diff options
| author | Andy Grover <agrover@redhat.com> | 2012-01-16 16:57:08 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2012-01-18 08:35:58 +0000 |
| commit | 4949314c7283ea4f9ade182ca599583b89f7edd6 (patch) | |
| tree | bbd2316996bc2f19c1b3a8c24f8591f12d2330fa /drivers/target/target_core_pscsi.c | |
| parent | e8904dc5008ef92f0f62391d6557f03f921eeb32 (diff) | |
| download | linux-4949314c7283ea4f9ade182ca599583b89f7edd6.tar.bz2 | |
target: Allow control CDBs with data > 1 page
We need to handle >1 page control cdbs, so extend the code to do a vmap
if bigger than 1 page. It seems like kmap() is still preferable if just
a page, fewer TLB shootdowns(?), so keep using that when possible.
Rename function pair for their new scope.
Signed-off-by: Andy Grover <agrover@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_pscsi.c')
| -rw-r--r-- | drivers/target/target_core_pscsi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index d35467d42e12..8d4def30e9e8 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -693,7 +693,7 @@ static int pscsi_transport_complete(struct se_task *task) if (task->task_se_cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) { - unsigned char *buf = transport_kmap_first_data_page(task->task_se_cmd); + unsigned char *buf = transport_kmap_data_sg(task->task_se_cmd); if (cdb[0] == MODE_SENSE_10) { if (!(buf[3] & 0x80)) @@ -703,7 +703,7 @@ static int pscsi_transport_complete(struct se_task *task) buf[2] |= 0x80; } - transport_kunmap_first_data_page(task->task_se_cmd); + transport_kunmap_data_sg(task->task_se_cmd); } } after_mode_sense: |