list of all subsystems (swap space)

[inventsekar]

Ohk, I did some more search and found this... sharing for newbies like me.

> The kernel source tree...
>
> Even the just the modules directory reflects some of that.
>
> ls /lib64/modules/2.6.27-14-generic/kernel/
> arch  crypto  drivers  fs  lib  net  sound  ubuntu
>
> ls /lib64/modules/2.6.27-14-generic/kernel/drivers/
> acpi  auxdisplay  cdrom    crypto  edac      gpu    i2c         input
> md       mfd   mtd      pci     rtc     spi        uio    virtio
> ata   block       char     dca     firmware  hid    ieee1394    isdn
> media    misc  net      pcmcia  scsi    ssb        usb    w1
> atm   bluetooth   cpufreq  dma     gpio      hwmon  infiniband  leds
> message  mmc   parport  power   serial  telephony  video  watchdog

On Jan 19, 2018 11:34 PM, "inventsekar" <inventsekar at gmail.com> wrote:

>
> Hi All,
>
> 1. so I tried to find out which subsystem the swap space comes under..
> when I googled for list of subsystems Linux architecture, no luck.
> Between, I found out that kernel map (   http://www.makelinux.net/
> kernel_map/ ), which gives me kind of subsystems/modules.
>
> Is there any documentation/links for list of subsystems on Linux?!?!
>
> 2. it looks like swap space itself a separate subsystem/module.
> I thought to subscribe to some lkml dl for swap, but I am not finding any
> DL at all. Please suggest.
>
>
> Best regards
> Sekar
>
>
> On Jan 15, 2018 11:52 PM, "inventsekar" <inventsekar at gmail.com> wrote:
>
> Hi All,
> I have been reading about swap space and got  these questions...
>
> 1. Btrfs was the only one fs which got this below issue or any other fs
> also?
> 2. The other way around - is there any FS which is best suitable (best
> performance) for swap file?
> 2. Is this issue still there or the wiki isn't updated?
>
> *https://wiki.archlinux.org/index.php/swap
> <https://wiki.archlinux.org/index.php/swap>*
> *Warning:* Btrfs <https://wiki.archlinux.org/index.php/Btrfs> does not
> support swap files. Failure to heed this warning may result in file system
> corruption. While a swap file may be used on Btrfs when mounted through a
> loop device, this will result in severely degraded swap performance.
>
> Any suggestions, links, documentations please.
>
> Best regards
> Sekar
>
>
>
>
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