bcachefs: Add some printks for error paths
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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f59b346477
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1e1a31c4b0
@ -701,8 +701,10 @@ static int bch2_gc_start(struct bch_fs *c,
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c->usage_gc = __alloc_percpu_gfp(fs_usage_u64s(c) * sizeof(u64),
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sizeof(u64), GFP_KERNEL);
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if (!c->usage_gc)
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if (!c->usage_gc) {
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bch_err(c, "error allocating c->usage_gc");
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return -ENOMEM;
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}
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for_each_member_device(ca, c, i) {
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BUG_ON(ca->buckets[1]);
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@ -713,19 +715,23 @@ static int bch2_gc_start(struct bch_fs *c,
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GFP_KERNEL|__GFP_ZERO);
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if (!ca->buckets[1]) {
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percpu_ref_put(&ca->ref);
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bch_err(c, "error allocating ca->buckets[gc]");
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return -ENOMEM;
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}
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ca->usage[1] = alloc_percpu(struct bch_dev_usage);
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if (!ca->usage[1]) {
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bch_err(c, "error allocating ca->usage[gc]");
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percpu_ref_put(&ca->ref);
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return -ENOMEM;
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}
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}
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ret = bch2_ec_mem_alloc(c, true);
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if (ret)
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if (ret) {
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bch_err(c, "error allocating ec gc mem");
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return ret;
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}
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percpu_down_write(&c->mark_lock);
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@ -304,8 +304,10 @@ static int replicas_table_update(struct bch_fs *c,
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if (!(new_base = kzalloc(bytes, GFP_NOIO)) ||
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!(new_scratch = kmalloc(scratch_bytes, GFP_NOIO)) ||
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(c->usage_gc &&
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!(new_gc = __alloc_percpu_gfp(bytes, sizeof(u64), GFP_NOIO))))
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!(new_gc = __alloc_percpu_gfp(bytes, sizeof(u64), GFP_NOIO)))) {
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bch_err(c, "error updating replicas table: memory allocation failure");
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goto err;
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}
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for (i = 0; i < ARRAY_SIZE(new_usage); i++)
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if (c->usage[i])
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@ -365,7 +367,7 @@ static int bch2_mark_replicas_slowpath(struct bch_fs *c,
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struct bch_replicas_entry *new_entry)
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{
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struct bch_replicas_cpu new_r, new_gc;
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int ret = -ENOMEM;
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int ret = 0;
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verify_replicas_entry(new_entry);
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@ -412,14 +414,16 @@ static int bch2_mark_replicas_slowpath(struct bch_fs *c,
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swap(new_gc, c->replicas_gc);
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percpu_up_write(&c->mark_lock);
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out:
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ret = 0;
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err:
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mutex_unlock(&c->sb_lock);
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kfree(new_r.entries);
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kfree(new_gc.entries);
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return ret;
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err:
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bch_err(c, "error adding replicas entry: memory allocation failure");
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ret = -ENOMEM;
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goto out;
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}
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int bch2_mark_replicas(struct bch_fs *c,
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@ -564,6 +568,7 @@ int bch2_replicas_gc_start(struct bch_fs *c, unsigned typemask)
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GFP_NOIO);
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if (!c->replicas_gc.entries) {
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mutex_unlock(&c->sb_lock);
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bch_err(c, "error allocating c->replicas_gc");
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return -ENOMEM;
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}
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@ -589,8 +594,10 @@ retry:
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nr = READ_ONCE(c->replicas.nr);
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new.entry_size = READ_ONCE(c->replicas.entry_size);
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new.entries = kcalloc(nr, new.entry_size, GFP_KERNEL);
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if (!new.entries)
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if (!new.entries) {
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bch_err(c, "error allocating c->replicas_gc");
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return -ENOMEM;
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}
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mutex_lock(&c->sb_lock);
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percpu_down_write(&c->mark_lock);
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