Re: [PATCH 06/16] GFS2: dentry, export, super and vm operations

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>> >+	switch (fh_type) {
>> >+	case 10:
>> >+		parent.no_formal_ino = ((uint64_t)be32_to_cpu(fh[4])) << 32;
>> >+		parent.no_formal_ino |= be32_to_cpu(fh[5]);
>> >+		parent.no_addr = ((uint64_t)be32_to_cpu(fh[6])) << 32;
>> >+		parent.no_addr |= be32_to_cpu(fh[7]);
>> >+		fh_obj.imode = be32_to_cpu(fh[8]);
>> >+	case 4:
>> 
>> What do these constants specify? Would not it be better to have a #define or
>> enum{} for them somewhere?
>
>The sizes of the NFS file handles in units of sizeof(u32). I've added a
>couple of #defines as requested.

A #define/enum is only really useful if more than one place references it.
If this is the only one, just add a comment.

>> >+	if (IS_ERR(inode))
>> >+		return ERR_PTR(PTR_ERR(inode));
>> 
>> Just return inode.
>
>The function returns a dentry, so it would need to be casted and I
>thought that would look "more odd" than this construction.

Yes, it is very odd indeed that you return an inode as a dentry at all. How is
the caller supposed to know whether it was an inode or dentry that was actually
returned?


Jan Engelhardt
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