diff options
Diffstat (limited to 'innobase/os/os0file.c')
| -rw-r--r-- | innobase/os/os0file.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/innobase/os/os0file.c b/innobase/os/os0file.c index 34e13b80c58..94908ae9ade 100644 --- a/innobase/os/os0file.c +++ b/innobase/os/os0file.c @@ -690,6 +690,7 @@ os_file_set_size( ulint n_bytes; ibool ret; byte* buf; + byte* buf2; ulint i; ut_a(size == (size & 0xFFFFFFFF)); @@ -697,7 +698,10 @@ os_file_set_size( /* We use a very big 8 MB buffer in writing because Linux may be extremely slow in fsync on 1 MB writes */ - buf = ut_malloc(UNIV_PAGE_SIZE * 512); + buf2 = ut_malloc(UNIV_PAGE_SIZE * 513); + + /* Align the buffer for possible raw i/o */ + buf = ut_align(buf2, UNIV_PAGE_SIZE); /* Write buffer full of zeros */ for (i = 0; i < UNIV_PAGE_SIZE * 512; i++) { @@ -725,7 +729,7 @@ os_file_set_size( offset += n_bytes; } - ut_free(buf); + ut_free(buf2); ret = os_file_flush(file); |