New inode allocation

Hi All,

I am bit confused with the use of iget_locked() and new_inode().

I am implementing mknod operations, which function should I use to
allocate a new inode?
Do I need to ensure each inode allocated has state I_NEW?
When should I use new_inode() and when to use iget_locked()?

Please advise?

Thanks and Regards,
Prasad
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