Changeset 628 for trunk/kernel/mm/mapper.h

Timestamp:

May 6, 2019, 1:28:01 PM (5 years ago)

Author:

alain

Message:

Introduce teh page_min / page_max mechanism in the fatfs_release_inode()
function, to avoid to scan all pages in FAT mapper.

File:

• trunk/kernel/mm/mapper.h (modified) (2 diffs)

trunk/kernel/mm/mapper.h

@@ -206 +206 @@
  *******************************************************************************************
  * @ mapper_xp  : [in]  extended pointer on the mapper.
- * @ word_id    : [in]  32 bits word index in file.
- * @ p_value    : [out] local pointer on destination buffer.
+ * @ page_id    : [in]  page index in mapper.
+ * @ word_id    : [in]  32 bits word index in page.
+ * @ value      : [out] local pointer on destination buffer.
  * @ returns 0 if success / return -1 if error.
  ******************************************************************************************/
 error_t mapper_remote_get_32( xptr_t     mapper_xp,
+                              uint32_t   page_id,
                               uint32_t   word_id,
-                              uint32_t * p_value );
+                              uint32_t * value );
 
 /*******************************************************************************************
@@ -220 +222 @@
  * In case of miss, it takes the mapper lock in WRITE_MODE, load the missing
  * page from device to mapper, and release the mapper lock.
+ * It does not update the FAT on IOC device.
  *******************************************************************************************
  * @ mapper_xp  : [in]  extended pointer on the mapper.
- * @ word_id    : [in]  32 bits word index in file.
+ * @ page_id    : [in]  page index in mapper.
+ * @ word_id    : [in]  32 bits word index in page.
  * @ value      : [in]  value to be written.
  * @ returns 0 if success / return -1 if error.
  ******************************************************************************************/
 error_t mapper_remote_set_32( xptr_t     mapper_xp,
+                              uint32_t   page_id,
                               uint32_t   word_id,
                               uint32_t   value );