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author | Su Yue <suy.fnst@cn.fujitsu.com> | 2018-04-24 13:52:31 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2018-06-07 16:37:35 +0200 |
commit | 6a42806d74c148b7a46c1ea04c53c03e9b12b472 (patch) | |
tree | a73e3def4f49a7a325369ae0d200733937082c31 | |
parent | 8606fe4bcb8ff88a67a939911af9336499486c85 (diff) |
btrfs-progs: remove comments about delayed ref in backref.c
There is no delayed ref in btrfs-progs, so remove related comments.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r-- | backref.c | 19 |
1 files changed, 3 insertions, 16 deletions
@@ -155,19 +155,6 @@ static void init_pref_state(struct pref_state *prefstate) * - if you cannot add the parent or a correct key, then we will look into the * block later to set a correct key * - * delayed refs - * ============ - * backref type | shared | indirect | shared | indirect - * information | tree | tree | data | data - * --------------------+--------+----------+--------+---------- - * parent logical | y | - | - | - - * key to resolve | - | y | y | y - * tree block logical | - | - | - | - - * root for resolving | y | y | y | y - * - * - column 1: we've the parent -> done - * - column 2, 3, 4: we use the key to find the parent - * * on disk refs (inline or keyed) * ============================== * backref type | shared | indirect | shared | indirect @@ -735,9 +722,9 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, } /* - * this adds all existing backrefs (inline backrefs, backrefs and delayed - * refs) for the given bytenr to the refs list, merges duplicates and resolves - * indirect refs to their parent bytenr. + * this adds all existing backrefs (inline backrefs, backrefs for the given + * bytenr to the refs list, merges duplicates and resolves indirect refs to + * their parent bytenr. * When roots are found, they're added to the roots list * * FIXME some caching might speed things up |