On Wed, Oct 07, 2009 at 04:49:17PM -0500, Eric Sandeen wrote: > Try calling the BLKDISCARD ioctl at mkfs time to pre-discard all blocks > on an ssd, or a thinly-provisioned storage device. > > No real error checking; if it fails, it fails, and that's ok - it's > just an optimization. Also, it cannot work in conjunction with > the undo io manager, for obvious reasons. > > Optionally disabled with a "-K" (mnemonic: Keep) option. > > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> Added to e2fsprogs's maint branch, thanks. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html