diff options
| author |   Nicholas Bellinger <nab@linux-iscsi.org> | 2015-02-08 02:53:25 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-04-07 23:26:56 -0700 |
| commit | fdeab852983249fd1b8859f8bf54a5bfd8581c90 (patch) | |
| tree | 17c5d93be41dc552e0803c38f58b30df515b6978 /drivers/target | |
| parent | target: Add internal WRITE_STRIP support (diff) | |
| download | linux-dev-fdeab852983249fd1b8859f8bf54a5bfd8581c90.tar.xz linux-dev-fdeab852983249fd1b8859f8bf54a5bfd8581c90.zip | |
target: Move cmd->prot_op check into target_read_prot_action
This patch moves the existing target_complete_ok_work() check for
cmd->prot_op into it's own function, so it's easier to add future
support for READ INSERT.
Reviewed-by: Martin Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_transport.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 0fe58bfabfc2..bfdd6237a3d1 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1980,16 +1980,22 @@ static void transport_handle_queue_full( schedule_work(&cmd->se_dev->qf_work_queue); } -static bool target_check_read_strip(struct se_cmd *cmd) +static bool target_read_prot_action(struct se_cmd *cmd) { sense_reason_t rc; - if (!(cmd->se_sess->sup_prot_ops & TARGET_PROT_DIN_STRIP)) { - rc = sbc_dif_read_strip(cmd); - if (rc) { - cmd->pi_err = rc; - return true; + switch (cmd->prot_op) { + case TARGET_PROT_DIN_STRIP: + if (!(cmd->se_sess->sup_prot_ops & TARGET_PROT_DIN_STRIP)) { + rc = sbc_dif_read_strip(cmd); + if (rc) { + cmd->pi_err = rc; + return true; + } } + break; + default: + break; } return false; @@ -2064,8 +2070,7 @@ static void target_complete_ok_work(struct work_struct *work) * backend had PI enabled, if the transport will not be * performing hardware READ_STRIP offload. */ - if (cmd->prot_op == TARGET_PROT_DIN_STRIP && - target_check_read_strip(cmd)) { + if (target_read_prot_action(cmd)) { ret = transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0); if (ret == -EAGAIN || ret == -ENOMEM) |