diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-04-16 18:28:25 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-04-16 18:31:47 -0400 |
| commit | 8dd3804bf409095901b2b44b70e2e082f726f556 (patch) | |
| tree | 08307c07fa8453acb60421dbe8a7ba23b87b9123 | |
| parent | 72b5259053903552ee0314eb422c990c29eb8546 (diff) | |
bcachefs: Add missing READ_ONCE() for metadata replicas
If we race with the user changing the metadata_replicas setting, this
could cause us to get an incorrectly sized disk reservation.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/btree_update_interior.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/btree_update_interior.c b/fs/bcachefs/btree_update_interior.c index 55fbeeb8eaaa..44b5fe430370 100644 --- a/fs/bcachefs/btree_update_interior.c +++ b/fs/bcachefs/btree_update_interior.c @@ -1221,7 +1221,7 @@ bch2_btree_update_start(struct btree_trans *trans, struct btree_path *path, ret = bch2_disk_reservation_get(c, &as->disk_res, (nr_nodes[0] + nr_nodes[1]) * btree_sectors(c), - c->opts.metadata_replicas, + READ_ONCE(c->opts.metadata_replicas), disk_res_flags); if (ret) goto err; |