[Ocfs2-tools-devel] [PATCH 18/44] tunefs.ocfs2: Remove features.c.

[Tao Ma]

features.c isn't used any more, so remove it.

Signed-off-by: Tao Ma <tao.ma at oracle.com>
---
 tunefs.ocfs2/features.c |  184 -----------------------------------------------
 1 files changed, 0 insertions(+), 184 deletions(-)
 delete mode 100644 tunefs.ocfs2/features.c

diff --git a/tunefs.ocfs2/features.c b/tunefs.ocfs2/features.c
deleted file mode 100644
index 268e5d9..0000000
--- a/tunefs.ocfs2/features.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * features.c
- *
- * source file for adding or removing features for tunefs.
- *
- * Copyright (C) 2007 Oracle.  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; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will 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 to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- *
- */
-#include <ocfs2/ocfs2.h>
-
-#include <assert.h>
-
-#include <tunefs.h>
-
-extern ocfs2_tune_opts opts;
-
-#define TUNEFS_COMPAT_SET	0
-#define TUNEFS_COMPAT_CLEAR	0
-#define TUNEFS_RO_COMPAT_SET	OCFS2_FEATURE_RO_COMPAT_UNWRITTEN
-#define TUNEFS_RO_COMPAT_CLEAR	OCFS2_FEATURE_RO_COMPAT_UNWRITTEN
-#define TUNEFS_INCOMPAT_SET	(OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC | \
-				 OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP | \
-				 OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
-#define TUNEFS_INCOMPAT_CLEAR	(OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC | \
-				 OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP | \
-				 OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
-
-/*
- * Check whether we can add or remove a feature.
- *
- * Features which can be SET or CLEARed are represented in the TUNEFS
- * bitfields above.
- * More feature check may be added if we want to
- * support more options in tunefs.ocfs2.
- */
-errcode_t feature_check(ocfs2_filesys *fs)
-{
-	errcode_t ret = 1;
-	int sparse_on = ocfs2_sparse_alloc(OCFS2_RAW_SB(fs->fs_super));
-
-	if (opts.set_feature.opt_compat & ~TUNEFS_COMPAT_SET ||
-	    opts.set_feature.opt_ro_compat & ~TUNEFS_RO_COMPAT_SET ||
-	    opts.set_feature.opt_incompat & ~TUNEFS_INCOMPAT_SET)
-		goto bail;
-
-	if (opts.clear_feature.opt_compat & ~TUNEFS_COMPAT_CLEAR ||
-	    opts.clear_feature.opt_ro_compat & ~TUNEFS_RO_COMPAT_CLEAR ||
-	    opts.clear_feature.opt_incompat & ~TUNEFS_INCOMPAT_CLEAR)
-		goto bail;
-
-	if (opts.set_feature.opt_incompat &
-	    OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC) {
-		/*
-		 * Allow sparse to pass on an already-sparse file
-		 * system if the user asked for unwritten extents.
-		 */
-		if (ocfs2_sparse_alloc(OCFS2_RAW_SB(fs->fs_super)) && 
-		    !(opts.set_feature.opt_ro_compat &
-		      OCFS2_FEATURE_RO_COMPAT_UNWRITTEN))
-			goto bail;
-
-		sparse_on = 1;
-	} else if (opts.clear_feature.opt_incompat &
-		   OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC) {
-		if (!ocfs2_sparse_alloc(OCFS2_RAW_SB(fs->fs_super)))
-			goto bail;
-
-		/*
-		 * Turning off sparse files means we must also turn
-		 * off unwritten extents.  Check to make sure the clear
-		 * list includes them.
-		 */
-		if (!(opts.clear_feature.opt_ro_compat &
-		      OCFS2_FEATURE_RO_COMPAT_UNWRITTEN))
-			goto bail;
-
-		/* But if we don't have unwritten extents, we don't need
-		 * to clear them. */
-		if (!ocfs2_writes_unwritten_extents(OCFS2_RAW_SB(fs->fs_super)))
-			opts.clear_feature.opt_ro_compat &=
-				~OCFS2_FEATURE_RO_COMPAT_UNWRITTEN;
-
-		sparse_on = 0;
-		ret = clear_sparse_file_check(fs, opts.progname, 0);
-		if (ret)
-			goto bail;
-	}
-
-	if (opts.set_feature.opt_ro_compat &
-	    OCFS2_FEATURE_RO_COMPAT_UNWRITTEN) {
-		/*
-		 * Disallow setting of unwritten extents unless we
-		 * either have sparse file support, or will also be
-		 * turning it on.
-		 */
-		if (!sparse_on)
-			goto bail;
-
-		/*
-		 * We can't use the helper here because it checks for
-		 * the sparse flag.
-		 */
-		if (OCFS2_HAS_RO_COMPAT_FEATURE(OCFS2_RAW_SB(fs->fs_super),
-					OCFS2_FEATURE_RO_COMPAT_UNWRITTEN))
-		    goto bail;
-	} else if (opts.clear_feature.opt_ro_compat &
-		   OCFS2_FEATURE_RO_COMPAT_UNWRITTEN) {
-		if (!ocfs2_writes_unwritten_extents(OCFS2_RAW_SB(fs->fs_super)))
-			goto bail;
-
-		if (sparse_on) {
-			/*
-			 * If we haven't run through the file system
-			 * yet, do it now in order to build up our
-			 * list of files with unwritten extents.
-			 */
-			ret = clear_sparse_file_check(fs, opts.progname, 1);
-			if (ret)
-				goto bail;
-		}
-	}
-
-	if (opts.clear_feature.opt_incompat &
-	    OCFS2_FEATURE_INCOMPAT_INLINE_DATA) {
-		if (!ocfs2_support_inline_data(OCFS2_RAW_SB(fs->fs_super)))
-			goto bail;
-
-		ret = clear_inline_data_check(fs, opts.progname);
-		if (ret)
-			goto bail;
-	}
-	ret = 0;
-bail:
-	return ret;
-}
-
-errcode_t update_feature(ocfs2_filesys *fs)
-{
-	errcode_t ret = 0;
-
-	if (opts.set_feature.opt_incompat & OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC)
-		ret = set_sparse_file_flag(fs, opts.progname);
-	else if (opts.clear_feature.opt_incompat
-		 & OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC ||
-		 opts.clear_feature.opt_ro_compat
-		 & OCFS2_FEATURE_RO_COMPAT_UNWRITTEN)
-		ret = clear_sparse_file_flag(fs, opts.progname);
-	if (ret)
-		goto bail;
-
-	if (opts.set_feature.opt_ro_compat & OCFS2_FEATURE_RO_COMPAT_UNWRITTEN)
-		set_unwritten_extents_flag(fs);
-
-	if ((opts.set_feature.opt_incompat | opts.clear_feature.opt_incompat) &
-	    OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP)
-		ret = reformat_slot_map(fs);
-
-	if (opts.set_feature.opt_incompat & OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
-		OCFS2_SET_INCOMPAT_FEATURE(OCFS2_RAW_SB(fs->fs_super),
-					   OCFS2_FEATURE_INCOMPAT_INLINE_DATA);
-	else if (opts.clear_feature.opt_incompat &
-		 OCFS2_FEATURE_INCOMPAT_INLINE_DATA)
-		ret = clear_inline_data_flag(fs, opts.progname);
-
-bail:
-	return ret;
-}
-- 
1.5.5