On Tue, May 15 2007, Martin Michlmayr wrote:
> 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 <[email protected]>
>
> --- 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;
There are no users outside ll_rw_blk.c, so the export just needs to be
removed.
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 1e853f4..b085d0e 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3807,7 +3807,6 @@ static struct io_context *current_io_context(gfp_t gfp_flags, int node)
return ret;
}
-EXPORT_SYMBOL(current_io_context);
/*
* If the current task has no IO context then create one and initialise it.
--
Jens Axboe
-
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