xfs: fix the contact address for the sysfs ABI documentation

oss.sgi.com is long dead, refer to the current linux-xfs list instead.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Chandan Babu R <[email protected]>

Author: Christoph Hellwig

Documentation/ABI/testing/sysfs-fs-xfs

@@ -1,7 +1,7 @@
 What:		/sys/fs/xfs/<disk>/log/log_head_lsn
 Date:		July 2014
 KernelVersion:	3.17
-Contact:	xfs@oss.sgi.com
+Contact:	linux-xfs@vger.kernel.org
 Description:
 		The log sequence number (LSN) of the current head of the
 		log. The LSN is exported in "cycle:basic block" format.
@@ -10,15 +10,15 @@ Users:		xfstests
 What:		/sys/fs/xfs/<disk>/log/log_tail_lsn
 Date:		July 2014
 KernelVersion:	3.17
-Contact:	xfs@oss.sgi.com
+Contact:	linux-xfs@vger.kernel.org
 Description:
 		The log sequence number (LSN) of the current tail of the
 		log. The LSN is exported in "cycle:basic block" format.
 
 What:		/sys/fs/xfs/<disk>/log/reserve_grant_head
 Date:		July 2014
 KernelVersion:	3.17
-Contact:	xfs@oss.sgi.com
+Contact:	linux-xfs@vger.kernel.org
 Description:
 		The current state of the log reserve grant head. It
 		represents the total log reservation of all currently
@@ -29,7 +29,7 @@ Users:		xfstests
 What:		/sys/fs/xfs/<disk>/log/write_grant_head
 Date:		July 2014
 KernelVersion:	3.17
-Contact:	xfs@oss.sgi.com
+Contact:	linux-xfs@vger.kernel.org
 Description:
 		The current state of the log write grant head. It
 		represents the total log reservation of all currently