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block-5.8-2020-07-30

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Merge tag 'block-5.8-2020-07-30' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Three NVMe fixes"

* tag 'block-5.8-2020-07-30' of git://git.kernel.dk/linux-block:
  nvme: add a Identify Namespace Identification Descriptor list quirk
  nvme-pci: prevent SK hynix PC400 from using Write Zeroes command
  nvme-tcp: fix possible hang waiting for icresp response
This commit is contained in:
Linus Torvalds 2020-07-30 09:48:51 -07:00
commit e2c46b5762
4 changed files with 17 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/nvme/host/core.c
View file

@ -1102,6 +1102,9 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
int pos;
int len;
if (ctrl->quirks & NVME_QUIRK_NO_NS_DESC_LIST)
return 0;
c.identify.opcode = nvme_admin_identify;
c.identify.nsid = cpu_to_le32(nsid);
c.identify.cns = NVME_ID_CNS_NS_DESC_LIST;
@ -1115,18 +1118,6 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
if (status) {
dev_warn(ctrl->device,
"Identify Descriptors failed (%d)\n", status);
/*
* Don't treat non-retryable errors as fatal, as we potentially
* already have a NGUID or EUI-64. If we failed with DNR set,
* we want to silently ignore the error as we can still
* identify the device, but if the status has DNR set, we want
* to propagate the error back specifically for the disk
* revalidation flow to make sure we don't abandon the
* device just because of a temporal retry-able error (such
* as path of transport errors).
*/
if (status > 0 && (status & NVME_SC_DNR))
status = 0;
goto free_data;
}

7
drivers/nvme/host/nvme.h
View file

@ -129,6 +129,13 @@ enum nvme_quirks {
* Don't change the value of the temperature threshold feature
*/
NVME_QUIRK_NO_TEMP_THRESH_CHANGE = (1 << 14),
/*
* The controller doesn't handle the Identify Namespace
* Identification Descriptor list subcommand despite claiming
* NVMe 1.3 compliance.
*/
NVME_QUIRK_NO_NS_DESC_LIST = (1 << 15),
};
/*

4
drivers/nvme/host/pci.c
View file

@ -3099,6 +3099,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_IDENTIFY_CNS |
NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
{ PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
.driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, },
{ PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */
@ -3122,6 +3124,8 @@ static const struct pci_device_id nvme_id_table[] = {
{ PCI_DEVICE(0x1cc1, 0x8201), /* ADATA SX8200PNP 512GB */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_DEVICE(0x1c5c, 0x1504), /* SK Hynix PC400 */
.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
.driver_data = NVME_QUIRK_SINGLE_VECTOR },

3
drivers/nvme/host/tcp.c
View file

@ -1382,6 +1382,9 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
if (nctrl->opts->tos >= 0)
ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos);
/* Set 10 seconds timeout for icresp recvmsg */
queue->sock->sk->sk_rcvtimeo = 10 * HZ;
queue->sock->sk->sk_allocation = GFP_ATOMIC;
nvme_tcp_set_queue_io_cpu(queue);
queue->request = NULL;