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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-05-02 18:22:12 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-05-13 00:22:05 -0400 |
| commit | f5ea883dae4172b168feea4e6f08fff23242959f (patch) | |
| tree | 1f519136dc68e94dba7b5cea80da12e6d7c09aa2 | |
| parent | caf354f87146024d1fa103c429a9bde19439fdae (diff) | |
bcachefs: Improved comment for bch2_replicas_gc2()
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/replicas.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/bcachefs/replicas.c b/fs/bcachefs/replicas.c index 8935ff5899c9..8ae50dfd8c8c 100644 --- a/fs/bcachefs/replicas.c +++ b/fs/bcachefs/replicas.c @@ -550,8 +550,14 @@ int bch2_replicas_gc_start(struct bch_fs *c, unsigned typemask) return 0; } -/* New much simpler mechanism for clearing out unneeded replicas entries: */ - +/* + * New much simpler mechanism for clearing out unneeded replicas entries - drop + * replicas entries that have 0 sectors used. + * + * However, we don't track sector counts for journal usage, so this doesn't drop + * any BCH_DATA_journal entries; the old bch2_replicas_gc_(start|end) mechanism + * is retained for that. + */ int bch2_replicas_gc2(struct bch_fs *c) { struct bch_replicas_cpu new = { 0 }; |