vhost/scsi: Convert to se_cmd->cmd_kref TARGET_SCF_ACK_KREF usage

This patch coverts vhost/scsi to se_cmd->cmd_kref TARGET_SCF_ACK_KREF
usage, instead of assuming that vhost_scsi_free_cmd() is always called
before TCM processing is completed in the response fast path.

This includes adding vhost_scsi_check_stop_free() -> target_put_sess_cmd()
to perform the second se_cmd->cmd_kref put, and moving vhost_scsi_free_cmd()
resource release into tcm_vhost_release_cmd() that is invoked once the last
se_cmd->cmd_kref put occurs.

Cc: Christoph Hellwig <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Kent Overstreet <[email protected]>
Cc: Asias He <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Cc: Or Gerlitz <[email protected]>
Cc: Moussa Ba <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>

0 files changed, 0 insertions, 0 deletions