Ext4: remove a useless check for the function ext4_data_block_valid

PATCH New Wang Shilong 1 participant 1 message Jan 26, 2013 ext4 file system

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Wang Shilong

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2013-01-26 06:43 UTC #0 lore raw

PATCH 1/1 Ext4: remove a useless check for the function ext4_data_block_valid

From: Wang Shilong <[email protected]>

Because it is no doubt 'start_blk + count < start_blk' always comes to false. It is useless to have this check,remove it.

Signed-off-by Wang Shilong <[email protected]>

---
 fs/ext4/block_validity.c | 1 -
 1 file changed, 1 deletion(-)

fs/ext4/block_validity.c +0 -1

index 3f11656..5ffce82 100644
@@ -226,7 +226,6 @@ int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk,
 	struct rb_node *n = sbi->system_blks.rb_node;
 
 	if ((start_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) ||
-	    (start_blk + count < start_blk) ||
 	    (start_blk + count > ext4_blocks_count(sbi->s_es))) {
 		sbi->s_es->s_last_error_block = cpu_to_le64(start_blk);
 		return 0;

-- 1.7.11.7