diff options
| author | Andy Grover <agrover@redhat.com> | 2011-07-20 19:28:46 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-07-22 09:37:48 +0000 |
| commit | ec98f7825c6eaa4a9afb0eb518826efc8a2ed4a2 (patch) | |
| tree | b4ccee24db5d7d54ccfa5e3be2441d3a4e37f295 /drivers/target/target_core_iblock.c | |
| parent | 3a86720567fd92819b449df10db85a2f73447d87 (diff) | |
target: Eliminate usage of struct se_mem
Both backstores and fabrics use arrays of struct scatterlist to describe
data buffers. However TCM used struct se_mems, basically a linked list
of scatterlist entries. We are able to simplify the code by eliminating
this intermediate data structure and just using struct scatterlist[]
throughout.
Also, moved attachment of task to cmd out of transport_generic_get_task
and into allocate_control_task and allocate_data_tasks. The reasoning
is that it's nonintuitive that get_task should automatically add it to
the cmd's task list -- it should just return an allocated, initialized
task. That's all it should do, based on the function's name, so either the
function shouldn't do it, or the name should change to encapsulate the
entire essence of what it does.
(nab: Fix compile warnings in tcm_fc, and make transport_kmap_first_data_page
honor sg->offset for SGLs from contigious memory with TCM_Loop, and
fix control se_cmd descriptor memory leak)
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 392e75fb1087..164b72106b88 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -634,7 +634,7 @@ static int iblock_map_task_SG(struct se_task *task) hbio = tbio = bio; /* * Use fs/bio.c:bio_add_pages() to setup the bio_vec maplist - * from TCM struct se_mem -> task->task_sg -> struct scatterlist memory. + * from task->task_sg -> struct scatterlist memory. */ for_each_sg(task->task_sg, sg, task->task_sg_num, i) { DEBUG_IBLOCK("task: %p bio: %p Calling bio_add_page(): page:" |