linux-kernel - Fix section conflict of current_io

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Message-ID: <20070515171540.GA20425@deprecation.cyrius.com>
Date:	Tue, 15 May 2007 19:15:40 +0200
From:	Martin Michlmayr <tbm@...ius.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	linux-kernel@...r.kernel.org
Subject: Fix section conflict of current_io_context

Building with GCC 4.2, I get the following error:

  CC      block/ll_rw_blk.o
block/ll_rw_blk.c:3751: error: __ksymtab_current_io_context causes a section type conflict

This is because current_io_context is both declared static and exported.

Signed-off-by: Martin Michlmayr <tbm@...ius.com>

--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -41,7 +41,7 @@ static void blk_unplug_timeout(unsigned long data);
 static void drive_stat_acct(struct request *rq, int nr_sectors, int new_io);
 static void init_request_from_bio(struct request *req, struct bio *bio);
 static int __make_request(request_queue_t *q, struct bio *bio);
-static struct io_context *current_io_context(gfp_t gfp_flags, int node);
+struct io_context *current_io_context(gfp_t gfp_flags, int node);
 
 /*
  * For the allocated request tables
@@ -3723,7 +3723,7 @@ void exit_io_context(void)
  * but since the current task itself holds a reference, the context can be
  * used in general code, so long as it stays within `current` context.
  */
-static struct io_context *current_io_context(gfp_t gfp_flags, int node)
+struct io_context *current_io_context(gfp_t gfp_flags, int node)
 {
 	struct task_struct *tsk = current;
 	struct io_context *ret;

-- 
Martin Michlmayr
http://www.cyrius.com/
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