diff options
Diffstat (limited to 'include/my_sys.h')
| -rw-r--r-- | include/my_sys.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/my_sys.h b/include/my_sys.h index d3fdc3657a9..505f3a056a5 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -479,18 +479,19 @@ typedef struct st_io_cache /* Used when caching files */ partial. */ int seek_not_done,error; - /* buffer_length is memory size allocated for buffer or write_buffer */ + /* length of the buffer used for storing un-encrypted data */ size_t buffer_length; /* read_length is the same as buffer_length except when we use async io */ size_t read_length; myf myflags; /* Flags used to my_read/my_write */ /* - alloced_buffer is 1 if the buffer was allocated by init_io_cache() and - 0 if it was supplied by the user. + alloced_buffer is set to the size of the buffer allocated for the IO_CACHE. + Includes the overhead(storing key to ecnrypt and decrypt) for encryption. + Set to 0 if nothing is allocated. Currently READ_NET is the only one that will use a buffer allocated somewhere else */ - my_bool alloced_buffer; + size_t alloced_buffer; #ifdef HAVE_AIOWAIT /* As inidicated by ifdef, this is for async I/O, which is not currently |