X-Git-Url: http://git.alex.org.uk diff --git a/doc/proto.txt b/doc/proto.txt index bd26657..b5eeb88 100644 --- a/doc/proto.txt +++ b/doc/proto.txt @@ -57,7 +57,7 @@ and indicates the backing file should be fdatasync()'d to disk. The top 16 bits of the request are flags. NBD_CMD_FLAG_FUA implies a force unit access, and can currently only be usefully combined -with NBD_CMD_WRITE. This is implementing using sync_file_range +with NBD_CMD_WRITE. This is implemented using sync_file_range if present, else by fdatasync() of that file (note not all files in a multifile environment). NBD_CMD_FLAG_FUA will not be set unless NBD_FLAG_SEND_FUA is set.