diff options
| author | James Smart <jsmart2021@gmail.com> | 2021-08-16 09:28:55 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-08-24 22:56:34 -0400 |
| commit | 17b27ac5922454ff7de91cbed458643608c36abc (patch) | |
| tree | 28c9c6bd49bfd1599baecd7ce841c9c4051cfa1c /drivers/scsi/lpfc/lpfc_scsi.c | |
| parent | 02243836ad6f384284f10302e6b820b893960d1c (diff) | |
scsi: lpfc: Add rx monitoring statistics
The driver provides overwatch of the cm behavior by maintaining a set of rx
I/O statistics. This information is also used in later updating of the cm
statistics buffer.
Link: https://lore.kernel.org/r/20210816162901.121235-11-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index cbac07622145..9a64349e3acb 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -3981,6 +3981,8 @@ lpfc_update_cmf_cmd(struct lpfc_hba *phba, uint32_t size) atomic_inc(&phba->cmf_busy); return -EBUSY; } + if (size > atomic_read(&phba->rx_max_read_cnt)) + atomic_set(&phba->rx_max_read_cnt, size); } cgs = this_cpu_ptr(phba->cmf_stat); |