Change Details

To make swapon -E work with geli detach-on-last-close, don't open/trim/close until after swapon(2) is invoked.

To make swapon -E work with geli detach-on-last-close, don't close the trimming fd until after swapon(2) is invoked.

To make swapon -E work with geli detach-on-last-close, don't open/trim/closeclose the trimming fd until after swapon(2) is invoked.