Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
I've you have to re-post another potential candidate in this
function would be:
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 9235c671bef8..3ebf64578a32 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2578,7 +2578,8 @@ int prealloc_file_extent_cluster(struct inode *inode,
u64 alloc_hint = 0;
u64 start;
u64 end;
- u64 offset = BTRFS_I(inode)->index_cnt;
+ struct btrfs_inode *btrfs_inode = BTRFS_I(inode);
+ u64 offset = btrfs_inode->index_cnt;
u64 num_bytes;
int nr = 0;
int ret = 0;
@@ -2589,7 +2590,7 @@ int prealloc_file_extent_cluster(struct inode *inode,
BUG_ON(cluster->start != cluster->boundary[0]);
inode_lock(inode);
- ret = btrfs_alloc_data_chunk_ondemand(BTRFS_I(inode),
+ ret = btrfs_alloc_data_chunk_ondemand(btrfs_inode,
prealloc_end + 1 - prealloc_start);
if (ret)
goto out;
@@ -2611,7 +2612,7 @@ int prealloc_file_extent_cluster(struct inode *inode,
num_bytes, num_bytes,
end + 1, &alloc_hint);
cur_offset = end + 1;
- unlock_extent(&BTRFS_I(inode)->io_tree, start, end);
+ unlock_extent(&btrfs_inode->io_tree, start, end);
if (ret)
break;
nr++;
This would save 3 BTRFS_I() calls, but not sure how much of a difference it
makes in the end.