diff options
Diffstat (limited to 'storage/innobase/include/fil0fil.h')
| -rw-r--r-- | storage/innobase/include/fil0fil.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/storage/innobase/include/fil0fil.h b/storage/innobase/include/fil0fil.h index cb12c91d29a..24d587519eb 100644 --- a/storage/innobase/include/fil0fil.h +++ b/storage/innobase/include/fil0fil.h @@ -326,6 +326,8 @@ struct fil_space_t /*!< recovered tablespace size in pages; 0 if no size change was read from the redo log, or if the size change was implemented */ + /** the committed size of the tablespace in pages */ + Atomic_relaxed<ulint> committed_size; ulint n_reserved_extents; /*!< number of reserved free extents for ongoing operations like B-tree page split */ @@ -386,6 +388,15 @@ struct fil_space_t /** @return whether the tablespace is about to be dropped */ bool is_stopping() const { return stop_new_ops; } + /** Clamp a page number for batched I/O, such as read-ahead. + @param offset page number limit + @return offset clamped to the tablespace size */ + ulint max_page_number_for_io(ulint offset) const + { + const ulint limit= committed_size; + return limit > offset ? offset : limit; + } + /** @return whether doublewrite buffering is needed */ bool use_doublewrite() const { @@ -1327,15 +1338,6 @@ inline void fil_node_t::complete_io(bool write) #include "fil0crypt.h" -/** Returns the latch of a file space. -@param[in] id space id -@param[out] flags tablespace flags -@return latch protecting storage allocation */ -rw_lock_t* -fil_space_get_latch( - ulint id, - ulint* flags); - /** Create a space memory object and put it to the fil_system hash table. Error messages are issued to the server log. @param[in] name tablespace name |