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-rw-r--r--0001-uas-Limit-qdepth-at-the-scsi-host-level.patch45
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
-