[patch 30/39] ext4: mark the blocks/inode bitmap beyond end ofgroup as used

[Greg KH]

2.6.28-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>

(cherry picked from commit 648f5879f5892dddd3ba71cd0d285599f40f2512)

We need to mark the block/inode bitmap beyond the end of the group
with '1'.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 fs/ext4/ialloc.c  |    2 +-
 fs/ext4/mballoc.c |    4 ++--
 fs/ext4/resize.c  |    6 ++----
 3 files changed, 5 insertions(+), 7 deletions(-)

--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -84,7 +84,7 @@ unsigned ext4_init_inode_bitmap(struct s
 	}
 
 	memset(bh->b_data, 0, (EXT4_INODES_PER_GROUP(sb) + 7) / 8);
-	mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), EXT4_BLOCKS_PER_GROUP(sb),
+	mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), sb->s_blocksize * 8,
 			bh->b_data);
 
 	return EXT4_INODES_PER_GROUP(sb);
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3036,8 +3036,8 @@ ext4_mb_mark_diskspace_used(struct ext4_
 	    in_range(block + len - 1, ext4_inode_table(sb, gdp),
 		     EXT4_SB(sb)->s_itb_per_group)) {
 		ext4_error(sb, __func__,
-			   "Allocating block in system zone - block = %llu",
-			   block);
+			   "Allocating block %llu in system zone of %d group\n",
+			   block, ac->ac_b_ex.fe_group);
 		/* File system mounted not to panic on error
 		 * Fix the bitmap and repeat the block allocation
 		 * We leak some of the blocks here.
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -284,11 +284,9 @@ static int setup_new_group_blocks(struct
 	if ((err = extend_or_restart_transaction(handle, 2, bh)))
 		goto exit_bh;
 
-	mark_bitmap_end(input->blocks_count, EXT4_BLOCKS_PER_GROUP(sb),
-			bh->b_data);
+	mark_bitmap_end(input->blocks_count, sb->s_blocksize * 8, bh->b_data);
 	ext4_journal_dirty_metadata(handle, bh);
 	brelse(bh);
-
 	/* Mark unused entries in inode bitmap used */
 	ext4_debug("clear inode bitmap %#04llx (+%llu)\n",
 		   input->inode_bitmap, input->inode_bitmap - start);
@@ -297,7 +295,7 @@ static int setup_new_group_blocks(struct
 		goto exit_journal;
 	}
 
-	mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), EXT4_BLOCKS_PER_GROUP(sb),
+	mark_bitmap_end(EXT4_INODES_PER_GROUP(sb), sb->s_blocksize * 8,
 			bh->b_data);
 	ext4_journal_dirty_metadata(handle, bh);
 exit_bh:

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