diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/storage/file/fd.c | 9 | ||||
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 2 |
2 files changed, 6 insertions, 5 deletions
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c index fd5ec7805fd..4f7dc39d638 100644 --- a/src/backend/storage/file/fd.c +++ b/src/backend/storage/file/fd.c @@ -260,12 +260,13 @@ static bool looks_like_temp_rel_name(const char *name); int pg_fsync(int fd) { -#ifndef HAVE_FSYNC_WRITETHROUGH_ONLY - if (sync_method != SYNC_METHOD_FSYNC_WRITETHROUGH) - return pg_fsync_no_writethrough(fd); + /* #if is to skip the sync_method test if there's no need for it */ +#if defined(HAVE_FSYNC_WRITETHROUGH) && !defined(FSYNC_WRITETHROUGH_IS_FSYNC) + if (sync_method == SYNC_METHOD_FSYNC_WRITETHROUGH) + return pg_fsync_writethrough(fd); else #endif - return pg_fsync_writethrough(fd); + return pg_fsync_no_writethrough(fd); } diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 80ee04d30a9..f436b834680 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -157,7 +157,7 @@ #wal_sync_method = fsync # the default is the first option # supported by the operating system: # open_datasync - # fdatasync + # fdatasync (default on Linux) # fsync # fsync_writethrough # open_sync |