[vbox-dev] Implementation of export_operations in vboxsf
grzegorz129 at gmail.com
Sat Feb 3 19:33:05 UTC 2018
Fiddling around I discovered vboxsf shares cannot be exported via NFS and the only workaround is bindfs AFAIK. 8 years ago someone created a ticket (#5295) describing this exact issue, but it didn’t get any love.
I’m a programmer, but I never fiddled around the kernel. From what I found Linux kernel will require defining "s_export_op“ in sf_read_super_aux() with minimum of „fh_to_dentry" implementation in order to enable NFS export. This seem to be a really small requirement, but I don’t really know where to start.
Can you give me some hint or maybe someone more knowledgeable in kernel internals can add s_export_op to superblock definition?
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