[Toybox] New toys: swapon and swapoff

[Elie De Brauwer]

Hi all,

In attach you can find initial implementations of swapon and swapoff, 
swapon supports passing the priority, there is however no support for -a.

Toybox only swapping snippet:
edb at lapedb:~/toybox$ dd if=/dev/zero of=swapfile bs=10M count=3
3+0 records in
3+0 records out
31457280 bytes (31 MB) copied, 0.02503 s, 1.3 GB/s
edb at lapedb:~/toybox$ ./toybox mkswap swapfile
Swapspace size: 30716k
edb at lapedb:~/toybox$ sudo ./toybox swapon swapfile
edb at lapedb:~/toybox$ cat /proc/swaps
Filename			Type		Size	Used Priority
/dev/sda2                       partition	9445508	0	-1
/home/edb/toybox/swapfile      file		30716	0	-2
edb at lapedb:~/toybox$ sudo ./toybox swapoff swapfile
edb at lapedb:~/toybox$ cat /proc/swaps
Filename			Type		Size	Used Priority
/dev/sda2                       partition	9445508	0	-1
edb at lapedb:~/toybox$

my 2 cents
E.

-- 
Elie De Brauwer

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