linux-kernel - [PATCH 3/9] target: Make helpers non static for EXTENDED

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Date:	Fri, 23 Aug 2013 02:26:55 +0000
From:	"Nicholas A. Bellinger" <nab@...erainc.com>
To:	target-devel <target-devel@...r.kernel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Christoph Hellwig <hch@....de>, Hannes Reinecke <hare@...e.de>,
	Martin Petersen <martin.petersen@...cle.com>,
	Chris Mason <chris.mason@...ionio.com>,
	Roland Dreier <roland@...estorage.com>,
	Zach Brown <zab@...hat.com>,
	Kent Overstreet <kmo@...erainc.com>,
	Theodore Tso <tytso@....edu>,
	James Bottomley <JBottomley@...allels.com>,
	Nicholas Bellinger <nab@...ux-iscsi.org>,
	Nicholas Bellinger <nab@...erainc.com>
Subject: [PATCH 3/9] target: Make helpers non static for EXTENDED_COPY command setup

From: Nicholas Bellinger <nab@...erainc.com>

Both transport_generic_get_mem() and transport_generic_map_mem_to_cmd()
are required by EXTENDED_COPY logic when setting up internally
dispatched command descriptors, so go ahead and make both of these
non static.

Cc: Christoph Hellwig <hch@....de>
Cc: Hannes Reinecke <hare@...e.de>
Cc: Martin Petersen <martin.petersen@...cle.com>
Cc: Chris Mason <chris.mason@...ionio.com>
Cc: Roland Dreier <roland@...estorage.com>
Cc: Zach Brown <zab@...hat.com>
Cc: James Bottomley <JBottomley@...allels.com>
Cc: Nicholas Bellinger <nab@...ux-iscsi.org>
Signed-off-by: Nicholas Bellinger <nab@...erainc.com>
---
 drivers/target/target_core_transport.c |    5 ++---
 include/target/target_core_backend.h   |    4 ++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 3009cda..2f9c402 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -67,7 +67,6 @@ struct kmem_cache *t10_alua_tg_pt_gp_mem_cache;
 static void transport_complete_task_attr(struct se_cmd *cmd);
 static void transport_handle_queue_full(struct se_cmd *cmd,
 		struct se_device *dev);
-static int transport_generic_get_mem(struct se_cmd *cmd);
 static int transport_put_cmd(struct se_cmd *cmd);
 static void target_complete_ok_work(struct work_struct *work);
 
@@ -1254,7 +1253,7 @@ int transport_handle_cdb_direct(
 }
 EXPORT_SYMBOL(transport_handle_cdb_direct);
 
-static sense_reason_t
+sense_reason_t
 transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *sgl,
 		u32 sgl_count, struct scatterlist *sgl_bidi, u32 sgl_bidi_count)
 {
@@ -2164,7 +2163,7 @@ out:
 	return -ENOMEM;
 }
 
-static int
+int
 transport_generic_get_mem(struct se_cmd *cmd)
 {
 	u32 length = cmd->data_length;
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 77f25e0..9f07231 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -74,6 +74,10 @@ int	transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
 /* core helpers also used by command snooping in pscsi */
 void	*transport_kmap_data_sg(struct se_cmd *);
 void	transport_kunmap_data_sg(struct se_cmd *);
+/* core helpers also used by xcopy during internal command setup */
+int	transport_generic_get_mem(struct se_cmd *);
+sense_reason_t	transport_generic_map_mem_to_cmd(struct se_cmd *,
+		struct scatterlist *, u32, struct scatterlist *, u32);
 
 void	array_free(void *array, int n);
 
-- 
1.7.2.5

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