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qla2x00t-32gbit: Move sess cmd list/lock to driver

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Except for debug output in the shutdown path, tcm_qla2xxx is the only
driver using the se_session sess_cmd_list. Move the list to that driver to
facilitate removing the sess_cmd_lock from the main I/O path for the rest
of the drivers.

Link: https://lore.kernel.org/r/1604257174-4524-6-git-send-email-michael.christie@oracle.com
Cc: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

See also upstream commit 605e74025f953b995a3a241ead43bde71c1c99b5.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9287 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-12-28 23:28:43 +00:00
parent ab09b4f3c3
commit 7579ad8980
4 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
qla2x00t-32gbit/qla_def.h
View File

@@ -2519,6 +2519,8 @@ typedef struct fc_port {
int generation;
struct se_session *se_sess;
struct list_head sess_cmd_list;
spinlock_t sess_cmd_lock;
struct kref sess_kref;
struct qla_tgt *tgt;
unsigned long expires;

3
qla2x00t-32gbit/qla_init.c
View File

@@ -4974,6 +4974,9 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
INIT_LIST_HEAD(&fcport->gnl_entry);
INIT_LIST_HEAD(&fcport->list);
INIT_LIST_HEAD(&fcport->sess_cmd_list);
spin_lock_init(&fcport->sess_cmd_lock);
return fcport;
}

1
qla2x00t-32gbit/qla_target.c
View File

@@ -4342,6 +4342,7 @@ static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha,
cmd->cmd_type = TYPE_TGT_CMD;
memcpy(&cmd->atio, atio, sizeof(*atio));
INIT_LIST_HEAD(&cmd->sess_cmd_list);
cmd->state = QLA_TGT_STATE_NEW;
cmd->tgt = vha->vha_tgt.qla_tgt;
qlt_incr_num_pend_cmds(vha);

1
qla2x00t-32gbit/qla_target.h
View File

@@ -891,6 +891,7 @@ struct qla_tgt_cmd {
uint8_t cmd_type;
uint8_t pad[7];
struct se_cmd se_cmd;
struct list_head sess_cmd_list;
struct scst_cmd *scst_cmd;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0)
/*