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| author | Christoph Hellwig <hch@infradead.org> | 2012-07-08 15:58:45 -0400 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2012-07-16 17:35:19 -0700 |
| commit | b8b22533fed12dbb9e5a63d414cb1c768d1c28dd (patch) | |
| tree | 121ce98fd9b96ce9f6c6ee135885d27922e97cc2 | |
| parent | 43381ce8bb14d2536102fe700b43e97da1410169 (diff) | |
| download | linux-b8b22533fed12dbb9e5a63d414cb1c768d1c28dd.tar.gz linux-b8b22533fed12dbb9e5a63d414cb1c768d1c28dd.tar.bz2 linux-b8b22533fed12dbb9e5a63d414cb1c768d1c28dd.zip | |
tcm_fc: Offload WRITE I/O backend submission to tpg workqueue
Defer the write processing to the internal to be able to use
target_execute_cmd. I'm not even entirely sure the calling code requires
this due to the convoluted structure in libfc, but let's be safe for now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Mark Rustad <mark.d.rustad@intel.com>
Cc: Kiran Patil <Kiran.patil@intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/tcm_fc/tfc_io.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c index 071a505f98fc..ad36ede1a1ea 100644 --- a/drivers/target/tcm_fc/tfc_io.c +++ b/drivers/target/tcm_fc/tfc_io.c @@ -183,6 +183,13 @@ int ft_queue_data_in(struct se_cmd *se_cmd) return ft_queue_status(se_cmd); } +static void ft_execute_work(struct work_struct *work) +{ + struct ft_cmd *cmd = container_of(work, struct ft_cmd, work); + + target_execute_cmd(&cmd->se_cmd); +} + /* * Receive write data frame. */ @@ -307,8 +314,10 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp) cmd->write_data_len += tlen; } last_frame: - if (cmd->write_data_len == se_cmd->data_length) - transport_generic_handle_data(se_cmd); + if (cmd->write_data_len == se_cmd->data_length) { + INIT_WORK(&cmd->work, ft_execute_work); + queue_work(cmd->sess->tport->tpg->workqueue, &cmd->work); + } drop: fc_frame_free(fp); } |