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branches/zip: buf_get_latched_pages_number(): Count compressed-only blocks too.

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marko 2007-01-05 21:00:07 +00:00
parent e24afbc387
commit f11423bc29
1 changed files with 41 additions and 0 deletions
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41
buf/buf0buf.c
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@ -2879,8 +2879,10 @@ Returns the number of latched pages in the buffer pool. */
ulint
buf_get_latched_pages_number(void)
/*==============================*/
{
buf_chunk_t* chunk;
buf_page_t* b;
ulint i;
ulint fixed_pages_number = 0;
@ -2913,6 +2915,45 @@ buf_get_latched_pages_number(void)
}
}
mutex_enter(&buf_pool->zip_mutex);
/* Traverse the lists of clean and dirty compressed-only blocks. */
for (b = UT_LIST_GET_FIRST(buf_pool->zip_clean); b;
b = UT_LIST_GET_NEXT(list, b)) {
ut_a(buf_page_get_state(b) == BUF_BLOCK_ZIP_PAGE);
ut_a(buf_page_get_io_fix(b) == BUF_IO_NONE);
if (b->buf_fix_count != 0
|| buf_page_get_io_fix(b) != BUF_IO_NONE) {
fixed_pages_number++;
}
}
for (b = UT_LIST_GET_FIRST(buf_pool->flush_list); b;
b = UT_LIST_GET_NEXT(list, b)) {
switch (buf_page_get_state(b)) {
case BUF_BLOCK_ZIP_DIRTY:
if (b->buf_fix_count != 0
|| buf_page_get_io_fix(b) != BUF_IO_NONE) {
fixed_pages_number++;
}
break;
case BUF_BLOCK_FILE_PAGE:
/* uncompressed page */
break;
case BUF_BLOCK_ZIP_FREE:
case BUF_BLOCK_ZIP_PAGE:
case BUF_BLOCK_NOT_USED:
case BUF_BLOCK_READY_FOR_USE:
case BUF_BLOCK_MEMORY:
case BUF_BLOCK_REMOVE_HASH:
ut_error;
break;
}
}
mutex_exit(&buf_pool->zip_mutex);
mutex_exit(&(buf_pool->mutex));
return(fixed_pages_number);