diff options
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_device.c')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_device.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target_device.c b/drivers/target/iscsi/iscsi_target_device.c index bcc409853a6..1b74033510a 100644 --- a/drivers/target/iscsi/iscsi_target_device.c +++ b/drivers/target/iscsi/iscsi_target_device.c @@ -60,8 +60,13 @@ void iscsit_increment_maxcmdsn(struct iscsi_cmd *cmd, struct iscsi_session *sess cmd->maxcmdsn_inc = 1; - mutex_lock(&sess->cmdsn_mutex); + if (!mutex_trylock(&sess->cmdsn_mutex)) { + sess->max_cmd_sn += 1; + pr_debug("Updated MaxCmdSN to 0x%08x\n", sess->max_cmd_sn); + return; + } sess->max_cmd_sn += 1; pr_debug("Updated MaxCmdSN to 0x%08x\n", sess->max_cmd_sn); mutex_unlock(&sess->cmdsn_mutex); } +EXPORT_SYMBOL(iscsit_increment_maxcmdsn); |