From 38e3d93fa1da7e3f0bc61b240a65cee7fb024400 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Tue, 2 May 2023 18:22:12 -0400 Subject: [PATCH] bcachefs: Improved comment for bch2_replicas_gc2() Signed-off-by: Kent Overstreet --- fs/bcachefs/replicas.c | 10 ++++++++-- 1 file 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 };