* [PATCH v2] btrfs: simplify expression in btrfs_calc_trans_metadata_size()
@ 2016-01-26 16:33 Byongho Lee
0 siblings, 0 replies; only message in thread
From: Byongho Lee @ 2016-01-26 16:33 UTC (permalink / raw)
To: linux-btrfs, dsterba
Simplify expression in btrfs_calc_trans_metadata_size().
Signed-off-by: Byongho Lee <bhlee.kernel@gmail.com>
Reviewed-by: Stefan Behrens <sbehrens@giantdisaster.de>
---
v2:
Fix wrong function's name in commit log.
---
fs/btrfs/ctree.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a9496644f47d..3ab8026280a2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3448,8 +3448,7 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes);
static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
- return (root->nodesize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
- 2 * num_items;
+ return root->nodesize * BTRFS_MAX_LEVEL * 2 * num_items;
}
/*
--
2.7.0
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