diff options
Diffstat (limited to 'src/include/port/linux.h')
| -rw-r--r-- | src/include/port/linux.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/port/linux.h b/src/include/port/linux.h index 191338c99fd..30e178db554 100644 --- a/src/include/port/linux.h +++ b/src/include/port/linux.h @@ -12,3 +12,13 @@ * to have a kernel version test here. */ #define HAVE_LINUX_EIDRM_BUG + +/* + * Set the default wal_sync_method to fdatasync. With recent Linux versions, + * xlogdefs.h's normal rules will prefer open_datasync, which (a) doesn't + * perform better and (b) causes outright failures on ext4 data=journal + * filesystems, because those don't support O_DIRECT. + */ +#define PLATFORM_DEFAULT_SYNC_METHOD_STR "fdatasync" +#define PLATFORM_DEFAULT_SYNC_METHOD SYNC_METHOD_FDATASYNC +#define PLATFORM_DEFAULT_SYNC_FLAGBIT 0 |