Hi all,
I'm reading the code
of 3.6.9 version and got a question.And I'm not very familiar with the
code,so I have to confirm it(I checked the master branch,it's same with
3.6.9).
The question is about the
'lookup' operation of NFS.And i'm with this code
flow:
nfs3_lookup (nfs3.c)
==> nfs3_fh_resolve_and_resume ==> nfs3_fh_resolve_root
==> nfs3_fh_resolve_resume ==> nfs3_fh_resolve_entry
==> nfs3_fh_resolve_entry_hard.
Now enter
the "nfs_entry_loc_fill" and return with -1 which means the "parent" not
found,so we have to do hard resolve about the parent. After doing a hard
resolve,we get into the callback "nfs3_fh_resolve_inode_lookup_cbk".And the
callback has the following code:
>>>
memcpy (&cs->stbuf, buf, sizeof(*buf));
>>>
memcpy (&cs->postparent, buf,
sizeof(*postparent))
I think we've just done
a parent resolve,how could we assign the parent result into the "stbuf" and
"postparent".The later two should be the information of the child
file/directory.Do i made a misunderstand?
Thanks
advance for your help.
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