diff options
Diffstat (limited to '0001-uas-Limit-qdepth-at-the-scsi-host-level.patch')
-rw-r--r-- | 0001-uas-Limit-qdepth-at-the-scsi-host-level.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/0001-uas-Limit-qdepth-at-the-scsi-host-level.patch b/0001-uas-Limit-qdepth-at-the-scsi-host-level.patch deleted file mode 100644 index b6c446829..000000000 --- a/0001-uas-Limit-qdepth-at-the-scsi-host-level.patch +++ /dev/null @@ -1,45 +0,0 @@ -From 79abe2bd501d628b165f323098d6972d69bd13d7 Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Wed, 16 Mar 2016 13:20:51 +0100 -Subject: [PATCH] uas: Limit qdepth at the scsi-host level - -Commit 64d513ac31bd ("scsi: use host wide tags by default") causes -the scsi-core to queue more cmnds then we can handle on devices with -multiple LUNs, limit the qdepth at the scsi-host level instead of -per slave to fix this. - -BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1315013 -Cc: stable@vger.kernel.org # 4.4.x and 4.5.x -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/usb/storage/uas.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - -diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c -index c90a7e4..b5cb7ab 100644 ---- a/drivers/usb/storage/uas.c -+++ b/drivers/usb/storage/uas.c -@@ -800,7 +800,6 @@ static int uas_slave_configure(struct scsi_device *sdev) - if (devinfo->flags & US_FL_BROKEN_FUA) - sdev->broken_fua = 1; - -- scsi_change_queue_depth(sdev, devinfo->qdepth - 2); - return 0; - } - -@@ -932,6 +931,12 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) - if (result) - goto set_alt0; - -+ /* -+ * 1 tag is reserved for untagged commands + -+ * 1 tag to avoid of by one errors in some bridge firmwares -+ */ -+ shost->can_queue = devinfo->qdepth - 2; -+ - usb_set_intfdata(intf, shost); - result = scsi_add_host(shost, &intf->dev); - if (result) --- -2.7.3 - |