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authorDarrick J. Wong <darrick.wong@oracle.com>2016-10-03 09:11:32 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2016-10-04 18:06:40 -0700
commit3993baeb3c52f497d243a4a3b5510df97b22596b (patch)
tree2dab55892137a064012b352a0f9ac730797221fb /fs/xfs/xfs_reflink.h
parent11715a21bc3035440b853a0334685f1a55ca8c3c (diff)
downloadlinux-3993baeb3c52f497d243a4a3b5510df97b22596b.tar.bz2
xfs: introduce the CoW fork
Introduce a new in-core fork for storing copy-on-write delalloc reservations and allocated extents that are in the process of being written out. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_reflink.h')
-rw-r--r--fs/xfs/xfs_reflink.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h
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+++ b/fs/xfs/xfs_reflink.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2016 Oracle. All Rights Reserved.
+ *
+ * Author: Darrick J. Wong <darrick.wong@oracle.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#ifndef __XFS_REFLINK_H
+#define __XFS_REFLINK_H 1
+
+#endif /* __XFS_REFLINK_H */