diff options
| author | Zhu Lingshan <lszhu@suse.com> | 2018-05-02 11:13:42 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-05-08 01:52:50 -0400 |
| commit | 02ccfb54ba7e73c47ce401920af8cf7a0c7bcaca (patch) | |
| tree | ae8c59802e45f7f01e8b08b4dd07edac8837c7e2 /drivers/target | |
| parent | f892bd8ec14226d681021ef6e4c0cd2d5ca08e8d (diff) | |
| download | linux-02ccfb54ba7e73c47ce401920af8cf7a0c7bcaca.tar.bz2 | |
scsi: tcmu: refactor nl dev_cfg attr with new nl helpers
use new netlink events helpers tcmu_netlink_init() and
tcmu_netlink_send() to refactor netlink event attribute
TCMU_ATTR_DEV_CFG(belongs to TCMU_CMD_RECONFIG_DEVICE) which is also
dev_config in configFS.
Signed-off-by: Zhu Lingshan <lszhu@suse.com>
Acked-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_user.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c621364cffc5..81495683ad3c 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -2241,6 +2241,27 @@ static ssize_t tcmu_dev_config_show(struct config_item *item, char *page) return snprintf(page, PAGE_SIZE, "%s\n", udev->dev_config); } +static int tcmu_send_dev_config_event(struct tcmu_dev *udev, + const char *reconfig_data) +{ + struct sk_buff *skb = NULL; + void *msg_header = NULL; + int ret = 0; + + ret = tcmu_netlink_event_init(udev, TCMU_CMD_RECONFIG_DEVICE, + &skb, &msg_header); + if (ret < 0) + return ret; + ret = nla_put_string(skb, TCMU_ATTR_DEV_CFG, reconfig_data); + if (ret < 0) { + nlmsg_free(skb); + return ret; + } + return tcmu_netlink_event_send(udev, TCMU_CMD_RECONFIG_DEVICE, + &skb, &msg_header); +} + + static ssize_t tcmu_dev_config_store(struct config_item *item, const char *page, size_t count) { @@ -2255,8 +2276,7 @@ static ssize_t tcmu_dev_config_store(struct config_item *item, const char *page, /* Check if device has been configured before */ if (tcmu_dev_configured(udev)) { - ret = tcmu_netlink_event(udev, TCMU_CMD_RECONFIG_DEVICE, - TCMU_ATTR_DEV_CFG, page); + ret = tcmu_send_dev_config_event(udev, page); if (ret) { pr_err("Unable to reconfigure device\n"); return ret; |