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Add some ring tracing

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2017-04-12 12:54:44 -07:00
parent 5e0e9ac12e
commit 45882f5a77
1 changed files with 16 additions and 0 deletions
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16
kmod/src/ring.c
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@@ -289,6 +289,10 @@ void *scoutfs_ring_insert(struct scoutfs_ring_info *ring, void *key,
list_add_tail(&rnode->head, &ring->dirty_list);
mark_node_dirty(ring, rnode, true);
trace_printk("inserted rnode %p in %u deleted %u dirty %u\n",
rnode, rnode->in_ring, rnode->deleted,
rnode->dirty);
return rnode->data;
}
@@ -429,6 +433,9 @@ void scoutfs_ring_delete(struct scoutfs_ring_info *ring, void *data)
{
struct ring_node *rnode = data_rnode(data);
trace_printk("deleting rnode %p in %u deleted %u dirty %u\n",
rnode, rnode->in_ring, rnode->deleted, rnode->dirty);
BUG_ON(rnode->deleted);
if (rnode->in_ring) {
@@ -456,12 +463,16 @@ static int load_ring_block(struct scoutfs_ring_info *ring,
int ret = 0;
int cmp;
trace_printk("block %llu\n", le64_to_cpu(rblk->block));
rent = rblk->entries;
for (i = 0; i < le32_to_cpu(rblk->nr_entries); i++) {
/* XXX verify fields? */
data_len = le16_to_cpu(rent->data_len);
trace_printk("rent %u data_len %u\n", i, data_len);
if (rent->flags & SCOUTFS_RING_ENTRY_FLAG_DELETION) {
rnode = ring_rb_walk(ring, NULL, rent->data, NULL,
&cmp);
@@ -669,6 +680,11 @@ int scoutfs_ring_submit_write(struct super_block *sb,
while (rnode && &rent->data[rnode->data_len] <= end) {
trace_printk("writing ent %u rnode %p in %u deleted %u dirty %u\n",
le32_to_cpu(rblk->nr_entries),
rnode, rnode->in_ring, rnode->deleted,
rnode->dirty);
rent->data_len = cpu_to_le16(rnode->data_len);
if (rnode->deleted)
rent->flags = SCOUTFS_RING_ENTRY_FLAG_DELETION;