diff options
Diffstat (limited to 'libbcachefs/alloc_background.c')
| -rw-r--r-- | libbcachefs/alloc_background.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libbcachefs/alloc_background.c b/libbcachefs/alloc_background.c index 4dfcf3e6..54e0cc37 100644 --- a/libbcachefs/alloc_background.c +++ b/libbcachefs/alloc_background.c @@ -1806,6 +1806,19 @@ struct discard_buckets_state { u64 discarded; }; +/* + * This is needed because discard is both a filesystem option and a device + * option, and mount options are supposed to apply to that mount and not be + * persisted, i.e. if it's set as a mount option we can't propagate it to the + * device. + */ +static inline bool discard_opt_enabled(struct bch_fs *c, struct bch_dev *ca) +{ + return test_bit(BCH_FS_discard_mount_opt_set, &c->flags) + ? c->opts.discard + : ca->mi.discard; +} + static int bch2_discard_one_bucket(struct btree_trans *trans, struct bch_dev *ca, struct btree_iter *need_discard_iter, @@ -1869,7 +1882,7 @@ static int bch2_discard_one_bucket(struct btree_trans *trans, s->discarded++; *discard_pos_done = iter.pos; - if (ca->mi.discard && !c->opts.nochanges) { + if (discard_opt_enabled(c, ca) && !c->opts.nochanges) { /* * This works without any other locks because this is the only * thread that removes items from the need_discard tree |