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SubjectRE: [PATCH 3/9] [SCSI] mvsas: Add driver version and interrupt coalescing to device attributes in sysfs
> >>Subject: Re: [PATCH 3/9] [SCSI] mvsas: Add driver version and interrupt >>>coalescing to device attributes in sysfs

> >>On Thu, May 26, 2011 at 02:00:21AM -0700, Xiangliang Yu wrote:
> >
> >Subject: Re: [PATCH 3/9] [SCSI] mvsas: Add driver version and interrupt >coalescing to device attributes in sysfs
> >>
> >> -- Add support for driver version and interrupt coalescing device attributes.
> >>
> >>When you add a sysfs file, you must also add a Documentation/ABI file as
> >>well. Please do that here.
> >
> >These device attributes are sysft class properties for the scsi host,
>> and the sysfs files are within scsi host sysfs directory. so, do you
>> think I need add a ABI file? and , I can't find anything about scsi
>> host sysfs file under directory Documentation/ABI.

>Yes, again, if you add a sysfs file, you need to add documentation
>explaining exactly what it is there for and what it does.
>
>And if there isn't already a file for this device, then please add it.
How about this:

.../ABI/testing/sysfs-bus-pci-scsi-devices-mvsas | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-bus-pci-scsi-devices-mvsas

diff --git a/Documentation/ABI/testing/sysfs-bus-pci-scsi-devices-mvsas b/Documentation/ABI/testing/sysfs-bus-pci-scsi
-devices-mvsas
new file mode 100644
index 0000000..45f597e
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-pci-scsi-devices-mvsas
@@ -0,0 +1,13 @@
+What: /sys/devices/pci/<devices>/<dev>/host/scsi_host/host/driver_version
+Date: May 2011
+Kernel Version: 2.6.39
+Contact: yuxiangl@marvell.com
+Description: Display the mvsas drivers version
+
+What: /sys/devices/pci/<devices>/<dev>/host/scsi_host/host/interrupt_coalescing
+Date: May 2011
+Kernel Version: 2.6.39
+Contact: yuxiangl@marvell.com
+Description: Determines the maximum time the 88SE94XX waits after the occurrence of a
+ Command Done before generating an interrupt.The maximum number of the
+ variable is less than 0x10000.

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