patch-2.4.25 linux-2.4.25/fs/xfs/xfs_iocore.c

• Lines: 134
• Date: 2004-02-18 05:36:32.000000000 -0800
• Orig file: linux-2.4.24/fs/xfs/xfs_iocore.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.24/fs/xfs/xfs_iocore.c linux-2.4.25/fs/xfs/xfs_iocore.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 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.
+ *
+ * Further, this software is distributed without any warranty that it is
+ * free of the rightful claim of any third person regarding infringement
+ * or the like.  Any license provided herein, whether implied or
+ * otherwise, applies only to this software file.  Patent licenses, if
+ * any, provided herein do not apply to combinations of this program with
+ * other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
+ * Mountain View, CA  94043, or:
+ *
+ * http://www.sgi.com
+ *
+ * For further information regarding this notice, see:
+ *
+ * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ */
+
+#include "xfs.h"
+#include "xfs_macros.h"
+#include "xfs_types.h"
+#include "xfs_inum.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
+#include "xfs_dir.h"
+#include "xfs_dir2.h"
+#include "xfs_dmapi.h"
+#include "xfs_mount.h"
+#include "xfs_alloc_btree.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_ialloc_btree.h"
+#include "xfs_itable.h"
+#include "xfs_btree.h"
+#include "xfs_alloc.h"
+#include "xfs_ialloc.h"
+#include "xfs_attr_sf.h"
+#include "xfs_dir_sf.h"
+#include "xfs_dir2_sf.h"
+#include "xfs_dinode.h"
+#include "xfs_inode_item.h"
+#include "xfs_inode.h"
+#include "xfs_bmap.h"
+#include "xfs_error.h"
+#include "xfs_bit.h"
+#include "xfs_rw.h"
+#include "xfs_quota.h"
+#include "xfs_trans_space.h"
+#include "xfs_iomap.h"
+
+
+STATIC xfs_fsize_t
+xfs_size_fn(
+	xfs_inode_t		*ip)
+{
+	return (ip->i_d.di_size);
+}
+
+STATIC int
+xfs_ioinit(
+	struct vfs		*vfsp,
+	struct xfs_mount_args	*mntargs,
+	int			flags)
+{
+	return xfs_mountfs(vfsp, XFS_VFSTOM(vfsp), flags);
+}
+
+xfs_ioops_t	xfs_iocore_xfs = {
+	.xfs_ioinit		= (xfs_ioinit_t) xfs_ioinit,
+	.xfs_bmapi_func		= (xfs_bmapi_t) xfs_bmapi,
+	.xfs_bmap_eof_func	= (xfs_bmap_eof_t) xfs_bmap_eof,
+	.xfs_iomap_write_direct =
+			(xfs_iomap_write_direct_t) xfs_iomap_write_direct,
+	.xfs_iomap_write_delay =
+			(xfs_iomap_write_delay_t) xfs_iomap_write_delay,
+	.xfs_iomap_write_allocate =
+			(xfs_iomap_write_allocate_t) xfs_iomap_write_allocate,
+	.xfs_iomap_write_unwritten =
+			(xfs_iomap_write_unwritten_t) xfs_iomap_write_unwritten,
+	.xfs_ilock		= (xfs_lock_t) xfs_ilock,
+	.xfs_lck_map_shared	= (xfs_lck_map_shared_t) xfs_ilock_map_shared,
+	.xfs_ilock_demote	= (xfs_lock_demote_t) xfs_ilock_demote,
+	.xfs_ilock_nowait	= (xfs_lock_nowait_t) xfs_ilock_nowait,
+	.xfs_unlock		= (xfs_unlk_t) xfs_iunlock,
+	.xfs_size_func		= (xfs_size_t) xfs_size_fn,
+	.xfs_iodone		= (xfs_iodone_t) fs_noerr,
+};
+
+void
+xfs_iocore_inode_reinit(
+	xfs_inode_t	*ip)
+{
+	xfs_iocore_t	*io = &ip->i_iocore;
+
+	io->io_flags = 0;
+	if (ip->i_d.di_flags & XFS_DIFLAG_REALTIME)
+		io->io_flags |= XFS_IOCORE_RT;
+	io->io_dmevmask = ip->i_d.di_dmevmask;
+	io->io_dmstate = ip->i_d.di_dmstate;
+}
+
+void
+xfs_iocore_inode_init(
+	xfs_inode_t	*ip)
+{
+	xfs_iocore_t	*io = &ip->i_iocore;
+	xfs_mount_t	*mp = ip->i_mount;
+
+	io->io_mount = mp;
+#ifdef DEBUG
+	io->io_lock = &ip->i_lock;
+	io->io_iolock = &ip->i_iolock;
+#endif
+
+	io->io_obj = (void *)ip;
+
+	xfs_iocore_inode_reinit(ip);
+}