e6ff98f0f 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -59,7 +59,7 @@ int	transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
 int	transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
 
 /* core helpers also used by command snooping in pscsi */
-void	*transport_kmap_first_data_page(struct se_cmd *);
-void	transport_kunmap_first_data_page(struct se_cmd *);
+void	*transport_kmap_data_sg(struct se_cmd *);
+void	transport_kunmap_data_sg(struct se_cmd *);
 
 #endif /* TARGET_CORE_BACKEND_H */
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index daf532bc721..dc4e345a016 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -582,6 +582,7 @@ struct se_cmd {
 
 	struct scatterlist	*t_data_sg;
 	unsigned int		t_data_nents;
+	void			*t_data_vmap;
 	struct scatterlist	*t_bidi_data_sg;
 	unsigned int		t_bidi_data_nents;
 
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 523e8bc104d..d36fad317e7 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -114,7 +114,7 @@ void	transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *,
 		struct se_session *, u32, int, int, unsigned char *);
 int	transport_lookup_cmd_lun(struct se_cmd *, u32);
 int	transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
-int	target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
+void	target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
 		unsigned char *, u32, u32, int, int, int);
 int	transport_handle_cdb_direct(struct se_cmd *);
 int	transport_generic_handle_cdb_map(struct se_cmd *);