update ceph source to reef 18.2.1

[ceph.git] / ceph / src / crimson / os / seastore / lba_manager.h

diff --git a/ceph/src/crimson/os/seastore/lba_manager.h b/ceph/src/crimson/os/seastore/lba_manager.h
index f36a788344ac04a2f8b7280b2f5e5222f5de70b2..d7adf2304fbb69ba27eff162d6f837597d1e7ac6 100644 (file)
--- a/ceph/src/crimson/os/seastore/lba_manager.h
+++ b/ceph/src/crimson/os/seastore/lba_manager.h
@@ -39,6 +39,8 @@ public:
    * Fetches mappings for laddr_t in range [offset, offset + len)
    *
    * Future will not resolve until all pins have resolved (set_paddr called)
+   * For indirect lba mappings, get_mappings will always retrieve the original
+   * lba value.
    */
   using get_mappings_iertr = base_iertr;
   using get_mappings_ret = get_mappings_iertr::future<lba_pin_list_t>;
@@ -50,6 +52,8 @@ public:
    * Fetches mappings for a list of laddr_t in range [offset, offset + len)
    *
    * Future will not resolve until all pins have resolved (set_paddr called)
+   * For indirect lba mappings, get_mappings will always retrieve the original
+   * lba value.
    */
   virtual get_mappings_ret get_mappings(
     Transaction &t,
@@ -59,6 +63,8 @@ public:
    * Fetches the mapping for laddr_t
    *
    * Future will not resolve until the pin has resolved (set_paddr called)
+   * For indirect lba mappings, get_mapping will always retrieve the original
+   * lba value.
    */
   using get_mapping_iertr = base_iertr::extend<
     crimson::ct_error::enoent>;
@@ -81,11 +87,24 @@ public:
     laddr_t hint,
     extent_len_t len,
     paddr_t addr,
-    LogicalCachedExtent *nextent) = 0;
+    LogicalCachedExtent &nextent) = 0;
+
+  virtual alloc_extent_ret clone_extent(
+    Transaction &t,
+    laddr_t hint,
+    extent_len_t len,
+    laddr_t intermediate_key,
+    paddr_t actual_addr,
+    laddr_t intermediate_base) = 0;
+
+  virtual alloc_extent_ret reserve_region(
+    Transaction &t,
+    laddr_t hint,
+    extent_len_t len) = 0;
 
   struct ref_update_result_t {
     unsigned refcount = 0;
-    paddr_t addr;
+    pladdr_t addr;
     extent_len_t length = 0;
   };
   using ref_iertr = base_iertr::extend<
@@ -99,7 +118,8 @@ public:
    */
   virtual ref_ret decref_extent(
     Transaction &t,
-    laddr_t addr) = 0;
+    laddr_t addr,
+    bool cascade_remove) = 0;
 
   /**
    * Increments ref count on extent
@@ -110,6 +130,16 @@ public:
     Transaction &t,
     laddr_t addr) = 0;
 
+  /**
+   * Increments ref count on extent
+   *
+   * @return returns resulting refcount
+   */
+  virtual ref_ret incref_extent(
+    Transaction &t,
+    laddr_t addr,
+    int delta) = 0;
+
   /**
    * Should be called after replay on each cached extent.
    * Implementation must initialize the LBAMapping on any