* The 'mount' function different from Linux
@ 2018-08-17 9:41 Edward Diener
2018-08-17 9:46 ` Eric Blake
0 siblings, 1 reply; 2+ messages in thread
From: Edward Diener @ 2018-08-17 9:41 UTC (permalink / raw)
To: cygwin
The 'mount' function in cygwin is decidedly different from Linux. What
is the reason for this ?
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* Re: The 'mount' function different from Linux
2018-08-17 9:41 The 'mount' function different from Linux Edward Diener
@ 2018-08-17 9:46 ` Eric Blake
0 siblings, 0 replies; 2+ messages in thread
From: Eric Blake @ 2018-08-17 9:46 UTC (permalink / raw)
To: cygwin, eldlistmailingz
On 08/16/2018 04:08 PM, Edward Diener wrote:
> The 'mount' function in cygwin is decidedly different from Linux. What
> is the reason for this ?
- POSIX does not specify mount(1) - it is inherently non-portable and
platform specific. So any expectation of similarity between platforms
is bound to break (as you've discovered)
- Cygwin isn't mounting devices into the OS, but creating mappings for
Cygwin to use. On Linux, the mount command is actually manipulating
block devices and the kernel; on Cygwin, everything in the mount command
is in userspace. Windows as the kernel did the actual device
manipulation earlier on. As such, the tool REALLY CANNOT mimic what
Linux does, because it IS NOT doing the same things.
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Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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2018-08-17 9:41 The 'mount' function different from Linux Edward Diener
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