From: Jie Liu <jeff.liu@xxxxxxxxxx>
There is no need to travel through the whole bitmap items to verify
if the bitmap array is empty or not, instead, just return 0 directly
if an item is detected in bitmap array.
Signed-off-by: Jie Liu <jeff.liu@xxxxxxxxxx>
---
fs/xfs/xfs_bit.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/xfs/xfs_bit.c b/fs/xfs/xfs_bit.c
index 0e8885a..ae0acc2 100644
--- a/fs/xfs/xfs_bit.c
+++ b/fs/xfs/xfs_bit.c
@@ -32,13 +32,13 @@ int
xfs_bitmap_empty(uint *map, uint size)
{
uint i;
- uint ret = 0;
for (i = 0; i < size; i++) {
- ret |= map[i];
+ if (map[i])
+ return 0;
}
- return (ret == 0);
+ return 1;
}
/*
--
1.8.3.2
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