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gnop: add the option for adding a suffix to the name of the device

Authored by oshogbo on Nov 10 2019, 11:48 AM.



Thanks to this option we can create more then one gnop provider from
single provider. This may be useful for temporary labeling some data
on the disk.

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Why don't we just have a "name" parameter that determines the entire gnop provider name?

Why don't we just have a "name" parameter that determines the entire gnop provider name?

I like Mark's idea, change the flag to just let you specify the entire name of the resulting provider (the parameter passed to g_new_geomf())

I'm fine with naming nop devices any name as long as there is a nop suffix.
Otherwise somebody may do some weird stuff in /dev/.

158 ↗(On Diff #64512)

Should be "the new provider".

159 ↗(On Diff #64512)

I think it would be clearer to refer to it as a suffix. For example, "The suffix .Dq .nop will be appended to the provider name."

33 ↗(On Diff #64512)

param.h is special and should come first in the include order.

91 ↗(On Diff #64512)

Why not write these as boolean expressions? if (!islower(name[i]) && !isdigit(name[i])) ...

I do not see why upper case characters should be prohibited.

392 ↗(On Diff #64512)

Perhaps include the name in the error message.

oshogbo marked 3 inline comments as done.

Address @markj comments.

33 ↗(On Diff #64512)


91 ↗(On Diff #64512)

style(9) defines so.
I added upper cases.

This revision is now accepted and ready to land.Dec 25 2019, 11:17 AM
This revision was automatically updated to reflect the committed changes.