[patch v2 2/4] percpu_counter: delete dead code

From: shaohua . li
Date: Wed Apr 13 2011 - 04:05:41 EST


percpu_counter_sum_positive never returns negative.

Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>

---
fs/ext4/balloc.c | 5 -----
1 file changed, 5 deletions(-)

Index: linux/fs/ext4/balloc.c
===================================================================
--- linux.orig/fs/ext4/balloc.c 2011-04-12 16:22:59.000000000 +0800
+++ linux/fs/ext4/balloc.c 2011-04-13 13:23:01.000000000 +0800
@@ -507,11 +507,6 @@ static int ext4_has_free_blocks(struct e
EXT4_FREEBLOCKS_WATERMARK) {
free_blocks = percpu_counter_sum_positive(fbc);
dirty_blocks = percpu_counter_sum_positive(dbc);
- if (dirty_blocks < 0) {
- printk(KERN_CRIT "Dirty block accounting "
- "went wrong %lld\n",
- (long long)dirty_blocks);
- }
}
/* Check whether we have space after
* accounting for current dirty blocks & root reserved blocks.

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