diff options
Diffstat (limited to 'fs/bcachefs/alloc_background.c')
| -rw-r--r-- | fs/bcachefs/alloc_background.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/bcachefs/alloc_background.c b/fs/bcachefs/alloc_background.c index a6b9fe7038f3..d4f0b62e3138 100644 --- a/fs/bcachefs/alloc_background.c +++ b/fs/bcachefs/alloc_background.c @@ -2298,6 +2298,35 @@ int bch2_fs_freespace_init(struct bch_fs *c) return 0; } +/* device removal */ + +int bch2_dev_remove_alloc(struct bch_fs *c, struct bch_dev *ca) +{ + struct bpos start = POS(ca->dev_idx, 0); + struct bpos end = POS(ca->dev_idx, U64_MAX); + int ret; + + /* + * We clear the LRU and need_discard btrees first so that we don't race + * with bch2_do_invalidates() and bch2_do_discards() + */ + ret = bch2_btree_delete_range(c, BTREE_ID_lru, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_btree_delete_range(c, BTREE_ID_need_discard, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_btree_delete_range(c, BTREE_ID_freespace, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_btree_delete_range(c, BTREE_ID_backpointers, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_btree_delete_range(c, BTREE_ID_alloc, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_btree_delete_range(c, BTREE_ID_bucket_gens, start, end, + BTREE_TRIGGER_norun, NULL) ?: + bch2_dev_usage_remove(c, ca->dev_idx); + bch_err_msg(ca, ret, "removing dev alloc info"); + return ret; +} + /* Bucket IO clocks: */ int bch2_bucket_io_time_reset(struct btree_trans *trans, unsigned dev, |