Use ext4_grp_offs_to_block() to calculate the first block number of the
free extent.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Andreas Dilger <adilger@xxxxxxx>
Cc: linux-ext4@xxxxxxxxxxxxxxx
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
---
fs/ext4/mballoc.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 0babffd..5196a8c 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2697,9 +2697,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
if (err)
goto out_err;
- block = ac->ac_b_ex.fe_group * EXT4_BLOCKS_PER_GROUP(sb)
- + ac->ac_b_ex.fe_start
- + le32_to_cpu(es->s_first_data_block);
+ block = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
len = ac->ac_b_ex.fe_len;
if (!ext4_data_block_valid(sbi, block, len)) {
@@ -3155,9 +3153,7 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
/* The max size of hash table is PREALLOC_TB_SIZE */
order = PREALLOC_TB_SIZE - 1;
- goal_block = ac->ac_g_ex.fe_group * EXT4_BLOCKS_PER_GROUP(ac->ac_sb) +
- ac->ac_g_ex.fe_start +
- le32_to_cpu(EXT4_SB(ac->ac_sb)->s_es->s_first_data_block);
+ goal_block = ext4_grp_offs_to_block(ac->ac_sb, &ac->ac_g_ex);
/*
* search for the prealloc space that is having
* minimal distance from the goal block.
--
1.6.0.6
--
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