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Message-ID: <1554612821.5053.22.camel@HansenPartnership.com>
Date: Sat, 06 Apr 2019 21:53:41 -0700
From: James Bottomley <James.Bottomley@...senPartnership.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-scsi <linux-scsi@...r.kernel.org>,
linux-kernel <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] SCSI fixes for 5.1-rc3
five small fixes. Four in three drivers: qedi, lpfc and storvsc. The
final one is labelled core, but merely adds a dh rdac entry for Lenovo
systems.
The patch is available here:
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes
The short changelog is:
Colin Ian King (1):
scsi: qedi: remove declaration of nvm_image from stack
James Smart (1):
scsi: lpfc: Fix missing wakeups on abort threads
Michael Kelley (2):
scsi: storvsc: Reduce default ring buffer size to 128 Kbytes
scsi: storvsc: Fix calculation of sub-channel count
Xose Vazquez Perez (1):
scsi: core: add new RDAC LENOVO/DE_Series device
With diffstat:
drivers/scsi/lpfc/lpfc_scsi.c | 7 +++----
drivers/scsi/qedi/qedi_main.c | 7 ++-----
drivers/scsi/scsi_devinfo.c | 1 +
drivers/scsi/scsi_dh.c | 1 +
drivers/scsi/storvsc_drv.c | 15 ++++++++++++---
5 files changed, 19 insertions(+), 12 deletions(-)
With full diff below.
James
---
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c98f264f1d83..a497b2c0cb79 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3878,10 +3878,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* wake up the thread.
*/
spin_lock(&lpfc_cmd->buf_lock);
- if (unlikely(lpfc_cmd->cur_iocbq.iocb_flag & LPFC_DRIVER_ABORTED)) {
- lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED;
- if (lpfc_cmd->waitq)
- wake_up(lpfc_cmd->waitq);
+ lpfc_cmd->cur_iocbq.iocb_flag &= ~LPFC_DRIVER_ABORTED;
+ if (lpfc_cmd->waitq) {
+ wake_up(lpfc_cmd->waitq);
lpfc_cmd->waitq = NULL;
}
spin_unlock(&lpfc_cmd->buf_lock);
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index e74a62448ba4..e5db9a9954dc 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -1392,10 +1392,8 @@ static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi)
static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi)
{
- struct qedi_nvm_iscsi_image nvm_image;
-
qedi->iscsi_image = dma_alloc_coherent(&qedi->pdev->dev,
- sizeof(nvm_image),
+ sizeof(struct qedi_nvm_iscsi_image),
&qedi->nvm_buf_dma, GFP_KERNEL);
if (!qedi->iscsi_image) {
QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n");
@@ -2236,14 +2234,13 @@ static void qedi_boot_release(void *data)
static int qedi_get_boot_info(struct qedi_ctx *qedi)
{
int ret = 1;
- struct qedi_nvm_iscsi_image nvm_image;
QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
"Get NVM iSCSI CFG image\n");
ret = qedi_ops->common->nvm_get_image(qedi->cdev,
QED_NVM_IMAGE_ISCSI_CFG,
(char *)qedi->iscsi_image,
- sizeof(nvm_image));
+ sizeof(struct qedi_nvm_iscsi_image));
if (ret)
QEDI_ERR(&qedi->dbg_ctx,
"Could not get NVM image. ret = %d\n", ret);
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index c4cbfd07b916..a08ff3bd6310 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -238,6 +238,7 @@ static struct {
{"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+ {"LENOVO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
{"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
{"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
{"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */
diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c
index 5a58cbf3a75d..c14006ac98f9 100644
--- a/drivers/scsi/scsi_dh.c
+++ b/drivers/scsi/scsi_dh.c
@@ -75,6 +75,7 @@ static const struct scsi_dh_blist scsi_dh_blist[] = {
{"NETAPP", "INF-01-00", "rdac", },
{"LSI", "INF-01-00", "rdac", },
{"ENGENIO", "INF-01-00", "rdac", },
+ {"LENOVO", "DE_Series", "rdac", },
{NULL, NULL, NULL },
};
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 84380bae20f1..8472de1007ff 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -385,7 +385,7 @@ enum storvsc_request_type {
* This is the end of Protocol specific defines.
*/
-static int storvsc_ringbuffer_size = (256 * PAGE_SIZE);
+static int storvsc_ringbuffer_size = (128 * 1024);
static u32 max_outstanding_req_per_channel;
static int storvsc_vcpus_per_sub_channel = 4;
@@ -668,13 +668,22 @@ static void handle_multichannel_storage(struct hv_device *device, int max_chns)
{
struct device *dev = &device->device;
struct storvsc_device *stor_device;
- int num_cpus = num_online_cpus();
int num_sc;
struct storvsc_cmd_request *request;
struct vstor_packet *vstor_packet;
int ret, t;
- num_sc = ((max_chns > num_cpus) ? num_cpus : max_chns);
+ /*
+ * If the number of CPUs is artificially restricted, such as
+ * with maxcpus=1 on the kernel boot line, Hyper-V could offer
+ * sub-channels >= the number of CPUs. These sub-channels
+ * should not be created. The primary channel is already created
+ * and assigned to one CPU, so check against # CPUs - 1.
+ */
+ num_sc = min((int)(num_online_cpus() - 1), max_chns);
+ if (!num_sc)
+ return;
+
stor_device = get_out_stor_device(device);
if (!stor_device)
return;
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