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| author | Satish Kharat <satishkh@cisco.com> | 2019-01-14 17:09:29 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-01-22 21:18:34 -0500 |
| commit | 18244e9445fef9eef7f3afd3b70a42b87be0f8fd (patch) | |
| tree | a0c0ef1c05d6cc0a4bd098a698f5352a75e13fd9 /drivers/scsi/fnic/fnic_main.c | |
| parent | 68e3cc02bcfc4f55a47333ee7d8fe1a9b41d72c3 (diff) | |
| download | lwn-18244e9445fef9eef7f3afd3b70a42b87be0f8fd.tar.gz lwn-18244e9445fef9eef7f3afd3b70a42b87be0f8fd.zip | |
scsi: fnic: Impose upper limit on max. # of CQs processed per intr
Impose an upper limit on the max number of CQ entries (corresponding to the
copy wq) processed in an interrupt. Use module parameter to set the limit.
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic/fnic_main.c')
| -rw-r--r-- | drivers/scsi/fnic/fnic_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 25e0414b6cb0..1433ba94ea71 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -69,6 +69,11 @@ unsigned int fnic_log_level; module_param(fnic_log_level, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels"); + +unsigned int io_completions = FNIC_DFLT_IO_COMPLETIONS; +module_param(io_completions, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(io_completions, "Max CQ entries to process at a time"); + unsigned int fnic_trace_max_pages = 16; module_param(fnic_trace_max_pages, uint, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(fnic_trace_max_pages, "Total allocated memory pages " @@ -503,7 +508,7 @@ static int fnic_cleanup(struct fnic *fnic) } /* Clean up completed IOs and FCS frames */ - fnic_wq_copy_cmpl_handler(fnic, -1); + fnic_wq_copy_cmpl_handler(fnic, io_completions); fnic_wq_cmpl_handler(fnic, -1); fnic_rq_cmpl_handler(fnic, -1); |