* mount-2.11e bug ?
@ 2001-07-26 23:31 J . A . Magallon
2001-07-27 9:53 ` Guest section DW
0 siblings, 1 reply; 2+ messages in thread
From: J . A . Magallon @ 2001-07-26 23:31 UTC (permalink / raw)
To: Lista Linux-Kernel
Hello...
Can anybody tell me if there was a bug in mount from util-linux-2.11e that could
do things like this with new kernels:
/etc/fstab:
...
tmpfs /dev/shm tmpfs defaults,size=128M 0 0
...
werewolf:~/soft/util/util-linux-2.11e/mount# df
Filesystem 1k-blocks Used Available Use% Mounted on
/dev/sda1 248895 83086 152959 36% /
/dev/sda2 3099292 2092872 848984 72% /usr
/dev/sda3 4095488 1603796 2283652 42% /home
/dev/sda5 1027768 8 975552 1% /toast
/home/soft/util/util-linux-2.11e/mount/tmpfs
131072 0 131072 0% /dev/shm
2.11h works ok.
TIA.
--
J.A. Magallon # Let the source be with you...
mailto:jamagallon@able.es
Mandrake Linux release 8.1 (Cooker) for i586
Linux werewolf 2.4.7-ac1 #1 SMP Thu Jul 26 19:53:39 CEST 2001 i686
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: mount-2.11e bug ?
2001-07-26 23:31 mount-2.11e bug ? J . A . Magallon
@ 2001-07-27 9:53 ` Guest section DW
0 siblings, 0 replies; 2+ messages in thread
From: Guest section DW @ 2001-07-27 9:53 UTC (permalink / raw)
To: J . A . Magallon, Lista Linux-Kernel
On Fri, Jul 27, 2001 at 01:31:38AM +0200, J . A . Magallon wrote:
> Can anybody tell me if there was a bug in mount from util-linux-2.11e that could
> do things like this with new kernels:
>
> /etc/fstab:
> ...
> tmpfs /dev/shm tmpfs defaults,size=128M 0 0
> ...
>
> werewolf:~/soft/util/util-linux-2.11e/mount# df
> Filesystem 1k-blocks Used Available Use% Mounted on
> /dev/sda1 248895 83086 152959 36% /
> /dev/sda2 3099292 2092872 848984 72% /usr
> /dev/sda3 4095488 1603796 2283652 42% /home
> /dev/sda5 1027768 8 975552 1% /toast
> /home/soft/util/util-linux-2.11e/mount/tmpfs
> 131072 0 131072 0% /dev/shm
>
> 2.11h works ok.
Yes, there was.
Mount does a canonicalize() on the path names of device and mount point.
Thus, tmpfs when your current directory is ~/soft/util/util-linux-2.11e/mount
becomes /home/soft/util/util-linux-2.11e/mount/tmpfs.
However, this only happens when the thus obtained pathname points at an
actual file. In a few mount versions the realpath() routine also did this
when there is no such file.
Andries
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