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| author | Alan Stern <stern@rowland.harvard.edu> | 2014-06-30 11:04:21 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-30 22:47:18 -0700 |
| commit | b14bf2d0c0358140041d1c1805a674376964d0e0 (patch) | |
| tree | 7548f59221b4f29f59f056ae717ede2732baf3cb /include/scsi | |
| parent | ba1ba3a4ed0c5c6a6121169abe61802aeab6c1d2 (diff) | |
| download | linux-b14bf2d0c0358140041d1c1805a674376964d0e0.tar.bz2 | |
usb-storage/SCSI: Add broken_fua blacklist flag
Some buggy JMicron USB-ATA bridges don't know how to translate the FUA
bit in READs or WRITEs. This patch adds an entry in unusual_devs.h
and a blacklist flag to tell the sd driver not to use FUA.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Michael Büsch <m@bues.ch>
Tested-by: Michael Büsch <m@bues.ch>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 5853c913d2b0..27ab31017f09 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -173,6 +173,7 @@ struct scsi_device { unsigned is_visible:1; /* is the device visible in sysfs */ unsigned wce_default_on:1; /* Cache is ON by default */ unsigned no_dif:1; /* T10 PI (DIF) should be disabled */ + unsigned broken_fua:1; /* Don't set FUA bit */ atomic_t disk_events_disable_depth; /* disable depth for disk events */ |