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authorYueHaibing <yuehaibing@huawei.com>2020-05-06 21:22:39 +0800
committerDavid Sterba <dsterba@suse.com>2020-05-25 11:25:28 +0200
commiteec5b6e097cbcaf8d42209b6ef059cee8aa00790 (patch)
tree38a4232d3ff074172e87d926ab3a666b286a8405 /fs/btrfs/extent-tree.c
parentfb8521caa8f21f3153c5dc9feb055b6cd3e45c89 (diff)
btrfs: remove unused function heads_to_leaves
There's no callers in-tree anymore since commit 64403612b73a ("btrfs: rework btrfs_check_space_for_delayed_refs") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index faa585d54eb7..3593f8cce9e5 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2114,22 +2114,6 @@ static u64 find_middle(struct rb_root *root)
}
#endif
-static inline u64 heads_to_leaves(struct btrfs_fs_info *fs_info, u64 heads)
-{
- u64 num_bytes;
-
- num_bytes = heads * (sizeof(struct btrfs_extent_item) +
- sizeof(struct btrfs_extent_inline_ref));
- if (!btrfs_fs_incompat(fs_info, SKINNY_METADATA))
- num_bytes += heads * sizeof(struct btrfs_tree_block_info);
-
- /*
- * We don't ever fill up leaves all the way so multiply by 2 just to be
- * closer to what we're really going to want to use.
- */
- return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(fs_info));
-}
-
/*
* Takes the number of bytes to be csumm'ed and figures out how many leaves it
* would require to store the csums for that many bytes.