On 03/12/2012 07:51 AM, Joey Hess wrote:
Floris Bos / Maxnet wrote:In addition to that, it would also be nice if the "-E discard" option is passed to mkfs.ext4, so that it TRIMs the entire disk partition prior to creating the file system structures.-E discard is the default, according to mkfs.ext4(8)
Not the most clear man page...On the (Ubuntu) version I have on my desktop, it also says nodiscard is the default?!
== discardAttempt to discard blocks at mkfs time (discarding blocks initially is useful on solid state devices and sparse / thin-provisioned storage). When the device advertises that dis‐ card also zeroes data (any subsequent read after the discard and before write returns zero), then mark all not-yet-zeroed inode tables as zeroed. This significantly speeds up
filesystem initialization. This is set as default. nodiscard Do not attempt to discard blocks at mkfs time. This is the default. == -- Yours sincerely, Floris Bos