linux-ext4 - [PATCH 06/14] Make tune2fs uninit block group aware.

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Message-Id: <20071022020341.23849.98782.stgit@toolssf2>
Date:	Sun, 21 Oct 2007 21:03:41 -0500
From:	"Jose R. Santos" <jrs@...ibm.com>
To:	linux-ext4@...r.kernel.org
Subject: [PATCH 06/14] Make tune2fs uninit block group aware.


Make tune2fs uninit block group aware.

Signed-off-by: Jose R. Santos <jrs@...ibm.com>
Signed-Off-By: Andreas Dilger <adilger@...sterfs.com>
--

 misc/tune2fs.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 833b994..e2ebc08 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -98,7 +98,8 @@ static __u32 ok_features[3] = {
 	EXT3_FEATURE_COMPAT_HAS_JOURNAL |
 		EXT2_FEATURE_COMPAT_DIR_INDEX,	/* Compat */
 	EXT2_FEATURE_INCOMPAT_FILETYPE,		/* Incompat */
-	EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER	/* R/O compat */
+	EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER |	/* R/O compat */
+		EXT4_FEATURE_RO_COMPAT_GDT_CSUM
 };
 
 /*
@@ -213,6 +214,8 @@ static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
 	ext2fs_unmark_block_bitmap(fs->block_map,block);
 	group = ext2fs_group_of_blk(fs, block);
 	fs->group_desc[group].bg_free_blocks_count++;
+	fs->group_desc[group].bg_checksum =
+		ext2fs_group_desc_csum(fs->super, group,&fs->group_desc[group]);
 	fs->super->s_free_blocks_count++;
 	return 0;
 }
@@ -282,7 +285,7 @@ static void update_mntopts(ext2_filsys fs, char *mntopts)
 static void update_feature_set(ext2_filsys fs, char *features)
 {
 	int sparse, old_sparse, filetype, old_filetype;
-	int journal, old_journal, dxdir, old_dxdir;
+	int journal, old_journal, dxdir, old_dxdir, uninit, old_uninit;
 	struct ext2_super_block *sb= fs->super;
 	__u32	old_compat, old_incompat, old_ro_compat;
 
@@ -298,6 +301,8 @@ static void update_feature_set(ext2_filsys fs, char *features)
 		EXT3_FEATURE_COMPAT_HAS_JOURNAL;
 	old_dxdir = sb->s_feature_compat &
 		EXT2_FEATURE_COMPAT_DIR_INDEX;
+	old_uninit = sb->s_feature_ro_compat &
+		EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
 	if (e2p_edit_feature(features, &sb->s_feature_compat,
 			     ok_features)) {
 		fprintf(stderr, _("Invalid filesystem option set: %s\n"),
@@ -312,6 +317,8 @@ static void update_feature_set(ext2_filsys fs, char *features)
 		EXT3_FEATURE_COMPAT_HAS_JOURNAL;
 	dxdir = sb->s_feature_compat &
 		EXT2_FEATURE_COMPAT_DIR_INDEX;
+	old_uninit = sb->s_feature_ro_compat &
+		EXT4_FEATURE_RO_COMPAT_GDT_CSUM;
 	if (old_journal && !journal) {
 		if ((mount_flags & EXT2_MF_MOUNTED) &&
 		    !(mount_flags & EXT2_MF_READONLY)) {
@@ -358,6 +365,7 @@ static void update_feature_set(ext2_filsys fs, char *features)
 	     sb->s_feature_incompat))
 		ext2fs_update_dynamic_rev(fs);
 	if ((sparse != old_sparse) ||
+	    (uninit != old_uninit) ||
 	    (filetype != old_filetype)) {
 		sb->s_state &= ~EXT2_VALID_FS;
 		printf("\n%s\n", _(please_fsck));
-
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