From a46db60834883c1c8c665d7fcc7b4ab66f5966fc Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Fri, 7 Jan 2011 13:02:04 +0000
Subject: xfs: add FITRIM support

Allow manual discards from userspace using the FITRIM ioctl.  This is not
intended to be run during normal workloads, as the freepsace btree walks
can cause large performance degradation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
---
 fs/xfs/Makefile | 1 +
 1 file changed, 1 insertion(+)

(limited to 'fs/xfs/Makefile')

diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 0dce969d6ca..faca4499709 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -98,6 +98,7 @@ xfs-y				+= $(addprefix $(XFS_LINUX)/, \
 				   kmem.o \
 				   xfs_aops.o \
 				   xfs_buf.o \
+				   xfs_discard.o \
 				   xfs_export.o \
 				   xfs_file.o \
 				   xfs_fs_subr.o \
-- 
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