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Forum Topic - UDF "filesystem limitation" documentation: (3 Items)

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Brian Carnes(deleted)

03/21/2018 10:56 AM

post118689

UDF "filesystem limitation" documentation

Filesystem Limitations doc page - for at least QNX7 and QNX6.6 (*)

state that for filesystem UDF, that  Soft/Symbolic Links and Hard Links are not supported.

In fact, when exercising this feature, we find that QNX's UDF implementation does support hard and soft links.  Perhaps 
it was added some time ago, and they forgot to update the docs on it?

Can you update the documentation to either:
(a) reflect this support
(b) confirm that it is not supported, and state under what conditions it is not expected to work correctly.

Regards,

  Brian

(*)
http://www.qnx.com/developers/docs/7.0.0/#com.qnx.doc.neutrino.sys_arch/topic/fsys_Limitations.html
http://www.qnx.com/developers/docs/6.6.0.update/#com.qnx.doc.neutrino.sys_arch/topic/fsys_Limitations.html

Brian Carnes(deleted)

03/22/2018 11:57 AM

post118693

Re: UDF "filesystem limitation" documentation

For context:

This came up because QNX7 dropped support for the fs-cd.so driver.

We could use a loopback mounted ISO9660 w/ RR extensions as a nice readonly filesystem, containing symlinks, etc.

With fs-cd.so disappearing in QNX7, we looked at UDF, and saw that the docs said it didn't support symlinks, but in 
practice they seemed implemented and worked as expected.

Thus, you could augment this request to read:

(a) bring back ISO9960 in QNX7

and/or

(b) Document that QNX's implementation of UDF (read-only, etc.) supports symlinks.

Thanks!

Steve Reid

03/22/2018 12:02 PM

post118695

Re: UDF "filesystem limitation" documentation

I checked with the developers, and fs-udf.so does support links. We'll update the docs.

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