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authorDavid Sterba <dsterba@suse.com>2019-03-20 13:17:13 +0100
committerDavid Sterba <dsterba@suse.com>2020-03-23 17:01:44 +0100
commitc4ac75419826c7afc997bbe4da07ad6f963da22f (patch)
tree0993ba0b9ac4d0915a74494a15c8088d77827329
parent9a8658e33d8fd45879eebc44178b2a172e76bb47 (diff)
btrfs: open code trivial helper btrfs_header_chunk_tree_uuid
The helper btrfs_header_chunk_tree_uuid follows naming convention of other struct accessors but does something compeletly different. As the offsetof calculation is clear in the context of extent buffer operations we can remove it. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/ctree.h5
-rw-r--r--fs/btrfs/disk-io.c3
2 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f66c4ea7491d..1cde3f1d8f20 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1973,11 +1973,6 @@ static inline void btrfs_set_header_backref_rev(struct extent_buffer *eb,
btrfs_set_header_flags(eb, flags);
}
-static inline unsigned long btrfs_header_chunk_tree_uuid(const struct extent_buffer *eb)
-{
- return offsetof(struct btrfs_header, chunk_tree_uuid);
-}
-
static inline int btrfs_is_leaf(const struct extent_buffer *eb)
{
return btrfs_header_level(eb) == 0;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 2e482657a1b4..abd7a613c8e6 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3106,7 +3106,8 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
chunk_root->commit_root = btrfs_root_node(chunk_root);
read_extent_buffer(chunk_root->node, fs_info->chunk_tree_uuid,
- btrfs_header_chunk_tree_uuid(chunk_root->node), BTRFS_UUID_SIZE);
+ offsetof(struct btrfs_header, chunk_tree_uuid),
+ BTRFS_UUID_SIZE);
ret = btrfs_read_chunk_tree(fs_info);
if (ret) {