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5669dc3d2a
btr_block_get(): New function to return buf_block_t. btr_page_alloc(), buf_page_get_release_on_io(), buf_page_get_gen(), buf_page_create(), fseg_create(), fseg_create_general(): Return buf_block_t. buf_page_get_known_nowait(): Expect buf_block_t instead of buf_frame_t. buf_frame_get_newest_modification(): Replace with buf_block_get_newest_modification(). buf_page_dbg_add_level(): Replace with buf_block_dbg_add_level(). buf_block_get_zip_size(): New function. buf_block_get_page_zip(): Reintroduce. recv_recover_page(): Replace page, space, page_no with block. ibuf_bitmap_page_init(): Replace page, zip_size with block. ibuf_parse_bitmap_init(): Remove the parameter zip_size. btr_search_drop_page_hash_index(): Replace page with block.
39 lines
1 KiB
Text
39 lines
1 KiB
Text
/**********************************************************************
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File-based utilities
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(c) 1995 Innobase Oy
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Created 12/13/1995 Heikki Tuuri
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***********************************************************************/
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#include "sync0rw.h"
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#include "buf0buf.h"
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/************************************************************************
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Gets a pointer to a file address and latches the page. */
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UNIV_INLINE
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byte*
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fut_get_ptr(
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/*========*/
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/* out: pointer to a byte in a frame; the file
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page in the frame is bufferfixed and latched */
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ulint space, /* in: space id */
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fil_addr_t addr, /* in: file address */
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ulint rw_latch, /* in: RW_S_LATCH, RW_X_LATCH */
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mtr_t* mtr) /* in: mtr handle */
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{
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buf_block_t* block;
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byte* ptr;
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ut_ad(addr.boffset < UNIV_PAGE_SIZE);
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ut_ad((rw_latch == RW_S_LATCH) || (rw_latch == RW_X_LATCH));
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block = buf_page_get(space, addr.page, rw_latch, mtr);
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ptr = buf_block_get_frame(block) + addr.boffset;
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#ifdef UNIV_SYNC_DEBUG
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buf_block_dbg_add_level(block, SYNC_NO_ORDER_CHECK);
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#endif /* UNIV_SYNC_DEBUG */
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return(ptr);
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}
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