On Tue, 2012-10-02 at 21:16 +0000, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
>
> This patch adds a new target_submit_cmd_map_sgls() to pass pre-allocated
> SGL memory using transport_generic_map_mem_to_cmd() logic into the generic
> target submit I/O codepath.
>
> It also adds a target_submit_cmd() wrapper around target_submit_cmd_map_sgls()
> for existing fabric code that already assumes internal target-core SGL memory
> allocation.
>
> (v2: Rename to target_submit_cmd_map_sgls + drop TARGET_SCF_MAP_MEM flag
> in favor of non zero sgl_count check)
>
> Reported-by: Christoph Hellwig <hch@xxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> ---
> drivers/target/target_core_transport.c | 65 +++++++++++++++++++++++++++++---
> include/target/target_core_base.h | 1 +
> include/target/target_core_fabric.h | 3 +
> 3 files changed, 63 insertions(+), 6 deletions(-)
>
> diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
> index 5be8937..6309298 100644
> --- a/include/target/target_core_base.h
> +++ b/include/target/target_core_base.h
> @@ -220,6 +220,7 @@ enum target_sc_flags_table {
> TARGET_SCF_BIDI_OP = 0x01,
> TARGET_SCF_ACK_KREF = 0x02,
> TARGET_SCF_UNKNOWN_SIZE = 0x04,
> + TARGET_SCF_MAP_MEM = 0x08,
> };
Whoops, removing this left-over bit now before pushing into for-next.
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