linux-ext4 - + ext4-use-ext4_group_first_block

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Message-Id: <200802181019.m1IAJpeO019940@imap1.linux-foundation.org>
Date:	Mon, 18 Feb 2008 02:18:53 -0800
From:	akpm@...ux-foundation.org
To:	mm-commits@...r.kernel.org
Cc:	akinobu.mita@...il.com, linux-ext4@...r.kernel.org
Subject: + ext4-use-ext4_group_first_block_no.patch added to -mm tree


The patch titled
     ext4: use ext4_group_first_block_no()
has been added to the -mm tree.  Its filename is
     ext4-use-ext4_group_first_block_no.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: ext4: use ext4_group_first_block_no()
From: Akinobu Mita <akinobu.mita@...il.com>

Use ext4_group_first_block_no() and assign the return values to
ext2_fsblk_t variables.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: <linux-ext4@...r.kernel.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---

 fs/ext4/balloc.c |    6 +++---
 fs/ext4/xattr.c  |    6 ++----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff -puN fs/ext4/balloc.c~ext4-use-ext4_group_first_block_no fs/ext4/balloc.c
--- a/fs/ext4/balloc.c~ext4-use-ext4_group_first_block_no
+++ a/fs/ext4/balloc.c
@@ -48,7 +48,6 @@ void ext4_get_group_no_and_offset(struct
 unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
 		 ext4_group_t block_group, struct ext4_group_desc *gdp)
 {
-	unsigned long start;
 	int bit, bit_max;
 	unsigned free_blocks, group_blocks;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -106,11 +105,12 @@ unsigned ext4_init_block_bitmap(struct s
 	free_blocks = group_blocks - bit_max;
 
 	if (bh) {
+		ext4_fsblk_t start;
+
 		for (bit = 0; bit < bit_max; bit++)
 			ext4_set_bit(bit, bh->b_data);
 
-		start = block_group * EXT4_BLOCKS_PER_GROUP(sb) +
-			le32_to_cpu(sbi->s_es->s_first_data_block);
+		start = ext4_group_first_block_no(sb, block_group);
 
 		/* Set bits for block and inode bitmaps, and inode table */
 		ext4_set_bit(ext4_block_bitmap(sb, gdp) - start, bh->b_data);
diff -puN fs/ext4/xattr.c~ext4-use-ext4_group_first_block_no fs/ext4/xattr.c
--- a/fs/ext4/xattr.c~ext4-use-ext4_group_first_block_no
+++ a/fs/ext4/xattr.c
@@ -808,10 +808,8 @@ inserted:
 			get_bh(new_bh);
 		} else {
 			/* We need to allocate a new block */
-			ext4_fsblk_t goal = le32_to_cpu(
-					EXT4_SB(sb)->s_es->s_first_data_block) +
-				(ext4_fsblk_t)EXT4_I(inode)->i_block_group *
-				EXT4_BLOCKS_PER_GROUP(sb);
+			ext4_fsblk_t goal = ext4_group_first_block_no(sb,
+						EXT4_I(inode)->i_block_group);
 			ext4_fsblk_t block = ext4_new_block(handle, inode,
 							goal, &error);
 			if (error)
_

Patches currently in -mm which might be from akinobu.mita@...il.com are

git-dvb.patch
ext2-improve-ext2_readdir-return-value.patch
ext2-use-ext2_group_first_block_no.patch
ext2-use-ext2_fsblk_t-type.patch
ext3-use-ext3_group_first_block_no.patch
ext3-add-missing-ext3_journal_stop.patch
ext3-use-ext3_get_group_desc.patch
ext3-check-ext3_journal_get_write_access-errors.patch
ext4-use-ext4_group_first_block_no.patch
ext4-add-missing-ext4_journal_stop.patch
ext4-use-ext4_get_group_desc.patch
ext4-check-ext4_journal_get_write_access-errors.patch

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