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branches/zip: Make use of the previously unused state BUF_BLOCK_MEMORY.

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buf_LRU_get_free_block(): Document that the block is in the state
BUF_BLOCK_READY_FOR_USE.

buf_block_alloc(): Change the state of the block to BUF_BLOCK_MEMORY
and document it.

Replace those invocations of buf_block_alloc() with
buf_LRU_get_free_block() where the allocated block is used for buffer
pool input and output.  However, temporary copies of B-tree pages
during reorganization are not used for file I/O, and such blocks are
still allocated with buf_block_alloc().
This commit is contained in:
marko
2006-12-13 14:58:54 +00:00
parent 310b625ef5
commit cb530ba3e7
7 changed files with 13 additions and 7 deletions
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3
include/buf0buf.h
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@@ -114,7 +114,8 @@ UNIV_INLINE
buf_block_t*
buf_block_alloc(
/*============*/
/* out, own: the allocated block */
/* out, own: the allocated block,
in state BUF_BLOCK_MEMORY */
ulint zip_size); /* in: compressed page size in bytes,
or 0 if uncompressed tablespace */
/************************************************************************