diff options
Diffstat (limited to 'storage/maria/ma_pagecache.h')
| -rw-r--r-- | storage/maria/ma_pagecache.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/storage/maria/ma_pagecache.h b/storage/maria/ma_pagecache.h index 1183f9d57e0..30fffbe54d3 100644 --- a/storage/maria/ma_pagecache.h +++ b/storage/maria/ma_pagecache.h @@ -86,9 +86,25 @@ typedef struct st_pagecache_io_hook_args uchar *crypt_buf; /* when using encryption */ } PAGECACHE_IO_HOOK_ARGS; +struct st_pagecache; + +/* Structure to store things from get_object */ + +typedef struct st_S3_BLOCK +{ + uchar *str, *alloc_ptr; + size_t length; +} S3_BLOCK; + + /* file descriptor for Maria */ typedef struct st_pagecache_file { + /* Number of pages in the header which are not read with big blocks */ + size_t head_blocks; + /* size of a big block for S3 or 0 */ + size_t big_block_size; + /* File number */ File file; /** Cannot be NULL */ @@ -99,9 +115,9 @@ typedef struct st_pagecache_file my_bool (*pre_write_hook)(PAGECACHE_IO_HOOK_ARGS *args); void (*post_write_hook)(int error, PAGECACHE_IO_HOOK_ARGS *args); - /** Cannot be NULL */ my_bool (*flush_log_callback)(PAGECACHE_IO_HOOK_ARGS *args); + /** Cannot be NULL */ uchar *callback_data; } PAGECACHE_FILE; @@ -164,6 +180,17 @@ typedef struct st_pagecache /* hash for other file bl.*/ PAGECACHE_BLOCK_LINK **file_blocks; + /** + Function for reading file in big hunks from S3 + Data will be filled with pointer and length to data read + start_page will be contain first page read. + */ + my_bool (*big_block_read)(struct st_pagecache *pagecache, + PAGECACHE_IO_HOOK_ARGS *args, + struct st_pagecache_file *file, S3_BLOCK *data); + void (*big_block_free)(S3_BLOCK *data); + + /* The following variables are and variables used to hold parameters for initializing the key cache. |