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buf_page_get_gen(). This saves one mutex operation per block request. buf_page_get_gen(), various macros and functions: Add parameter zip_size. btr_node_ptr_get_child(): Add parameter index. fil_space_get_latch(): Add optional output parameter zip_size. fil_space_get_zip_size(): Return 0 for space id==0, because the system tablespace is never compressed. fsp_header_init(): Remove the parameter zip_size. ibuf_free_excess_pages(): Remove the parameter zip_size. trx_rseg_t, trx_undo_t: Add field zip_size. xdes_lst_get_next(): Remove, unused.
38 lines
911 B
C
38 lines
911 B
C
/**********************************************************************
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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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#ifndef fut0fut_h
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#define fut0fut_h
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#include "univ.i"
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#include "fil0fil.h"
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#include "mtr0mtr.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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ulint zip_size,/* in: compressed page size in bytes
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or 0 for uncompressed pages */
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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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#ifndef UNIV_NONINL
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#include "fut0fut.ic"
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#endif
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#endif
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