From 5cee03e29ce84da27ca3665852792c2f2aa6244b Mon Sep 17 00:00:00 2001 From: Vikas Chaudhary Date: Mon, 21 Mar 2011 03:34:31 -0700 Subject: [PATCH] --- yaml --- r: 242716 b: refs/heads/master c: 8bb4033d2b91e055a32e905e10a7034a4b077b7a h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/scsi/qla4xxx/ql4_os.c | 12 +++++++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index fc14c53b7c4e..8c2406689f06 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: fc7657c9d98c250c9fd212348e6e156c73885cc4 +refs/heads/master: 8bb4033d2b91e055a32e905e10a7034a4b077b7a diff --git a/trunk/drivers/scsi/qla4xxx/ql4_os.c b/trunk/drivers/scsi/qla4xxx/ql4_os.c index f80b702730ad..df46e5d8f74e 100644 --- a/trunk/drivers/scsi/qla4xxx/ql4_os.c +++ b/trunk/drivers/scsi/qla4xxx/ql4_os.c @@ -51,6 +51,11 @@ MODULE_PARM_DESC(ql4xenablemsix, " 2 = enable MSI interrupt mechanism."); #define QL4_DEF_QDEPTH 32 +static int ql4xmaxqdepth = QL4_DEF_QDEPTH; +module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(ql4xmaxqdepth, + "Maximum queue depth to report for target devices.\n" + " Default: 32."); /* * SCSI host template entry points @@ -1904,10 +1909,15 @@ static int qla4xxx_slave_alloc(struct scsi_device *sdev) { struct iscsi_cls_session *sess = starget_to_session(sdev->sdev_target); struct ddb_entry *ddb = sess->dd_data; + int queue_depth = QL4_DEF_QDEPTH; sdev->hostdata = ddb; sdev->tagged_supported = 1; - scsi_activate_tcq(sdev, QL4_DEF_QDEPTH); + + if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) + queue_depth = ql4xmaxqdepth; + + scsi_activate_tcq(sdev, queue_depth); return 0; }