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Implement async mtime change

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This commit is contained in:
Vitaliy Filippov
2024-03-16 13:24:36 +03:00
parent 7b12342933
commit 603dc68f11
12 changed files with 98 additions and 18 deletions
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src/nfs_kv.cpp
+50 -1
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@@ -194,7 +194,7 @@ void nfs_kv_procs(nfs_client_t *self)
void kv_fs_state_t::init(nfs_proxy_t *proxy, json11::Json cfg)
{
// Check if we're using VitastorFS
this->proxy = proxy;
fs_kv_inode = cfg["fs"].uint64_value();
if (fs_kv_inode)
{
@@ -226,6 +226,9 @@ void kv_fs_state_t::init(nfs_proxy_t *proxy, json11::Json cfg)
id_alloc_batch_size = cfg["id_alloc_batch_size"].uint64_value();
if (!id_alloc_batch_size)
id_alloc_batch_size = 200;
touch_interval = cfg["touch_interval"].uint64_value();
if (touch_interval < 100) // ms
touch_interval = 100;
auto & pool_cfg = proxy->cli->st_cli.pool_config.at(proxy->default_pool_id);
pool_block_size = pool_cfg.pg_stripe_size;
pool_alignment = pool_cfg.bitmap_granularity;
@@ -260,4 +263,50 @@ void kv_fs_state_t::init(nfs_proxy_t *proxy, json11::Json cfg)
}
zero_block.resize(pool_block_size < 1048576 ? 1048576 : pool_block_size);
scrap_block.resize(pool_block_size < 1048576 ? 1048576 : pool_block_size);
touch_timer_id = proxy->epmgr->tfd->set_timer(touch_interval, true, [this](int){ touch_inodes(); });
}
kv_fs_state_t::~kv_fs_state_t()
{
if (proxy && touch_timer_id >= 0)
{
proxy->epmgr->tfd->clear_timer(touch_timer_id);
touch_timer_id = -1;
}
}
static void touch_inode(nfs_proxy_t *proxy, inode_t ino, bool allow_cache)
{
kv_read_inode(proxy, ino, [proxy, ino](int res, const std::string & value, json11::Json attrs)
{
if (!res)
{
auto ientry = attrs.object_items();
ientry["mtime"] = nfstime_now_str();
// FIXME: Use "update" query
bool *found = new bool;
*found = true;
proxy->db->set(kv_inode_key(ino), json11::Json(ientry).dump(), [proxy, ino, found](int res)
{
if (!*found)
res = -ENOENT;
delete found;
if (res == -EAGAIN)
touch_inode(proxy, ino, false);
}, [value, found](int res, const std::string & old_value)
{
*found = res == 0;
return res == 0 && old_value == value;
});
}
}, allow_cache);
}
void kv_fs_state_t::touch_inodes()
{
std::set<inode_t> q = std::move(touch_queue);
for (auto ino: q)
{
touch_inode(proxy, ino, true);
}
}