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| author | Jeff Mahoney <jeffm@suse.com> | 2017-07-13 01:20:08 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-08-16 17:12:01 +0300 |
| commit | 00142756e1f8015d2f8ce96532d156689db7e448 (patch) | |
| tree | 7f21d4788cb9939c63dd2f11f4c3ffdb6700039b /fs/btrfs/backref.h | |
| parent | 6c336b212bef66e507897c78551b3bb4e613a857 (diff) | |
| download | linux-00142756e1f8015d2f8ce96532d156689db7e448.tar.xz | |
btrfs: backref, add tracepoints for prelim_ref insertion and merging
This patch adds a tracepoint event for prelim_ref insertion and
merging. For each, the ref being inserted or merged and the count
of tree nodes is issued.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/backref.h')
| -rw-r--r-- | fs/btrfs/backref.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h index f9428aaaa77a..e410335841aa 100644 --- a/fs/btrfs/backref.h +++ b/fs/btrfs/backref.h @@ -72,4 +72,16 @@ int btrfs_check_shared(struct btrfs_root *root, u64 inum, u64 bytenr); int __init btrfs_prelim_ref_init(void); void btrfs_prelim_ref_exit(void); + +struct prelim_ref { + struct rb_node rbnode; + u64 root_id; + struct btrfs_key key_for_search; + int level; + int count; + struct extent_inode_elem *inode_list; + u64 parent; + u64 wanted_disk_byte; +}; + #endif |