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bcachefs: Fix promotes 

The recent work to fix data moves w.r.t. durability broke promotes,
because the caused us to bail out when the extent minus pointers being
dropped still has enough pointers to satisfy the current number of
replicas.

Disable this check when we're adding cached replicas.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
pull/318/merge
Kent Overstreet 2023-12-23 23:29:05 -05:00
parent c8296d730f
commit 7b474c77da
1 changed files with 2 additions and 1 deletions
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3
fs/bcachefs/data_update.c
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@ -587,7 +587,8 @@ int bch2_data_update_init(struct btree_trans *trans,
* Increasing replication is an explicit operation triggered by
* rereplicate, currently, so that users don't get an unexpected -ENOSPC
*/
if (durability_have >= io_opts.data_replicas) {
if (!(m->data_opts.write_flags & BCH_WRITE_CACHED) &&
durability_have >= io_opts.data_replicas) {
m->data_opts.kill_ptrs |= m->data_opts.rewrite_ptrs;
m->data_opts.rewrite_ptrs = 0;
/* if iter == NULL, it's just a promote */