mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
53c7aaf332
Remove the main bottleneck - the memset() call mentioned in the bug. Use os_mem_alloc_large() instead of malloc()/memset().
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/******************************************************
|
|
XtraBackup: hot backup tool for InnoDB
|
|
(c) 2009-2013 Percona LLC and/or its affiliates.
|
|
Originally Created 3/3/2009 Yasufumi Kinoshita
|
|
Written by Alexey Kopytov, Aleksandr Kuzminsky, Stewart Smith, Vadim Tkachenko,
|
|
Yasufumi Kinoshita, Ignacio Nin and Baron Schwartz.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; version 2 of the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
|
|
*******************************************************/
|
|
|
|
/* Page write filter interface */
|
|
|
|
#ifndef XB_WRITE_FILT_H
|
|
#define XB_WRITE_FILT_H
|
|
|
|
#include "fil_cur.h"
|
|
#include "datasink.h"
|
|
|
|
/* Incremental page filter context */
|
|
typedef struct {
|
|
ulint delta_buf_size;
|
|
byte *delta_buf;
|
|
ulint npages;
|
|
} xb_wf_incremental_ctxt_t;
|
|
|
|
/* Page filter context used as an opaque structure by callers */
|
|
typedef struct {
|
|
xb_fil_cur_t *cursor;
|
|
union {
|
|
xb_wf_incremental_ctxt_t wf_incremental_ctxt;
|
|
} u;
|
|
} xb_write_filt_ctxt_t;
|
|
|
|
|
|
typedef struct {
|
|
my_bool (*init)(xb_write_filt_ctxt_t *ctxt, char *dst_name,
|
|
xb_fil_cur_t *cursor);
|
|
my_bool (*process)(xb_write_filt_ctxt_t *ctxt, ds_file_t *dstfile);
|
|
my_bool (*finalize)(xb_write_filt_ctxt_t *, ds_file_t *dstfile);
|
|
void (*deinit)(xb_write_filt_ctxt_t *);
|
|
} xb_write_filt_t;
|
|
|
|
extern xb_write_filt_t wf_write_through;
|
|
extern xb_write_filt_t wf_incremental;
|
|
|
|
#endif /* XB_WRITE_FILT_H */
|