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branches/zip: buf_page_init_for_read(): Decrement, do not reset

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block->page.buf_fix_count.  This mistake was made in r1255.
When access to the block is requested by some other thread,
buf_fix_count can be incremented during the execution of
buf_zip_decompress().
This commit is contained in:
marko 2007-01-23 16:12:14 +00:00
parent f0154795ad
commit 87defea2bb
1 changed files with 1 additions and 1 deletions
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2
buf/buf0buf.c
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@ -2320,7 +2320,7 @@ buf_page_init_for_read(
/* Unfix and unlatch the block. */ /* Unfix and unlatch the block. */
mutex_enter(&buf_pool->mutex); mutex_enter(&buf_pool->mutex);
mutex_enter(&block->mutex); mutex_enter(&block->mutex);
block->page.buf_fix_count = 0; block->page.buf_fix_count--;
buf_block_set_io_fix(block, BUF_IO_NONE); buf_block_set_io_fix(block, BUF_IO_NONE);
mutex_exit(&buf_pool->mutex); mutex_exit(&buf_pool->mutex);
mutex_exit(&block->mutex); mutex_exit(&block->mutex);