Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / xfs / xfs_filestream.h

diff --git a/kernel/fs/xfs/xfs_filestream.h b/kernel/fs/xfs/xfs_filestream.h
new file mode 100644 (file)
index 0000000..2ef4340
--- /dev/null
+++ b/kernel/fs/xfs/xfs_filestream.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2006-2007 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * 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.
+ *
+ * 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_FILESTREAM_H__
+#define __XFS_FILESTREAM_H__
+
+struct xfs_mount;
+struct xfs_inode;
+struct xfs_bmalloca;
+
+int xfs_filestream_mount(struct xfs_mount *mp);
+void xfs_filestream_unmount(struct xfs_mount *mp);
+void xfs_filestream_deassociate(struct xfs_inode *ip);
+xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
+int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
+int xfs_filestream_peek_ag(struct xfs_mount *mp, xfs_agnumber_t agno);
+
+static inline int
+xfs_inode_is_filestream(
+       struct xfs_inode        *ip)
+{
+       return (ip->i_mount->m_flags & XFS_MOUNT_FILESTREAMS) ||
+               (ip->i_d.di_flags & XFS_DIFLAG_FILESTREAM);
+}
+
+#endif /* __XFS_FILESTREAM_H__ */